Block Diagrams - Sylvania Emerson EWV601A Service Manual

Servo/System Control Block Diagram
(DECK ASSEMBLY)
AC HEAD ASSEMBLY
CL504
CONTROL 5 CTL(+)
HEAD
6 CTL(-)
CYLINDER ASSEMBLY
PG
SENSOR
DRUM
M
MOTOR
M
LOADING
MOTOR
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BLOCK DIAGRAMS

MAIN CBA
IC301 (Y/C PROCESS)
CONTROL
AMP
TP303
CTL
9 23 19 18
TP506 TP505
ST-S T-REEL
Q504
ST-S
SENSOR CBA
Q506
T-REEL
Q503
END-S
SENSOR CBA
CAPSTAN MOTOR
CL502
1 C-F/R
CAPSTAN
M
2 AL+12V
MOTOR
3 AL+12V
4 P-ON+5V
5 GND
6 C-FG
7 C-CONT
8 GND
9 D-FG
10 LM-FWD/REV
11 D-CONT
12 D-PG
1-8-1
IC501
(SERVO/SYSTEM CONTROL)
AL+5V
D555 RS501
S-LED REMOTE
1 REMOCON-IN
SENSOR
54 PB-CTL
REC LED
20 REC-CTL(-)
19 REC-CTL(+)
TIMER LED
SW507
AL+5V
LD-SW
CAS-IN LED
74 LD-SW
VCR/TV LED
75 ST-S
68 END-S
I2C-BUS-CLK
49 T-REEL
I2C-BUS-DATA
Q501
TIMER+5V RESET 34 RESET
Hi-Fi-CLK
Hi-Fi-DATA
AL+5V Hi-Fi-H-SW
VR501
Hi-Fi/NOR-IN
71 PG-DELAY
SW-POINT
ST/SAP-IN
AL+5V 25 REC-SW
SW506 A-MUTE-H
REC SW D-REC-H
48 C-F/R
AL+12V
AL+12V
P-ON+5V
INSEL/ST-SL
51 C-FG
55 C-CONT D-V SYNC
C-ROTA
52 D-FG
59 LM-FWD/REV
56 D-CONT TRICK/C-G/APC
53 D-PG SP/LP/SLP
BLUEBACK-ON
H-A-COMP
PICTURE-SEL
P-DOWN-L
TP502
CL507 CN651
S-INH
3 KEY 2 1
KEY
KEY- 1 72
SWITCH
KEY- 2 73
D595 P-ON
P-ON+9V
D596 REC
83
D597 TIMER
84
D598 CASS
88
D599 VCR/TV
93
TU701(TUNER UNIT)
WF10
10 11 CLOCK
WF11
12 DATA
9
Hi-Fi-CLK
11
Hi-Fi-DATA
12
Hi-Fi-H-SW
18
Hi-Fi-CS
Hi-Fi-CS 8
NORMAL-H
65
ST/SAP-MODE
67
A-MUTE-H
A-MUTE-H
13
D-REC-H
62
D-PB-H
D-REC-H
D-PB-H
D-PB-H 61
INSEL/ST-SL
7
C-SYNC
C-SYNC 21
D-V SYNC
33
V-ENV
V-ENV 70
C-ROTA
15
RF-SW
RF-SW 17
TRICK/C-G/APC
47
SP/LP/SLP
45
BLUEBACK-ON
66
H-A-SW
H-A-SW 16
H-A-COMP
14
PICTURE-SEL
44
P-ON-L
P-ON-L 60
P-DOWN-L
63
1-8-2
FUNCTION CBA
KEY SWITCH
FROM/TO
Hi-Fi AUDIO
BLOCK
TO AUDIO
BLOCK
FROM/TO
VIDEO BLOCK
FROM/TO
POWER
SUPPLY
BLOCK
HB4J0BLS