Emerson LC320EM8, Service Manual

Page: 26 / 69

7-4
Audio-2 Block Diagram
A71F3BLA2
DIGIT
AL MAIN CB
A UNIT
PO
WER SUPPL
Y CB
A
A
UDIO SIGNAL
SP802 SPEAKER L-CH
CN802
DRIVE
CLN802
SP-P(L)
1
SP-N(L)
2
SP801 SPEAKER R-CH
CN801
CLN801
SP-P(R)
1
SP-N(R)
2
CN302
Q802
CN3014
A
UDIO(L)-OUT
14
14
A
UDIO(R)-OUT
16
16
AMP-STBY
99 AMP-MUTE
10
10
Q3029
MUTE-ON
Q3030
MUTE-ON
A
U
DIO-MUTE
AMP-STBY AMP-MUTE
TO SYSTEM CONTR
OL
BLOCK DIA
GRAM
Q3031 DRIVE
IC3020 (OP AMP)
IC802
(T
ONE CONTR
O
L)
2 6
7 1
A
UDIO(L)
-OUT
A
UDIO(L)
T
O
DIGIT
AL
SIGNAL PR
OCESS
BLOCK DIA
G
RAM
A
UDIO(R)
A
UDIO(R)
-OUT
JK3003
Q3032 B
UFFER
Q3033 B
UFFER
Q3027 B
UFFER
Q3028 B
UFFER
23
2
15 10
IC801
(A
UDIO PO
WER AMP)
44
1
35 36 32 10 14 31 13
9
PWM
PWM
T
ONE CONTR
O
L
T
ONE CONTR
O
L
PWM
SHUT DO
WN
MUTE CONTR
O
L
PWM
DRIVE
21
22