DV-NC100H. Cover, Contents, , Laser beam safety precautions, Important safeguards and precautions, Standard notes for servicing, Preparation for servicing, Operating controls and functions, Cabinet disassembly instructions, Electrical adjustment instructions, Firmware renewal mode, Troubleshooting, Block diagrams, Function indicator symbols, Main Schematic diagram 1 9. - Sharp DVD Service Manual (repair manual). Page 37

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1-11-1
Servo/System Control Block Diagram
H9741BLS
BLOCK DIAGRAMS <VCR SECTION>
M
LOADING
MOTOR
CAPSTAN MOTOR 
CONTR
OL
HEAD
AC HEAD 
ASSEMBLY
MAIN CBA
KEY- 1
ST-S
T-REEL
REMOTE-VIDEO
CTL(+)
RESET
REC-SAF-SW
PG-DELAY
CTL(-)
D-V-SYNC
D-REC-H
RF-SW
H-A-SW
C-ROTA
END-S
14
94
95
10
4
80
34
2
13
15
18
33
16
31
(DECK ASSEMBLY)
T-REEL
Q515
RESET
Q506
S-REEL
79
SW-POINT
AL+5V
VR501
TIMER+5V
S-REEL
PS502
TP502
KEY- 2
8
IIC-BUS SDA
IIC-BUS SDA
IIC-BUS SCL
A-MUTE-H
IIC-BUS SDA
IIC-BUS SCL
Hi-Fi-H-SW
A-MODE
OUTPUT SELECT
A-MUTE-H
Hi-Fi-H-SW
A-MODE
H-A-COMP
17
V-ENV
6
P-ON-H
P-ON-H
P-DOWN-L
67
86
P-DOWN-L
OUTPUT-SELECT
SW506
TO VIDEO 
BLOCK DIAGRAM
TO Hi-Fi AUDIO
BLOCK DIAGRAM
TO AUDIO 
BLOCK DIAGRAM
SDA
SCL
IC502 
(MEMORY) 
72
32
19
83
IIC-BUS SCL
D-V-SYNC
D-REC-H
RF-SW
H-A-SW
C-ROTA
IIC-BUS SDA
H-A-COMP
V-ENV
DVD-POWER
58
C-SYNC
C-SYNC
56
DAVN-L
DAVN-L
OUTPUT-SELECT
IIC-BUS SCL
71
LD-SW
REMOTE-VIDEO
9
AL+5V
AL+5V
SW507
LD-SW
AL+5V
D555
S-LED
TO POWER 
SUPPLY BLOCK 
DIAGRAM
TP501
SENS-INH
CAPSTAN
MOTOR
IC501
(SERVO/SYSTEM CONTROL)
LINE-MUTE
LINE-MUTE
28
5
6
SENSOR CBA
SENSOR CBA
END-S
ST-S
Q504
Q503
REC-SAFETY
END-S
CTL
97
TP503
CTL
82
TO DVD SYSTEM 
CONTROL BLOCK 
DIAGRAM
<DVD SECTION>
TO DVD SYSTEM 
CONTROL BLOCK 
DIAGRAM
<DVD SECTION>
CN502
C-FG
C-CONT
D-PFG
C-F/R
90
76
87
78
LM-FWD/REV
81
D-CONT
77
AL+12V
AL+12V(2)  
P-ON+15V
P-ON+5V
1
AL+12V
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(2)
12
P-ON+15V
M
DRV-DATA
DRV-STB
DRV-CLK
DISPLAY-DATA
DISPLAY-STB
DISPLAY-CLK
68
69
21
70
DVD-LED
VCR-LED
Q508
Q509
29
30
D503
VCR
D502
DVD
AL+5V
POWER-LED
KEY SWITCH
CN504
CL504
2
CTL(+)
1
CTL(-)
INPUT-SELECT
INPUT-SELECT
41
DVD-POWER
7
11
KEY-1
33
POWER-LED
CN509
D651
CN508
AL+5V
POWER SW CBA
Q507
23
POWER
SW651
POWER
KEY SWITCH
REC-LED
TIMER-LED
26
25
Q511
D504
REC
Q502
D501
TIMER
SW511
RESET
CYLINDER ASSEMBLY
DRUM
MOTOR
PG
SENSOR
M
OUTPUT SELECT
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