website:http://biz.LGservice.com e-mail:http://www.LGEservice.com/techsup.html COLOR TV SERVICE MANUAL CHASSIS : MC-036A MODEL:RT-32FZ30RB CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CONTENTS CONTENTS................................................................................................2 SAFETY PRECAUTIONS ..........................................................................3 SERVICING PRECAUTIONS.....................................................................4 DESCRIPTION OF CONTROLS................................................................6 SPECIFICATION ........................................................................................
SAFETY PRECAUTIONS IMPORTANT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as recommended in this manual to prevent X-RADIATION, Shock, Fire, or other Hazards. Do not modify the original design without permission of manufacturer.
SERVICING PRECAUTIONS CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS on page 3 of this publication. NOTE: If unforeseen circumstances create conflict between the following servicing precautions and any of the safety precautions on page 3 of this publication, always follow the safety precautions. Remember: Safety First. General Servicing Precautions 1.
c. Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil, and hold it there only until the solder flows onto and around both the component lead and the foil. CAUTION: Work quickly to avoid overheating the circuit board printed foil. d. Closely inspect the solder area and remove any excess or splashed solder with a small wire-bristle brush.
DESCRIPTION OF CONTROLS All the functions can be controlled with the remote control handset. Some functions can also be adjusted with the buttons on the front panel of the set. Remote control handset Before you use the remote control handset, please install the batteries. See the next page. POWER MUTE 11 1. POWER switches the set on from standby or off to standby. 1 1 2 3 4 5 6 7 8 9 ARC 0 TV/AV PICTURE MENU 2. NUMBER BUTTONS switches the set on from standby or directly select a number.
15. LIST displays the programme table. 16. EYE/ (option) switches the eye function on or off. * 17. SLEEP sets the sleep timer. 18. Q.VIEW returns to the previously viewed programme. selects a favourite programme. POWER MUTE 11 1 19. PIP BUTTONS (option) PIP 2 switches the sub picture on or off. PR +/selects a programme for the sub picture. SWAP 3 alternates between main and sub picture. INPUT 4 selects the input mode for the sub picture. SIZE adjusts the sub picture size.
Front panel RT-29FB91 series 1 2 3 5 4 6 RT-28/32FZ30 series 7 S-VIDEO ON/OFF VOL 3 4 PR VIDEO MENU OK L/MONO AUDIO R 8 1 25 6 RT-29FA34 series AV3 MENU OK VOL PR ON/OFF Side panel 23 1 RT-32FZ60 series 4 5 7 2 3 1 1. MAIN POWER (ON/OFF) switches the set on or off. 6 8 4 5 5. REMOTE CONTROL SENSOR 2. POWER/STANDBY INDICATOR illuminates brightly when the set is in standby mode. dims when the set is switched on. 6.
SPECIFICATION NOTE : Specifications and others are subject to change without notice for improvement. F Scope This specification can be applied to all the television related to MC-036A Chassis. F Test Condition F Test and Inspection Method 1) performance:Follow the Standard of LG TV test 2) Standards of Etc requirement Compliance Safety: IEC60065 EMC: EN55020,EN55013 1) Temperature :20±5°C 2) Relative Humidity:65±10% 3) Use the parts only designated in B.O.M.,PARTS SPEC.,or drawings.
F Feature and Function No Item Specification Remark Option 1 Teletext TOP, FLOF, LIST 8page 2 Remocon NEC code 3 AV input 3 Side or, Front: 1, Rear: 2 4 Component input 480I Option(RT- MODEL) 5 PERI TV connector Full SCART:1 AV1 6 RGB input 1 AV1 7 2 Carrier stereo BG,DK 8 NICAM stereo BG,I 9 2 Carrier Dual BG,DK 10 NICAM Dual BG,I 11 SSC(Split Screen) mode X 12 Multi picture display mode(1,2,12 PIP) PAL. BG.
ADJUSTMENT INSTRUCTION (3) Self-adjustment: Adjust by input of Green raster signal Manual-adjustment: Receive the signal of red raster. (RF: PG50Ch or A/V input: RED pattern) (4) Loosen fixed screw of DY and closely to CPT funnel part. (5) Check the center of screen that purity magnet of CPT by crossing adjustment. At this time, 4 & 6 pole magnet is located to magnet of nothing.
5-2. Preliminary steps (1) Tune the TV set to receive an 100% white pattern. (2) This adjustment should be performed after screen voltage adjustment. g.Repeat adjusting until the color coordinate of High and Low Light is satisfied. h.Check the color coordinate of adjusted condition with white balance meter. 5-3. Adjustment (1) Press the CH D ,E key to select adjustment item. (2) Press the VOL F ,G key to change data. (3) Adjustment preliminary steps. a.
6.Deflection & POP position setting data adjustment. 6.1 Adjustment preparation (1) Deflection setting data adjustment is operate by SVC communicator. (2) Enter the adjustment mode by pressing SVC key. (3) Enter the deflection mode by pressing ADJUST key. (4) Use the CH D ,E key to select adjustment item. (5) Use the VOL F ,G key to increase/decrease data. (6) Tune the TV set to receive PAL-B/G Digital pattern. bottom ,right-bottom of screen to the best straight line. (15) OSD P (OSD POSITION) adjustment.
