SERVICE MANUAL EMX68S EMX88S • OPTION RK-88 RACK MOUNT KIT This document is printed on chlorine free (ECF) paper with soy ink. PA CONTENTS SPECIFICATIONS .............................................................................. 3 PANEL LAYOUT .................................................................................. 7 CIRCUIT BOARD LAYOUT & WIRING .......................................................................................................... 10 DIMENSIONS .......................
EMX68S / EMX88S IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated.
EMX68S / EMX88S SPECIFICATIONS ● General specifications Maximum output power MAIN L, R: 400 W+400 W/4Ω @0.5% THD at 1 kHz, 270 W+270 W/8Ω @0.5% THD at 1 kHz MAIN BRIDGE: 800 W/8Ω @0.5% THD at 1 kHz Frequency response 20 Hz–20 kHz +1 dB, –3 dB @1 W output into 8Ω (SPEAKERS OUT) 20 Hz–20 kHz +1 dB, –3 dB @+4 dB output into 10 kΩ (MAIN OUT, MONITOR OUT, EFFECT OUT) Total harmonic distortion Less than 0.5% @20 Hz–20 kHz, 200 W output into 4Ω (SPEAKERS OUT) Less than 0.
EMX68S / EMX88S ● Input specificaitons Input level Input connectors Actual load PAD impedance CH INPUT (Low-Z) (CH1–4/1–6) OFF CH INPUT (Hi-Z) (CH1–2/1–4) OFF CH INPUT (Super Hi-Z) (CH3–4/5–6) OFF Nominal impedance Sensitivity*1 Max. before clipping Nominal level 50–600Ω Mics –62 dB (0.616 mV) –50 dB (2.45 mV) 3 kΩ ON –20 dB (77.5 mV) XLR-3-31 600Ω Lines –32 dB (19.5 mV) –20 dB (77.5 mV) +10 dB (2.45 V) type*2 50–600Ω Mics –52 dB (1.95 mV) –40 dB (7.
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EMX68S / EMX88S PANEL LAYOUT ● CONTROL PANEL 1.
EMX68S / EMX88S • MAIN 햽 햽 Graphic Equalizer 햾 EFFECT RTN control 햿 AUX IN control 헀 2TR IN control 헁 MASTER control 헂 Peak Level Indicator 헂 헁 햾 햿 • MONITOR 헀 헃 21 헄 헃 Graphic Equalizer 헄 EFFECT RTN control 헅 2TR IN control 헆 MASTER control 21 Peak Level Indicator 헆 헅 • PHANTOM switch, indicator 22 PHANTOM ON/OFF switch 23 LIMITER indicator Power Amp select switch 22 • POWER AMP 24 23 24 • YAMAHA SPEAKER PROCESSING 25 ON/OFF switch 25 8
EMX68S / EMX88S • STAND-BY • POWER switch, indicator 26 27 ON/OFF switch POWER ON/OFF switch, indicator 26 27 2.
EMX68S / EMX88S CIRCUIT BOARD LAYOUT & WIRING PWR 1/4 PWR 2/4 PWR 3/4 Power Transformer PWR 4/4 MIX88 DSP CN105 15P CN101 MIX68 PWR 1/4 CN106 1 DC Fan 2P Location 1 2 3 4 6P 3 AC INLET CN104 PWR 2/4 3P PWR 3/4 Power Transformer 4 3P CN107 15P CN903 10 27P 2 CN101 MIX68 27P CN901 MIX88 PWR 4/4 POWER ON/OFF DSP Connector Assembly MIX68/88-PWR1/4 MIX68/88-DSP PWR1/4-PWR2/4 PWR3/4-PWR4/4 Remarks Parts No. 24185&2426 15P L=700 V842620 100mm P=1.
EMX68S / EMX88S DIMENSIONS ● Side View 305mm ● Front View 481.5mm ● Front View with Rack Mount Adaptor 327.6mm 62mm 448.
EMX68S / EMX88S BLOCK & LEVEL DIAGRAM A MIX68 MIX88 EMX-68S/88S: SW906 Low-Z CH INPUT EMX-68S [CH1,2] EMX-88S [CH1-4] 1 EMX-68S:IC101 EMX-88S:IC101,301 2 5 5 7 3 2 Hi-Z EMX-68S:IC103 EMX-88S:IC103,303 EMX-68S/88S: IC102 6 7 EMX-68S/88S: IC920 3 4 2 6 1 1 Low-Z CH INPUT EMX-68S [CH3,4] EMX-88S [CH5,6] EMX-68S/88S: IC502 1 2 EMX-68S/88S: IC503 5 5 7 5 7 3 2 Super Hi-Z EMX-68S/88S: IC504 6 5 EMX-68S/88S: IC921 1 EMX-68S/88S:IC704 6 5 CH INPUT EMX-68S [CH5,6] EMX-88S [CH7,8
EMX68S / EMX88S A EMX-68S/88S:IC911 8 1,2,3,4,7 EMX-68S/88S:IC912 8 EMX-68S/88S: IC920 2 6 1 EMX-68S/88S: IC903 1,2,3,4,7 EMX-68S/88S:IC914 2 5 7 PWR 2/4 EMX-68S/88S:IC905,906 6 7 7 3 4 MX-68S/88S: C920 SPEAKERS MAIN L 1 PWR 1/4 1 2 EMX-68S/88S: IC921 2 6 1 EMX-68S/88S: IC903 3 4 2 1 A 1 3 7 MAIN R 1 W101RE1 EMX-68S/88S:IC917,918 EMX-68S/88S:IC907,908 MX-68S/88S: C921 PA EMX-68S/88S:IC914 EMX-68S/88S:IC915 3 5 1 7 EMX-68S/88S:IC915 W101RE2 + CN101-15PIN CN903-15
EMX68S / EMX88S DISASSEMBLY PROCEDURE 1. 1-1. 1-2. 1-3. Front Panel Assembly (Time required: about 3 min) Remove the seven (7) screws marked [80] and the screw marked [90]. (Fig.1) Hold volume knobs and pull the front panel forward. (Fig.1) Remove the screw marked [100]. The front panel assembly can then be removed. (Fig.1) Body Assembly Front Panel Assembly [80] [90] [100] (Fig. 1) [80] [80]: Bind Head Screw 4.0X12 MFZN2BL (VB132700) [90]: Bind Head Screw 4.
