DOWNLOAD Sharp DV-NC100H Service Manual ↓ Size: 1.52 MB | Pages: 48 in PDF or view online for FREE

Model
DV-NC100H
Pages
48
Size
1.52 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD / 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.
File
dv-nc100h.pdf
Date
PREV: Sharp DV-L88 (serv.man43) Service Manual / Technical Bulletin

Sharp DV-NC100H Service Manual ▷ View online

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
1-11-2
Video Block Diagram
H9741BLV
IIC-B
US SD
A
D
A
VN-L
IIC-B
US SCL
CYLINDER ASSEMBLY
V(R)-1
V-COM
V(L)-1
CN251
1
2
3
 (DECK ASSEMBLY)
VIDEO (R)-1 
HEAD
SP
HEAD
AMP
EP
HEAD
AMP
REC FM
AGC
TO  SERVO/SYSTEM
CONTROL BLOCK 
DIAGRAM
TO SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
RF-SW
D-REC-H
C-ROTA
D-V-SYNC
H-A-SW
H-A-COMP
V-ENV
LUMINANCE
SIGNAL 
PROCESS
CHROMINANCE
SIGNAL 
PROCESS
V-ENV
H-A-COMP
H-A-SW
D-V-SYNC
RF-SW/C-ROTA
VIDEO (L)-1 
HEAD
VIDEO (L)-2 
HEAD
VIDEO (R)-2 
HEAD
V(L)-2
V-COM
V(R)-2
4
5
6
TU701
IC301
(Y/C SIGNAL PROCESS)
REC-VIDEO SIGNAL  
SERIAL
DECORDER
48
50
52
56
24
6
19
20
JK101
V-OUT1
V-IN1
61
63
96
95
94
93
90
89
88
87
CHARA.
INS.
CCD 1H DELAY
SP
BYPASS
MUTE
PB/EE
IN1
TUNER
IN1
TUNER
MUTE
PB/EE
FRT
IN2
FRT
IN2
AGC
P
R
R
Y
C
P
RP
R
P
EP
Y. DELAY
Y/C
MIX
+
21
79
78
AGC
VXO
FBC
1/2
58
59
65
29
28
69
68
46
43
84
83
71
62
70
D-REC-H
80
BUFFER
Q104
DVD
VCR
TP751
V-OUT
WF3
TU-VIDEO
VIDEO
MAIN CBA
54
TP504
RF-SW
WF1
OUTPUT-SELECT
DVD-VIDEO
TO SERVO/SYSTEM 
CONTROL BLOCK DIAGRAM
C-SYNC
C-SYNC
67
IC751
(OUTPUT SELECT)
4
3
5
11
10
9
SW CTL
(TUNER UNIT)
MODE: SP/REC
PB-VIDEO SIGNAL 
DVD VIDEO SIGNAL 
V
-OUT2
8
V
-IN2
8
10
10
JACK-A CBA
19
20
JK1402
V-OUT2
V-IN2
CN2017
CN2018
BUFFER
Q103
JK752
V-IN
TO  DVD  
VIDEO/AUDIO 
BLOCK DIAGRAM
<DVD SECTION>
FR
ONT
TO 
SERVO/SYSTEM 
CONTROL BLOCK 
DIAGRAM
SW CTL
INPUT-SELECT
3
IC1404
(INPUT SELECT)
5
9
4
IC631
(VPS)
VPS-V
IIC-B
US SD
A
IIC-B
US SCL
6
D
A
VN-L
14
7
16
IC501
(OSD)
50
52
OSD
CHARACTER
MIX
TP301
C-PB
WF2
X301
4.43MHz
1-11-3
Audio Block Diagram
H9741BLA
REC
AMP
100
3
AU
T
O
BIAS
2
1
+5V
+5V
Q404
Q406
BIAS
OSC
Q403
N-A-PB
T
O
 Hi-Fi A
UDIO 
