FUNAI LH7-M19BB, Service Manual

Page: 28 / 68

8-3
Audio Block Diagram
A93N2BLA1
A
UDIO SIGNAL
CN3704
CN401
CN3704 CN3703
CN401 CN303
A
UDIO(L)
22
22
SPDIF
11 A
UDIO(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
UDIO(L)-IN
COMPONENT A
UDIO(R)-IN
JK412 JK411
IC3802 (A
UDIO SELECT
OR)
ADC-OUT(L)
A
UDIO(L)-2
A
UDIO(L)-1
A
UDIO(L)-0
ADC-OUT(R)
A
UDIO(R)-2
A
UDIO(R)-1
A
UDIO(R)-0
MCLK SIF(+)
A
UDIO-MUTE2
HEADPHONE-DET
A
UDIO-MUTE
D
ATA
0
BCK
LRCK
A
UDIO(L)
-IN
DIGIT
AL
A
UDIO-OUT
(CO
AXIAL)
A
UDIO(R)
-IN JK404
JK410
JK405
52 50
17 18
48 44 51 49 47 43
AU
D
IO
SELECT
OR
(L-CH) AU
D
IO
SELECT
OR
(R-CH)
26 24 22 21 23 25
8
11
6 7
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
ALSIGNAL PR
OCESS
BLOCK DIA
GRAM
T
O DIGIT
ALSIGNAL PR
OCESS
BLOCK DIA
GRAM
DIGIT
AL MAIN CB
A UNIT
SIF-OUT
TU10 (TUNER UNIT)
14
IC3801 (A
UDIO D/A CONVER
TER)
D/A CONVER
TER
(L-CH) (R-CH)
15 14
5 6
8 7
SIF(+)
26
26
HEADPHONE(L)
33 HEADPHONE(R)
44 HEADPHONE-DET
22
CN3703
CN303
AMP(L)-OUT
10
10
AMP(R)-OUT
88 A
UDIO-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)
1 9
MUTE CONTROL
CN802
CL802
SP802 SPEAKER L-CH
CN801
SP-GND
1
CL801
SP801 SPEAKER R-CH
DRIVE
SP(R)
2
SP-GND
1
SP(L)
2
DRIVE
JK406 HEADPHONE JA
C
K
SPDIF
Q3813
Q3802, Q3809, Q3810
MUTE
DRIVE
Q3812
MUTE
Q3805
MUTE
Q3806
MUTE
Q801, Q802
MUTE
4 6