Pioneer PDP-4271HD Service Manual page 70

1
A
CN3002 (D12) ↔ Reserve (Non connection)
Pin No. Pin Name
1 V+3V_D
2 V+3V_D
3 V+3V_D
4 GND_D
5 GND_D
6 GND_D
7 LED_R
8 LED_B
9 MSEL
B
10 PBF
11 NC
12
YOBI0
13
YOBI1
14
YOBI2
15
YOBI3
16
YOBI4
17 NC
18 NC
19
V+3V_STB
20
GND_D
C
CN3151 (D24) ↔ SENSOR ASSY CN3651 (TE1)
Pin No. Pin Name
1
V+3.3V_EEP
2
E_SCL
3
E_SDA
4
TEMP1
5
GND
D
CN3601 (D21) ↔ POWER SUPPLY UNIT (P4)
Pin No. Pin Name
1 V+12V
2 V+12V
3 GND
4 GND
5 V+3.3V_STB
6 GND
7 M_SW_DET
8 EXT_PD
9
VSUS_ADJ
E
10 PS_PD
11 RELAY
12
DRF_B
13
AC_DET
14
PD_TRG_B
F
70
1
2
I/O Function
O +3.3 V power supply output
O +3.3 V power supply output
O +3.3 V power supply output
– GND
– GND
– GND
O Red LED control output
O Blue LED control output
I Control select
I Panel type judge
I Non connection
I Reserve input
I Reserve input
I Reserve input
I Reserve input
I Reserve input
I Non connection
I Non connection
O STB 3.3 V power supply output
– GND
I/O Function
O Power supply output for memory
O IIC communication clock signal
O IIC communication data signal
I Panel temperature sensor signal
– GND
I/O Function
I +12 V power supply input
I +12 V power supply input
– GND
– GND
I STB3.3 V power supply input
– GND
I Mechanism switch detection signal input
O Power down signal
O VSUS power supply adjustment signal
I Power supply PD signal
O Relay control
O Large power supply ON/OFF control signal
I AC power supply state input
I Power down trigger signal
PDP-4271HD
2
3
Voltage (V) TP
–
3.3
–
3.3
–
3.3
–
–
– –
– –
–
0 to 3.3
–
0 to 3.3
–
0 to 3.3
–
0 to 3.3
– –
0 to 3.3 –
0 to 3.3 –
0 to 3.3 –
0 to 3.3 –
0 to 3.3 –
– –
– –
3.3 –
– –
Voltage (V) TP
3.3 –
0 to 3.3 –
0 to 3.3 –
0 to 3.3 –
–
–
Voltage (V) TP
12 –
12 –
– –
– –
0 to 3.3 –
– –
0 to 3.3 –
0 to 3.3 –
0 to 3.3 –
0 to 3.3 –
0 to 3.3 –
0 to 3.3 –
0 to 3.3 –
0 to 3.3 –
3
4
4