E Audio Assy - Pioneer PDP-4270XA Service Manual

1

4.15 42E AUDIO ASSY

A
To
POWER SUPPLY UNIT
A1
B
+16.5V
C
D
E
A3
Right
SPEAKERS
F
60
1
2
P5
+16.5V
BUFFER
POWER AMP IC
IC3751
LA4625
DC DETECT
BLOCK
Left
PDP-427XD
2
3
+16.5V +12V
+12V
REGULATOR
IC3752
PQ120DNA1ZPH
+12V
WOW + VOLUME IC
SCL
IC3753
SDA
NJW1183GK1
+12V
BUFFER
A2
A_Mute
A_STBY_B
R_Audio
L_Audio
A_NG_B
42E AUDIO ASSY
3
4
PSW_A
To
MAIN
Assy
M9
4