32LF-92H (serv.man2) — Sharp TV Service Manual (repair manual)

Model
32LF-92H (serv.man2)
Pages
76
Size
1.78 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / CTR
File
32lf-92h-sm2.pdf
Date

View Sharp 32LF-92H (serv.man2) Service Manual online

1
AK - 45
CHASSIS
 PAL 
B/G, I
 / SECAM 
L/L’, B/G, D/K  
SYSTEM COLOUR TELEVISION
SERVICE MANUAL
In the interests of user safety (required by safety
regulations in some countries) the set should be re-
stored to its original condition and only parts identi-
cal to those specified should be used.
CONTENTS
TABLE OF CONTENTS ....................................................................................................... 3
INTRODUCTION .................................................................................................................. 6
CIRCUIT DESCRIPTIONS ................................................................................................... 6
INTEGRATED CIRCUIT DESCRIPTIONS ....................................................................... 10
SERVICE MODE ADJUSTMENTS ...................................................................................... 23
BLOCK DIAGRAM ................................................................................................................ 61
CIRCUIT DIAGRAMS ..................................................................................................... 62
HOW TO UPDATE THE TECHNICAL INFORMATION ...................................................... 73
SHARP  CORPORATION
SE
00
AK45CHA00
               Issued: 20
th 
Jan. 2004
     CHASSIS
 AK-45
2
AK - 45
CHASSIS
Use this page to keep any special servicing information as Technical Report (Bulletin), Technical Information, etc.
If only part  number changes are required, just change part number directly the part number in the Parts Listing Section.
If you need more information, please refer to the Technical Report (Bulletin).
SERVICE MANUAL UPDATE LOG SHEET
Part No.
Technical Report  No.
Technical Bulletin No.
Cause / Solution
Page No.
Application
Data /Serial No.
3
AK - 45
CHASSIS
 
TABLE OF CONTENTS 
 
1.INTRODUCTION
..............................................................................................................................6
 
2.TUNER
.................................................................................................................................................6
 
3.IF PART (TDA9885/86)
..................................................................................................................6
 
4.VIDEO SWITCH TEA6415
............................................................................................................7
 
5.MULTI STANDARD SOUND PROCESSOR
...........................................................................7
 
6.SOUND OUTPUT STAGE WITH TDA7269A
.........................................................................7
 
7.VERTICAL OUTPUT STAGE WITH STV9379FA
.................................................................7
 
8.VIDEO OUTPUT AMPLIFIER TDA6108
...................................................................................7
 
9.POWER SUPPLY (SMPS)
............................................................................................................8
 
10.MICROCONTROLLER SDA55XX
...........................................................................................8
 
10.1.General Features ..........................................................................................................................8
 
10.2.External Crystal and Programmable Clock Speed ...................................................................8
 
10.3.Microcontroller Features .............................................................................................................8
 
10.4.Memory..........................................................................................................................................8
 
10.5.Display Features...........................................................................................................................8
 
10.6.Acquisition Features....................................................................................................................9
 
10.7.Ports ..............................................................................................................................................9
 
11.CLASS AB STEREO HEADPHONE DRIVER TDA1308
.................................................9
 
12.SAW FILTERS
................................................................................................................................9
 
13.IC DESCRIPTIONS
.....................................................................................................................10
 
13.1.LM317T
....................................................................................................................................10
 
13.1.1.Description ...........................................................................................................................10
 
13.1.2.Features................................................................................................................................10
 
13.2.TDA1308T
...............................................................................................................................10
 
13.2.1.General Description ............................................................................................................10
 
13.2.2.Features................................................................................................................................10
 
13.2.3.Pinning..................................................................................................................................11
 
13.3.MSP34X0G (MSP3410G)
..................................................................................................11
 
13.3.1.Description ...........................................................................................................................11
 
13.3.2.Features................................................................................................................................12
 
13.3.3.Pin connections...................................................................................................................12
 
13.4.VDP313xY
..............................................................................................................................13
 
13.4.1.Introduction..........................................................................................................................13
 
13.4.2.Features................................................................................................................................14
 
13.4.3.Pin Connections and short descriptions ..........................................................................14
 
13.5.TEA6415C
..............................................................................................................................15
 
13.5.1.General Description ............................................................................................................15
 
13.5.2.Features................................................................................................................................15
 
13.5.3.Pinning..................................................................................................................................16
 
13.6.STV9379FA
............................................................................................................................16
 
13.6.1.Description ...........................................................................................................................16
 
13.6.2.Features................................................................................................................................16
 
13.6.3.Pinning..................................................................................................................................16
 
13.7.TDA7269A
..............................................................................................................................17
 
13.7.1.Description ...........................................................................................................................17
 
13.7.2.Features................................................................................................................................17
 
13.8.LM7800 (LM7805/LM7808)
...............................................................................................17
 
13.8.1.Description ...........................................................................................................................17
 
13.8.2.Features................................................................................................................................17
 
