1-7-2
T6552BLV
Video Block Diagram
CYLINDER ASSEMBLY
V(R)
V-COM
V(L)
CL401
1
2
3
(DECK ASSEMBLY)
VIDEO (R)
HEAD
TO SERVO/SYSTEM
CONTROL BLOCK
TO
SERVO/SYSTEM
CONTROL BLOCK
C-SYNC
TRICK-H
RF-SW
D-REC-H
C-ROTA
DV-SYNC
V-ENV
SECAM-H
VIDEO (L)
HEAD
IC401
(VIDEO/AUDIO SIGNAL PROCESS)
REC-VIDEO SIGNAL PB-VIDEO SIGNAL MODE: SP/REC
IC471
(PAL/SECAM DECTECOTR)
P
AL/SECAM
DETECT
OR
48
52
54
56
61
63
96
95
93
94
21
79
78
58
59
65
29
28
44
17
12
2
16
29
1
28
69
68
46
43
67
84
62
70
80
TP003
V-OUT
WF5
TP008
C-PB
WF6
MAIN CBA
TP002
RF-SW
WF1
14
X401
4.43MHz
17
Q703
JK701
V-IN
VIDEO OUT
TU001
20
BUFFER
BUFFER
Q401
TP010
GND
TO
TV BLOCK
VIDEO
TU1-VIDEO
TO
TV BLOCK
C-VIDEO
JK703
V-IN
V-OUT
19
WF4
WF2
D
SP
HEAD
AMP
REC FM
AGC
LUMINANCE
SIGNAL
PROCESS
CHROMINANCE
SIGNAL
PROCESS
PB-H OUT
C-SYNC
V-ENV
D-V-SYNC
RF-SW/C-ROTA
SERIAL
DECORDER
CHARA.
INS.
CCD 1H DELAY
BYPASS
TUNER
MUTE
PB/EE
LINE
SCART
LINE
SCART
AGC
P
R
R
Y
C
P
RP
R
P
Y. DELAY
Y/C
MIX
+
AGC
VXO
FBC
1/2
D-REC-H
" " = SMD
NO
TE FOR
WIRE CONNECT
ORS:
1.
PREFIX SYMBOL "CN" MEANS CONNECT
OR.
(CAN DISCONNECT AND RECONNECT
.)
2.
PREFIX SYMBOL "CL" MEANS
WIRE-SOLDER
HOLES OF
THE PCB
.
(WIRE IS SOLDERED DIRECTL
Y
.)
TEST POINT INFORMA
TION
:INDICA
TES A
TEST POINT
WITH A JUMPER
WIRE A
CR
OSS A HOLE IN
THE PCB
.
:USED
T
O INDICA
TE A
TEST POINT
WITH A COMPONENT LEAD ON FOIL SIDE.
:USED
T
O INDICA
TE A
TEST POINT
WITH NO
TEST PIN.
:USED
T
O INDICA
TE A
TEST POINT
WITH A
TEST PIN.
SD
A
SCL
Comparison Char
t of
Models & Marks
Model
Mark
21PV385/07
21PV385/01
21PV385/58
21PV385/39
A
B
C
D
MUTE
PB/EE
TUNER