Philips DVD740VR, Руководство по обслуживанию, Страница: 30 / 107

Video Block Diagram
1-10-3 1-10-4 H9330BLV
IIC-BUS SDA
IIC-BUS SCL
CYLINDER ASSEMBLY
V(R)-1
V-COM
V(L)-1
CL251
1
2
3
(DECK ASSEMBLY)
VIDEO (R)-1
HEAD
SP
HEAD
AMP
EP
HEAD
AMP
REC FM
AGC
TO SERVO/SYSTEM
CONTROL BLOCK
TO SERVO/SYSTEM
CONTROL BLOCK
RF-SW
D-REC-H
C-ROTA
D-V-SYNC
H-A-SW
H-A-COMP
V-ENV
LUMINANCE
SIGNAL
PROCESS
CHROMINANCE
SIGNAL
PROCESS
V-ENV
H-A-COMP
H-A-SW
D-V-SYNC
RF-SW/C-ROTA
VIDEO (L)-1
HEAD
VIDEO (L)-2
HEAD
VIDEO (R)-2
HEAD
V(L)-2
V-COM
V(R)-2
4
5
6
TU701
CN651 CN505
IC301
(Y/C SIGNAL PROCESS)
IC501 (OSD)
REC-VIDEO SIGNAL
SERIAL
DECORDER
48
50
52
56
24
6
50
52
19
20
JK101
V-OUT1
V-IN1
19
20
11
15
7
JK102
V-OUT2
V-IN2
61
63
96
95
94
93
90
89
88
87
CHARA.
INS.
CCD 1H DELAY
SP
BYPASS
MUTE
PB/EE
IN1
TUNER
IN1
TUNER
MUTE
PB/EE
FRT
IN2
FRT
IN2
AGC
P R
R
Y
C
P
R P R P
EP
Y. DELAY
Y/C
MIX
+
21
79 78
AGC VXO
OSD
CHARACTER
MIX
FBC
1/2
58 59
65
29 28
69 68 46 43
84
83
71
62
70
D-REC-H 80
BUFFER
Q104
BUFFER
Q103
DVD
VCR
TP751
V-OUT
WF1
TU-VIDEO
VIDEO
BUFFER
Q301
MAIN CBA
FRONT JACK CBA
54
TP504
RF-SW
WF2
X301
4.43MHz
JK653
V-IN-F
DAVN-L
IC751 (SW)
4
3
5
11 10 9
SW CTL
V-IN-F 7 7
Q752
R
G
B
JK101
IC631 (VPS)
VPS-V
IIC-BUS SDA
DAVN-L
IIC-BUS SCL
6
14
7
16
MODE: SP/REC PB-VIDEO SIGNAL DVD VIDEO SIGNAL
DVD-R
DVD-G
DVD-B
FROM DVD VIDEO BLOCK
<DVD SECTION>
TP301
C-PB
WF3
OUTPUT SELECT
TO SERVO/SYSTEM
CONTROL BLOCK
DVD-VIDEO FROM DVD
VIDEO BLOCK
" " = 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.