DV-NC100H (serv.man7). Complete - Sharp DVD Service Manual (repair manual)

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 those specified be used.

SERVICE MANUAL

VCR/DVD COMBINATION

MODEL  

DV-NC100H

MAIN SECTION

  1. SPECIFICATIONS ................................................................................................................................................ 1-1-1
  2. LASER BEAM SAFETY PRECAUTIONS ............................................................................................................. 1-2-1
  3. IMPORTANT SAFEGUARDS AND PRECAUTIONS ............................................................................................ 1-3-1
  4. STANDARD NOTES FOR SERVICING ................................................................................................................ 1-4-1
  5. PREPARATION FOR SERVICING ....................................................................................................................... 1-5-1
  6. OPERATING CONTROLS AND FUNCTIONS ...................................................................................................... 1-6-1
  7. CABINET DISASSEMBLY INSTRUCTIONS ........................................................................................................ 1-7-1
  8. ELECTRICAL ADJUSTMENT INSTRUCTIONS ................................................................................................... 1-8-1
  9. FIRMWARE RENEWAL MODE ............................................................................................................................ 1-9-1
10. TROUBLESHOOTING ........................................................................................................................................ 1-10-1
11. BLOCK DIAGRAMS ............................................................................................................................................ 1-11-1
12. FUNCTION INDICATOR SYMBOLS ................................................................................................................... 1-11-9
13. SCHEMATIC DIAGRAMS/ CBA’S AND TEST POINTS ..................................................................................... 1-12-1
14. WAVEFORMS ..................................................................................................................................................... 1-13-1
15. WIRING DIAGRAM ............................................................................................................................................. 1-14-1
16. IC PIN FUNCTION DESCRIPTIONS .................................................................................................................. 1-15-1
17. LEAD IDENTIFICATIONS ................................................................................................................................... 1-16-1
18. EXPLODED VIEWS ............................................................................................................................................ 1-17-1
19. MECHANICAL PARTS LIST ............................................................................................................................... 1-18-1
20. ELECTRICAL PARTS LIST ................................................................................................................................ 1-19-1

DECK MECHANISM SECTION

  1. STANDARD MAINTENANCE ............................................................................................................................... 2-1-1
  2. SERVICE FIXTURE AND TOOLS ........................................................................................................................ 2-2-1
  3. MECHANICAL ALIGNMENT PROCEDURES ...................................................................................................... 2-3-1
  4. DISASSEMBLY / ASSEMBLY PROCEDURES OF DECK MECHANISM ............................................................ 2-4-1
  5. ALIGNMENT PROCEDURES OF MECHANISM .................................................................................................. 2-5-1
  6. DECK EXPLODED VIEWS ................................................................................................................................... 2-6-1
  7. DECK PARTS LIST ............................................................................................................................................... 2-7-1

VIDEO Plus+ and PlusCode are registered 
trademarks of Gemstar Development Corporation. 
The VIDEO Plus+ system is manufactured under 
license from Gemstar Development Corporation.

PULL OPEN

OPERATE

OPEN/CLOSE

PLAY

STOP

DVD

VCR

TIMER

REC

PLAY

REW

STOP/
EJECT

(TRACKING)

OUTPUT

The region number for this 
VCR/DVD is 2.

