Philips VR730/07 - Video Block Diagram

CYLINDER ASSEMBLY
V(R)-1
V-COM
V(L)-1
CL253
1
2
3
Video Block Diagram
1-9-13 1-9-14 HC470BLV
(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
C-SYNC
TRICK-H
RF-SW
D-REC-H
C-ROTA
D-V-SYNC
H-A-SW
H-A-COMP
V-ENV
SECAM-H
LUMINANCE
SIGNAL
PROCESS
CHROMINANCE
SIGNAL
PROCESS
PB-H OUT
C-SYNC
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
IC301
(Y/C SIGNAL PROCESS)
IC501 (OSD)
REC-VIDEO SIGNAL PB-VIDEO SIGNAL MODE: SP/REC
SERIAL
DECORDER
V-OUT1
1
V-IN1
1
3 3
V-OUT2
1
V-IN2 3
1
3
JACK CBA
IC370 (PAL/SECAM DECTECOTR)
PAL/SECAM
DETECTOR
48
50
52
54
56
24
6
50
52
19
20
JK101
V-OUT1
V-IN1
19
20
JK102
CL151
CL152
CL101
CL102
V-OUT2
V-IN2
61
63
96
95
93
94
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
PR
R
Y
C
P
R P R P
EP
Y. DELAY
Y/C
MIX
+
21
7978
AGC VXO
OSD
CHARACTER
MIX
FBC
1/2
58 59
65
252928 44
17
14
18
2
16
29
1
28
IC640 (VPS)
VPS-V
I2C BUS SDA
DAVN-L
I2C BUS SCL
I2C BUS SDA
I2C BUS SCL
6
14
7
16
DAVN-L
69684643
" " = 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.
67
84
83
71
62
70
D-REC-H
80
BUFFER
Q101
BUFFER
Q102
TP751
V-OUT
WF1
TP301
C-PB
WF5
TU-VIDEO
TU-VIDEO
V-IN1TO
SERVO/SYSTEM
CONTROL BLOCK
VIDEO
JK756
V-IN-F
BUFFER
Q351
MAIN CBA
VPS CBA
TP502
RF-SW
WF2
OSD-V-IN
I2C BUS-SCL
I2C BUS-SDA
DAVN-L
55
COLOR
-IN
O,R
O,R
X301
4.43MHz
Comparison Chart of
Models & Marks
Model Mark
VR730/02
VR730/07
VR730/16
L
M
VR730/39
N
O
VR732/02
VR732/16
VR732/39
P
Q
R