EMX68S / EMX88S 3. 3-1. 3-2. 3-3. 3-4. 3-5. MIX68 Circuit Board (EMX68S) (Time required: about 18 min) MIX88 Circuit Board (EMX88S) (Time required: about 20 min) Remove the front panel assembly. (See Procedure 1) Remove the cable from the cord binder marked [250]. (Fig.2) Remove the shield case. (See Procedure 2-2) Pull out the connector assembly from CN101 on the DSP-SPX1 circuit board. (Fig.4) Remove the six (6) screws marked [240] to remove the shield plate. (Fig.3) Pull Top View [240] DSP (Fig.
EMX68S / EMX88S EMX68S [50] [40] [90] [40] EMX88S [60] [40] [70] [90] [40] [50] [40] [40] [70] [70] [60] [60] [80] [80] [90] [90] [41] [A] [41] [A] [41] [40] [90] [60] [70] [90] [40] [40] [A] [40] [41] [A] (Fig. 5) [40]: Screw X25 MFZNBL (V3289800) [41]: Bonding Tapping Screw-B 3.
EMX68S / EMX88S 5. 5-1. 5-2. 5-3. Rear Panel Assembly (Time required: about 5 min) Remove the front panel assembly. (See Procedure 1) Remove the eight (8) screws marked [60] and the two (2) screws marked [44]. (Fig.8) Hold the cord holder and pull the rear panel forward to remove. (Fig.9) [60] [130] [C] [150b] [140] [44] [60] [150a] [44] (Fig. 9) (Fig. 8) [44]: Bind Head Tapping Screw-B 4.0X8 MFZN2BL (EG340190) [60]: Bind Head Screw 4.0X12 MFZN2BL (VB132700) [130]: Bind Head Screw 4.
EMX68S / EMX88S 8. 8-1. 8-2. 8-3. 8-4. 8-5. PWR Circuit Board 1/4 (Time required: about 13 min) Remove the rear panel assembly. (See Procedure 5) Remove the PWR circuit board 2/4. (See Procedure 6) Remove the PWR circuit board 3/4. (See Procedure 7) Remove the sixteen (16) screws marked [90] to remove the TR holder A and the TR holder B. (Fig.11) Remove the six (6) screws marked [40]. The PWR circuit board 1/4 can then be removed. (Fig.
EMX68S / EMX88S 11. Front Frame (Time required: about 6 min) 11-1. Remove the front panel assembly. (See Procedure 1) 11-2. Remove the four (4) screws marked [50] to remove the handle assembly. (Fig.15) 11-3. Remove the ten (10) screws marked [40]. The front frame can then be removed. (Fig.16) Assemb Body Assembly Handle [50] [50] (Fig. 15) [50]: Bind Head Screw 4.0X16 MFZN2BL (EG340110) Body Assembly [40] [40] [40] [40] (Fig. 16) [40]: Bind Head Tapping Screw-P 4.
EMX68S / EMX88S LSI PIN DESCRIPTION ● M30622MCA-XXXFP (X2416A00) CPU PIN NO.
EMX68S / EMX88S ● YSS910-S (XV988A00) DSP6 (Digital Signal Processor) PIN NO.
EMX68S / EMX88S ● AK4522VF-E2 (XW008A00) CODEC (CMOS A/D & D/A Converter) PIN NO. 1 NAME I/O VREFH I 2 3 4 5 6 7 8 9 10 11 12 AINR+ AINRAINL+ AINLVA AGND DIF0 DIF1 LRCK SCLK SDTI I I I I I I I I I PIN FUNCTION NAME I/O NO. Positive voltage reference input , VA 13 SDTO O Used as a positive voltage reference by 14 SMUTE I ADC & DAC, VREFH is conne externally to filtered VA.
EMX68S / EMX88S CIRCUIT BOARDS CONTENTS MIX68 CIRCUIT BOARD (COMPONENT SIDE) ................................................................................................. 24 MIX68 CIRCUIT BOARD (PATTERN SIDE) ........................................................................................................ 26 MIX88 CIRCUIT BOARD (COMPONENT SIDE) ................................................................................................. 28 MIX88 CIRCUIT BOARD (PATTERN SIDE) .................
