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Popular Sharp DV-NC70U Manual Pages
Service Manual - Page 1
...
SERVICE MANUAL
S62K3DV-NC70U
VCR/DVD COMBINATION MODEL
DV-NC70U
VCR/DVD SELECTOR
TIMER VCR DVD
PLAY STOP OPEN/CLOSE
DV-NC70C
MODELS DV-NC72U
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to change without notice. MAINTENANCE CHECK ITEMS AND EXECUTION TIME 9 6. REPLACEMENT...
Service Manual - Page 2
...model to make certain that leads are important operating and maintenance instructions in the VCR/DVD combination model...cause dangerous electric shocks. DV-NC70U/C DV-NC72U
1. IMPORTANT SERVICE NOTES
BEFORE RETURNING THE VCR/DVD COMBINATION MODEL
Before returning the video...exposed metal part having a return path to the user, perform the following manner. Any reading of fire, replace only with...
Service Manual - Page 4
...8226; EZ Set Up (Auto Channel/Clock Set Up) • S-VHS Quasi Playback • 19µ Clear Picture System (in EP mode) • Simple Recording Timer • Sharp Super Picture ...mm/sec. (0.44 i.p.s.) (SP) 160 min. (T-160) (EP) 480 min. (T-160)
4 SPECIFICATIONS
Signal System NTSC
INPUT/OUTPUT JACKS DVD/VCR shared output jacks
DVD output jacks
VIDEO input jacks
VIDEO ...DV-NC70U/C DV-NC72U
2.
Service Manual - Page 5
...; 2,
VIDEO/AUDIO cable × 1, Round coaxial cable (75 Ohm, 1 m [3-1/4 ft.]) × 1
DV-NC70U/C DV-NC72U
5 Weight and dimensions are subject to 131 °F) 120 V AC, 60 Hz
28 W
430 mm × 93.5 mm × 356 mm (W × H × D) (including attachments) (16 15/16" × 3 11/16" × 14 1/32") 4.8 kg (10.6 lbs)
Specifications are approximate.
3-1. Channel...
Service Manual - Page 7
... output jacks
DVD/VCR shared AUDIO output jacks
VCR AUDIO input jacks
ANTENNA IN (antenna or cable input)
DVD/VCR
VCR
OUT AV 1 IN
IN FROM ANTENNA
R
R
AUDIO L VIDEO
AUDIO
L (MONO) VIDEO
UHF/VHF CATV
OUT TO TV
ANTENNA OUT
VCR VIDEO input jack
DVD/VCR shared VIDEO output jack
DV-NC70U/C DV-NC72U
7
Service Manual - Page 8
...
ON VCR/DVD VCR MENU DISPLAY SCREEN SELECTOR DVD SETUP
FUNCTION CONTROL
PROGRAM
ANGLE
OPEN/ CLOSE
TITLE
DVD MENU
CANCEL RETURN
SET ENTER
ZERO BACK
SKIP SEARCH
REPLAY
AM/PM
100...batteries properly. The remote control unit may cause them to shock, water or excessive humidity. DV-NC70U/C DV-NC72U
8
Remote Control Unit (VCR Operation Buttons)
The explanations on this page use the VCR...
Service Manual - Page 13
... of the short land. REPLACEMENT OF MAIN PARTS
1.
DV-NC70U/C DV-NC72U
6-3. Front Side
1. Pickup Interface PWB
13
Pickup FFC Short Land Remove P , Q from the set ). 5.
With the Pickup FFC connected, turn over the base chassis and short (solder) two short lands on the pickup interface PWB in such cases as a mechanism service chassis ass'y. If short...
Service Manual - Page 15
... part to use the jig. (Specified torque 5 kg)
These Jigs are used for checking and adjusting the torque of the machine the maintenance and check are used with screw, use the required jig. Torque Cassette Meter
2. Torque Gauge
3. Torque Driver
Master Plane Jig and 5.
DV-NC70U/C DV-NC72U
8. For example, the drum assembling, replacement and adjustment service...
Service Manual - Page 21
...housing control.
