1-7-7
BLOCK DIAGRAMS
Servo/System Control Block Diagram
T6450BLS
CONTROL
HEAD
CL402
AC
H
E
AD
A
SSE
M
B
LY
M
A
I
N
CBA
KEY-2
RF-SW
ST-SENS.
T-REEL
KEY-1
DV-SYNC
C-SYNC
C-SYNC
V-ENV
REMOTE
CTL(+)
RESET
C-ROTA
REC-SAFETY
A-MUTE-H
SCL
SDA
A-MUTE-H
CTL(-)
RF-SW
DV-SYNC
V-ENV
C-ROTA
END-SENS.
I
C201
(SERVO/SYSTEM CONTROL)
14
94
95
10
4
80
34
18
15
6
13
74
31
20
72
8
7
RS201
REMOTE
SENSOR
CTL AMP-OUT97
AL+5V
D201
S-LED
CTL
TP001
(
D
E
CK
A
SSE
M
B
LY
)
END-SENS.
T-REEL
ST-SENS.
Q202
Q205
Q201
Q204
RESET
TIMER+5V
32
33
47
EXT-L
SP-MUTE
SP-MUTE
44
SW211
REC
SAFETY
TO
VIDEO BLOCK
TO
AUDIO BLOCK
KEY SWITCH
KEY SWITCH
SW201 SW205
SCL
(MEMORY)
SDA
6
5
REC-LED
24
REC-LED
23
P-DOWN-L
85
P-ON-H
P-DOWN-L
P-ON-H
67
D202 REC
AL+5V
LD-SW9
I
2
C-OPEN
45
71
AL+5V
SW212
LD-SW
CS
7
TO POWER
SUPPLY BLOCK
SW206 SW210
SDA
SCL
TO
TV BLOCK
SDA
SCL
I
C202
WF
3
I
2
C-OPEN
M
M
LOADING
MOTOR
C
YLI
ND
E
R
A
SSE
M
B
LY
CA
PST
AN
M
OTO
R
SE
N
SO
R
CBA
(
ST
-
SE
N
SO
R
)
SE
N
SO
R
CBA
(
E
ND
-
SE
N
SO
R
)
DRUM
MOTOR
PG
SENSOR
4C-F/R
1
CM+12V/+20.5V
11AL+12V(1)
2P-ON+5V(3)
6FG-GND
3C-FG
5
C-CONT
10M-GND
7LD-CONT
8D-CONT
9
D-PFG
12VG
CN201
C-FG
C-CONT
D-PFG
C-F/R
90
76
87
78
LD-CONT
81
D-CONT
77
CM+12V/+20.5V
AL+12V(1)
P-ON+5V(3)
M
CAPSTAN
MOTOR
D-REC-H
TRICK-H
SECAM-H
SECAM-H
TRICK-H
D-REC-H
SDA
SCL
42
48
29
EXT-L
SCART-H
SCART-MUTE
SCART-H
SCART-MUTE
D204 STANDBY
2CTL(+)
1CTL(-)
M
+33V
N
OTE FO
R
WI
R
E
C
O
NN
E
C
TO
R
S
:
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.
" " = SMD
S-REEL
PI201
79
S-REEL
G,
J
,
M
C-POWER-SW
C-POWER-SW
66
G,
J
,
M
DAV-L
83
G,
J
DAV-L
1ST-SND-H
21
1ST-SND-H
G,
J
,
M
C
o
m
p
a
r
i
s
on
C
h
a
r
t
o
f
M
od
e
l
s
&
M
a
r
ks
M
od
e
l
M
a
r
k
14PV135/01
14PV235/01
14PV385/39
H
K
J
M
od
e
l
M
a
r
k
14PV135/07
14PV235/07
14PV385/07
E
F
G
I
14PV385/01
14PV135/58
14PV235/58
L
M
[ 14PV135/ ( 01, 07, 58 ), 14PV235/ ( 01, 07, 58 ), 14PV385/ ( 01, 07, 39 ) ]
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