18
TROUBLESHOOTING
A. d1. DVD E-E
No sound in DVD E-E
mode.
Is 12V obtained at IC252
pin#16?
Is there DVD signal at
IC252 pin#2,15?
C of Q258 is L or H?
YES
Is DVD signal output at
IC251 pin#3,13 ?
Check ICD01(DVD)Blcok
(Ad2)
NO
YES
YES
H
Check Mute circuit
Check Output JACK.
L
IC601 pin#20 is H,
pin#21is H?
Check IC601.
NO
Is about 8V obtained at IC252
pin#9? Is about 3.5V obtained
at pin#10 ?
Check R298, R299, R646,
R647
NO
Check POWER circuit.
Replace IC252
NO
NO
Summary of Contents for DV6T811N-LT
Page 27: ...26 WAVEFORMS 15 9 P201 2 2 AUDIO 2 1 AUDIO Mono 2 2 AUDIO HI Fl Q901 collector...
Page 29: ...28 CIRCUIT DIAGRAM 1 POWER SUPPLY SCHEMATIC DIAGRAM 120V ONLY 5...
Page 30: ...29 CIRCUIT DIAGRAM 2 PO W ER SUPPLY SCH EM ATIC DIA G RA M DV D CO M BO FREE 5...
Page 31: ...30 CIRCUIT DIAGRAM 3 VIDEO AUDIO SCHEMATIC DIAGRAM...
Page 32: ...CIRCUIT DIAGRAM 4 SERVO SYSCON SCHEMATIC DIAGRAM 31...
Page 33: ...CIRCUIT DIAGRAM 5 DIGITAL AUDIO SCHEMATIC DIAGRAM 32...
Page 34: ...CIRCUIT DIAGRAM 6 Hi Fi SW CIRCUIT DIAGRAM 33...
Page 35: ...CIRCUIT DIAGRAM 7 INPUT AUTPUT SCHEMATIC DIAGRAM 34...
Page 36: ...CIRCUIT DIAGRAM ATATI 35...
Page 37: ...CIRCUIT DIAGRAM 36...
Page 38: ...CIRCUIT DIAGRAM CPU 37...
Page 39: ...CIRCUIT DIAGRAM DECODER 38...
Page 40: ...39 PCB CIRCUIT BOARD 1 1 VCR MAIN 6...
Page 41: ...PCB CIRCUIT BOARD 1 2 POWER 40...
Page 42: ...PCB CIRCUIT BOARD 1 3 LOGIC 41...
Page 43: ...PCB CIRCUIT BOARD 2 1 DVD MAIN A 42...
