Hi-Fi Circuit - Philips DVDR630VR Service Manual

VCR ELECTRICAL TROUBLESHOOTING GUIDE

5. Hi-Fi CIRCUIT

(1) No Sound(EE Mode)
No Sound.
YES
Check the TU Audio of IC801
Pins2, 3.
Check the DVD Audio of IC801
Pins4, 5.
Check the AV1 Audio of IC801
Pins6, 7.
Check the AV2 Audio of IC801
Pins8, 9.
Check the AV3 Audio of IC801
Pins10, 11.
Check the Vcc of IC801 Pins34, 40,
IC804 Pin13.
Check the IIC Clock and DATA at
IC801 Pins42, 43.
Check the Audio of IC801 Pins16, 17.
Check the Audio of PMD02 Pin19, 21.
Check the Audio of PMD02 Pin23, 25.
Check the SC901, JK901.
YES
YES
YES
YES
YES
YES
NO
Check the IC751 Pin30, 31.
NO
Check the DVD Audio OUT.
(JK902 DVD_A_L_L/R).
NO
Check the Scart1 Jack.
(SC901 Scart1 Audio in Pin2, 6).
NO
Check the Scart2 Jack.
(SC901 Scart2 Audio in Pin2, 6).
NO
Check the front Jack.
Check the Power 5.0V, 12V.
NO
NO
Check the IC501 Pins59, 60.
NO
NO
Check the Pcb Pattern between IC801
Pin16, 17 with PMD02 Pin19, 21.
NO
Check the DVD Board Audio path.
3-16
Replace IC801.