Sony PLM-A55E Service Manual page 40

Pin No. Pin Name
LED016 to LED021
39 to 44
RMC SEL
45
RMC SEL
46
VCC
47
SEG15 to SEG08
48 to 55
VSS
56
SEG07 to SEG00
57 to 64
V3 to V0
65 to 68
COM0 to COM3
69 to 72
CG SDE
73
DD CHARGE
74
DATA TO MASTER
75
76 DATA TO SLAVE
MODECON SCK
77
CS CG
78
79 DD MAIN
80 SHUTTER
81 AVSS
82 MENU/EXEC A/D
BATT SIG
83
CHARGE A/D IN
84
BATT SENCE
85
86 DC IN A/D
87 VOL I/F A/D
VOL DS A/D
88
P97/AN07
89
AVCC
90
CS EEPROM
91
WE EEPROM
92
CS DA
93
PA3/AN11
94
LANC IN
95
96 LANC OUT
97 BUZZER
98 BACK UP VCC
CL1
99
CL0
100
I/O
O
LED drive signal output terminal Not used (open)
I
Not used (fixed at "L")
—
Not used (open)
—
Power supply terminal (+5V)
O
LCD segment drive signal output terminal Not used (open)
—
Ground terminal
O
LCD segment drive signal output terminal Not used (open)
I
Bias voltage input for the LCD drive Not used
O
LCD common drive signal output terminal Not used (open)
Input of check signal whether vertical sync signal is present or not from character generator
I
(IC101) "L": vertical sync signal is present
O
Charge mode on/off control signal output to the DC/DC converter (IC301)
I
Serial data input from the EEPROM (IC901)
Serial data output to the character generator (IC101), D/A converter (IC202) and EEPROM
O
(IC901)
Serial data transfer clock signal output to the character generator (IC101), D/A converter
O
(IC202, 402) and EEPROM (IC901)
O
Chip select signal output to the character generator (IC101)
O Main power supply control signal output to the DC/DC converter (IC301)
O Rectangle waveform (125 Hz) output for the shutter Not used (open)
— Ground terminal (for A/D input)
I S702 and S703 keys input on the SA-52P board
I
Not used
I
Input of battery voltage detection in charge mode (A/D input)
I
Input of battery capacity detection when rechargeable battery is used (A/D input)
I
Input of voltage detection when DC adapter is used (A/D input)
—
Not used (open)
I
Volume control input terminal (A/D input)
—
Not used (open)
—
Power supply terminal (+5V) (for A/D input)
O
Chip select signal output to the EEPROM (IC902)
O
Data write enable signal output to the EEPROM (IC902)
O
Chip select signal output to the D/A converter (IC202, 402)
—
Not used (open)
I
LANC serial data input terminal (for test)
O LANC serial data output terminal (for test)
O Buzzer sound output terminal Not used (open)
— Power supply terminal (+5V)
O
Sub system clock output terminal (32.768 kHz)
I
Sub system clock input terminal (32.768 kHz)
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Function