46
TROUBLESHOOTING
1. No output voltage of Power Circuit
Output voltage of D821, D822,
D823, D826?
YES
NO
NO
NO
YES
Output Voltage of D821, D822,
D823, D826?
Check other parts.
Check ON/OFF Control.
Replace bad parts
When Power is ON, Pin 8 of P821
is +5 voltage?
Check IC804, IC805, IC806
Check POWER CODE
(+) Voltage of C805.
YES
NO
NO
NO
YES
Switching Waveform on Drain of
Q801?
Replace POWER CORD.
Check F801, L801, L802, D801,
R802.
Check D805, IC802, Q801
NO
1. POWER CIRCUIT
** DVM Voltage Measure **
On 110 Voltage input, DC 80–10 Voltage
On 220 Voltage input, DC 190–20 Voltage
Содержание DQR-1000D
Страница 9: ...8 BLOCK DIAGRAM ...
Страница 10: ...9 BLOCK DIAGRAM SYSTEM BLOCK DIAGRAM ...
Страница 11: ...10 BLOCK DIAGRAM SYSTEM BLOCK DIAGRAM ...
Страница 12: ...11 BLOCK DIAGRAM VIDEO BLOCK DIAGRAM ...
Страница 13: ...12 BLOCK DIAGRAM AUDIO BLOCK DIAGRAM ...
Страница 14: ...13 BLOCK DIAGRAM TUNER BLOCK DIAGRAM ...
Страница 15: ...14 BLOCK DIAGRAM FRONT BLOCK DIAGRAM ...
Страница 16: ...15 CIRCUIT SCHEMATICS 1 ANALOG BOARD Tuner ...
Страница 17: ...16 CIRCUIT SCHEMATICS Canal Switch ...
Страница 18: ...17 Audio Switch CIRCUIT SCHEMATICS ...
Страница 19: ...18 CIRCUIT SCHEMATICS Power Connector ...
Страница 20: ...19 CIRCUIT SCHEMATICS Multi Sound Process ...
Страница 21: ...20 CIRCUIT SCHEMATICS Digital Audio Out ...
Страница 22: ...21 CIRCUIT SCHEMATICS Audio AD DA Converter ...
Страница 23: ...22 CIRCUIT SCHEMATICS VPS PDC ...
Страница 24: ...23 CIRCUIT SCHEMATICS FOME ...
Страница 25: ...24 CIRCUIT SCHEMATICS Micom ...
Страница 26: ...25 CIRCUIT SCHEMATICS Micom Fan Controller EEPROM ...
Страница 27: ...26 CIRCUIT SCHEMATICS 2 DIGITAL BOARD Chrysalis Connector ...
Страница 28: ...27 CIRCUIT SCHEMATICS DV1394 ...
Страница 29: ...28 CIRCUIT SCHEMATICS Chrysalis Control CLK ...
Страница 30: ...29 CIRCUIT SCHEMATICS Chrysalis Main ...
Страница 31: ...30 CIRCUIT SCHEMATICS 1 8V ...
Страница 32: ...31 CIRCUIT SCHEMATICS Progressive Scan DAC ...
Страница 33: ...32 CIRCUIT SCHEMATICS Flash SDRAM EEPROM ...
Страница 34: ...33 CIRCUIT SCHEMATICS Video IO to Analog Main Board ...
Страница 35: ...34 CIRCUIT SCHEMATICS Video Decoder ...
Страница 36: ...35 CIRCUIT SCHEMATICS 3 FRONT BOARD VFD ...
Страница 37: ...36 CIRCUIT SCHEMATICS FRONT INPUT DV1394 ...
Страница 38: ...37 4 POWER SUPPLY DVD RW FREE CIRCUIT SCHEMATICS ...
Страница 39: ...38 WAVEFORMS ...
Страница 40: ...39 WAVEFORMS ...
Страница 41: ...40 WAVEFORMS ...
Страница 42: ...41 WAVEFORMS ...
Страница 43: ...42 WAVEFORMS ...
Страница 44: ...43 WAVEFORMS ...
Страница 45: ...44 DISASSEMBLY DW P71D1D and DW P71D1P ...
Страница 47: ...47 TROUBLESHOOTING POWER TOP ...
Страница 50: ...50 TROUBLESHOOTING SYSTEM NO BOOTING MAIN TOP ...
Страница 51: ...51 TROUBLESHOOTING SYSTEM NO BOOTING MAIN BOTTOM ...
Страница 54: ...54 TROUBLESHOOTING SYSTEM NO BOOTING DIGITAL BOARD TOP ...
Страница 55: ...55 TROUBLESHOOTING SYSTEM NO BOOTING DIGITAL BOARD BOTTOM ...
Страница 58: ...58 TROUBLESHOOTING SYSTEM RTC DAEWOO MAIN TOP ...
Страница 59: ...59 TROUBLESHOOTING SYSTEM RTC DAEWOO MAIN BOTTOM ...
Страница 60: ...60 TROUBLESHOOTING SYSTEM DAEWOO NO DISC DIGITAL BOARD TOP ...
Страница 61: ...61 TROUBLESHOOTING SYSTEM DAEWOO NO DISC DIGITAL BOARD BOTTOM ...
Страница 67: ...67 TROUBLESHOOTING VIDEO MAIN TOP ...
Страница 68: ...68 TROUBLESHOOTING VIDEO MAIN BOTTOM ...
Страница 69: ...69 TROUBLESHOOTING VIDEO DIGITAL TOP ...
Страница 70: ...70 TROUBLESHOOTING VIDEO DIGITAL BOTTOM ...
Страница 79: ...79 TROUBLESHOOTING AUDIO MAIN TOP ...
Страница 80: ...80 TROUBLESHOOTING AUDIO MAIN BOTTOM ...
Страница 81: ...81 TROUBLESHOOTING AUDIO DIGITAL TOP ...
Страница 87: ...87 TROUBLESHOOTING RF MAIN TOP ...
Страница 88: ...88 TROUBLESHOOTING RF MAIN BOTTOM ...
Страница 90: ...90 TROUBLESHOOTING FRONT PANEL first TOP DW P71D1D DW P71D1P only ...
Страница 91: ...91 TROUBLESHOOTING FRONT PANEL first BOTTOM DW P71D1D DW P71D1P only ...