FUNAI DPVR-4604, Service Manual

Page: 22 / 98

1-9-7 1-9-8 H95B0BLH
Hi-Fi Audio Block Diagram
48
47
61 71
62 70
14
15
78
R-CH
INSEL
L-CH
INSEL
IF SINAL
PROCESS
NOR
SW
SERIAL
DATA
DECODER
OUTPUT
SELECT
VCO LPF
L-CH
BPF
R-CH
PNR
L-CH
PNR
LIM DEV
COMP
SW
NOISE
VCO LPF LIM DEV
COMP
COMP
SW
NOISE
ENV
DET DO
DET
MIX
R-CH
BPF
P
R
R
L
P
R
HOLD
PULSE
NOISE
DET
34 33
21
76
77
74
37
38
39
75
73
26
53
24
27
N-A-REC
LIM
80
N-A-PB
Hi-Fi-H-SW
LINE-MUTE
A-MODE
TO AUDIO BLOCK
IIC-BUS SDA
IIC-BUS SCL
TO
SERVO/ SYSTEM
CONTROL BLOCK
Hi-Fi
AUDIO
(R)
HEAD
Hi-Fi
AUDIO
(L)
HEAD
CYLINDER
ASSEMBLY
MAIN CBA
Hi-Fi- A(R) 7
Hi-Fi -COM 8
Hi-Fi- A(L) 9
CL251
IC451 (MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
REC-AUDIO SIGNAL PB-AUDIO SIGNAL Mode : SP/REC DVD AUDIO SIGNAL
AFV CBA
JK101
A-OUT1(R)
A-OUT1(L)
2
6
2
6
1
3
1
3
JK1402
A-IN2(R)
A-IN2(L)
A-IN1(R)
A-IN1(L)
A-OUT2(R)
A-OUT2(L)
TU-AUDIO(R) 4
TU-AUDIO(L) 5
4
5
CN701 CN1 CN701 CN1
TU701
SIF 22
ALC
SW
SW
ALC
67
65
Q451
MUTE-ON
MUTE-ON
REAR
JK751
A-OUT(R)
A-OUT(L)
JK754
A-IN(R)-F
JK753
A-IN(L)-F
IC751 (SW)
13
12
14
15
1
2
11 10 9
SW CTL
Q752
VCR
DVD
VCR
DVD
OUTPUT-SELECT
DVD-A(R)
DVD-A(L)
TO DVD AUDIO
BLOCK
<DVD SECTION>
TO SERVO
/SYSTEM
CONTROL
BLOCK
50
60
58
2
52
56
6
10
4
12
54
8
JACK CBA
A-IN2(R) 4
A-IN2(L) 5
4
5
A-OUT2(R) 1
A-OUT2(L) 2
1
2
CL2017 CL2018
(DECK ASSEMBLY)
SIF
2
2
AUDIO 2
BUFFER
BUFFER
Q107
Q108