Service manual

7-3
Audio Block Diagram
P7151BLA
MAIN CBA
AUDIO-MUTE
VOLUME
TO SYSTEM CONTROL BLOCK DIAGRAM
INPUT-0 INPUT-1
IC701 (INPUT SELECT)
SW CTL
3
11 15 12 14
4 1
9 10
TO IF/VIDEO BLOCK DIAGRAM
TUNER
TUNER
(L-CH)
(R-CH)
AUDIO(L) -IN1
JK742
DIGITAL AUDIO-OUT JK743 AUDIO(R) -IN1 JK702 AUDIO(L) -IN2 JK703 AUDIO(R) -IN2
11
IC801 (AUDIO AMP)
7
VOLUME
14
AMP AMP
MUTE /STANDBY CONTROL
(R-CH) (L-CH)
2
Q811
JK801 HEADPHONE JACK
SP802 SPEAKER R-CH
CN802
SP-R 1
GND 2
SP801 SPEAKER L-CH
CN801
CLN801 CLN802
SP-L 1
SP-GND 2
P-ON+5V
13
2
AUDIO1
AUDIO2
AUDIO1 AUDIO2
3
DTV
DTV
5
8
DTV-SPDIF DTV-AUDIO(L)
TO DTV MODULE BLOCK DIAGRAM
DTV-AUDIO(R)
AUDIO SIGNAL
AUDIO MUTE
(FRONT) (FRONT) (REAR) (REAR)
TU-AUDIO