Audio Circuit Block Diagram - Hitachi DV-RV8500E/UK Service Manual

1 2
B-3 AUDIO Circuit Block Diagram
1) LINEAR AUDIO PB MODE
F
IC301
HA118725
R/P HEAD
96
PRE
N.A.IN VCA
6
AMP
95
E
EQ
94
SP ON
73 74
DATA
D
From SYSTEM
CLOCK
2) LINEAR AUDIO REC MODE
C
TDA9605
IC751
TU701
TUNER NICAM/A2
S-IF ANA
L
16 2 30 2
MIX
OUT
IN
MONO
AUDIO
3
15 43 R 31
OUT IN
B
5
DVD 'R'
4
DVD 'L'
L
AV3 'R' 10
R
AV3 'L' 11
AV2 'R' 9
8
AV2 'L'
AV1 'R' 7
AV1 'L' 6
A
1 2
3
IC801
TDA9605
SC901
AV2 A. OUT (L)
19 24
22
AV2
AV2 A. OUT (R)
20 22
OUTPUT
SELECTOR
VCR A (L)
16
To
VCR A (R) PMD02
17
IC801 IC301
HA118725
MONO
AUDIO
OUT
21 2
VCA DET
22 6 R/P HEAD
REC
98
AMP
SC901
AV2 A. OUT (L)
OUTPUT
19 24
SELECT
AV2
AV2 A. OUT (R)
20 22
VCR A (L)
16
To
VCR A (R) PMD02
17
3
4 5
3) Hi-Fi AUDIO PB MODE
IC801
TDA9605
Hi-Fi
PB-A
Lch AUDIO
35
BPF LIMIT
L
FM
LIM
Hi-Fi
H
PB-B
Rch AUDIO
37
BPF LIMIT
VCR
4) Hi-Fi AUDIO REC MODE
IC751
TU701
TUNER NICAM/A2
S-IF ANA
16 2 L 30
OUT
IN
MONO
AUDIO
15 43 R 31
OUT IN
SC901
2
R
AV1
6
L
23
L
AV2
27
R
DVD
AUDIO(L)
FRONT
15
AV3 (L)
FRONT
10
AV3 (R)
DVD
AUDIO(R)
VDR
4 5
B - 3
6 7
IC802
MM1443
AV2-R 14 E2-R 21
AV2-L 8 E2-L 25
6 12
A.MUTE
Q903
PMD02 PMD02
L
19
23
L
57
AUDIO
R 21 PROCESS
25
R
53
Q911
L R
19 20
BGA
Q912
308P
1
PMD01
VDR
IC801
TDA9605
2
3
AUDIO REC
7
L
PNR VCO
LIMIT
LPF
6
36
MIX
8
9
AUDIO REC
R PNR VCO
LIMIT
LPF
4
2
VCR
6 7
8
F
TU701
Q702/Q703
MIX 2 AUDIO
1
SC901
AV1
3
A.MUTE
Q902 E
JK901
AUDIO
OUT
A.MUTE
JK901
COAXIAL
JK902
OPTICAL
D
SC901
24
AV2
22
C
Hi-Fi
REC-A
B
Hi-Fi
REC-B
A
8