EMX68S / EMX88S ● MIX68 Circuit Board A HIGH HIGH HIGH HIGH HIGH MID MID MID MID LOW LOW MONITOR MONITOR LOW LOW MONITOR MONITOR HIGH MID MID LOW LOW MONITOR MONITOR PROGR EFFECT EFFECT EFFECT EFFECT EFFECT EFFECT PARAMETE BAL/PAN BAL/PAN PAN PAN PAN PAN ON LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL TAP Hi-Z Low-Z 24 Hi-Z Low-Z PAD PAD PAD PAD Super Hi-Z Low-Z Super Hi-Z Low-Z MIC LINE L LINE L LINE R LINE R MIC A'
EMX68S / EMX88S A PHAMTOM ON / OFF MONITOR GRAPHIC EQUALIZER EFFECT RTN OR MASTER 2TR IN PROGRAM MAIN GRAPHIC EQUALIZER +6 +3 0 -5 -10 PARAMETER N POWER AMP MODE YAMAHA SPEAKER PROCESSING ON EL EFFECT RTN AUX IN 2TR IN TAP MASTER STAND BY POWER EFFECT OUT to PWR1/4-CN101 EFFECT ON/OFF AUX IN L TAP 2TR IN L REC OUT L 2TR IN R REC OUT R to DSP-CN101 MAIN L MAIN R MONITOR AUX IN R Component side A’ 3NA-V826680 1 25
EMX68S / EMX88S ● 26 MIX68 Circuit Board A A’
EMX68S / EMX88S A Pattern side A' 27
EMX68S / EMX88S ● MIX88 Circuit Board HIGH HIGH HIGH HIGH MID MID MID MID LOW LOW LOW LOW MONITOR MONITOR MONITOR EFFECT EFFECT EFFECT EFFECT PAN PAN PAN PAN LEVEL LEVEL LEVEL LEVEL PAD PAD PAD HIGH HIGH MID MONITOR PAD 28 A Hi-Z Hi-Z Hi-Z Hi-Z Low-Z Low-Z Low-Z Low-Z LOW MONITOR EFFECT PAN LEVEL MID LOW MONITOR EFFECT PAN LEVEL PAD HIGH HIGH MID MID LOW LOW MON MONITOR EFFECT EFFECT BAL/P BAL/PAN LEVEL LEVEL PAD LINE L LINE L Supe
EMX68S / EMX88S A HIGH MONITOR GRAPHIC EQUALIZER MID PHAMTOM ON / OFF LOW EFFECT RTN MONITOR MASTER 2TR IN PROGRAM MAIN GRAPHIC EQUALIZER EFFECT POWER AMP MODE +6 +3 0 -5 -10 PARAMETER BAL/PAN YAMAHA SPEAKER PROCESSING ON LEVEL EFFECT RTN AUX IN 2TR IN TAP MASTER STAND BY POWER EFFECT OUT LINE L to PWR1/4-CN101 to DSP-CN101 LINE R EFFECT ON/OFF AUX IN L 2TR IN L REC OUT L MAIN L 2TR IN R REC OUT R TAP AUX IN R MAIN R MONITOR MIC Component side 3NA-V826670 1 A’ 29
EMX68S / EMX88S ● 30 MIX88 Circuit Board A A’
EMX68S / EMX88S A Pattern side A' 31
EMX68S / EMX88S ● DSP Circuit Board non connect to MIX88-CN901 to MIX68-CN901 Component side 32
EMX68S / EMX88S ● DSP Circuit Board Pattern side 3NA-V826720 33
EMX68S / EMX88S ● PWR 1/4 Circuit Board A to MIX-CN903 to PWR1/4-W103OR1 to PWR2/4-W101RE2 to PWR2/4-W101BE2 to PWR A’ 34
EMX68S / EMX88S A to PWR1/4-W103OR2 to PWR2/4-W101BL2 to FAN Assembly to Power Transformer to PWR2/4-W101WH2 Component side A’ 3NA-V826900 1 35
EMX68S / EMX88S ● PWR 2/4 Circuit Board SPEAKERS A 2 1 B (L+R) BRIDGE to PWR 1/4-W101RE1 to PWR 1/4-W101BE1 to PWR 1/4-W101BL1 to PWR 1/4-W101WH1 ● 2 1 PWR 3/4 Circuit Board Component side ● PWR 4/4 Circuit Board ON / OFF AC IN to PWR 3/4-W102YE/W102BR to PWR 4/4-CN107 to Power Transformer Component side Component side PWR2/4: 3NA-V826900 1 PWR3/4: 3NA-V826900 1 PWR4/4: 3NA-V826900 1 36
EMX68S / EMX88S INSPECTIONS 0. PREPARATION (1) Mesuring instruments • Oscillator (Ballance output type, Output impedance 150Ω) • Oscilloscope (Input impedance 100kΩ) • Level meter (Input impedance 100kΩ) • Distortion Meter (2) Notes for mesuring • Noise level must be mesured by using DIN AUDIO FILTER. • 0dB is equal to 0.775V. 1. Power Indicator and Fan Check Confirm that the power indicator LED lights up while the power is ON. Besides, confirm that the fan is rotating at low speed. 2. 2.
EMX68S / EMX88S MONITOR GRAPHIC EQUALIZER (7 band) fader: CENTER EFFECT RTN level control: 2TR IN: MAX MAX MASTER level control: MAX PHANTOM switch: POWER AMP switch: OFF MAIN (L-R) YAMAHA SPEAKER PROCESSING switch: OFF STAND-BY switch: OFF 2.2 Gain Check On condition of 2.1, confirm that the output level of each terminal meets the table 2.2-1~2.2-4. Table 2.
EMX68S / EMX88S 2.4 EQ Response Characteristic Check On condition of 2.1, set the LOW, MID, HIGH controls according to the table 2.4-1, and mesure the output level of MAIN OUTPUT. Then confirm that output level variations from center click position meet the table 2.4-1. When output level does not meet the table, change the input frequency until the output level meets the table. If the frequency variation is within ±20% of the rated value, the rusult can be regarded as OK. Table 2.4-1 EQ 2.
EMX68S / EMX88S 2.9 EIN Check Note: This mesurement should be performed by using DIN AUDIO FILTER. On condition of 2.1, set the LEVEL knob for mesuring channel to maximum, set the PAN or BAL/PAN knob to the left limit and set the LEVEL knob for other channels to minimum. Connect the 150Ω load between the Low-Z and the MIC of input channel, and confirm that the noise level of MAIN OUT is less than -58dB. However, less than -56dB as for CH3, 4 (EMX68S) / CH5, 6 (EMX88S).
EMX68S / EMX88S 3. Power Amplifier Check 3.1 For the case that the POWER AMP switch is 'MAIN(L+R)-MON' or 'MAIN L-MAIN R' 3.1.1 Preparation • INPUT terminal: CH 7 LINE L(EMX88S) / CH 5 LINE L(EMX68S) • POWER AMP switch: MAIN L-MAIN R • OUTPUT terminal: SPEAKERS A1, SPEAKERS B1 • Load Resistance: 4Ω (more than 400W) Except otherwise indicated, the load resistance should be connected only for the power amplifier check. • Set the LEVEL control of CH1-4, 6 (EMX68S) and CH1-6, 8 (EMX88S) to minimum.
