Pioneer PDP-4271HD Service Manual page 72

1
A
SIDE KEY ASSY CN9501 (SW1) ↔ MAIN ASSY CN4010 (M8)
Pin No. Pin Name
1 GND
2 KEY_AD2
3 KEY_AD1
4 V+3.3V_STB
42 &60 LED ASSY CN9601 (L1) ↔ MAIN ASSY CN4006 (M5)
Pin No. Pin Name
1 LED–
B
2 LED_ON
3 LED_OFF
4 LED_REC
5 LED_MDM
6 LED–
LED IR ASSY CN9701 (RE1) ↔ MAIN ASSY CN4010 (M8)
Pin No. Pin Name
1 V+5.1V_STB
2 REM
3 LED–
C 4 LED_REC
5 LED_MDM
6 GND
D
E
F
72
1
2
I/O
– GND
O KEY voltage 2
O KEY voltage 1
– Standby 3.3 V power supply
I/O
– LED signal return
I LED control for power ON
I LED control for standby
I LED control for REC
–
I
– LED signal return
I/O
– Standby 5.1 V power supply
O Remote control signal
– LED signal return
I –
I –
– GND
PDP-4271HD
2
3
Function
Function
Function
3
4
Remarks
–
–
–
–
Remarks
–
H : LED_ON, L : LED_OFF
H : LED_ON, L : LED_OFF
H : LED_ON, L : LED_OFF
–
–
Remarks
–
–
–
–
–
–
4