Yamaha DVD-S510, Service Manual, Page: 22 / 78

DVD-S510/DV-S5350
21
SOUND OK
Diagnostic Software
NO SO
AUDIO PART
UND ON
AUDIO CINCH 1402
POWER SUPPLY?
Check DAC IC 7401
Check C2455, C2459, C2461, C2464 NP0 TYPE?
Check OPAMP 7403
Check ELCO'S 2456, 2462
Check OPAMP 7403
Check KILL transistors 7404, 7405, 7406, 7407
Check resistors 3453, 3464
Check OPAMP 7403
Check KILL transistors 7404, 7405, 7406, 7407
Check DAC IC 7401
Check VREFA on pin 30 of DAC 7401
Check testpoints 7, 8, 9, 10
Check flex connection to mono board
Check mono board
Check supply voltages 3V3(7400), +8Vaud(7304), -8Vstby,
+12Vstby
Check flex connection to mono board.
NO
YES
PCM_OUT0
LRCLK, SCLK
PCM_CLK
NO
YES
NO
YES
AUDIO
CINCH OUTPUT
TP 13?
NO
YES
AUDIO
TP 12?
NO
YES
LEVEL OK?
YES
N0
DISTORTION?
To put set in “Player script”, press keys
STOP+OPEN/CLOSE simultaneously and connect to
mains. Proceed until display shows “
”.
APP SND-2
APP SND-2
A/V board (B, G models)
Testing of A/ V board can be done using diagnostic software “Player script”.
Mono board is used to generate a sinus with the soundtest SND- 2 or a VIDEO signal with the picture test PIC- 1.
See description in chapter “Diagnostic Software : Script Interfaces”