Philips DVD757VR /00 Service Manual page 27

Video Block Diagram
NOTE FOR WIRE CONNECTORS:
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
(CAN DISCONNECT AND RECONNECT.)
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER
" " = SMD HOLES OF THE PCB.
(WIRE IS SOLDERED DIRECTLY.)
IC631 (VPS)
DAVN-L 14
IIC-BUS SDA 6
IIC-BUS SCL 7
VPS-V 16
TU701
A,B
VIDEO 6
TU-VIDEO 24
TO TU-VIDEO
SERVO/SYSTEM
V-IN1
CONTROL BLOCK
IC1404 (SW)
5
JK752
4
V-IN-F 3
SW CTL
9
TO SERVO
/SYSTEM
INPUT-SELECT
CONTROL
BLOCK
TO DVD VIDEO
DVD-VIDEO
/AUDIO BLOCK
<DVD SECTION>
JK101
V-OUT1 19
20
V-IN1
JK1402 CL2018
CL2017
V-OUT2 19 8 V-OUT2 8
BUFFER
10 V-IN2 10
20 Q103
V-IN2
Q104
JACK CBA
BUFFER
IC751 (SW)
4
1-10-3
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.
IC501 (OSD)
Q301
OSD
50
52 CHARACTER
BUFFER
MIX
IC301
(Y/C SIGNAL PROCESS) 65
DECORDER
TUNER
48
BYPASS AGC
IN1
50
IN2
52
FRT
54
56
IN2
FRT
PB/EE
MUTE CHARA.
INS.
TUNER
IN1
PB/EE
MUTE
FBC
R P
61
AGC
63
58 59
DVD
5
VCR
3
TP751
SW CTL V-OUT
WF3
9 10 11
Q752
OUTPUT-SELECT
TO SERVO/SYSTEM
CONTROL BLOCK
REC-VIDEO SIGNAL PB-VIDEO SIGNAL
DAVN-L
IIC-BUS SDA
TO SERVO/SYSTEM
CONTROL BLOCK
IIC-BUS SCL
68 69 46 43 78 79
SERIAL
Y. DELAY
R P
LUMINANCE
SIGNAL
PROCESS
CCD 1H DELAY
Y
REC FM
+
1/2 AGC
C
CHROMINANCE
SIGNAL
PROCESS
R P
R P
Y/C
MIX
VXO
PB-H OUT
28 29 25 21 44
TP301
C-PB
X301
4.43MHz
WF2
DVD VIDEO SIGNAL MODE: SP/REC
MAIN CBA
CL251
V(R)-1
96
V-COM
SP
SP
95
V(L)-1
HEAD
94
AMP
EP V(L)-2
93
V-COM
V(R)-2
90
WF1
EP
89
HEAD TP504
88
AMP
RF-SW
87
D-REC-H
D-REC-H 80
RF-SW
C-ROTA
RF-SW/C-ROTA
70
D-V-SYNC
D-V-SYNC 62
H-A-SW
H-A-SW 71
H-A-COMP
H-A-COMP 83
V-ENV
V-ENV 84
C-SYNC
C-SYNC 67
TRICK-H
SECAM-H
IC370 (PAL/SECAM DECTECTOR)
28
1
29
PAL/SECAM
17
DETECTOR
14
18
2
16
1-10-4
Comparison Chart of
Models & Marks
Model Mark
DVD757VR/00 A
DVD757VR/05 B
DVD757VR/02 C
(DECK ASSEMBLY)
CYLINDER ASSEMBLY
1
VIDEO (R)-1
HEAD
2
3
VIDEO (L)-1
HEAD
4
5
VIDEO (L)-2
HEAD
6
VIDEO (R)-2
HEAD
TO SERVO/SYSTEM
CONTROL BLOCK
C
H9520BLV