coby tf-dvd8187e svcmnls
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Service Manual
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Service Manual JUNE 10, 2009 (Version 1.0)
TELEVISION SET
WITH 8 INCH TFT LCD PANEL
Model : TFDVD8187E
Copyright 2009 Co., Ltd.
All Right Reserved
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Contents
1.Specification ---------------------------------------------- 3
2.Appearance Drawing ---------------------------------------------- 4-5
3.Block Diagram ---------------------------------------------- 6
4.Schematic Drawing ----------------------------------------------- 7-15
5.PCB Layout ------------------------------------------------ 16-22
Assembling Drawing ------------------------------------------------ 23-27
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1. Specification
SPECIFICATIONS:
NO ITEM
1 Main Borad SPHE8281D （
2
TV Antenna(ATV)
A/V OUT
USB
DVD PLAYING
3
1.5 Vrms (1 KHz, 0dB),
3.5 mm mini jack x1
4 Speaker 2X1.5W(8ohm)
5 OSD Language English Spanish French Portuguese Czech
6 ATV System PAL/SECAM
Aspect ratio 16:9/4:3
Input Voltage range AC 100V-240V(50/60Hz)
Panel
Panel size 8 inch (16:9)
Resolution 800 x 3(RGB) x 480 pixels
Operating conditions Temperature: 0 c to 35 c. Operation status : Horizontal
Dimensions 194 x152x30 mm (main unit)
Laser Wavelength 650 nm
7 Power consumption < 9.8W
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2. Appearance Drawing
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3. Block Diagram
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4. Schematic Drawing
a. main pcb Schematic Drawing
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b. TFT driver pcb Schematic Drawing
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c.Tuner pcb Schematic Drawing
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d. key pcb Schematic Drawing
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5. Layout Drawing
a.main pcb (top layer)
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b.main pcb (bottom layer)
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c.driver pcb (top layer)
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f.driver pcb (bottom layer)
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g.tuner pcb (top layer)
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h.tuner pcb (bottom layer)
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i.key pcb (top layer)
j.key pcb (top layer)
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8. PCB Assembling Drawing
a.main pcb (top layer)
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b.main pcb (bottom layer)
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c.driver pcb (top layer)
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e.tuner pcb (top layer)
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f.tuner pcb (top layer)