S/M No.
TABLE OF CONTENTS SAFETY INSTRUCTION 2 SPECIFICATION 5 CIRCUIT BLOCK DIAGRAM 6 ALIGNMENT INSTRUCTIONS 8 1.SERVICE MODE ADJUSTMENTS 8 2.ASSEMBLY ADJUSTMENTS 10 3.VCR DECK ADJUSTMENTS 12 SCHEMATIC DIAGRAM 13 EXPLODED VIEW 15 PRINTED CIRCUIT BOARD 16 SERVICE PARTS LIST 18 APPENDIX ( Appendix is provided only by internet [http://svc.dwe.co.
SAFETY INSTRUCTION CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY. NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFACTURER°ØS APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY VOID THE WARRANTY, BUT MAY LEAD TO YOUR BEING LIABLE FOR ANT RESULTING PROPERTY DAMAGE OR USER INJURY. SERVICE WORK SHOULD BE PERFORMED ONLY AFTER YOU ARE THOROUGHLY FAMILIAR WITH ALL OF THE FOLLOWING SAFETY CHECKS AND SERVICING GUIDELINES.
SAFETY INSTRUCTION CAUTION : Do not attempt to modify this product in any way. Unauthorized modifications will not only void the warranty, but may lead to your being liable for any resulting property damage or user injury. Service work should be performed only after you are thoroughly familiar with all of the following safety checks and servicing guidelines. To do otherwise, increases the risk of potential hazards and injury to the user.
SAFETY INSTRUCTION SUBJECT : IMPLOSION 4. Wall and shelf mounted installations using a commercial mounting kit, must follow the factory approved mounting instructions. A receiver mounted to a shelf or platform must retain its original feet(or the equivalent thickness in spacers) to provide adequate are flow across the bottom, bolts or screws used for fasteners must not touch and parts or wiring. Perform leakage test on customized installations. 5.
SPECIFICATION ITEMS TV SECTION VIDEO SECTION GENERAL MODEL DVQ-10H1FCN(DVQ-9H1FC) STANDARD NTSC-M TUNING SYSTEM Frequency Synthesizer(FS) Tuning System TUNING RANGE VHF : 2 - 13(12) UHF : 14 -69(56) CATV : 1-125(125) ANTENNA INPUT IMPEDENCE 75 ohm Unbalanced AUXILIARY INPUT TERMINAL Front : Video, Audio FORMAT VHS NTSC Standard VCR SYSTEM Rotary 2-Head Helical Scanning Monaural System AUDIO RECORDING SYSTEM Monaural TAPE SPEED SP:33.35mm/sec; EP:11.12mm/sec LP:16.
CIRCUIT BLOCK DIAGRAM -6-
CONNECTION DIAGRAM -7-
ALIGNMENT INSTRUCTIONS 1. SERVICE MODE ADJUSTMENTS Follow the steps below whenever service adjustment is required. See Table-A. and Table-B to determine if service adjustments are required. 1)How to enter the service mode using the user remote control. Turn the set on. Direct the remote control to the reception window of your TV/VCR Push buttons of remote control in sequence as follows. 1 Z MUTE Z RECALL Z MUTE Then, the screen will appear as follows.
ALIGNMENT INSTRUCTIONS Table-B MODE ADJUSTMENT ITEMS DATA INITIAL RANGE - REMARK S2 Screen Adjustment - S5: IF CONTROL AGC Auto - - Automatical adjustment 3.75V - Select AGC reference voltage (3.
ALIGNMENT INSTRUCTIONS 2. ASSEMBLY ADJUSTMENTS 1) SCREEN ADJUSTMENT(S2) Enter the service mode and select service adjustment S2 You can see the horizontal straight line on the screen Adjust the Screen Control volume(located on FBT) so that the horizontal straight line on screen may be disappear. Press the MENU button to exit the screen adjustment mode. 2) FOCUS ADJUSTMENT(S2) Turn in a local station and the Focus Control volume(located on FBT) for best picture details at light condition.