EMX68S / EMX88S 3.1.8 Stability Check (1) Connect 10pF~0.47µF capacitor in parallel to the 4Ω load resistance and apply rectangule signal of 10kHz/-26dBs. Then, confirm that overshoot and ringing are as follows. Overshoot: Vp/Vo <= 1.8 Ringing: within 5 waves (2) Connect 10µH~0.47H inductor in series to the 4Ω load resistance and apply rectangule signal of 10kHz/-26dBs. Then, confirm that overshoot and ringing meet the same condition as (1). (3) Remove the 4Ω load resistance and connect only 10pF~0.
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EMX68S / EMX88S OVERALL CIRCUIT DIAGRAM CONTENTS MIX68 Circuit Board 1/5 ...................................................................................................................................... P1 MIX68 Circuit Board 2/5 ...................................................................................................................................... P2 MIX68 Circuit Board 3/5 ..................................................................................................................
1 2 3 4 5 6 7 8 9 10 11
EMX68S / EMX88S EMX68S / EMX88S CIRCUIT DIAGRAM 1/12 (MIX68 1/5) A B MIX68 OP AMP OP AMP OP AMP C OP AMP OP AMP D OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP E OP AMP F G (to P.3 E-3) (to P.3 E-3) (to P.3 E-3) (to P.3 E-3) (From P.5 D-7) (From P.5 E-7) (From P.1 2 3 4 5 6 7 8 9 10 11
EMX68S / EMX88S EMX68S / EMX88S CIRCUIT DIAGRAM 2/12 (MIX68 2/5) A (From P.5 D-7) OP AMP OP AMP OP AMP B OP AMP C OP AMP OP AMP OP AMP D OP AMP OP AMP OP AMP (to P.3 E-3) OP AMP (to P.3 E-3) E (to P.3 E-3) OP AMP F OP AMP OP AMP (to P.3 E-3) OP AMP (From P.5 E-7) (From P.1 2 3 4 5 6 7 8 9 10 11
EMX68S / EMX88S EMX68S / EMX88S CIRCUIT DIAGRAM 3/12 (MIX68 3/5) A OP AMP B (From P.5 C-8) (From P.5 C-8) C to DSP-CN101 (From P.1 G-5) (From P.2 D-9) (From P.1 G-4) (From P.2 D-9) (From P.1 G-4) (From P.2 E-9) (From P.1 G-4) (From P.2 F-9) D OP AMP OP AMP E (From P.5 C-7) (to P.4 B-3) (to P.4 B-3) F (From P.5 C-6) (to P.4 F-3) (to P.4 G-3) G (From P.5 E-7) (From P.1 2 3 4 5 6 7 8 9 10 11
EMX68S / EMX88S EMX68S / EMX88S CIRCUIT DIAGRAM 4/12 (MIX68 4/5) A OP AMP B (From P.3 E-11) (From P.3 F-11) (From P.5 C-7) LED DRIVER OP AMP (From P.5 C-7) C OP AMP LED DRIVER (to P.5 D-2) D (to P.5 E-2) E (From P.5 C-7) (From P.5 C-6) OP AMP (From P.3 F-11) LED DRIVER OP AMP F OP AMP G (From P.5 E-7) OP AMP (From P.5 E-7) OP AMP 38CC1-8822114-5 1 (From P.1 2 3 4 5 6 7 8 9 10 11
EMX68S / EMX88S EMX68S / EMX88S CIRCUIT DIAGRAM 5/12 (MIX68 5/5) A B (to P.3 E-1) (to P.4 B-9) (to P.4 C-9) (to P.4 E-9) OP AMP (to P.4 E-10) (to P.3 F-1) C (to P.3 C-11) (to P.3 C-11) OP AMP to PWR1/4-CN101 (From P.4 D-8) D (to P.1 G-4) (to P.2 B-3) (From P.4 D-8) E OP AMP (From P.1 G-2) (From P.2 F-10) (From P.3 G-11) (From P.4 G-5) (to P.1 G-3) (to P.2 F-10) (to P.3 G-11) (to P.1 2 3 4 5 6 7 8 9 10 11
EMX68S / EMX88S EMX68S / EMX88S CIRCUIT DIAGRAM 6/12 (MIX88 1/5) A MIX88 B (From P.7 B-2) OP AMP OP AMP C OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP D OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP E OP AMP OP AMP OP AMP OP AMP OP AMP OP AMP F (to P.8 E-3) (to P.8 E-3) (to P.8 E-3) (From P.10 D-7) (From P.10 E-7) (From P.10 E-7) (to P.1 2 3 4 5 6 7 8 9 10 11
EMX68S / EMX88S EMX68S / EMX88S CIRCUIT DIAGRAM 7/12 (MIX88 2/5) A (to P.6 B-6) OP AMP OP AMP B OP AMP OP AMP C OP AMP OP AMP OP AMP D OP AMP OP AMP (to P.8 E-3) OP AMP OP AMP (to P.8 E-3) E (to P.8 E-3) OP AMP (to P.8 E-3) OP AMP OP AMP F OP AMP (From P.10 E-7) (From P.1 2 3 4 5 6 7 8 9 10 11
EMX68S / EMX88S EMX68S / EMX88S CIRCUIT DIAGRAM 8/12 (MIX88 3/5) A OP AMP B (From P.10 C-8) (From P.10 C-8) C to DSP-CN101 (From P.6 G-5) (From P.7 D-9) (From P.6 G-5) (From P.7 E-9) (From P.6 G-5) (From P.7 E-9) (From P.6 G-5) (From P.7 F-9) D OP AMP OP AMP E (From P.10 C-7) (to P.9 B-3) (to P.9 B-3) F (From P.10 C-6) (to P.9 F-3) (to P.9 G-3) G OP AMP (From P.10 E-7) (From P.1 2 3 4 5 6 7 8 9 10 11
