Related Manuals for Shivaki STV-42LED11A
Summary of Contents for Shivaki STV-42LED11A
- Page 1 LED TV SERVICE MANUAL Model Name: STV-42LED11A Version NO : 1.0 The release of this document is under controlled by the company. Any extra copy of this document must be written permission by the product manager.
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Page 2: Table Of Contents
TABLE OF CONTENTS RECORDS OF REVISION …………………………………………………………………………..…..03 CHAPTER 01: WARNING……………………………………………………………………………04 CHAPTER 02: SAFETY PRECAUTIONS…………………………………………………………..05 CHAPTER 03: PRODUCT ROUGH SPEC……………………...…………………………………..07 CHAPTER 04: MAIN COMPONENT DIAGRAM………………………………………….……..07~11 CHAPTER 05: EASY TROUBLE SHOOTING…………………………………………………11~15 CHAPTER 06: TOOUBLE SHOOTING FLOW CHART………………………………………16~21 CHAPTER 07: MAIN BOARD SCHEMATICS…………………………………………………21~34 CHAPTER8 : PWERT BOARD SCHEMATICS………………………………………………….34~35 CHAPTER9 : FIRMWARE UPDATE SOP…………………………………………………………36-39... -
Page 3: Records Of Revision
RECORDS OF REVISION Re vision N o. Re vision Da t e Pa ge Re a son De sc ript ion V 1 .0 2 0 1 2 .1 1 .3 0 I nit ia l Re le a se... -
Page 4: Warning
CHAPTER 1: WARNING This service information is designed for experienced repair technicians only and is notdesigned for user by the general public.It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.Products powered by electricity should be serviced or repaired only by experienced professional technicians.Any attempt to service or repair the product or products dealt within this service information by anyone else could result in serious... -
Page 5: Safety Precautions
CHAPTER 2: SAFETY PRECAUTIONS 2-1. CAUTION: No modification of any circuit should be attempted. Service worker should only be performed after going through to familiar with all of the following safety checks and servicing guidelines. 2-2. SAFETY CHECK Care should be taken while servicing this TV display. Because of the high voltage is used in the inverter circuit. -
Page 6: Product Rough Spec
CHAPTER 3: PRODUCT ROUGH SPEC Product Rough Specification TV ID ECHOM C1 Pnael Model T420HW08 V5 Main Board Model T.VST59.A1X General Power model AY090P-4SF01 Information Power Consumption(Stand-by Mode) <0.5W Power Consumption(MAX) Power Input Voltage 110-240V~ Power Rated Input Freq 50/60Hz±5% Video System PAL ;SECAM Sound System... - Page 7 Safety EN 60950 (Europe) ESD spec. 4 / 8 KV (Reference) Environmental Operation Temperature 0~40'C(Operating), -20~60'C(Storage) Conditions Relative Humidity 10~85%(Operating) 5~95%(Storage) CHAPTER 4: MAIN BOARD CONNECTION 5-1: Main Board TOP View 5-2: Main Board Botton View...
- Page 8 5-3: Main Board Connection...
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Page 12: Easy Trouble Shooting
CHAPTER 5: EASY TROUBLE SHOOTING 7.1 Troubleshooting for Common Use Note: Before opening the cabinet and working on the repairs, please read the troubleshooting and Q&A attached in theuser’s manual, which has covered most of the problems caused by unproper using or settings to the TV set. - Page 13 because the failure in power on can lead to a no-display problem. No display (including white screen, black screen, etc.) Note: If the troubleshooting given below can not help you, change the LCD panel for a try. But we strongly suggest regard changing the panel as the last step of fixing the display problem.
- Page 14 can also lead to audio problem. 7.4 Troubleshooting for Keyboard Check the wire between mainboard and keyborad, watch if there is fracture or cladding material breakage. No key can work Check the joint of mainboard and keyboard wire, watch if there is poor soldering ofrfake solder. Check the resistances that locate on the keyboard PCB.
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Page 15: Toouble Shooting Flow Chart
left-right channel wire fault for audio). Check the LED assembling, watch if its pins are in wrong location. Check the other components of RC board are wrong or bad.That is usually caused by bad keyboard, change it for a try. There is a reacting delay when operating the keys Check the keyboard to see whether there is a short circuit between each soldering joint. -
Page 23: Main Board Schematics
6.2: Power Board Trouble Shooting Guide CHAPTER 7: MAIN BOARD SCHEMATICS... - Page 36 IR OARD&KEY BOARD CHAPTER 8: POWER BOARD SCHEMATI...
- Page 37 CHAPTER 9: FIRMWARE UPDATE 9-1： USB Update: 1, First update to the USB into the software inside ， Then insert the TV ， Red and green LED lights flash and other end ， Successful software update, If update fails,piease use 11-1 means 9-2：...
- Page 38 Chart（1） 4，attack READ icon,enter the Update interface Chart（2） 5, choose Update 6 Turn on the main board or the TV set , click the connect picture, link target board.
- Page 39 Chart（3、4） 6.1 If link successfully, then display the dialog as follow ,please click “OK” ,and continue Chart（5） 6.2 If link unsuccessfully, then display the dialog as follow ,please click “OK”, and check the related operation Chart（6） 6.2.1 1 please check if the link on the tooling is normal ,including the USB ISP installation right or not . 6.2.2 please confirm the main board or the TV SET if all have been connected with the adapter ,and being in boot state .
- Page 40 Chart（8） 6.3.2 successful Update Chart（9） 6.3.3 If update fails, try starting from the 4 update The End...
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