ALIGNMENT INSTRUCTIONS 4-1.HORIZONTAL CENTER Adjustment Select H CENTER item, adjust H CENTER data value to obtain proper horizontal centering of the internal cross pattern at the left and right of the screen. 4-2.VERTICAL CENTER Adjustment Select V CENTER item, adjust V CENTER data value to center the raster properly on the screen. 4-3.VERTICAL SIZE Adjustment Select V SIZE item, adjust V SIZE data value to proper vertical size as figure 1.
ALIGNMENT INSTRUCTIONS 3. VCR DECK ADJUSTMENTS 1) X-DISTANCE & P2,P3 ADJUSTMENT(S10) Connect Path JIG to connector PS04, Playback the test tape (DN-2,7KHz) Connect oscilloscope CH1 to V.SW(PS04 #2),CH2 to PB RF(PS04 #1) and trigger on CH1. Enter the service mode and select service adjustment S10 Use the VOL up( U ) button to set ATK Off CEN. Turn the X-distance screw to maximum of PB-RF. Use the VOL up( U ) button to set ATK Off MIN and MAX. If PB-RF is not smooth, adjust P2,P3.
SCHEMATIC DIAGRAM (POWER & DEF.
SCHEMATIC DIAGRAM(MAIN) -14-
4859808660 UNION PCB 4851941600 4859816191 4859610440 -15- 246 X 246 X 51.6 DRN-9200 MAIN PCB 330 X 246 X t1.
PRINTED CIRCUIT BOARD(MAIN) -16-
PRINTED CIRCUIT BOARD(POWER & DEF.
SERVICE PARTS LIST CAUTION " " is safety component, so it must be used the same component. ✔ In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.
SERVICE PARTS LIST LOC CC120 CC123 CC130 CC131 CC506 CC510 CC513 CC516 CC521 CC524 CC532 CC553 CC601 CCS04 CCS05 CCS08 CCS11 CCS12 CCS16 CCS24 CCS25 CCS29 CCS31 CCS32 CCS34 CCS35 CCS36 CCS37 CCS43 CCS48 CCS49 CCS50 CCS53 CCS54 CCS61 CCS63 CCS64 CCU02 CCU03 CCU08 CCU09 CCU10 CCU11 CCU13 CCU14 CCU15 CCU17 CCU18 CCY02 CCY03 CCY04 CCY05 CCY08 CCY12 PART CODE HCBK103KCA HCBK102KCA HCQK101JCA HCQK101JCA HCFK104ZCA HCFK104ZCA HCQK181JCA HCFK104ZCA HCQK180JCA HCFK104ZCA HCBK102KCA HCQK101JCA HCBK153KCA HCFK104ZCA
SERVICE PARTS LIST LOC RCS03 RCS06 RCS08 RCS09 RCS10 RCS11 RCS12 RCS14 RCS15 RCS16 RCS30 RCS31 RCS32 RCS33 RCS36 RCS37 RCS46 RCS47 RCS48 RCS49 RCS60 RCS61 RCS64 RCS65 RCS66 RCS67 RCS68 RCS71 RCS72 RCS73 RCS74 RCS81 RCS82 RCS84 RCS85 RCS86 RCS87 RCS93 RCS94 RCT09 RCT11 RCT12 RCT13 RCT14 RCT15 RCT17 RCT18 RCT19 RCT20 RCU01 RCU03 RCU05 RCU06 RCU08 PART CODE HRFT102JCA HRFT102JCA HRFT473JCA HRFT393JCA HRFT103JCA HRFT304JCA HRFT304JCA HRFT103JCA HRFT362JCA HRFT472JCA HRFT106JCA HRFT104JCA HRFT105JCA HRFT511JCA
