Sharp 21HF2-SS, Руководство по обслуживанию

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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 ............................................. 3-13
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. WAVEFORMS
[1] WAVEFORMS ................................................ 7-1
CHAPTER 8. CAHSSIS LAYOUT
[1] CHASSIS LAYOUT........................................8-1
CHAPTER 9. BLOCK DIAGRAM
[1] BLOCK DIAGRAM: CRT UNIT ......................9-1
[2] BLOCK DIAGRAM: MAIN UNIT ....................9-2
CHAPTER 10. DESCRIPTION OF SCHEMATIC DIA-
GRAM
[1] DESCRIPTION OF SCHEMATIC DIA-
GRAM..........................................................10-1
CHAPTER 11. SCHEMATIC DIAGRAM
[1] SCHEMATIC DIAGRAM: CRT UNIT ........... 11-1
[2] SCHEMATIC DIAGRAM: MAIN UNIT.......... 11-2
CHAPTER 12. PRINTED WIRING BOARD ASSEM-
BLIES
[1] PWB-A: MAIN UNIT ....................................12-1
[2] PWB-B: CRT UNIT (Component Side) ........12-5
Parts Guide
SERVICE MANUAL
CONTENTS
21HF2-SS
No. S15D621HF2-SS
COLOUR TELEVISION
Chassis No. GA-2
21HF2-SS
MODEL
SHARP CORPORATION
The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power recep-
tacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user-serviceable parts inside.
Refer servicing to qualified service personnel.
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.
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
„ Blue Back Noise Mute
„ Front AV IN & Rear AV IN/OUT Terminals
„ Front Headphone Jack
„ NTSC Colour Comb (AV Only)
„ High Contrast Picture
„ Hotel Mode
„ White Temperature Select
„ English/Chinese/French/Malay/Arabic
5 Languages OSD
WARNING