CYLINDER ASSEMBLY
V(L)
V-COM
V(R)
CL253
1
2
3
Video Block Diagram ( Y )
1-10-15
1-10-16
HC268BLV
(DECK ASSEMBLY)
VIDEO (L)
HEAD
HEAD
AMP
REC FM
AGC
TO SERVO/SYSTEM
CONTROL BLOCK
TO SERVO/SYSTEM
CONTROL BLOCK
C-SYNC
RF-SW
D-REC-H
C-ROTA
D-V-SYNC
V-ENV
LUMINANCE
SIGNAL
PROCESS
CHROMINANCE
SIGNAL
PROCESS
C-SYNC
V-ENV
D-V-SYNC
RF-SW/C-ROTA
VIDEO (R)
HEAD
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
JACK CBA
48
50
56
24
6
50
55
52
19
20
JK101
V-OUT1
V-IN1
CL151
CL101
61
96
95
93
94
CHARA.
INS.
CCD 1H DELAY
BYPASS
IN1
TUNER
MUTE
PB/EE
AGC
P
R
R
Y
C
P
R
P R
P
Y. DELAY
Y/C
MIX
+
79
78
AGC
VXO
OSD
CHARACTER
MIX
COLOR
-IN
FBC
1/2
58
59
65
29
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
69
68
46
43
" " = 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
62
70
D-REC-H
80
BUFFER
Q101
TP751
V-OUT
WF1
TP301
X301
4.43MHz
C-PB
WF5
TU-VIDEO
TU-VIDEO
V-IN1
TO
SERVO/SYSTEM
CONTROL BLOCK
VIDEO
BUFFER
Q351
MAIN CBA
VPS CBA
TP502
RF-SW
WF2
OSD-V-IN
I2C BUS-SCL
I2C BUS-SDA
DAVN-L
Comparison Chart of
Models & Marks
Model
Mark
VR530/58
VR630/58
VR330/58
W
X
VR730/58
Y
Z
VRQ45/16
VRQ45/39
AB
VR732/58
VR830/58
AA
VRQ45/58
AC
AD
AE
21