EMX68S / EMX88S EMX68S / EMX88S CIRCUIT DIAGRAM 9/12 (MIX88 4/5) A OP AMP (From P.8 E-11) (From P.8 F-11) (From P.10 C-7) B OP AMP LED DRIVER (From P.10 C-7) OP AMP C LED DRIVER (to P.10 D-2) D OP AMP (to P.10 E-2) OP AMP (From P.10 C-7) E (From P.10 C-6) OP AMP (From P.8 F-11) LED DRIVER OP AMP F OP AMP 38CC1-8822113-5 1 From P.10 E-6 OP AMP From P.10 E-6 G OP AMP (From P.1 2 3 4 5 6 7 8 9 10 11
EMX68S / EMX88S EMX68S / EMX88S CIRCUIT DIAGRAM 10/12 (MIX88 5/5) A B (to P.8 E-1) (to P.9 B-8) (to P.9 C-8) (to P.9 E-8) OP AMP (to P.8 F-1) (to P.9 E-9) C (to P.8 C-8) OP AMP (to P.8 B-8) to PWR1/4-CN101 (From P.9 D-9) D (to P.6 G-4) E OP AMP (From P.9 D-9) (to P.6 G-3) (to P.7 F-9) (to P.8 G-11) (to P.9 G-5) (to P.6 G-4) (to P.7 F-9) (to P.8 G-11) (to P.1 2 3 4 5 6 7 8 9 10 11
EMX68S / EMX88S EMX68S / EMX88S CIRCUIT DIAGRAM 11/12 (DSP) DSP A SYSTEM RESET REGULATOR +3.3V EEPROM 2K B CPU to MIX68-CN901 to MIX88-CN901 Non Connect C DIR AND D AND INVERTER DRAM 4M OP AMP A/D&D/A OP AMP E DSP OP AMP F G DRAM 4M 38CC1-8822163-2 uPC29M33T-E1(XU965A00) REGULATOR +3.1 2 3 4 5 6 7 8 9 10 11
EMX68S / EMX88S PARTS LIST RACK MOUNT KIT RK-88 CONTENTS OVERALL ASSEMBLY ...................................................................................................... 2 FRONT PANEL ASSEMBLY .............................................................................................. 4 REAR PANEL ASSEMBLY ................................................................................................ 6 ELECTRICAL PARTS ..............................................................................
■ OVERALL ASSEMBLY 40 60 43 10 41 42 80 50 100 70 90 B130 B50 B30 B40 B40 B10 B40 B70 110 B120 B90 B60 B20 44 2 44 B80 B110
EMX68S / EMX88S PART NO.
EMX68S / EMX88S ■ FRONT PANEL ASSEMBLY EMX-68S 50 90 60 EMX-88S 70 90 50 70 70 60 60 80 80 90 90 90 60 70 90 250 260 240 270 230 280 20 160 130 10 170 40 190 140 180 41 30 220 100 200 210 4 120 110
EMX68S / EMX88S PART NO.
■ REAR PANEL ASSEMBLY 110 130 100 10 90 120 60 80 20 30a 260 50 40 170 160 30b 140 30c 240 250 30d 70 180 240 150 6 260
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * 10 10 10 10 10 10 10 10 20 30a 30a 30b 30c 30c 30c 30d 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 240 250 260 PART NO.
EMX68S / EMX88S ELECTRICAL PARTS REF NO. * * * * * * * * * * * C101 C102 C103 C104 -108 C109 C110 C111 C113 C114 C116 C117 C119 C120 C121 -126 C127 C128 -131 C136 C137 C138 C139 C140 -143 C144 C145 C146 C147 C148 C149 C150 C151 C152 C153 C154 C155 C156 C157 C158 C159 -161 C162 -164 C165 C166 C167 -169 C170 C171 -174 C175 C176 -185 C187 C188 PART NO.
EMX68S / EMX88S REF NO. * * * * * C189 C190 -192 C194 -200 C202 C203 CN101 CN104 EM101 -105 IC101 IC102 IC103 IC104 IC105 -107 IC108 IC109 IC110 IC111 IC112 IC113 IC114 L101 -107 L110 -140 Q101 Q102 Q103 Q104 Q105 Q106 R101 R102 R107 R108 R109 R111 R112 -120 R125 -130 R133 R134 R135 R136 R137 R141 R142 R143 R144 R145 R146 R147 R148 R149 R150 R151 R152 R153 -156 R157 -160 R161 R162 R163 -166 R167 PART NO.
EMX68S / EMX88S REF NO. * * * * -169 R170 R171 R172 R173 R174 R175 R176 R178 R179 -181 R182 R183 R186 R187 -189 R190 R191 R192 R193 R194 R195 R196 R201 -234 R236 R237 X101 X102 X103 * * C101 C102 C103 C104 C105 -107 C108 C109 C110 -112 C113 C114 C115 C116 C117 C118 C119 C120 C121 C122 C123 C124 C125 C126 -131 C132 C201 C202 C203 C204 C205 -207 PART NO.
EMX68S / EMX88S REF NO. * * * C208 C209 C210 -212 C213 C214 C215 C216 C217 C218 C219 C220 C221 C222 C223 C224 C225 C501 C502 C503 C504 C505 C506 C507 C508 C509 C510 C511 C512 C513 -516 C517 C518 C519 C520 C521 C522 C523 C524 C525 C526 C527 C528 C529 C530 C531 C532 -541 C601 C602 C603 C604 C605 C606 C607 C608 C609 C610 C611 C612 C613 -616 C617 C618 C619 C620 C621 C622 C623 C624 PART NO.
EMX68S / EMX88S REF NO. * * C625 C626 C627 C628 C629 C630 C631 C701 C702 C703 C704 C705 -707 C708 C709 C710 -712 C713 C714 C715 C716 C717 C718 C719 C720 C721 C722 C723 C724 C725 C726 C727 C728 C729 C730 C731 C732 C733 C734 C735 C736 C737 C738 C739 C740 C741 C742 C743 C744 -751 C752 C801 C802 C803 C804 C805 -807 C808 C809 C810 -812 C813 C814 C815 C816 C817 C818 C819 C820 C821 PART NO.
