Video Block Diagram - Philips VR730/02 Service Manual

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.)
MAIN CBA
Q351
BUFFER
TO V-IN1
SERVO/SYSTEM
TU-VIDEO
CONTROL BLOCK
TU701
VIDEO 6
TU-VIDEO 24
JK756
V-IN-F
JACK CBA
TP751
JK101 CL101 CL151
Q101
1 1
V-OUT1 19 BUFFER V-OUT1
3 V-IN1 3
20
V-IN1
JK102 CL102 CL152
Q102
V-OUT2 19 BUFFER 1 V-OUT2 1
20 3 V-IN2 3
V-IN2
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)
TO SERVO/SYSTEM
CONTROL BLOCK
OSD
50
CHARACTER
52
MIX COLOR
55
-IN
O,R
IC301
(Y/C SIGNAL PROCESS) 65
TUNER
48 BYPASS AGC
IN1
50
IN2
52
FRT
54
56 IN2 CHARA.
INS.
FRT
PB/EE
1/2
MUTE
TUNER
IN1
PB/EE
MUTE
FBC
WF1
V-OUT
R P
61
AGC
63
58 59
1-9-13
REC-VIDEO SIGNAL PB-VIDEO SIGNAL
DAVN-L
DAVN-L
I2C BUS SDA
I2C BUS-SDA
I2C BUS SCL
I2C BUS-SCL
OSD-V-IN
43 46 68 69 78 79
SERIAL
Y. DELAY
DECORDER
R P
LUMINANCE SP
SIGNAL
PROCESS
EP
Y
CCD 1H DELAY
REC FM
+
AGC
C
CHROMINANCE
SIGNAL
PROCESS
R P R P
RF-SW/C-ROTA
D-V-SYNC
Y/C
MIX
H-A-COMP
VXO
PB-H OUT
28 29 25 21 44
TP301
X301
4.43MHz C-PB
WF5
Comparison Chart of
Models & Marks
MODE: SP/REC
VPS CBA
IC640 (VPS)
14 DAVN-L
6 I2C BUS SDA
7 I2C BUS SCL
16 VPS-V
(DECK ASSEMBLY)
CYLINDER ASSEMBLY
CL253
96 V(R)-1 1
SP
95 V-COM 2
HEAD
93 V(L)-1 3
AMP
94
V(L)-2 4
V-COM 5
V(R)-2
6
90
EP
89
HEAD
88
AMP
WF2
87
TP502
RF-SW
D-REC-H
D-REC-H 80
RF-SW
C-ROTA
70
D-V-SYNC
62
H-A-SW
H-A-SW 71
TO SERVO/SYSTEM
H-A-COMP
CONTROL BLOCK
83
V-ENV
V-ENV 84
C-SYNC
C-SYNC 67
TRICK-H
SECAM-H
IC370 (PAL/SECAM DECTECOTR)
28
1
29
PAL/SECAM
17
DETECTOR
14
18
2
16
1-9-14
Model Mark
VR730/02 L
VR730/07 M
VR730/16 N
VR730/39 O
VR732/02 P
VR732/16 Q
VR732/39 R
VIDEO (R)-1
HEAD
VIDEO (L)-1
HEAD
VIDEO (L)-2
HEAD
VIDEO (R)-2
HEAD
O,R
HC470BLV