Zenith XBR411 - Hi-Fi CIRCUIT

3-17
VCR ELECTRICAL TROUBLESHOOTING GUIDE
7. Hi-Fi CIRCUIT
(1) No Sound(EE Mode)
YES
No Sound.
Check the DVD Audio of IC801
Pins12, 74.
Check the AV1 Audio of IC801
Pins11,73.
Check the AV2 Audio of IC801
Pins9, 71.
Check the Vcc of IC801 Pins3, 54.
YES
Check the IIC Clock and DATA at
IC801 Pins37, 38.
YES
Check the Audio of IC801 Pins78, 80.
YES
Check the JK601.
Check the VDR MODULE.
(PMD02 Pins23, 25).
NO
NO
Check the RCA Jack.
(JK601 Scart1 Audio in L, R).
NO
Check the VDR MODULE.
(PMD02 Pins27, 29).
Check the Power 9V.
YES
NO
Check the IC501 Pins71, 72.
NO
Replace IC801.
NO