EMX68S / EMX88S REF NO. * * * * * C822 C823 C824 C825 C826 C827 C828 C829 C830 C831 C832 C833 C834 C835 C836 C837 C838 C839 C840 C841 C842 C843 C844 -849 C901 C902 C903 -906 C907 -909 C910 -912 C913 -915 C916 -918 C919 -923 C924 -927 C928 C929 C930 C931 C932 C933 C934 C935 -940 C941 C942 C943 C944 C945 C946 C947 C948 C949 C950 C951 C952 C953 C954 C955 C956 C957 C958 C959 C960 C961 PART NO.
EMX68S / EMX88S REF NO. C962 C963 C964 C965 C966 C967 C968 C969 C970 C971 C972 C973 C974 C975 C976 C977 C978 C979 C980 C981 C982 C983 -985 C986 C987 -989 C990 C991 -994 C995 C996 C997 C998 C999 CA01 CA02 CA03 CA04 CA05 CA06 CA07 CA08 CA09 CA10 CA11 CA12 CA13 CA14 CA15 CA16 CA17 CA18 CA19 CA20 CA21 CA22 CA23 CA24 CA25 CA26 CA27 CA28 -A33 CA34 CA35 CA36 CA37 CA38 CA39 CA40 PART NO.
EMX68S / EMX88S REF NO. * * * * CA41 CA42 CA43 CA44 CA45 CA46 CA47 CA48 CA49 CA50 CA51 -A58 CB01 CB02 CB03 CB04 CB05 CB06 CB07 CB08 CB09 CB10 CB11 CB12 CB13 CB14 CB15 CB16 CB17 CB18 CB19 CB20 CB21 -B26 CN901 CN903 D501 D502 D601 D602 D901 -904 EM901 EM902 EN901 IC101 IC102 IC103 IC501 IC502 IC503 IC504 IC505 IC701 IC702 IC703 IC704 IC801 IC802 IC803 IC901 -904 IC905 -910 IC911 -913 IC914 -917 IC918 IC919 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * * * * * * * * * Q912 Q913 Q914 Q915 Q916 Q917 Q918 Q919 Q920 Q921 Q922 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 R122 R123 R124 R125 R126 R127 R128 R129 R130 R131 R132 R133 R134 R135 R136 R137 R138 R139 R140 R141 R142 R143 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * R217 R218 R219 R220 R221 R222 R223 R224 R225 R226 R227 R228 R229 R230 R231 R232 R233 R234 R235 R236 R237 R238 R239 R240 R241 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R518 R519 R520 R521 R522 R523 R524 R525 R526 R527 R528 R529 R530 R531 R532 R533 R534 R535 R536 R537 R538 R539 R540 R541 R542 R543 R544 R545 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * * R546 R547 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R614 R615 R616 R617 R618 R619 R620 R621 R622 R623 R624 R625 R626 R627 R628 R629 R630 R631 R632 R633 R634 R635 R636 R637 R638 R639 R640 R641 R642 R643 R644 R645 R646 R647 R701 R702 R703 R704 R705 R706 R707 R708 R709 R710 R711 R712 R713 R714 R715 R716 R717 R718 R719 -722 R723 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * R724 R725 R726 R727 -729 R730 R731 R732 R733 R734 R735 -737 R738 R739 R740 R741 R742 R743 R744 R745 R746 R747 R748 R749 R750 R751 R752 R753 R754 R755 R756 R757 R758 R759 R760 R761 -764 R765 R766 R801 R802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R812 R813 R814 R815 R816 R817 R818 R819 -822 R823 R824 R825 R826 R827 -829 R830 R831 R832 R833 R834 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * * * * * R835 -837 R838 R839 R840 R841 R842 R843 R844 R845 R846 R847 R848 R849 R850 R851 R852 R853 R854 R855 R856 R857 R858 R859 R860 R861 -864 R901 R902 R903 R904 R905 R906 R907 R908 R909 R910 R911 R912 -915 R916 R917 R918 R919 R920 R921 R922 R923 R924 R925 R926 R927 R928 R929 -931 R932 R933 R934 R935 -937 R938 R941 R942 R943 R944 R945 R946 R947 -950 R951 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * R952 R953 -955 R956 -976 R977 -999 RA01 RA02 -A04 RA05 -A07 RA08 RA09 RA10 RA11 RA12 -A14 RA15 RA16 RA17 RA18 RA19 -A21 RA22 RA23 RA24 RA25 RA26 -A28 RA29 RA30 RA31 RA32 RA33 RA34 RA35 RA36 RA37 RA38 RA39 RA40 RA41 RA42 RA43 RA44 RA45 RA46 RA47 RA48 RA49 RA50 RA51 RA52 RA53 RA54 RA55 RA56 RA57 RA58 RA59 RA60 RA61 RA62 RA63 RA64 RA65 RA66 RA67 RA68 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * * * * * * * * RA69 RA70 RA71 RA72 RA73 RA74 RA75 RA76 RA77 RA78 RA79 RA80 RA81 RA82 RA83 RA84 RB01 RB02 RB03 RB04 RB05 RB06 RB07 RB08 RB09 RB10 RB11 RB12 RB13 RB14 RB15 RB16 RB17 RB18 RB19 RB20 RB21 RB22 RB23 RB24 RB25 RB26 RB27 RB28 RB29 RB30 RB31 RB32 RB33 RB34 RB35 RB36 RB37 RB38 RB39 RB40 RB41 RB42 RB43 RB44 RB45 RB46 RB48 RJ01 -J06 SW101 SW201 SW501 SW601 SW901 PART NO.
EMX68S / EMX88S * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * REF NO. PART NO.