SERVICE PARTS LIST LOC P601 PS04 R116 R117 R604 RS83 ZZ200 C101 C102 C105 C106 C110 C111 C116 C117 C121 C136 C507 C508 C509 C511 C512 C517 C518 C519 C520 C522 C526 C527 C528 C529 C551 C602 C604 CS14 CS17 CS28 CS30 CS39 CS42 CS51 CS52 CS57 CS59 CS70 CT01 CU01 CU04 CU05 CU07 CU16 CU19 CU20 CU21 PART CODE 485923162S 485923182S RS02Z159JS RS02Z159JS RS02Z339JS RS02Z100JS PTMPJRH611 CMXM2A103J CMXM2A333J CEXF1C101A CEXF1H109A CEXF1H478A CEXF1H108A CEXF1H229A CEXF1H100V CEXF1C101A CEXF1H229V CMXL1J224J CMXL1J22
SERVICE PARTS LIST LOC X501 XY01 ZZ200 A001 C112 C137 C501 C502 C503 CS10 CS13 CS18 CS19 CS20 CS21 CS33 CS40 CS41 CU06 CU12 CY22 CY24 CY30 D101 D102 D501 D502 D503 D504 DS01 DS02 DS04 DS07 DT03 DT04 J001 J003 J004 J005 J006 J007 J008 J009 J010 J011 J012 J013 J014 J015 J016 J018 J019 J020 J021 PART CODE 5XEX3R579C 5XEX3R579B PTMPJAH611 4859816191 CBZF1H104Z CBZF1H104Z CBZF1H104Z CBZF1H104Z CBZF1H104Z CCZF1H103Z CCZF1H103Z CZCH1H180J CZCH1H180J CZCH1H240J CZCH1H240J CBZF1H104Z CCZB1H223K CCZB1H223K CBZF1H10
SERVICE PARTS LIST LOC J080 J081 J082 J083 J084 J085 J086 J087 J088 J089 J090 J091 J092 J093 J094 J095 J096 J097 J098 J099 J100 J101 J102 J103 J104 J105 J106 J107 J108 J109 J110 J111 J112 J113 J114 J115 J116 J117 J118 J119 J120 J121 J122 J123 J124 J125 J126 J127 J128 J129 J130 J131 J132 J133 PART CODE 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065GY 85801065G
SERVICE PARTS LIST LOC LY04 LZ01 R106 R107 R110 R112 R113 R114 R115 R504 R505 R506 R507 R508 R511 R518 R532 R544 R601 R602 R603 R605 R607 R608 R609 RA01 RA02 RS01 RS02 RS13 RS17 RS18 RS19 RS20 RS21 RS22 RS23 RS24 RS25 RS26 RS27 RS28 RS29 RS35 RS38 RS39 RS40 RS41 RS42 RS43 RS44 RS45 RS50 RS51 PART CODE 5CPZ560K02 5CPZ560K04 RD-AZ102JRD-AZ102JRD-4Z392JRD-AZ102JRD-AZ102JRD-AZ472JRD-AZ472JRD-4Z121JRD-AZ331JRD-AZ331JRD-AZ331JRD-AZ102JRD-AZ151JRD-AZ123JRD-4Z100JRD-AZ103JRD-AZ622JRD-AZ202JRD-AZ103JRD-2Z331JRD-AZ
SERVICE PARTS LIST LOC C402 C416 C451 C801 C804 C805 D822 D855 F801 I301 00001 0000A 0000B I451 I801 I802 I807 JP801 L801 L850 M381 M381A M681 P901 P902 PA902 PWC1 Q402 00001 0000A 0000B Q801 00001 0000A 0000B 0000C 0000D Q851 00001 0000A 0000B R801 R802 SCT01 T401 T402 T801 T802 ZZ200 C308 C401 C404 C407 C410 PART CODE CMYE2D274J CMYH3C692J CMYL2E475J CL1UC3474M CEYN2D331P CMYH3A472J DRGP30J--DRGP30J--5F1GB4021L PTD2SW7100 1LA78041-4857027100 7174300811 TTF341M--1LTV817C-1LTV817C-1KA7500C-4859101110 5PLF
