62
TROUBLESHOOTING
1) Input Part
A. Front Input
Is there video input
signal at pin 1,11,14 of I600 ?
Pin1: Check C311, C727,R727,D714
(Front C Input)
NO
Pin11: Check C612, R736,D713
(Front Y Input)
NO
Pin14 :Check C613,
C614,C615,R734,
R735,D711 (Front CVBS Input)
YES
Is there video input
signal at pin
16,10,20 of ICV01 ?
Pin16:Check RV03,
RV06,PV02,P605 (C Input)
NO
In case of no
EE Screen
YES
Is there output
signal at pin54~62 of ICV01?
Check XV02 & the Power of ICV01
YES
NO
Pin10,20:Check RV04
RV05,PV02,PV06
(Y&CVBS Input)
Check I600
YES
NO
Check I600
NO
YES
NO
NO
Go to the Output Part
3. VIDEO CIRCUIT
Summary of Contents for DQR-1000D
Page 9: ...8 BLOCK DIAGRAM ...
Page 10: ...9 BLOCK DIAGRAM SYSTEM BLOCK DIAGRAM ...
Page 11: ...10 BLOCK DIAGRAM SYSTEM BLOCK DIAGRAM ...
Page 12: ...11 BLOCK DIAGRAM VIDEO BLOCK DIAGRAM ...
Page 13: ...12 BLOCK DIAGRAM AUDIO BLOCK DIAGRAM ...
Page 14: ...13 BLOCK DIAGRAM TUNER BLOCK DIAGRAM ...
Page 15: ...14 BLOCK DIAGRAM FRONT BLOCK DIAGRAM ...
Page 16: ...15 CIRCUIT SCHEMATICS 1 ANALOG BOARD Tuner ...
Page 17: ...16 CIRCUIT SCHEMATICS Canal Switch ...
Page 18: ...17 Audio Switch CIRCUIT SCHEMATICS ...
Page 19: ...18 CIRCUIT SCHEMATICS Power Connector ...
Page 20: ...19 CIRCUIT SCHEMATICS Multi Sound Process ...
Page 21: ...20 CIRCUIT SCHEMATICS Digital Audio Out ...
Page 22: ...21 CIRCUIT SCHEMATICS Audio AD DA Converter ...
Page 23: ...22 CIRCUIT SCHEMATICS VPS PDC ...
Page 24: ...23 CIRCUIT SCHEMATICS FOME ...
Page 25: ...24 CIRCUIT SCHEMATICS Micom ...
Page 26: ...25 CIRCUIT SCHEMATICS Micom Fan Controller EEPROM ...
Page 27: ...26 CIRCUIT SCHEMATICS 2 DIGITAL BOARD Chrysalis Connector ...
Page 28: ...27 CIRCUIT SCHEMATICS DV1394 ...
Page 29: ...28 CIRCUIT SCHEMATICS Chrysalis Control CLK ...
Page 30: ...29 CIRCUIT SCHEMATICS Chrysalis Main ...
Page 31: ...30 CIRCUIT SCHEMATICS 1 8V ...
Page 32: ...31 CIRCUIT SCHEMATICS Progressive Scan DAC ...
Page 33: ...32 CIRCUIT SCHEMATICS Flash SDRAM EEPROM ...
Page 34: ...33 CIRCUIT SCHEMATICS Video IO to Analog Main Board ...
Page 35: ...34 CIRCUIT SCHEMATICS Video Decoder ...
Page 36: ...35 CIRCUIT SCHEMATICS 3 FRONT BOARD VFD ...
Page 37: ...36 CIRCUIT SCHEMATICS FRONT INPUT DV1394 ...
Page 38: ...37 4 POWER SUPPLY DVD RW FREE CIRCUIT SCHEMATICS ...
Page 39: ...38 WAVEFORMS ...
Page 40: ...39 WAVEFORMS ...
Page 41: ...40 WAVEFORMS ...
Page 42: ...41 WAVEFORMS ...
Page 43: ...42 WAVEFORMS ...
Page 44: ...43 WAVEFORMS ...
Page 45: ...44 DISASSEMBLY DW P71D1D and DW P71D1P ...
Page 47: ...47 TROUBLESHOOTING POWER TOP ...
Page 50: ...50 TROUBLESHOOTING SYSTEM NO BOOTING MAIN TOP ...
Page 51: ...51 TROUBLESHOOTING SYSTEM NO BOOTING MAIN BOTTOM ...
Page 54: ...54 TROUBLESHOOTING SYSTEM NO BOOTING DIGITAL BOARD TOP ...
Page 55: ...55 TROUBLESHOOTING SYSTEM NO BOOTING DIGITAL BOARD BOTTOM ...
Page 58: ...58 TROUBLESHOOTING SYSTEM RTC DAEWOO MAIN TOP ...
Page 59: ...59 TROUBLESHOOTING SYSTEM RTC DAEWOO MAIN BOTTOM ...
Page 60: ...60 TROUBLESHOOTING SYSTEM DAEWOO NO DISC DIGITAL BOARD TOP ...
Page 61: ...61 TROUBLESHOOTING SYSTEM DAEWOO NO DISC DIGITAL BOARD BOTTOM ...
Page 67: ...67 TROUBLESHOOTING VIDEO MAIN TOP ...
Page 68: ...68 TROUBLESHOOTING VIDEO MAIN BOTTOM ...
Page 69: ...69 TROUBLESHOOTING VIDEO DIGITAL TOP ...
Page 70: ...70 TROUBLESHOOTING VIDEO DIGITAL BOTTOM ...
Page 79: ...79 TROUBLESHOOTING AUDIO MAIN TOP ...
Page 80: ...80 TROUBLESHOOTING AUDIO MAIN BOTTOM ...
Page 81: ...81 TROUBLESHOOTING AUDIO DIGITAL TOP ...
Page 87: ...87 TROUBLESHOOTING RF MAIN TOP ...
Page 88: ...88 TROUBLESHOOTING RF MAIN BOTTOM ...
Page 90: ...90 TROUBLESHOOTING FRONT PANEL first TOP DW P71D1D DW P71D1P only ...
Page 91: ...91 TROUBLESHOOTING FRONT PANEL first BOTTOM DW P71D1D DW P71D1P only ...