Pioneer PDP-6071PU Service Manual page 81

5
60 X DRIVE ASSY
X5: CN1204 (AKM1277)
Pin No. Name Voltage [V]
1 +60V
2 +60V
3 NC
4 GND_ADR
5 +12V
6 GND_D
60 X DRIVE ASSY
X3: CN1201 (AKM1281)
X6: CN1203 (AKM1281)
Pin No. Name Voltage [V]
1 GND_D
2 5V
3 8V
4 GND_ADR
5 +60V
6 +60V
7 GND_ADR
8 8V
9 5V
10 GND_D
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
POWER SUPPLY UNIT
P6: (B6B-PH-K-S)
Name Pin No.
60 +60V
60 +60V
- NC
0 GND_ADR
12 +12V
0 GND_D
60 ADDRESS L/S ASSY
AD2: CN1601 (AKM1291)
AD2: CN1801 (AKM1291)
Name Pin No.
0 GND_D
5 5V
8 8V
0 GND_ADR
60 +60V
60 +60V
0 GND_ADR
8 8V
5 5V
0 GND_D
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-6071PU
6
7
1 60V power supply
2 60V power supply
3 Non-connection termial
4 GND
5 12V power supply
6 GND
1 GND
2 5V power supply
3 8V power supply
4 GND
5 60V power supply
1 60V power supply
2 GND
3 8V power supply
4 5V power supply
5 GND
Function
Function
Function
7
8
Function
Function
Remarks
L : Abnormal, H : Normal
–
–
–
–
–
L : Standby, H : ON
L : MUTE OFF, H : MUTE
–
–
L : OFF, H : ON
Remarks
–
–
–
Remarks
–
–
–
–
–
–
–
–
8
A
B
C
D
E
F
81