SERVICE PARTS LIST LOC N002 N003 N004 N005 N006 P402 P403 P803 R302 R305 R306 R307 R401 R402 R403 R404 R407 R414 R417 R453 R807 R820 R836 R841 R905 R906 R907 ZZ200 C301 C302 C303 C304 C305 C309 C310 C405 C409 C412 C413 C415 C452 C802 C803 C809 C811 C812 C820 C822 C825 C826 C827 C828 C830 C831 PART CODE 4857417500 4857417500 4857417500 4857417500 4857417500 485923512S 485923162S 485923522S RS01Z331JRS02Z471JS RS02Z471JS RS01Z129JRS02Z101JS RS02Z150JS RS01Z369JRS01Z229JRS02Z109JS RS01Z562JRS02Z101JS RS01Z22
SERVICE PARTS LIST LOC D453 D801 D802 D803 D804 D805 D806 D807 D808 D809 D810 D820 D821 D823 D824 D825 D827 D853 D854 D856 J001 J002 J003 J004 J005 J006 J007 J008 J009 J010 J011 J012 J013 J014 J015 J016 J017 J018 J019 J020 J021 J022 J023 J024 J025 J026 J027 J028 J029 J030 J031 J032 L401 L802 PART CODE D1N4937G-DLT2A05G-DLT2A05G-DLT2A05G-DLT2A05G-D1N4148--D1N4148--D1N4148--D1N4148--D1N4148--DUZ6R2BM-DRGP15J--D1N4937G-DRGP15J--DUZ9R1BM-DRZ1175V1DUZ15BM--DRGP15J--D1N4937G-DRGP15J--85801065GY 85801065GY 85801
SERVICE PARTS LIST LOC R832 R833 R834 R835 R837 R838 R839 R840 R851 R852 R853 R854 R855 R856 R857 R858 R859 R860 R861 R862 R864 R865 R866 R889 R902 R903 R904 R908 R909 R910 R911 R912 R913 R914 R915 R916 PART CODE RD-AZ472JRN-AZ3600F RD-AZ472JRD-AZ472JRD-AZ103JRN-4Z8202F RN-AZ2402F RN-4Z3001F RD-4Z202JRD-AZ229JRN-AZ4701F RN-AZ2402F RN-4Z8202F RD-AZ752JRD-AZ105JRD-AZ333JRD-AZ303JRD-AZ472JRD-AZ472JRD-AZ151JRD-AZ393JRD-AZ561J85801065GY RC-2Z565KP RD-2Z272JRD-2Z272JRD-2Z272JRD-AZ151JRD-AZ151JRD-AZ151JRD-AZ271J
IC DESCRIPTION Appendix 5 VIDEO ENV CAM D CAM C CAM B CAM A REC SAFETY (L) CAP FG IN AMP GND DRUM FG IN DRUM PG IN AMP REF IN AMP REF OUT CTL (-) CTL (+) CTL AMP OUT P8(7) P8(6) P8(5) CTL- CTL+ AMPC P8(4)/INT2 DEW SENSOR P8 (3)/INT1 P7(5)/AN5 P8(2)/CPFGAMPOUT 4 CPFGIN /CPFGAMPIN DRUM SELECT AMPVSS P7(6)/AN6 P8(1)/DRFG IN 3 DRPG IN /DRPFG IN OPTION AMPVREFIN P7(7)/AN7 AMPVREFOUT P11(0)/AN8 2 P8 (0)/C 1 AMPV CC KEY1 AGC IN CTLAMPOUT 99 98 97 96 95 94 93 92 91 90
IC DESCRIPTION Appendix 1. SYSTEM FEATURE 1) 2) 3) 4) 5) 6) 7) The system for TV/VCR tuning is Frequency Synthesis type. VCR SERVO Controller is interior designed. Closed Caption function is interior designed. V-Chip function is interior designed. On Screen Display function is interior designed.
