Sony ZS-S50CP Service Manual page 41

Pin No. Pin Name
67
CCEN
68
REQ
69
MMUTE
70
MP3/CD-RST
71 to 76
NC
77 XRESET
78 to 80
NC
81 VSS
82 X0
83 X1
84 VCC
85 CLKSFT-AM
86 CLKSFT-FM
87, 88
NC
89
O-TRY-CLS
90 O-TRY-OPN
91
I-TRY-CLS
92
I-TRY-OPN
93 to 95
NC
96 TU-CE
97
TU-DATA
98
TU-CLK
99
TU-COUNT
100 TU-BMUTE
I/O
O Chip enable signal output to the CD-MP3 processor
I Request signal input from the CD-MP3 processor
O Muting signal output to the coil/motor driver
O
System reset signal output to the CD-MP3 processor "L": reset
- Not used
System reset signal input from the reset signal generator "L": reset
I
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
- Not used
- Ground terminal
I
System clock input terminal (5.53 MHz)
O
System clock output terminal (5.53 MHz)
-
Power supply terminal (+3.3V)
O Oscillation frequency selection on/off control signal output terminal for AM
O
Oscillation frequency selection on/off control signal output terminal for FM
- Not used
O Loading motor control signal output terminal (for loading in)
O Loading motor control signal output terminal (for loading out)
I
Disc tray close position detection signal input terminal
I Disc tray open position detection signal input terminal
- Not used
O Chip enable signal output to the FM/AM PLL "L" active
O Serial data output to the FM/AM PLL
O Serial data transfer clock signal output to the FM/AM PLL
I Serial count data input from the FM/AM PLL
O Tuner muting on/off control signal output to the FM/AM PLL "H": muting on
Description
ZS-S50CP
41