Video Block Diagram - FUNAI 25A-664 Service Manual

Video Block Diagram

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 1 1
19 BUFFER V-OUT1
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
1-7-3
IC501 (OSD)
TO SERVO/SYSTEM
CONTROL BLOCK
OSD
50
CHARACTER
52
MIX
IC301
BUFFER (Y/C SIGNAL PROCESS) 65
TUNER
48 BYPASS AGC
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
IIC BUS SDA
IIC BUS-SDA
IIC BUS SCL
IIC BUS-SCL
OSD-V-IN
43 46 68 69 78 79
SERIAL
Y. DELAY DECORDER
R P
LUMINANCE
SIGNAL
PROCESS
Y
CCD 1H DELAY
REC FM
+
AGC
1/2
C
CHROMINANCE
SIGNAL
PROCESS
R P R P
Y/C
MIX
P
VXO
28 29 21
TP301
X301
4.43MHz C-PB
WF5
PB-VIDEO SIGNAL MODE: SP/REC
VPS CBA
IC640 (VPS)
14 DAVN-L
IIC BUS SDA
6
7 IIC BUS SCL
16 VPS-V
(DECK ASSEMBLY)
CL253
96
V(R)-1 1
SP SP
95 V-COM 2
HEAD
93 V(L)-1 3
AMP
EP
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
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
1-7-4
CYLINDER ASSEMBLY
VIDEO (R)-1
HEAD
VIDEO (L)-1
HEAD
VIDEO (L)-2
HEAD
VIDEO (R)-2
HEAD
TO SERVO/SYSTEM
CONTROL BLOCK
HC4S4BLV