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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
TO
V-IN1
SERVO/SYSTEM
TU-VIDEO
CONTROL BLOCK
TU701
VIDEO
6
TU-VIDEO
24
JK756
V-IN-F
JACK CBA
JK101
CL101
CL151
Q101
V-OUT1
19
1
V-OUT1
1
BUFFER
20
3
V-IN1
3
V-IN1
JK102
CL102
CL152
Q102
V-OUT2
19
1
V-OUT2
1
BUFFER
20
3
V-IN2
3
V-IN2
1-9-13
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
V
IC301
(Y/C SIGNAL PROCESS)
65
BUFFER
TUNER
48
BYPASS
IN1
50
IN2
52
FRT
54
56
CHARA.
IN2
INS.
FRT
PB/EE
MUTE
TUNER
IN1
PB/EE
MUTE
FBC
WF1
TP751
V-OUT
R
61
AGC
63
58
59
REC-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
SIGNAL
PROCESS
AGC
Y
CCD 1H DELAY
REC FM
+
AGC
1/2
C
CHROMINANCE
SIGNAL
PROCESS
R
P R
P
Y/C
MIX
P
VXO
28
29
25
21
TP301
X301
4.43MHz
C-PB
WF5
PB-VIDEO SIGNAL
MODE: SP/REC
VPS CBA
IC640 (VPS)
14
DAVN-L
6
I2C BUS SDA
7
I2C BUS SCL
16
VPS-V
CL253
96
V(R)-1
SP
SP
95
V-COM
HEAD
V(L)-1
93
AMP
EP
94
V(L)-2
V-COM
V(R)-2
90
EP
89
HEAD
88
AMP
WF2
87
TP502
RF-SW
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
PB-H OUT
IC370 (PAL/SECAM DECTECOTR)
44
28
1
29
PAL/SECAM
17
DETECTOR
14
18
2
16
1-9-14
Comparison Chart of
Models & Marks
Model
Mark
VR830/02
S
VR830/07
T
VR830/16
U
VR830/39
V
(DECK ASSEMBLY)
CYLINDER ASSEMBLY
1
VIDEO (R)-1
HEAD
2
3
VIDEO (L)-1
HEAD
4
5
VIDEO (L)-2
6
HEAD
VIDEO (R)-2
HEAD
TO SERVO/SYSTEM
CONTROL BLOCK
V
HC480BLV
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