SERVICE 3 standard DATA Item IBRM WDRM CGAIN WGAIN MWDR BCLTH BCLTC BCLGA BCLC SVDEL SVD SVG VBSO TML PHILIPS 32”FLAT 413 128 50 50 496 85 400 113 200 7 4 30 23 14 S/S 29” FLAT 413 128 50 50 496 140 400 230 200 5 4 30 23 15 Screen OSD FONT status and adjustment in H-Shift ARC SVC adjustment. S/S 28” FLAT 413 128 50 50 496 135 400 200 200 5 4 20 23 14 No.
Table 2. OPTION 2 Function 7. OPTION Adjustment Option Code 7-1. Preparation for Adjustment ACMS 1) This option adjustment decides function in accordance with model. Press the SVC TX adjustment button(IN-START button) at SVC mode,then adjust the option at OPTION 1,2,3,4 mode. 2) Mark the option adjustment data like [111,11,111,11] in BOM.
Table 4.
TROUBLE SHOOTING - 17 -
- 18 -
- 19 -
- 20 -
BLOCK DIAGRAM 1.
2.
MEMO - 23 -
EXPLODED VIEW 943 400 913 170 510 150 112 503 550 560 122 590 520 501 580 300 121 120 310 122 330 320 600 315 - 24 -
EXPLODED VIEW PARTS LIST No. PART NO. 112 2440GE489AS WVT SET, W76QDD259X V8N7ND 120 6400VA0025B SPEAKER,FULLRANGE C163P02K1450 8OHM 15/20W 85DB OTHERS 57X160X52.
REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO Q164 0TR733009AA KSA733C-Y TP TO-92 Q165 0TR945009AA KSC945C-Y TP TO92 50V 150MA Q166 0TR733009AA KSA733C-Y TP TO-92 Q167 0TR733009AA KSA733C-Y TP TO-92 IC DESCRIPTION D850 0ISK100300A SLA1003 SIP12 BK IC002 0IAL241610B AT24C16A-10PI-2.7 8PIN DIP ST IC003 0IPH743200A 74HC32D 14SOP TP QUAD 2-INPUT OR GATE Q168 0TR945009AA KSC945C-Y TP TO92 50V 150MA IC012 0IFA754207A KA75420ZTA(KA7542ZTA) 3P,TO-92 TP 4.
For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows; LOCA. NO PART NO DESCRIPTION LOCA. NO DIODE PART NO CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible DESCRIPTION C012 0CQ1041N509 0.
For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows; CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic LOCA. NO PART NO C135 0CE107DD618 C136 0CE107DD618 C137 RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible DESCRIPTION LOCA. NO PART NO 100UF STD 10V M FL TP5 C331 0CQ1021N519 0.
For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows; LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible DESCRIPTION C601 0CE107DF618 100UF STD 16V M FL TP5 C803 181-091G DEHR33D471KN3A 470PF 2KV 10% C601 0CE475DK618 4.7UF STD 50V 20% FL TP 5 C806 181-014Y MPP 1.6KV 0.
For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows; CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible LOCA. NO PART NO DESCRIPTION LOCA. NO C990 0CN1020K519 1000PF D 50V 10% B(Y5P) TA52 R102 0RD0822F609 82 OHM 1/6 W 5.00% TA52 C991 0CN1020K519 1000PF D 50V 10% B(Y5P) TA52 R103 0RS1801H609 1.8K OHM 1/2 W 5.
For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows; LOCA. NO PART NO DESCRIPTION R165 0RD1801F609 1.8K OHM 1/6 W 5.00% TA52 R166 0RD4701F609 4.7K OHM 1/6 W 5% TA52 R167 0RD4701F609 R168 CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible LOCA. NO PART NO R2990 0RD0222F609 22 OHM 1/6 W 5.00% TA52 R311 0RD1002F609 10K OHM 1/6 W 5% TA52 4.
For Capacitor & Resistors, the charactors at 2nd and 3rd digit in the P/No. means as follows; LOCA. NO PART NO CC, CX, CK, CN : Ceramic CQ : Polyestor CE : Electrolytic RD : Carbon Film RS : Metal Oxide Film RN : Metal Film RF : Fusible DESCRIPTION LOCA.
LOCA. NO PART NO DESCRIPTION LOCA. NO L601 125-022K FERRITE AXIAL 62MM 1UH NY 3.5X6.0MM T1101 150-F06R SQE3535 20MH PHY TURN T811 150-F06T SQE3535 20MH PHY TURN X001 156-A01L RESONATOR,CRYSTAL HC49U 6.000MHZ X01 156-A01L RESONATOR,CRYSTAL HC49U 6.000MHZ X101 6202VDB007B RESONATOR,CRYSTAL HC49U 20.250MHZ X501 6202VDB007A RESONATOR,CRYSTAL HC49U 5.000MHZ X601 156-A02M RESONATOR,CRYSTAL HC49U 18.
P/NO : 3828VD0151D Dec.
