Philips MDV530VR/17, Руководство по обслуживанию, Страница: 29 / 95

L
R
LUMINANCE
SIGNAL PROCESS
MAIN CBA
Video Block Diagram
VIDEO (R)-1 HEAD
VIDEO (L)-1 HEAD
1-11-3 1-11-4 H9460BLV
(DECK ASSEMBLY)
V(R)-1
V-COM
V(L)-1
CL253
1
2
3
V(L)-2
V-COM
V(R)-2 4
5
6
JK751
V-OUT
Q391
Q760
TU701
VIDEO IN
VCR
DVD
OUTPUT-SELECT
VIDEO OUT
TP751 V-OUT
6
18
JK752
REAR
V-IN
JK753
FRONT
V-IN
V-AGC
TUNER
REAR
IC302 (SW)
FRONT
R P
R
P
SYNC
SEPA
FBC
Y/C
MIX
CCD 1H
DELAY
R
P
DOC YNR Y/C COMB
CHROMINANCE
SIGNAL PROCESS
IC301 (Y/C PROCESS)
REC VIDEO SIGNAL PB VIDEO SIGNAL DVD VIDEO SIGNAL MODE: SP/REC
13
88
89
90
91
42
6dB
AMP
ENV
DET
AGC
AMP
HPF
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
CYLINDER ASSEMBLY
R
L
RF-SW
RF-SW
93
V-ENV
H-A-SW
H-A-COMP
H-A-COMP
TP302
WF2
WF1
VIDEO (L)-2 HEAD
VIDEO (R)-2 HEAD
TP301
C-PB
BUFFER
D-V SYNC
C-SYNC
SW CTL
SP/LP/SLP
SP/LP/SLP
C-ROTA
D-V SYNC
C-ROTA
34
14
71
39
59
73
TRICK-H
TRICK
INSEL/ST-SL
INSEL2
74
45 47 49 44
Q301
BUFFER
WF3
40
38
15
94
82
83
84
85
SP
LP/EP
16
D-REC-H
REC/EE/PB
D-PB-L
11
D-REC-H
IC751 (OUTPUT SELECT)
15
1
2
9 10 11 FROM
SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
DVD-VIDEO
FROM DVD
VIDEO/AUDIO
BLOCK DIAGRAM
<DVD SECTION>
" " = 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.)
TEST POINT INFORMATION
:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.
:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
:USED TO INDICATE A TEST POINT WITH NO TEST PIN.
:USED TO INDICATE A TEST POINT WITH A TEST PIN.
1
3
7
2
OSD CHARACTER
MIX
38
40
IC501 (OSD)
35