Block Diagrams - Emerson SC319C Service Manual

Servo/System Control Block Diagram
(DECK ASSEMBLY )
AC HEAD ASSEMBLY
CONTROL 5 CTL(+)
HEAD
6 CTL(-)
CYLINDER ASSEMBLY
PG
SENSOR
DRUM
M
MOTOR
M
LOADING
MOTOR
MAIN CBA
CL402
5
6
Q202 Q201
ST-SENS. END-SENS.
SENSOR CBA SENSOR CBA
(ST-SENSOR) (END-SENSOR)
CAPSTAN MOTOR
C-F/R
CAPSTAN
M
AL+12V
MOTOR
D/L+12V
P-ON+5V
GND
C-FG
C-CONT
GND
D-FG
LD-CONT
D-CONT
D-PG
1-8-1

BLOCK DIAGRAMS

IC201
(SERVO/SYSTEM CONTROL)
AL+5V
D203
RS201
S-LED
REMOTE
14 REMOTE
SENSOR
WF3
J116
CTL 97 CTL AMP-OUT
95 CTL(+)
94 CTL(-)
SW212
AL+5V
LD-SW
1 LD-SW
9 ST-SENS.
7 END-SENS.
80 T-REEL
Q206
T-REEL
Q205
TIMER+5V RESET 34 RESET
CN201
66 C-F/R
1
2 AL+12V
3 D/L+12V
P-ON+5V
4
5
6 87 C-FG
7 76 C-CONT
8
9 89 D-FG
10 82 LD-CONT
11 77 D-CONT
12 90 D-PG
SW201 SW205
KEY
KEY 0 5
SWITCH
SW206 SW210
KEY
KEY 1
6
SWITCH
P-ON-H
P-ON-H 31
P-DOWN
P-DOWN 84
D204 REC
REC LED 23
REC LED 22
SCL 71 6
SDA 72 5
2
I C-OPEN 45 7
SP-MUTE 12
A-MUTE 65
D-REC-H 44
EXT-H/INSEL
REC-SAFETY 33
SW211
REC
SAFETY
REC/EE/PB 27
C-SYNC 74
DV-SYNC 13
V-ENV 10
ROTA
15
RF-SW 18
TAPE-SPEED
TAPE-SPEED 28
EXT-H/INSEL
EXT-H/INSEL 29
RENTAL 30
SPL-PLAY 32
1-8-2
TO POWER
SUPPLY BLOCK
AL+5V
IC202 (MEMORY)
SCL
SDA
CS
SCL
TO CHROMA
SDA
/TUNER
2
I C-OPEN BLOCK
SCL
SDA
SP-MUTE
TO AUDIO
A-MUTE
BLOCK
D-REC-H
REC/EE/PB
C-SYNC
DV-SYNC
V-ENV
ROTA
TO VIDEO
RF-SW
BLOCK
RENTAL
SPL-PLAY
T7300BLS