Sony AVD-K150B Service Manual page 27

5. Hi-Fi CIRCUIT
(A) No Sound(EE Mode)
No Sound.
YES
Check the TU Audio of IC801
Pins1, 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,
IC802 Pin4.
YES
Check the IIC Clock and DATA at
IC801 Pins42, 43, IC802 Pins32, 33.
YES
Check the Audio of IC801 Pins16, 17.
YES
Check the Audio of IC802 Pins22, 26.
YES
Check the JK801.
AVD-K150B/K150E/K150G/K150N/K150R
NO
Check the IC751 Pins30, 31.
NO
Check the DVD MODULE.
(P8D01 Pins3, 5).
NO
Check the Scart1 Jack.
(SC901 Scart1 Audio in Pins2, 6).
NO
Check the Scart2 Jack.
(SC901 Scart2 Audio in Pins2, 6).
NO
Check the front Jack.
(PM602 Pins3, 5).
YES
Check the Power 5.2V, 12VT.
NO
NO
Check the IC501 Pins59, 60.
NO
NO
Replace IC801.
Replace IC802.
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