Sharp 28jw-73h User manual

28JW-73H

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MODEL 28JW-73H

PAL I SYSTEM COLOUR TELEVISION

SE0028JW73H00

SERVICE MANUAL

Issued: 21st May 2002

This document has been published to

be used for after sales service only.

GA-20 CHASSIS

In the interests of user safety (required by safety

regulations in some countries) the set should restored

to its original condition and only parts identical to

those specified should be used.

CONTENTS

ELECTRICAL SPECIFICATIONS ................... 3

IMPORTANT SERVICING NOTES ................. 4

CONTROLS & TERMINALS ........................... 5

ADJUSTMENT PROCEDURES ...................... 7

POSTCODE RESET ...................................... 11

LED FLASHING CODES ............................... 12

PRINTED WIRING BOARDS ........................ 13

CHASSIS LAYOUT ......................................... 19

ICs ADDITIONAL INFORMATION .................. 21

SCHEMATIC DIAGRAMS ............................... 36

TROUBLESHOOTING TABLES ..................... 49

PARTS LISTING ............................................. 52

PACKING OF THE SET & ACCESSORIES ... 61

SOURCE OF DOCUMENTATION .................. 62

SHARP CORPORATION

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HOW TO OPEN THE DOOR

Press the top of the door, opening it slightly

hook your finger inside and pull open.

Behind the door

10. Headphone Socket (3.5mm / 16 600 ohms)

11. S-Video input terminal

12. Video Input Terminal (PAL/SECAM/NTSC)

13. Audio Input Terminal (left)

14. Audio Input Terminal (right)

REAR TV

21-pin In/O t

1. 21-pin Audio/Video (AV-2)

With PAL/SECAM/NTSC Video Input

2. 21-pin Audio/Video (AV-1)

With PAL/SECAM/NTSC/S-Video Input

3. 21-pin Euro SCART (RGB)

With PAL/SECAM/NTSC Video Input

RF Inp t

4. Aerial terminal

2 3 4 1

L/S/G/I R/D/D/D

AUDIO

S-VIDEO VIDEO

FRONT

REAR

WOOFER

AV-2

AV/TERMINAL

AV-1

AV/TERMINAL

RGB

SCART

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■FRONT TV

Main power button

Power indicator

Remote control sensor

Volume DOWN button

Volume P button

Channel DOWN button

Channel P button

Door

2 3 4 5 6 7 1 8

Behind the door

S-VIDEO input terminal

VIDEO input terminal (PAL/SECAM/NTSC)

A DIO input terminal (left)

A DIO input terminal (right)

Headphone jack (3.5mm / 16~600 ohms)

■REAR TV

21-pin In/Out

21-pin Audio/Video (AV-2)

With PAL/SECAM/NTSC Video Input

21-pin Audio/Video (AV-1)

With PAL/SECAM/NTSC/S-Video Input

21-pin Euro SCART (RGB)

With PAL/SECAM/NTSC Video Input

RF Input

Aerial terminal

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TV 1. Stand-by ON/OFF switch (TV)

Video 2. Power ON / OFF switch (VCR)

TV 3. Digit buttons 0 ∼ 9

4. Flashback button

Teletext 5. Colour button (green)

6. Colour button (red)

TV 7. Volume DOWN/Cursor control

LEFT

8. Menu button

Teletext 9. Reveal button

10. List selector

11. Store button

12. Cancel button

13. Half page button

14. Cursor button

TV 14. Sub-titles button

Video 15. Rewind/picture search/reverse

16. Play button

17. Pause / Still button

18. Stop button

TV 19. TV / VIDEO selector

20. Call button

21. Single/Double entry

Teletext 22. Colour button (yellow)

23. Colour button (cyan)

TV 24. Channel UP/Cursor control UP

25. Volume UP/Cursor control RIGHT

26. Channel DOWN/Cursor control

DOWN

27. Wide Mode selector

TV /Teletext 28. Time button

TV 29. Sound mode selector

Teletext 30. Hold button

TV 31. Sound Mute button

Teletext 32. Text/Mix/Picture button

33. Index button

Video 34. Channel Up selector

35. Fast forward/picture search/forward

36. Channel Down selector

37. Record button

LIST

TV / VCR / TEXT REMOTE CONTROL

G1065SA

TV/VIDEO

VCR

I/II/I+II

TV VCR

7 9

32.

34.

33.

31.

35.

36.

37.

30.

29.

27.

28.

25.

26.

24.

23.

20.

19.

21.

22.

10.

11.

13.

14.

15.

16.

17.

18.

12.

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