EMX68S / EMX88S REF NO. * * * C101 C102 C103 C104 C105 -107 C108 C109 C110 -112 C113 C114 C115 C116 C117 C118 C119 C120 C121 C122 C123 C124 C125 C126 -131 C132 C201 C202 C203 C204 C205 -207 C208 C209 C210 -212 C213 C214 C215 C216 C217 C218 C219 C220 C221 C222 C223 C224 C225 C301 C302 C303 C304 C305 -307 C308 C309 C310 -312 C313 C314 C315 C316 PART NO. DESCRIPTION V8266700 V4467500 --VV307300 VZ968600 Circuit Board Button Jumper Wire Jumper Wire LED Spacer Button MIX88 CD-GRAY/WHITE 0.60 TP 0.
EMX68S / EMX88S REF NO. * * * C317 C318 C319 C320 C321 C322 C323 C324 C325 C326 -331 C401 C402 C403 C404 C405 -407 C408 C409 C410 -412 C413 C414 C415 C416 C417 C418 C419 C420 C421 C422 C423 C424 C425 C501 C502 C503 C504 C505 C506 C507 C508 C509 C510 C511 C512 C513 -516 C517 C518 C519 C520 C521 C522 C523 C524 C525 C526 C527 C528 C529 C530 C531 C532 -541 C542 C601 C602 C603 C604 PART NO.
EMX68S / EMX88S REF NO. * * * C605 C606 C607 C608 C609 C610 C611 C612 C613 -616 C617 C618 C619 C620 C621 C622 C623 C624 C625 C626 C627 C628 C629 C630 C631 C701 C702 C703 C704 C705 -707 C708 C709 C710 -712 C713 C714 C715 C716 C717 C718 C719 C720 C721 C722 C723 C724 C725 C726 C727 C728 C729 C730 C731 C732 C733 C734 C735 C736 C737 C738 C739 C740 C741 C742 C743 C744 -751 C801 C802 PART NO.
EMX68S / EMX88S REF NO. * * * * * C803 C804 C805 -807 C808 C809 C810 -812 C813 C814 C815 C816 C817 C818 C819 C820 C821 C822 C823 C824 C825 C826 C827 C828 C829 C830 C831 C832 C833 C834 C835 C836 C837 C838 C839 C840 C841 C842 C843 C844 -849 C901 C902 C903 -906 C907 -909 C910 -912 C913 -915 C916 -918 C919 -923 C924 -927 C928 C929 C930 C931 C932 C933 C934 C935 -940 C941 C942 C943 C944 PART NO.
EMX68S / EMX88S REF NO. C945 C946 C947 C948 C949 C950 C951 C952 C953 C954 C955 C956 C957 C958 C959 C960 C961 C962 C963 C964 C965 C966 C967 C968 C969 C970 C971 C972 C973 C974 C975 C976 C977 C978 C979 C980 C981 C982 C983 -985 C986 C987 -989 C990 C991 -994 C995 C996 C997 C998 C999 CA01 CA02 CA03 CA04 CA05 CA06 CA07 CA08 CA09 CA10 CA11 CA12 CA13 CA14 CA15 CA16 CA17 CA18 CA19 PART NO.
EMX68S / EMX88S REF NO. * * CA20 CA21 CA22 CA23 CA24 CA25 CA26 CA27 CA28 -A33 CA34 CA35 CA36 CA37 CA38 CA39 CA40 CA41 CA42 CA43 CA44 CA45 CA46 CA47 CA48 CA49 CA50 CA51 -A58 CB01 CB02 CB03 CB04 CB05 CB06 CB07 CB08 CB09 CB10 CB11 CB12 CB13 CB14 CB15 CB16 CB17 CB18 CB19 CB20 CB21 -B26 CN901 CN903 D501 D502 D601 D602 D901 -904 EM901 EM902 EN901 IC101 IC102 IC103 IC301 IC302 IC303 IC501 IC502 PART NO.
EMX68S / EMX88S PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * LD921 LD922 LD923 Q101 Q102 Q201 Q202 Q301 Q302 Q401 Q402 Q501 Q502 Q601 Q602 Q701 Q702 Q801 Q802 Q901 Q902 Q903 -906 Q907 Q908 Q909 Q910 Q911 Q912 Q913 Q914 Q915 Q916 Q917 Q918 Q919 Q920 Q921 Q922 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 R122 R123 R124 R125 R126 R127 R128 R129 R130 R131 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * * * * * * R132 R133 R134 R135 R136 R137 R138 R139 R140 R141 R142 R143 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 R222 R223 R224 R225 R226 R227 R228 R229 R230 R231 R232 R233 R234 R235 R236 R237 R238 R239 R240 R241 R301 R302 R303 R304 R305 R306 R307 R308 R309 R310 R311 R312 R313 R314 R315 R316 R317 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * R318 R319 R320 R321 R322 R323 R324 R325 R326 R327 R328 R329 R330 R331 R332 R333 R334 R335 R336 R337 R338 R339 R340 R341 R401 R402 R403 R404 R405 R406 R407 R408 R409 R410 R411 R412 R413 R414 R415 R416 R417 R418 R419 R420 R421 R422 R423 R424 R425 R426 R427 R428 R429 R430 R431 R432 R433 R434 R435 R436 R437 R438 R439 R440 R441 R501 R502 R503 R504 R505 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R516 R517 R518 R519 R520 R521 R522 R523 R524 R525 R526 R527 R528 R529 R530 R531 R532 R533 R534 R535 R536 R537 R538 R539 R540 R541 R542 R543 R544 R545 R546 R547 R548 R549 R601 R602 R603 R604 R605 R606 R607 R608 R609 R610 R611 R612 R613 R614 R615 R616 R617 R618 R619 R620 R621 R622 R623 R624 R625 R626 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * R627 R628 R629 R630 R631 R632 R633 R634 R635 R636 R637 R638 R639 R640 R641 R642 R643 R644 R645 R646 R647 R701 R702 R703 R704 R705 R706 R707 R708 