Emerson EWH100F, Service Manual, Page: 27 / 91

1-12-1
BLOCK DIAGRAMS
Servo/System Control Block Diagram
E4340BLS
M
LOADING MOTOR
CONTR
OL
HEAD
CN4502
CN4504
KEY- 2
S-CS
S-CLOCK
S-DATA-IN
S-DATA-OUT
S-CS
S-CLOCK
S-DATA-IN
S-DATA-OUT
RF-SW
C-FG C-CONT D-PFG ST-S T-REEL C-F/R
KEY- 1
D-V SYNC
C-SYNC
V-ENV
DISPLAY-ENA CTL(+) RESET
C-ROTA
D-REC-H
D-REC-H
REC- SAF-SW PG-DELAY
AUDIO-MUTE-H
AUDIO-MUTE-H AUDIO-MUTE-H
RF-SW
D-V SYNC
C-SYNC
V-ENV
C-ROTA
END-S
IC4501 (SERVO/SYSTEM CONTROL)
9
47 56
CTL
58
CTL(-)
57 28 49 69 62
3
20
27 65
18 78 64 19 41
2
24 26 66 67
LM-FWD/REV
21
D-CONT
29
END-S
T-REEL
T-REEL
ST-S
ST-S
Q504 Q503
Q4501,Q4502
RESET
Q4506
SW-POINT
AL+5V
VR4501
AL+5V
TP4506
TP4505 TP4508
END-S TP4507
P-ON-L
22
P-ON-L
H-A-SW
79
H-A-SW
H-A-COMP
80
H-A-COMP
YCA-SCL
YCA-SDA
YCA-CS
YCA-SCL
14
YCA-SDA
15
YCA-CS
16
YCA-SCL
YCA-SDA
YCA-CS
SW4511
REC SW
D4564
VCR-REC
AL+5V
Q4561
LD-SW
68
AL+12V(CAP)
AL+5V
VCR-REC-LED
72
AL+5V
SW4512
AL+12V AL+18V
P-ON+5V
LD-SW
AL+5V
RM4501
D4555 S-LED
IIC-BUS SCL
IIC-BUS SDA
12 13
IIC-BUS SCL
IIC-BUS SDA
NORMAL-L
59
Hi-Fi-H-SW
Hi-Fi/NOR-IN
Hi-Fi-H-SW
25
BUFFER
KEY SWITCH
TP4502
Q4508
BUFFER
Q4509
BUFFER
Q4510
S-INH
5
CTL(+)
6
CTL(-)
1
AL+12V(CAP)
2
P-ON+5V
3
C-FG
4
C-F/R
5
C-CONT
6
GND
7
LM-FWD/REV
8
D-CONT
9
D-PFG
10
GND
11
AL+12V
12
AL+18V
TP4513
CTL
FL-STB
DISPLAY-DATA
10
FL-SDA
DISPLAY-CLK
11
7
8
6 1
FL-SCL
REMOTE-VIDEO
FL4502
IC4571
(VFD DRIVER)
CLK DIN STB
5
1
28
2
REMOTE-HDD/DVD
DRUM MOTOR
PG SENSOR
M
M
CAPSTAN MOTOR
MOTOR DRIVE CIRCUIT
REMOTE SENSOR
VFD
GRID
SEGMENT
1G
7G
~
23 17
~
a
h i
~
7
14
~
16
SENSOR CBA SENSOR CBA
CAPSTAN MOTOR
ACE HEAD ASSEMBLY
(DECK ASSEMBLY)
CYLINDER ASSEMBLY
TO SUB SYSTEM CONTROL BLOCK DIAGRAM
TO POWER SUPPLY BLOCK DIAGRAM
AV CBA
TO VIDEO BLOCK DIAGRAM TO AUDIO BLOCK DIAGRAM TO Hi-Fi AUDIO BLOCK DIAGRAM
TO SUB SYSTEM CONTROL BLOCK DIAGRAM