Hi-Fi Circuit - Zenith XBV613 - DVD/VCR Combination Service Manual

6. Hi-Fi CIRCUIT

(1) No Sound(EE Mode)
No Sound.
YES
Check the SIF.IN of IC801 Pins57.
Check the DVD Audio of IC801
Pins12, 74.
Check the LINE1 Audio of IC801
Pins11, 73.
Check the LINE2 Audio of IC801
Pins9, 71.
Check the Vcc of IC801 Pins3, 5, 15,
32, 36, 46, 54.
Check the IIC Clock and DATA at
IC801 Pins37, 38.
Check the Audio of IC801 Pins78, 80.
Check the Audio of C804, C854.
Check JK901.
YES
YES
YES
YES
YES
NO
Check the TU701 SIF Pin13.
NO
NO
NO
Check the Power 5V, 5.3VA, REG 9V.
NO
CN701 2,3,11,12
NO
NO
NO
3-14
Check the DVD MODULE.
(PMD02 Pins13, 15).
Check the Rear Jack.
(JK901 Audio in).
Check the front Jack.
Timer
Check IC501 Pins71, 72.
Replace IC801.
Replace C804, C854.