R709 R710 R711 R712 R713 R714 R715 R716 R717 R718 R719 -722 R723 R724 R725 R726 R727 -729 R730 R731 R732 R733 R734 R735 -737 R738 R739 R740 R741 R742 R743 R744 R745 R746 R747 R748 R749 R750 R751 R752 R753 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * R754 R755 R756 R757 R758 R759 R760 R761 -764 R801 R802 R803 R804 R805 R806 R807 R808 R809 R810 R811 R812 R813 R814 R815 R816 R817 R818 R819 -822 R823 R824 R825 R826 R827 -829 R830 R831 R832 R833 R834 R835 -837 R838 R839 R840 R841 R842 R843 R844 R845 R846 R847 R848 R849 R850 R851 R852 R853 R854 R855 R856 R857 R858 R859 R860 R861 -864 R901 R902 R903 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * * * * * * * * * R904 R905 R906 R907 R908 R909 R910 R911 R912 -915 R916 R917 R918 R919 R920 R921 R922 R923 R924 R925 R926 R927 R928 R929 -931 R932 R933 R934 R935 -937 R938 R941 R942 R943 R944 R945 R946 R947 -950 R951 R952 R953 -955 R956 -976 R977 -999 RA01 RA02 -A04 RA05 -A07 RA08 RA09 RA10 RA11 RA12 -A14 RA15 RA16 RA17 RA18 RA19 -A21 RA22 RA23 RA24 RA25 RA26 -A28 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * * * * RA29 RA30 RA31 RA32 RA33 RA34 RA35 RA36 RA37 RA38 RA39 RA40 RA41 RA42 RA43 RA44 RA45 RA46 RA47 RA48 RA49 RA50 RA51 RA52 RA53 RA54 RA55 RA56 RA57 RA58 RA59 RA60 RA61 RA62 RA63 RA64 RA65 RA66 RA67 RA68 RA69 RA70 RA71 RA72 RA73 RA74 RA75 RA76 RA77 RA78 RA79 RA80 RA81 RA82 RA83 RA84 RB01 RB02 RB03 RB04 RB05 RB06 RB07 RB08 RB09 RB10 RB11 RB12 RB13 RB14 PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * PART NO.
EMX68S / EMX88S REF NO. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * VR402 VR403 VR404 VR405 VR406 VR407 VR501 VR502 VR503 VR504 VR505 VR506 VR507 VR601 VR602 VR603 VR604 VR605 VR606 VR607 VR701 VR702 VR703 VR704 VR705 VR706 VR707 VR801 VR802 VR803 VR804 VR805 VR806 VR807 VR901 VR902 VR903 VR904 VR905 VR906 VR907 VR908 VR909 VR910 VR911 VR912 VR913 VR914 VR915 VR916 VR917 VR918 VR919 VR920 VR921 VR923 PART NO.
EMX68S / EMX88S REF NO. * * -104 C105 C106 C107 C108 C109 C110 C111 C112 C113 C114 C115 C116 C117 C118 C119 C120 C121 C122 C123 C124 C125 C126 C127 C128 C129 C130 C131 C132 C133 C134 C135 C136 C137 C138 C139 C140 C141 -144 C145 C146 C147 C148 C149 C150 C151 -153 C154 C155 C156 C157 C158 C159 C160 C161 C162 C163 C164 C165 C166 C167 C168 C169 C170 C171 C172 C173 CN101 CN102 CN104 PART NO.
EMX68S / EMX88S REF NO. * * * * * CN105 CN106 CN107 D101 -108 D109 D110 D111 D112 D113 D114 -117 D118 D119 D120 D121 D122 -125 D126 D127 D128 D129 D130 D131 D132 D133 D134 D135 -138 D139 D140 -143 D144 D145 D146 D147 D148 -150 D151 D152 D153 D154 D155 D156 D157 E101 E102 F101 F101 F101 F102 F102 F103 F103 IC101 IC102 IC103 J101 -104 J107 JK101 JK102 JK103 JK104 JK105 L101 L102 L103 L104 L105 PART NO.
EMX68S / EMX88S REF NO. L106 PR101 PR102 Q101 Q102 Q103 Q104 Q105 Q106 Q107 -109 Q110 Q111 Q112 Q113 Q114 Q115 Q116 Q117 Q118 Q119 Q120 Q121 Q122 Q123 Q124 Q125 Q126 Q127 -129 Q130 Q131 Q132 Q133 Q134 Q135 Q136 Q137 Q201N Q201P Q202N Q202P Q203N Q203P Q204N Q204P Q205N Q205P Q206N Q206P Q207N Q207P Q208N Q208P Q209N Q209P Q210N Q210P Q211N Q211P Q212N Q212P Q213N Q213P R101 R102 R103 R104 R105 R106 PART NO.
EMX68S / EMX88S REF NO. R107 R108 R109 R110 R111 R112 R113 R114 R115 R116 R117 R118 R119 R120 R121 -124 R125 R126 R127 -130 R131 R132 R133 R134 R135 R136 R137 R138 R139 -142 R143 R144 R145 R146 R147 R148 R149 R150 R151 R152 R153 R154 R155 R156 R157 R158 R159 R160 R161 -164 R165 R166 R167 R168 R169 R170 R171 R172 R173 R174 R175 R176 R177 R178 R179 R180 R181 R182 R183 R184 PART NO.
EMX68S / EMX88S REF NO. * * * * * R185 R186 R187 R188 R189 R190 R191 R192 R193 R194 R195 R196 R197 R198 R199 R200 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R219 R220 R221 R222 -225 R226 -231 R232 R233 RY101 RY102 SW101 W101 W101a W102 W103 PART NO. REMARKS Flame Proof C. Resistor Flame Proof C. Resistor Carbon Resistor Flame Proof C. Resistor Flame Proof C. Resistor Wire Wound Resistor Wire Wound Resistor Flame Proof C. Resistor Flame Proof C.
EMX68S / EMX88S ■ RK-88 RACK MOUNT KIT 20 10 REF NO. 10 20 PART NO. DESCRIPTION RACK MOUNT KIT VB132700 Bind Head Screw Rack Angle -- *: New Parts REMARKS QTY RANK RK-88 4.