DAV-X1G, HCD-X1G - Sony Audio Service Manual (repair manual). Page 8

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In checking the POWER-AMP board, prepare extension jig (Part No. J-2501-244-A: 1.00 mm Pitch, 21 cores, Length 300 mm).

MAIN board
(CN506)

POWER-AMP board
(CN301)

MAIN board

POWER-AMP board

Connect extension jig (J-2501-244-A) to the
MAIN board (CN506) and POWER-AMP board (CN301).

Note: Remove the MAIN Board once, and then remove the POWER-AMP board.

After that, reinstall the MAIN Board and set this service position.

Reconnect the
power cord.

Please place a sheet
for insulation.

KHM-310CAA

or

KHM-313CAA

1

two screws
(PTP3 

×

 8)

2

chassis cover

3

cover (CDM)

– bottom side –

There are two kinds of OPTICAL PICK-UP BLOCK in this set.
When replacing the OPTICAL PICK-UP BLOCK, make sure which OPTICAL PICK-UP BLOCK it is following the “How to Identify” in
the figure shown below.