Pioneer PDP-507XD Service Manual page 75

5
CN3505 (D19) ↔ 50 X MAIN DRIVE ASSY CN1001 (X1)
Pin No. Pin Name
1 PSW2
2 XSUS_PD
3 XDD_PD
4 XDRV_PD
5 GND
6 SUS_MUTE
7 XSUS_MSK
8 GND
9 XNR_D
10 GND
11 XSUS_G
12 GND
13 XSUS_D
14 GND
15 XSUS_U
16 GND
17 XSUS_B
18 XCN_PD
Pin Function
AUDIO ASSY CN3752 (A2) ↔ MAIN ASSY CN4007 (M9)
Pin No. Pin Name
1 A_NG_B
2 GND
3 AUDIO_L
4 GND
5 AUDIO_R
6 GND
7 A_STBY_B
8 A_MUTE
9 SCL_AU
10 SDA_AU
11 PSW_A
AUDIO ASSY CN3751 (A1) ↔ POWER SUPPLY UNIT (P5)
Pin No. Pin Name
1 +16.5V
2 GND_D
3 GND_D
AUDIO ASSY CN3753 (A3) ↔ SP TERMINAL ASSY CN3901 (SP1)
Pin No. Pin Name
1 RH+
2 RL+
3 RH–
4 RL–
5 LL+
6 LH+
7 LL–
8 LH–
5
6
I/O Function
O Function standby control signal
I X drive PD signal
I X drive PD signal
I X drive PD signal
– GND
O X drive control signal
O X drive control signal
– GND
O X drive control signal
– GND
O X drive control signal
– GND
O X drive control signal
– GND
O X drive control signal
– GND
O X drive control signal
O X drive PD signal
I/O
O DC detection, disconnection of cable detection
– GND for small signal
I Small signal L ch
– GND for small signal
I Small signal R ch
– GND for small signal
I MUTE ON/OFF signal for LA4625 IC internal circuit
I MUTE ON/OFF signal for LA4625 IC external circuit
I CLK of I2C for NJW1183GK1 IC
I/O DATA of I2C for NJW1183GK1 IC
I ON/OFF switch for 12 V regulator IC
I/O
– Power supply (16.5 V) for LA4625 IC
– Return GND for LA4625 IC
– Return GND for LA4625 IC
I/O
O Tweeter output R+
O Woofer output R+ (Speaker output R+)
O Tweeter output R–
O Woofer output R– (Speaker output R–)
O Woofer output L+ (Speaker output L+)
O Tweeter output L+
O Woofer output L– (Speaker output L–)
O Tweeter output L–
PDP-507XD
6
7
Voltage (V)
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
–
0 to 3.3
–
0 to 3.3
0 to 3.3
Function
Function
Function
7
8
TP
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Remarks
L : Abnormal, H : Normal
–
–
–
–
–
L : Standby, H : ON
L : MUTE OFF, H : MUTE
–
–
L : OFF, H : ON
Remarks
–
–
–
Remarks
–
–
–
–
–
–
–
–
75
8
A
B
C
D
E
F