Sony MXD-D3 Service Manual page 23

MAIN BOARD
1 wire (flat type) (29 core)
(CN501)
2 connector
(CN502)
1 wire (flat type) (27 core)
(CN602)
1 wire (flat type) (23 core)
(CN601)
MEASURE AGAINST HEAT FROM HEAT SINK
When connecting the cable from TRANS board (CN101) to MAIN board (CN902),
cross it with the cable between SW board (CN601) and MAIN board (CN603), as shown in the figure.
CN101
2 three connectors
(CN603, 901, 902)
3 screw
(BVTT3 × 6)
TRANS board
CN601
SW board
1 wire (flat type) (19 core)
(CN604)
2 connector
(CN451)
3 screw
(BVTT3 × 6)
5 two PC board holders
heat sink
CN902
CN603
6 MAIN board
4 two screws
(BVTP3 × 8)
MAIN board
23