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Technics SJ-HD505 Service Manual page 78

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Pin
Mark
I/O
No.
Division
51
PANEL
O
DATA 0
52
PANEL
O
CS
53
SELAD
O
54
SSCLK
O
55
SSDR
I
56
SSDW
O
57
LCDCK
O
58
ADRS
O
TEST
RXD
59
LCD
O
DATA
TXD
60
VREF-
61
TEMP
I
62
KEY1
I
63
KEY2
I
64
MO
I
LOAD
65 SRVTEST
I
66
LOAD P
I
67
TEST
I
KEY IN
68
SRV
I
LOAD
69
VCC 3V
I
70
VCC 5V
I
Function
Panel I/F data output
terminal
Panel I/F chip select output
terminal
Micro computer I/F address
select output terminal
Micro computer I/F clock
output terminal
Micro computer I/F reading
data input terminal
Micro computer I/F writing
data output terminal
LCD clock test signal
output terminal
(Connected to power
supply through resistor)
Test signal output terminal
(Connected to power
supply through resistor)
Test signal output terminal
(Not used, open)
Connected to GND
Temprature sensor amp
input terminal
Key input 1 terminal
Key input 2 terminal
Test signal input terminal
("L":Without loading
mechanism) (Open)
Test signal input terminal
("L":Servo test mode)
(Open)
Test signal input terminal
(Open)
Test signal input terminal
("L":Unit key mode) (Open)
Test signal input terminal
("L":Using for servo
primary values EEPROM)
Power supply terminal (+
3V)
Power supply terminal (+
5V)

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