Sony PMC-222V Service Manual page 36

Pin No. Pin Name I/O
81 OSC1 O
82 OSC0 I
83 D-GND —
84 XTI I
85 XTO O
86 NC (GND) —
87 C MUT O
88 B MUT O
89 A MUT I/O
90 CCE O
91 BUO O
92 BUI I
93 BUCK O
94 RST I
95 NC (GND) —
96 NC (OPEN) —
97 VDDL
98 to 100 VDD1 to VDD3 —
Main clock output (4.19MHz)
Main clock input (4.19MHz)
Digital ground
32.678kHz OSC input
32.678kHz OSC output
Not used (OPEN)
CD/VCD sound muting
Tuner block muting
Audio output muting
CD/VCD CC-CBUS Line
CD/VCD CC-CBUS Line
CD/VCD CC-CBUS Line
CD/VCD CC-CBUS Line
Reset input
Connected to ground
Not used (OPEN)
Bias power supply for LCD drive
Bias power supply for LCD drive
— 64 —
Description