Philips DVD740VR, Руководство по обслуживанию, Страница: 32 / 107

Hi-Fi Audio Block Diagram
H9330BLH 1-10-7 1-10-8
48
47
13
14
6
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
31 30
23
80
1
78
38
39
40
79
77
26
24
27
N-A-REC
LIM
4
N-A-PB
Hi-Fi-H-SW
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
FRONT JACK 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-IN1(R)
A-IN1(L)
2
6
2
6
1
3
1
3
JK102
A-IN2(R)
A-IN2(L)
A-OUT1(R)
A-OUT1(L)
A-OUT2(R)
A-OUT2(L)
TU-AUDIO(R) 4
TU-AUDIO(L) 5
4
5
CN701
CN505
CN1
SIF
2 2
CN701
CN651
CN1
TU701
SIF
AUDIO
22
2
D.C.
ALC
SW
SW
ALC
D.C.
76
75
Q451
MUTE-ON
MUTE-ON
REAR
JK751
A-OUT(R)
A-OUT(L)
JK651
A-IN(R)-F
JK652
A-IN(L)-F
IC751 (SW)
12
13
14
15
2
1
11 10 9
SW CTL
BUFFER
BUFFER
Q101
Q102
Q752
VCR
DVD
VCR
DVD
A-IN(L)-F 9 9
A-IN(R)-F 10 10
OUTPUT SELECT
DVD-A(R)
DVD-A(L)
TO DVD AUDIO
BLOCK
<DVD SECTION>
TO SYSTEM
CONTROL
BLOCK
51
65
67
69
73
7
11
53
71
9
" " = SMD
NOTE FOR WIRE CONNECTORS:
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
(CAN DISCONNECT AND RECONNECT.)
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER
HOLES OF THE PCB.
(WIRE IS SOLDERED DIRECTLY.)