FUNAI 29D-850, Service Manual

Page: 19 / 53

1-9-2
Video Block Diagram
HK4F8BLV
CYLINDER ASSEMBLY
VIDEO(R)-1 VIDEO-COM
VIDEO(L)-1
CN253
1 2 3
(DECK ASSEMBLY)
VIDEO (R)-1 HEAD
SP HEAD AMP EP HEAD AMP
REC FM AGC
FROM/TO SERVO/SYSTEM CONTROL BLOCK
FROM SERVO/SYSTEM CONTROL BLOCK
C-SYNC
RF-SW
D-REC-H
C-ROTA
D-V-SYNC
H-A-SW
H-A-COMP
V-ENV
LUMINANCE SIGNAL PROCESS
CHROMINANCE SIGNAL PROCESS
C-SYNC
V-ENV
H-A-COMP
H-A-SW
D-V-SYNC
C-ROTA/RF-SW
VIDEO (L)-1 HEAD
VIDEO (L)-2 HEAD
VIDEO (R)-2 HEAD
VIDEO(L)-2
VIDEO-COM VIDEO(R)-2
4 5 6
TU701(TUNER UNIT)
IC301 (Y/C SIGNAL PROCESS)
IC501
(OSD)
REC-VIDEO SIGNAL PB-VIDEO SIGNAL MODE: SP/REC
SERIAL
DECORDER
VIDEO-OUT1
1
VIDEO-IN1
1 33
VIDEO-OUT2
1
VIDEO-IN2
3
1 3
JACK CBA
48 50 52 54 56
24
6
50 55
52
19 20
JK101
VIDEO -OUT1 VIDEO -IN1
19 20
JK102
CN151 CN152
CN101 CN102
VIDEO -OUT2 VIDEO -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
P
R
R Y C
P
RP
R
P
EP
Y. DELAY
Y/C MIX
+
21 79
78
AGC
VXO
OSD CHARACTER MIX
COLOR -IN
FBC
1/2
58
59 65
29
28
IIC-B
US SD
A
IIC-B
US SCL
69
68
46
43
67 84 83 71 62 70
D-REC-H
80
BUFFER
Q101
BUFFER
Q102
J23
V-OUT
WF1
TP301
X301
4.433619MHz
C-PB
WF3
VIDEO OUT
VIDEO IN
BUFFER
Q351
MAIN CBA
TP502
RF-SW
WF2
JK756 VIDEO -IN
FR
ONT