FF

CH

  1. SPECIFICATIONS .......................................................................................... 1-1-1
  2. LASER BEAM SAFETY PRECAUTIONS ....................................................... 1-2-1
  3. IMPORTANT SAFEGUARDS AND PRECAUTIONS ...................................... 1-3-1
  4. STANDARD NOTES FOR SERVICING .......................................................... 1-4-1
  5. PREPARATION FOR SERVICING ................................................................. 1-5-1
  6. OPERATING CONTROLS AND FUNCTIONS ................................................ 1-6-1
  7. CABINET DISASSEMBLY INSTRUCTIONS .................................................. 1-7-1
  8. ELECTRICAL ADJUSTMENT INSTRUCTIONS ............................................. 1-8-1
  9. FIRMWARE RENEWAL MODE ...................................................................... 1-9-1
10. TROUBLESHOOTING .................................................................................. 1-10-1
11. BLOCK DIAGRAMS ...................................................................................... 1-11-1
12. FUNCTION INDICATOR SYMBOLS ............................................................. 1-11-9
13. SCHEMATIC DIAGRAMS/ CBA’S AND TEST POINTS ............................... 1-12-1
14. WAVEFORMS ............................................................................................... 1-13-1
15. WIRING DIAGRAM ....................................................................................... 1-14-1
16. IC PIN FUNCTION DESCRIPTIONS ............................................................ 1-15-1
17. LEAD IDENTIFICATIONS ............................................................................. 1-16-1
18. EXPLODED VIEWS ...................................................................................... 1-17-1
19. MECHANICAL PARTS LIST ......................................................................... 1-18-1
20. ELECTRICAL PARTS LIST ........................................................................... 1-19-1

1-1-1

H9741SP

    1-1. Video Output (PB)

Vp-p

0.8

1

1.2

9HSFL6A

9HSFL6M

W/O Burst

9HSFL6A

9HSFL6K

9HSFL6HA

    1-2. Video Output (R/P)

Vp-p

0.8

1

1.2

    1-3. Video S/N Y (R/P)

dB

40

43

    1-4. Video Color S/N AM (R/P)

dB

35

41

    1-5. Video Color S/N PM (R/P)

dB

33

38

    1-6. Resolution (PB)

Line

210

230

    2-1. Jitter Low

µ

sec

0.07

0.12

    2-2. Wow & Flutter

%

0.3

0.6

    3-1. Output (PB)

 dBV

-9

-4

-2

    3-2. Output (R/P)

dBV

-9

-4

-1

    3-3. S/N (R/P)

dB

36

40

    3-4. Distortion (R/P)

%

1.5

4

    3-5. Freq. resp (R/P) at 200Hz (PB)

dB

-6

-3

                (-20dB ref. 1kHz) at 8kHz (PB)

dB

-6

-3

5

5

    4-1. Video output

Vp-p

0.8

1

1.2

    4-2. Video S/N

dB

40

45

    4-3. Audio output

dB

-10

-6

-2

    4-4. Audio S/N

dB

40

50

    5-1. Output (PB)

dBV

-12

-9

-6

    5-2. Dynamic Range

dB

70

80

    5-3. Freq. resp (6dB B.W)

Hz

20 ~ 20K

Notes:
1. Nominal specs represent the design specs. All units should be able to approximate these – some will exceed and

some may drop slightly below these specs. Limit specs represent the absolute worst condition that still might be
considered acceptable; In no case should a unit fail to meet limit specs.

2. For test tapes, refer to "SERVICE FIXTURE AND TOOLS" section.

1-1-2

H9741SP

1. All Items are measured without pre-emphasis unless otherwise specified.

2. Power supply : AC220 - 240 V  ~ 50 Hz

3. Load imp. : 100 k ohm

4. Room ambient : 5 

°

C ~ 40 

°

C

5. Power consumption: 30 W (Standby: 5.5 W)

6. Weight: 6.84 lbs (3.2kg)

7. Dimension: 435  mm X 94 mm X 233 mm

ITEM

CONDITIONS

UNIT

NOMINAL

LIMIT

1 Video Output

75 

Ω

Vpp

1.0

±

0.1

2 Coaxial Digital Out

mVpp

500

3 Audio (PCM)

3-1. Output Level

1 kHz  0 dB

Vrm

2.0

3-2. S/N

dB

110

3-3. Freq. Response

DVD

fs=48 kHz 20 ~ 22 kHz

dB

±

1.5

CD

fs=44.1 kHz 20 ~ 22 kHz

dB

±

1.5

3-4. THD +N

DVD

1k Hz 0 dB

%

0.01

CD

1k Hz 0 dB

%

0.01