Sony HCD-CP33 Service Manual page 32

6-16. ADJUSTING POINTS AND CONNECTING POINTS
[BD BOARD] (SIDE A)
CN101
D101
GND
6
CN110
I+3V
5
IOP
4
TE
3
RF
2
VC
1
NOTE
IC171
[BD BOARD] (SIDE B)
IC192
NOTE:It is useful to use the jig. for checking the waveform. (Refer
to Servicing Note on page 6.)
32
IC101
IC121