13.9.AT24C08
.................................................................................................................................17
 
13.9.1.Description ...........................................................................................................................17
 
13.9.2.Features................................................................................................................................17
 
13.9.3.Pin Configurations ..............................................................................................................18
 
4
AK - 45
CHASSIS
13.10.SDA5555
...............................................................................................................................18
 
13.10.1.General definition ..............................................................................................................18
 
13.10.2.Features..............................................................................................................................18
 
13.11.MC44608
...............................................................................................................................19
 
13.11.1.Description .........................................................................................................................19
 
13.11.2.General Features ...............................................................................................................20
 
13.11.3.Pin Connections ................................................................................................................20
 
13.12.TCET1102G
.........................................................................................................................21
 
13.12.1.Description .........................................................................................................................21
 
13.12.2.Applications .......................................................................................................................21
 
13.12.3.Features..............................................................................................................................21
 
13.13.TDA9885T
............................................................................................................................21
 
13.13.1.General Description ..........................................................................................................21
 
13.13.2.Features..............................................................................................................................21
 
13.13.3.Pinning................................................................................................................................22
 
13.14.PI5V330
.................................................................................................................................22 
13.14.1.General Description ..............................................................................................................22
 
14.AK45 CHASSIS PRODUCTION SERVICE MODE ADJUSTMENTS
.........................23
 
14.1.SERVICE MENU ..........................................................................................................................23
 
14.2.ADJUST MENU ...........................................................................................................................23
 
14.3.OPTIONS MENU..........................................................................................................................35
 
Option 0. Video Processor Crystal Indication .............................................................................35
 
Option 1. (0x01) Video Processor Decoder Mode Register........................................................35
 
Option 2. (0x18) Video Processor Blanking Control ...................................................................35
 
Option 3. (0x19) Video Processor Cathode Drive Level .............................................................36
 
Option 4. ..........................................................................................................................................36
 
Option 5. CTI Available, Mono AVL...............................................................................................36
 
Option 6. ..........................................................................................................................................36
 
Option 7. OPTIONHOTELACTIVE, PLL_VST, PIP Zoom Mode, PIP Position ...........................36
 
Option 8. IF Frequency...................................................................................................................37
 
Option 9. Standard Available.........................................................................................................37
 
Option 10. Scart, Combfilter, Teletext, Language .......................................................................38
 
Option 11. PLL Tuner Control 1 Byte............................................................................................38
 
Option 12. PLL Tuner Control 2 Low Byte ...................................................................................38
 
Option 13. PLL Tuner Control 2 Mid Byte ....................................................................................39
 
Option 14. PLL Tuner Control 2 High Byte ..................................................................................39
 
Option 15. PLL Tuner VHF LOW – VHF HIGH Crossover Low Byte ..........................................39
 
Option 16. PLL Tuner VHF LOW – VHF HIGH Crossover High Byte .........................................39
 
Option 17. PLL Tuner VHF HIGH – UHF Crossover Low Byte ...................................................39
 
Option 18. PLL Tuner VHF HIGH – UHF Crossover High Byte...................................................39
 
Option 19. PIP PLL Tuner Control 1 Byte.....................................................................................40
 
Option 20. PIP PLL Tuner Control 2 Low Byte ............................................................................40
 
Option 21. PIP PLL Tuner Control 2 Mid Byte .............................................................................40
 
Option 22. PIP PLL Tuner Control 2 High Byte............................................................................40
 
Option 23. PIP PLL Tuner VHF LOW – VHF HIGH Crossover Low Byte ...................................40
 
Option 24. PIP PLL Tuner VHF LOW – VHF HIGH Crossover High Byte...................................40
 
Option 25. PIP PLL Tuner VHF HIGH – UHF Crossover Low Byte.............................................41
 
Option 26. PIP PLL Tuner VHF HIGH – UHF Crossover High Byte............................................41
 
Option 27. Language Available 1 ..................................................................................................41
 
Option 28. Language Available 2 ..................................................................................................41
 
Option 29. Language Available 3 and Zoom Mode Available ....................................................41
 
Option 30. Country .........................................................................................................................42
 
Option 31. Prescaler MSP FM (AVL=OFF)....................................................................................42
 
Option 32. Prescaler MSP NICAM (AVL=OFF) .............................................................................42
 
Option 33. Prescaler MSP SCART (AVL=OFF) ............................................................................43
 
Option 34. Prescaler MSP I2S (AVL=OFF)....................................................................................43
 
Option 35. Not used........................................................................................................................43
 
Option 36. Not used........................................................................................................................43
 
Option 37. Reserved for USA ........................................................................................................43
 
Option 38. TV Teletext Mode Selection, Child Lock, Equalizer Country...................................43
 
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Download Sharp 32LF-92H (serv.man2) Service Manual (Repair Manual)

Here you can view online or download Sharp 32LF-92H (serv.man2) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sharp 32LF-92H (serv.man2) CTR. Information contained in Sharp 32LF-92H (serv.man2) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).