Sony WM-GX652 Service Manual page 28

r CHANGE OF BOARDS
The tuner board and audio board have been changed.
Printed wiring boards and schematic diagram of new type, and changed parts list are described in this Supplement-2.
Refer to original service manual (9-923-181-12) and Supplement-1 (9-923-181-81) previously issued for the other information.
NEW TYPE IDENTIFICATION
– TUNER BOARD (Conductor side) –
1-664-733-
– AUDIO BOARD (Conductor side) –
1-664-734-
15
23
– 2 –