BLOCK DIGRAM
N-A-REC
Q401 
(PB=ON)
Q405
SWITCHING
D-REC-OFF
5
EQ
AMP
9
8
7
LINE
AMP
REC-ON
A
U
DIO HD-SW
CONTR
O
L
MUTE
11
6
PB-ON
SP/LP-ON
P
TUNER
IN2
IN1
R
ALC
DET
ALC
IC301
(A
UDIO SIGNAL PR
OCESS)
15
13
17
4
A-PB/REC
CN504
3
A-COM
1
AE-H
2
AE-H/FE-H
AU
D
IO
HEAD
AU
D
IO
ERASE
HEAD
A
C
 HEAD ASSEMBL
Y 
FE HEAD 
2
FE-H
1
FE-H-GND
CN501
MAIN CB
A
PB-AUDIO SIGNAL
REC-AUDIO SIGNAL
Mode : SP/REC
71
A-MUTE-H
IIC-B
US SCL
IIC-B
US SD
A
T
O
 SER
V
O/SYSTEM 
CONTR
OL BLOCK 
DIA
GRAM
FULL
ERASE
HEAD
68
69
SERIAL
DECODER
 (DECK ASSEMBLY)
12
16
INV
AT
T
1-11-4
H9741BLH
Hi-Fi Audio Block Diagram
48
47
61
71
62
70
14
15
78
R-CH
INSEL
L-CH
INSEL
IF SINAL
PROCESS
NOR
SW
SERIAL
DATA
DECODER
OUTPUT
SELECT
VCO
LPF
L-CH
BPF
R-CH
PNR
L-CH
PNR
LIM
DEV
COMP
SW 
NOISE
VCO
LPF
LIM
DEV
COMP
COMP
SW 
NOISE
ENV
DET
DO
DET
MIX
R-CH
BPF
P
R
R
L
P
R
HOLD
PULSE
NOISE
DET
34
33
21
76
77
74
37
38
39
75
73
26
53
24
27
N-A-REC
LIM
80
N-A-PB
Hi-Fi-H-SW
LINE-MUTE
A-MODE
TO AUDIO 
BLOCK DIAGRAM
IIC-BUS SDA
IIC-BUS SCL
TO 
SERVO/ SYSTEM
CONTROL BLOCK
DIAGRAM
TO 
SERVO/ SYSTEM
CONTROL BLOCK
DIAGRAM
MAIN CBA
Hi-Fi-
A(R)
7
Hi-Fi
-COM
8
Hi-Fi-
A(L)
9
CN251
IC451
(MTS/ SAP/ Hi-Fi AUDIO PROCESS/ Hi-Fi HEAD AMP)
REC-AUDIO SIGNAL
PB-AUDIO SIGNAL
Mode : SP/REC
DVD AUDIO SIGNAL
AFV CBA
JK101
A-OUT1(R)
A-OUT1(L)
2
6
2
6
1
3
1
3
JK1402
A-IN2(R)
A-IN2(L)
A-IN1(R)
A-IN1(L)
A-OUT2(R)
A-OUT2(L)
TU-A
UDIO(R)
4
TU-A
UDIO(L)
5
4
5
CN701
CN1
SIF
2
2
CN701
CN1
TU701
(TUNER UNIT)
SIF
AUDIO
22
2
ALC
SW
SW
ALC
67
65
Q451
MUTE-ON
MUTE-ON
REAR
TO DVD VIDEO/AUDIO
BLOCK DIAGRAM
<DVD SECTION>
FRONT
JK751
Q753
Q754
A-OUT(R)
A-OUT(L)
JK754
A-IN(R)
JK753
A-IN(L)
IC751
(OUTPUT SELECT)
TP401
JK1-A-OUT(L)
12
13
14
15
2
1
11
10
9
SW CTL
BUFFER
BUFFER
Q107
Q108
VCR
DVD
VCR
DVD
OUTPUT-SELECT
DVD-A-OUT(R)
DVD-A-OUT(L)
TO DVD AUDIO
BLOCK DIAGRAM
<DVD SECTION>
50
60
58
2
52
56
6
10
4
12
54
8
JACK-A CBA
A-IN2(R)
4
A-IN2(L)
5
4
5
A-OUT2(R)
1
A-OUT2(L)
2
1
2
CN2017
CN2018
Hi-Fi 
AUDIO
(R)  
HEAD
Hi-Fi 
AUDIO
(L)  
HEAD
CYLINDER
ASSEMBLY
 (DECK ASSEMBLY)
A-MUTE(L)
A-MUTE(R)
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