IC DESCRIPTION Appendix 2. PIN DESCRIPTION Pin Terminal Name Explanation 1 P11(0) KEY 1 IN Power, Ch up/down, Vol up/down 2 P7(7) AGC IN Connect this port to AGC of Tuner. Default voltage :3.75V Variable voltage : 3.25V, 3.5V, 3.75V 3 P7(6) OPTION H(5V) : Parental control M(2.5V) : Child lock L(0V) : None 4 P7(5) DRUM SELECT H(5V) : NTSC 4 head L(0V) : NTSC 2 head 5 P7(4) DEW SENSOR DEW SENSOR OPERATION Port 0V : VCR Operation On 0.
IC DESCRIPTION Pin Appendix Terminal Name 26 P4(7) 27 P4(6) 28 P4(5) REC LED H Light up LED(RED) when recording 29 P4(4) TIMER REC LED H Light up LED(GREEN) when ready to programming record. 30 P4(3) TV ON H When CRT on, set "H". 31 P4(2) VCR ON H Recording when CRT off, set "H" 32 P4(1) RELAY ON H Not used. 33 P4(0) 34 RESET RESET(L) RESET 35 P3(1) Xcin 36 P3(0) Xcout It uses 32.768KHz Crystal.
IC DESCRIPTION Pin Appendix Terminal Name OSD BLANK OUT Explanation Remarks 60 P0(4) 61 P0(3) 62 P0(2) OSD B OUT Blue output terminal of OSD image. 63 P0(1) OSD G OUT Green output terminal of OSD image. 64 P0(0) OSD R OUT Red output terminal of OSD image. 65 P10(7) S DATA IIC data I/O.
IC DESCRIPTION Pin 89 Appendix Terminal Explanation DRUM FG IN Drum Frequency Generator signal input. Feed back Drum rotation speed. 90 DRUM PG IN Drum Pulse Generator signal input. Feed back Drum rotation phase. 91 AMP REF IN Control pulse AMP reference input terminal. 92 AMP REF OUT Control pulse AMP reference output terminal. C AMP filter. 94 CTL- Input control pulse when playing. 95 CTL+ Output control pulse when recording. 96 AMP C AMP condenser.
IC DESCRIPTION Appendix IC501 LA76845 : IC VIDEO PROCESSOR H-SYNC V-SYNC -35-
IC DESCRIPTION Appendix ICY01 LA71076M : IC VCR Y/C & AUDIO PROCESSOR -36-
TROUBLESHOOTING GUIDE Appendix 1. NO POWER 1-1) AC NO POWER Check R802(7W 2.
TROUBLESHOOTING GUIDE 1-2) DC NO POWER -38- Appendix
TROUBLESHOOTING GUIDE Appendix 2. TV PART 2-1) NO PICTURE NG : GO to the figure a Check the waveform of I501 #46 OK : GO to the figure b Check Voltage a 33V 5V Check IF Vcc(5V) U102 TUNER Z101 SAW FILT IF OUT Check Signal Check Reset #5 AFT #6 #10 #65 SDATA #34 VCC #67 SCLK #4 I501 MCLK #71 #35 #36 #38 Check Waveform XS02 Check Signal b Z102 Check CHROMA Vcc(5V) Check HOR. Vcc(5V) #44 C527 #43 #18 #19 Z102 4.
TROUBLESHOOTING GUIDE Appendix 2-2) NO SOUND NG : GO to the figure c Check the waveform of I501 #1 OK : GO to the figure d Check Voltage c 33V 5V Check IF Vcc(5V) U102 TUNER Z101 SAW FILT IF OUT Check Signal Check Reset #5 AFT #6 #8 #10 #65 SDATA #3 #10 #9 I501 #34 VCC #67 SCLK ICS01 TIMER/SYSCON #71 #72 #37 #35 #36 #38 MCLK Check FM filter circuit #12 MDATA #54 #11 #52 #39 Check Signal X S01 Check SIF Signal XS02 Check the X-TAL Check AGC Voltage If SIF no signal,
TROUBLESHOOTING GUIDE Appendix 2-3) CHANNEL DON’T STOP NG : Loss of signal or weak signal Check the input signal conditions.