1
DV-NC70U/C DV-NC72U
Notes 1. Turn on the power switch. 10. circuit between TP803 and TP802. 3. When installing or removing, take...cassette housing control and tool do not contact the guide pin or drum. 3. Open the lid of ...you use the magnet screw driver, never
approach the magnet driver to prevent float (500g)
Mechanism chassis
Figure 8-3. Install in the reverse order of...
Service Manual - Page 32
... stated in 8-19 item 2.
8-21 REPLACEMENT OF DRUM D.D. Notes: 1. After installation adjust the playback switching point for the tape crease near the
reverse guide in the playback mode. Set the tape, and check for adjustment of the pre-load collar. Unsolder loading motor wire and drum FFC. 2. DV-NC70U/C DV-NC72U
8-20 REPLACEMENT OF THE CAPSTAN D.D. (DIRECT DRIVE...
Service Manual - Page 48
DV-NC70U/C DV-NC72U
48
(DVD)
FLOW CHART NO.1 The fluorescent display tube does not light. periphery circuit.
Yes No
Are common and segment signals supplied from the infrared remote control. Replace IC8051. FLOW CHART NO.2 The key operation is normal, replace the optical pickup.
No 3.3V 2.5V
KEY-1/2
1.8V 0.9V
0V
Replace key switch. OFF
SW8053...
Service Manual - Page 49
... applied to the pins(1) and (13) of IC2001?
Yes Check the connection of optical pickup cable.
Set the disc on "H" level? Yes
Are the video signals outputted to the
No
terminal of IC2001... by normality? Replace traverse chassis unit. DV-NC70U/C DV-NC72U
49
Is the focus control drive voltage applied to the pins of Q3303? Yes
Check the connection of optical pickup cable.
Are the ...
Service Manual - Page 73
...-1Y NJM12904
AE
IC3703 VHiTC4W53F/-1
TC4W53F
AE
IC3704 VHiAN8785SB-1Y AN8785SB, Motor Driver AL
IC3801 VHiPCM1748E-1Y PCM1748E, Audio DAC AL
TRANSISTORS
Q3201 VS2SA1576A+-1
2SA1576A+
AB
Q3202 VS2SA1576A+-1
2SA1576A+
AB
Ref. Part No.
5
Description
DV-NC70U/C DV-NC72U
Code
Q3203 VS2SA1576A+-1
2SA1576A+
AB
Q3204 VS2SA1576A+-1
2SA1576A+
AB
Q3301 VS2SA1576A+-1
2SA1576A+, HFM...
Service Manual - Page 82
...'y
BS
Guide Axis Pressing...Part No.
5
Description
Code
SUPPLIED ACCESSORIES
QCNW-8387AJZZ QCNW-8388AJZZ RRMCGA053WJSA
RRMCGA053WJSB
TGAN-3324AJZZ TiNS-A121WJZZ
TiNS-A122WJZZ
RF Cable
AG
AV Cable
AK
Remote Control Unit
AV
(NC70U/C)
Remote Control Unit
AV
(NC72U)
Guarantee Card(NC70U) AC
Operation Manual
AK
(NC70U/72U)
Operation Manual
AP
(NC70C)
PACKING PARTS (NOT REPLACEMENT...
Service Manual - Page 90
...
Code
Ref. Part No.
5
Description
Code
5 SSAKA0001AJZZ (Operation Manual Polyethylene Bag)
TGAN-3324AJZZ (DV-NC70U) (Guarantee Card) TiNS-A121WJZZ (DV-NC70U/72U) TiNS-A122WJZZ (DV-NC70C) (Operation Manual)
5 SPAKP0209AJZZ (Wrapping Paper)
RRMCGA053WJSA (DV-NC70U/C)
RRMCGA053WJSB (DV-NC72U)
(Remote Control unit)
QCNW-8387AJZZ (RF Cable)
QCNW-8388AJZZ (AV Cable)
5 SPAKCA071WJZZ (DV-NC70U...
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