Sylvania 6842PE M, Service Manual, Page: 35 / 82

1-8-5
Audio Block Diagram
L0604BLA
A
UDIO1(L)
IN
Q707
CN1702
CN201
J
A
CK CB
A
ANALOG CB
A
91
A
UDIO3(L)
82
A
UDIO3(R)
64
A
UDIO4(L)
JK702
A
UDIO1(R)
IN A
UDIO3(L)
IN
JK1703
A
UDIO3(R)
IN A
UDIO4(R)
IN A
UDIO4(L)
IN A
UDIO2(L)
IN
JK753
A
UDIO2(R)
IN
JK754
55
A
UDIO4(R)
CN751
CN702
22
A
UDIO2(L)
11
A
UDIO2(R)
13 15 14 12
SW CTL
3
10
9
11
IC203
(INPUT SELECT)
13 15 14 12
SW CTL
3
10
9
11
IC202
(INPUT SELECT)
5 2
12
6
IC801 (A
UDIO AMP)
7
V
OLUME
CTL
1
SP-L
SP802 SPEAKER L-CH
2
SP-GND
CN802
1
SP-R
SP801 SPEAKER L-CH
2
SP-GND
CN801
Q801
A
UDIO(L)
OUT A
UDIO(R)
OUT
JK703
Q708
Q711
Q712
Q709
Q710
A
UDIO-SW0
A
UDIO-SW1
A
UDIO-SW2
Q205 Q204 Q203
A-MUTE V
OLUME
AMP AMP
AMP AMP
+5V
A-OUT
-MUTE
DIGT
AL CB
A UNIT
A
UDIO SIGNAL
T
O
SYSTEM
CONTR
OL
BLOCK DIA
GRAM
T
O
SYSTEM
CONTR
OL
BLOCK DIA
GRAM
WF14