FUNAI LH850-M19, Service Manual

Page: 29 / 71

9-3
Audio Block Diagram
A0CN2BLA
A
U
DIO SIGNAL
CN3704
CN401
CN3704
MUTE
CN3703
CN401 CN303
A
U
DIO(L)
22
22
A
U
DIO(R)
21
21
COM-A
UDIO(L)
19
19
PC-A
UDIO(L)
25
25
PC-A
UDIO(R)
24
24
RGB-A
UDIO(L)-IN
10
10
RGB-A
UDIO(R)-IN
99
COM-A
UDIO(R)
18
18
PC-A
UDIO-IN
JK401 COMPONENT A
U
DIO(L)-IN
COMPONENT A
U
DIO(R)-IN
JK412 JK411
SIF(+)
A
U
DIO-MUTE2
HEADPHONE-MUTE
HEADPHONE-DET
A
U
DIO-MUTE
A
U
DIO(L)
-IN A
U
DIO(R)
-IN JK404 JK405
JK413
1 3
RGB-A
UDIO(L)-OUT
RGB-A
UDIO(R)-OUT
6
RGB-A
UDIO(L)-IN
2
RGB-A
UDIO(R)-IN
MAIN CB
A
T
O
DIGIT
AL SIGNAL PR
OCESS
BLOCK DIA
GRAM
DIGIT
AL MAIN CB
A UNIT
SIF-OUT
TU10 (TUNER UNIT)
14
7 1
6 2
SIF(+)
26
26
HEADPHONE(L)
33 HEADPHONE(R)
44 HEADPHONE-DET
22
CN3703
CN303
AMP(L)-OUT
10
10
AMP(R)-OUT
88 A
U
DIO-MUTE
12
12
T
O
SYSTEM CONTR
OL
BLOCK DIA
GRAM
WF7
RGB-A
UDIO(L)-OUT
66
RGB-A
UDIO(R)-OUT
77
8
IC801
(A
UDIO AMP)
IC3802 (OP AMP)
1 9
MUTE CONTROL
CN802
CL802
SP802 SPEAKER L-CH
CN801
SP-GND
1
CL801
SP801 SPEAKER R-CH
DRIVE
7 1
5 3 2
IC3805 (HP AMP)
SP(R)
2
SP-GND
1
SP(L)
2
DRIVE
JK406 HEADPHONE JA
C
K
HEADPHONE(L)
Q3804, Q3805
DRIVE
Q3802
MUTE
Q3801
MUTE
Q801, Q802
MUTE
4 6
A
U
DIO(L)
A
U
DIO(R)
COM-A
UDIO(L)
PC-A
UDIO(L)
PC-A
UDIO(R)
RGB-A
UDIO(L)-OUT
RGB-A
UDIO(R)-OUT
RGB-A
UDIO(L)-IN
RGB-A
UDIO(R)-IN
COM-A
UDIO(R)
HEADPHONE(R)
SPDIF
11
DIGIT
AL
A
U
DIO-OUT
(CO
AXIAL)
JK410
SPDIF