TROUBLESHOOTING GUIDE Appendix 2-4) NO COLOR Check CVS waveform Check the voltage #44 C527 Chroma/DEF Vcc #43 Check the voltage L502 RGB Vcc(9V) X501 3.
TROUBLESHOOTING GUIDE Appendix 2-5) NO VERTICAL DEFLECTION Check the voltage #43 L502 5V C508 Check the crystal I501 LA76845 #38 #24 V RAMP ALC filter C507 Check the voltage (2.5V) Check vertical output signal Chroma/DEF Vcc X501 3.58MHz From FBT D404 #23 Vertical IC Vcc(26V) R301 #1 Invert RAMP IN #6 I301 LA78041 #5 OUTPUT Check the waveform VERTICAL D.
TROUBLESHOOTING GUIDE Appendix 2-6) NO ON-SCREEN DISPLAY Check the signal (15,734Hz) Check the signal (60Hz) H.SYNC Check data/clock signal V.
TROUBLESHOOTING GUIDE Appendix 2-7) REMOTE CONTROL DOES NOT OPERATE Check the voltage #1 #100 RESET #34 Vcc(5V) #37 KEY 1 KEY 0 RT01 ICS01 TIMER/SYSCON Vcc(5V) #14 #35 #36 #38 IT01 REMOCON PREAMP #39 Check the waveform XS01 32KHz XS02 16MHz Check the crystal -45-
TROUBLESHOOTING GUIDE Appendix 3.
TROUBLESHOOTING GUIDE Appendix 3-2) NO ROTATING DRUM : GO to the figure h Check the Rotating CAPSTAN : GO to the figure i Check the voltage h Vcc(12V) #58 RESET #34 Vcc(5V) #37 Vcc(5V) #98 Vcc(5V) #99 #77 ICS01 TIMER/SYSCON #90 #89 #35 #1 #59 #36 #38 D-PWM #2 D-PG Pulse PS01 DRUM CONNECTOR #3 & #4 D-FG Pulse #6 #39 Check D-PG/FG waveform XCS01 32KHz XS02 16MHz If PG/FG no signal, then change the DRUM.
TROUBLESHOOTING GUIDE Appendix 3-3) NO PICTURE PLAYBACK NG : GO to the figure j Check the waveform of ICY01 #27 OK : GO to the figure k j CTL(-) #94 Check CTL(+) Control pulse Check the crystal #97 #95 #39 Check the voltage RESET XS02 #34 16MHz #38 Vcc(5V) #37 Vcc(5V) #98 Vcc(5V) #99 ICS01 TIMER/ SYSCON #35 XS01 32KHz #36 Check the crystal #20#18 #15 #16 #70 #6 Check CTL signal REC H Check the waveform (1Vp-p) VH SW Pulse C-ROT pulse Check the waveform (30Hz) #11 #13 #14 #1
TROUBLESHOOTING GUIDE Appendix k Check the crystal #3 9 Check the voltage XS02 #34 RESET 16MHz #3 8 #3 7 Vcc(5V) Vcc(5V) #9 8 Vcc(5V) #9 9 ICS01 TIMER/ SYSCON Check the crystal #3 5 XS01 32KHz #3 6 #71 #7 2 #2 0 #18 #15 #1 6 #70 #5 6 Check CTL signal Check MCL/MDA signal REC H MDATA VH SW Pulse MCLK C-ROT Pulse HA SW Pulse Check the waveform PB L #12 #1 1 #1 1 #1 3 #14 #15 #1 6 Y Vcc CCD Vcc C Vcc HA Vcc Check the voltage (5V) #2 1 Caption CVS #54 ICY01 VCR Y/C #56/5 7 LA7107
