(No.YD068)1-61
D
C
NO
NO
NO
Does spindle rotate?
Proper
SPINDLE_S signal on
ZR36868
Check SPINDLE_S related
circuit on ZR36868
MOT_SPDL-
& M output
properly?
Check the spindle control
amp circuit of motor driver.
Check the cable connection
between spindle and main PCBA.
NO
Laser turns on when
reading disc?
NO
NO
NO
NO
DVD_LD or CD_LD output
properly?
Check the laser power circuit
on ZR36868 and connecting to
power transistor.
Collector voltage of
power transistor is OK?
Check the related circuit on
laser power transistor
Check cable connection between
transistor ouput and pick-up head.
Put disc in?
Laser off
Disc ID is correct?
Check DVD_LD & CD_LD signal
YES
YES
YES
YES
YES
YES
YES
YES
Содержание HR-XV28SEF
Страница 9: ... No YD068 1 9 SECTION 3 DISASSEMBLY This service manual does not describe DISASSEMBLY ...
Страница 69: ... No YD068 1 69 F FE RFL FIG 7 2 DVD F FE RFL FIG 7 3 CD ...
Страница 70: ...1 70 No YD068 5 4 8 FOCUS ON WAVEFORM F FE RFL FIG 7 4 CD FOCUS_S FACT FACT FIG 8 1 DVD ...
Страница 74: ...1 74 No YD068 5 4 13 ZR36868 AUDIO OUTPUT TO AUDIO DAC 2 COMPOSITE VIDEO SIGNAL FIG 12 2 FIG 13 1 ...
Страница 75: ... No YD068 1 75 5 4 14 AUDIO OUTPUT FROM AUDIO DAC FIG 14 1 ...
Страница 78: ......
Страница 84: ...A 1 2 3 4 5 B C D E F G EE MODE VIDEO TU MODE AUDIO TUNER IF CIRCUIT DIAGRAM SHEET 4 2 11 2 12 ...
Страница 86: ...A 1 2 3 4 5 B C D E F G SCART JACK CIRCUIT DIAGRAM SHEET 6 2 15 2 16 ...
Страница 87: ...A 1 2 3 4 5 B C D E F G ع DVD SERVO CIRCUIT DIAGRAM SHEET 7 2 17 2 18 ...
Страница 88: ...A 1 2 3 4 5 B C D E F G ع DVD AV JACK CIRCUIT DIAGRAM SHEET 8 2 19 2 20 ...
Страница 89: ...A 1 2 3 4 5 B C D E F G ع DVD SYSTEM CIRCUIT DIAGRAM SHEET 9 2 21 2 22 ...
Страница 90: ...PRINTED CIRCUIT DIAGRAMS VCR MAIN BOARD TOP SIDE 2 23 2 24 ...
Страница 91: ...VCR MAIN BOARD BOTTOM SIDE 2 25 2 26 ...
Страница 92: ...COMPONENT PARTS LOCATION GUIDE VCR MAIN 2 27 2 28 ...
Страница 93: ...LOCATION GUIDE LOCATION GUIDE POWER BOARD KEY BOARD 2 29 2 30 ...
Страница 101: ...IC7V1_SDA5650X IC802_NM1232 IC903_BH78968FS IC803_LD1117A IC801_ DA9605H IC BLOCK 2 45 2 46 ...
Страница 107: ......
Страница 113: ... No YD068 3 5 052 517 061 056 518 052A 055 410 077 076 078 060 051 064 A11 A12 023 080 058 BACK SIDE ...