FUNAI LT850-M32 - SERVICE, Service Manual

Page: 29 / 77

9-3
Audio Block Diagram
A0CF0BLA
A
U
DIO SIGNAL
CN3704
CN401
CN3704 CN3703
CN401 CN403
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
RGB-A
UDIO(L)-IN2
16
16
RGB-A
UDIO(R)-IN2
15
15
COM-A
UDIO(R)
18
18
PC-A
UDIO-IN
JK206 COMPONENT A
U
DIO(L)-IN
COMPONENT A
U
DIO(R)-IN
JK205 JK204
A
U
DIO(L)
-IN A
U
DIO(R)
-IN JK212 JK213
JK301
1 3
RGB-A
UDIO(L)-OUT1
RGB-A
UDIO(R)-OUT1
6
RGB-A
UDIO(L)-IN1
2
RGB-A
UDIO(R)-IN1
JK302
1 3
RGB-A
UDIO(L)-OUT2
RGB-A
UDIO(R)-OUT2
6
RGB-A
UDIO(L)-IN2
2
RGB-A
UDIO(R)-IN2
PO
WER SUPPL
Y CB
A
DIGIT
AL MAIN CB
A UNIT
SIF-OUT
TU1 (TUNER UNIT)
14
SIF(+)
26
26
HEADPHONE(L)
33 HEADPHONE(R)
44 HEADPHONE-DET
22
CN3703
CN403
AMP(L)-OUT
10
10
AMP(R)-OUT
88 A
U
DIO-MUTE
12
12
WF7
RGB-A
UDIO(L)-OUT
66
RGB-A
UDIO(R)-OUT
77
RGB-A
UDIO(L)-OUT2
12
12
RGB-A
UDIO(R)-OUT2
13
13
20
IC803
(A
UDIO AMP)
1
44
9,10
13,14 35,36 31,32
MUTE CONTROL
CN802
CL802
SP802 SPEAKER L-CH
CN801
SP(R)-
1
CL801
SP801 SPEAKER R-CH
PWM1 PWM2
DRIVE1
SP(R)+
2
SP(L)-
1
SP(L)+
2
DRIVE2
JK208 HEADPHONE JA
C
K
MUTE
SIF(+)
A
U
DIO-MUTE2
HEADPHONE-MUTE
HEADPHONE-DET
A
U
DIO-MUTE
T
O
DIGIT
AL SIGNAL PR
OCESS
BLOCK DIA
GRAM
T
O
DIGIT
AL SIGNAL PR
OCESS
BLOCK DIA
GRAM
7 1
6 2
T
O
SYSTEM CONTR
OL
BLOCK DIA
GRAM
IC3802 (OP AMP)
7 1
6 2
IC3803 (OP AMP)
7 1
5 3 2
IC3805 (HP AMP)
Q3804, Q3805
DRIVE
Q3802
Q3807
MUTE
Q3801
MUTE
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)-OUT2
RGB-A
UDIO(R)-OUT2
RGB-A
UDIO(L)-IN
RGB-A
UDIO(L)-IN2
COM-A
UDIO(R)
RGB-A
UDIO(R)-IN2
RGB-A
UDIO(R)-IN
MUTE
Q3806
MUTE
MCLK
D
ATA
0
BCK
LRCK
IC3801 (A
UDIO D/A CONVER
TER)
D/A CONVER
TER
(L-CH) (R-CH)
15 14
5 6 8 7