TROUBLESHOOTING GUIDE Appendix 3-4) NO COLOR PLAYBACK Check the voltage Check the crystal #3 9 XS02 #34 RESET 16MHz #3 8 Vcc(5V) #3 7 Vcc(5V) #9 8 Vcc(5V) #9 9 Check the crystal ICS01 TIMER/ SYSCON #3 5 XS01 32KHz #3 6 #7 1 #7 2 #2 0 #18 #15 #1 6 #70 #5 6 Check MCL/MDA signal REC H MDATA VH SW Pulse MCLK C-ROT Pulse Check CTL signal VH SW Pulse PB L Check the waveform #1 2 #1 1 #1 1 #1 3 #1 4 #1 5 #16 Y Vcc CCD Vcc C Vcc HA Vcc #21 #5 4 #56/57 ICY01 VCR Y/C LA71076AM Caption
TROUBLESHOOTING GUIDE Appendix 3-5) NO SOUND PLAYBACK Check the waveform (30Hz) CTL(+) CTL HEAD m CTL(-) Check the crystal #94 #95 #39 Check the voltage RESET #34 XS02 16MHz #38 Vcc(5V) #37 Vcc(5V) #98 Vcc(5V) #99 ICS01 TIMER/ SYSCON #35 XS01 #36 32KHz Check the crystal #65 #67 #15 #18 #20 Check SCL/SDA signal REC H HA SW Pulse PB L VH SW Pulse Check waveform(30Hz) C-ROT Pulse Y Vcc #21 CCD Vcc #54 C Vcc #16 #17 #97 #99 #19 2HEAD DRUM ICY01 VCR Y/C LA71076AM #56/57 #85 #8
TROUBLESHOOTING GUIDE Appendix 3-6) NO RECORD PICTURE NG : GO to the figure 2-1 (TV PART) Check the waveform of ICY01 #40 OK : GO to the figure m Check the waveform (30Hz) CTL(+) CTL HEAD m CTL(-) Check the crystal #94 #95 #39 XS02 Check the voltage RESET #34 #38 Vcc(5V) #37 Vcc(5V) #98 Vcc(5V) #99 ICS01 TIMER/ SYSCON 16MHz #35 XS01 #36 32KHz Check the crystal #65 #67 #15 #18 #20 Check SCL/SDA signal REC H HA SW Pulse PB L Check waveform(30Hz) VH SW Pulse C-ROT Pulse #16 #17 #97
TROUBLESHOOTING GUIDE Appendix 3-7) NO RECORD SOUND NG : GO to the figure 2-2 (TV PART) Check the waveform of ICY01 #74 OK : GO to the figure n n Check the crystal #39 Check the voltage XS02 #34 RESET 16MHz #38 Vcc(5V) #37 Vcc(5V) #98 Vcc(5V) #99 Check the crystal ICS01 TIMER/ SYSCON #35 XS01 32KHz #36 #20 #70 #26 Check SCL/SDA signal REC H Check the voltage PB L A.
TROUBLESHOOTING GUIDE Appendix 3-8) NO EXTERNAL VIDEO / AUDIO Check the crystal #3 9 Check the voltage XS02 #3 4 RESET 16MHz #38 Vcc(5V) #37 Vcc(5V) #9 8 Vcc(5V) #9 9 Check the crystal ICS01 TIMER/ SYSCON #3 5 XS01 32KHz #36 #7 5 #7 1 #72 Check MCL/MDA signal INPUT SELCT MDATA Check CTL signal MCLK TV:H, EXT:L #5 5 HA Vcc #8 7 #1 2 #11 ICY01 VCR Y/C LA71076AM #4 2 #76 #3 5 #9 6 CVS OUT AUDIO OUT Check the voltage (5V) #4 2 I501 CHROMA LA76845 #2 Check the voltage (5V)
