Sharp 21L-FG1RU, Руководство по обслуживанию

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SERVICE MANUAL
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CHAPTER 1. SPECIFICATIONS
[1] SPECIFICATIONS ......................................... 1-1
CHAPTER 2. IMPORTANT SERVICE NOTES
[1] IMPORTANT SERVICE NOTES .................... 2-1
CHAPTER 3. ADJUSTMENT PRECAUTIONS
[1] ADJUSTMENT PRECAUTIONS .................... 3-1
[2] ADJUSTMENT ............................................. 3-15
CHAPTER 4. MEMORY MAP
[1] MEMORY MAP .............................................. 4-1
CHAPTER 5. TROUBLE SHOOTING FLOWCHART
[1] TROUBLE SHOOTING FLOWCHART .......... 5-1
CHAPTER 6. SOLID STATE DEVICE BASE DIA-
GRAM
[1] SOLID STATE DEVICE BASE DIAGRAM ........ 6-1
CHAPTER 7. CHASSIS LAYOUT
[1] CHASSIS LAYOUT ........................................ 7-1
CHAPTER 8. BLOCK DIAGRAM
[1] BLOCK DIAGRAM: MAIN UNIT ....................8-1
[2] BLOCK DIAGRAM: CRT UNIT ......................8-5
CHAPTER 9. DESCRIPTION OF SCHEMATIC DIA-
GRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM............................................................9-1
CHAPTER 10. WAVEFORMS
[1] WAVEFORMS .............................................10-1
CHAPTER 11. SCHEMATIC DIAGRAM
[1] SCHEMATIC DIAGRAM: MAIN UNIT.......... 11-1
[2] SCHEMATIC DIAGRAM: CRT UNIT ........... 11-5
CHAPTER 12. PRINTED WIRING BOARD ASSEM-
BLIES
[1] PWB-B: CRT UNIT ......................................12-1
[2] PWB-A: MAIN UNIT ....................................12-2
Parts Guide
TopPage
21L-FG1SA/SF/SM/RU
No. S551721LFG1SA
COLOUR TELEVISION
Chassis No.GA-6
MODELS
21L-FG1SA
21L-FG1SF
21L-FG1SM
21L-FG1RU
■
Blue Back Function
■
Aperture Control Circuit
■
Auto Fine Tuning
■
NTSC Colour Comb Filter (AV THRU)
■
High Contrast Picture
■
Hotel Mode
■
White Temperature Select
■
AV Stereo
FEATURES
■
Multi 18 Systems
■
Full Auto Channel Preset and Auto
Channel Skip
■
100-CH Program Memory
■
CATV (Hyper Band) Ready
<Used Frequency Synthesizer Tuner>
■
Black Stretch Circuit
■
On Timer/Off Timer/Reminder Timer
■
Multi Languages OSD
(English/Chinese/French/Malay and Arabic) for
Model 21L-FG1SA/SM
(English/Chinese/French/Malay/Arabic and
Russian) for Model 21L-FG1SF
(English and Russian) for Model 21L-FG1RU
■
Surround Sound Effect
(With Bass/Treble/Balance)
■
Rear AV IN / OUT Terminals
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 should be used.
CONTENTS
The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power receptacle, when servicing
this chassis. To prevent electric shock, do not remove cover. No user-serviceable parts inside. Refer servicing to qualified service personnel.
WARNING