Sony HCD-CP2 Service Manual page 46

Pin No. Pin Name
67 C-XLAT
68 REC/PB
69 C-MUTE
70 SCK
71 SDA
72 VDD
73 NC
74 AU MUTE
75 LINE MUTE
76 C-CLK
77 C-DATA
78 DOLBY
79 REC-MUTE
80 NORMAL/HI
46
I/O
O Serial data latch pulse output to the CXD2589Q (IC703)
Recording/playback selection signal output to the REC/PB switching (IC602)
O
"L": playback mode, "H": recording mode
O Muting on/off control signal output to the CXD2589Q (IC703)
O Serial data transfer clock signal output to the TDA7439 (IC301)
Serial data output to the TDA7439 (IC301)
O
— Power supply terminal (+5V)
— Connected to power supply (+5V)
O Muting on/off control signal output terminal "H": muting on
Line muting on/off selection signal output to the HA12203NT (IC401)
O
"L": muting off, "H": muting on
O Serial data transfer clock signal output to the CXD2589Q (IC703)
O Serial data output to the CXD2589Q (IC703)
Dolby NR on/off selection signal output to the HA12203NT (IC401)
O
"L": dolby off, "H": dolby on
Recording muting on/off selection signal output to the HA12203NT (IC401)
O
"L": muting off, "H": muting on
Normal/high speed selection signal output to the HA12203NT (IC401)
O LED drive signal output of the HI-SPEED DUBBING indicator (D822)
"L": normal speed, "H": high speed (LED on)
Description