Envision schematic diagram service manual circuit diagram wiring schema repair instruction guide user manual free pdf download





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P-Harmony Monitors (Taiwan), Ltd. Envision LT19W661
TPV Electronics (Fujian) Co., Ltd. Envision LC32H063D
TPV Electronics (Fujian) Co., Ltd. Envision LC32W063
TPV Electronics (Fujian) Co., Ltd. Envision LC42H063D
Envision Peripherals, Inc. Envision A95 X9(Z98) H193k H193 TFT1980 LCD
Envision Peripherals, Inc. Envision E218c1 E218c1 LCD
Envision Peripherals, Inc. Envision G2016wa G2016wa LCD
Envision Peripherals, Inc. Envision G2219w1 G2219w1 LCD
Envision Peripherals, Inc. Envision G22LWk G22LWk LCD
Envision Peripherals, Inc. Envision G416 G416 LCD
Envision Peripherals, Inc. Envision H170L L71C LCD
Envision Peripherals, Inc. Envision s500 TFT1560PS LCD

AOC,Envision,Topview  2219P2       TFT22W90PS    LCD

ENVISION,AOC               201S,LM2028 flexi,210V,G2012w,G2016w,203Vwa,203Swa,203Vw+,2016Sw,2016wa        TFT2090PS*         LCD

ENVISION,AOC               210V,2216VW,2217V,2216Sw,2216Sw,2216Va,2217Pwc,2230Fm,2230Fh,2230F,2230FA TFT22W90PS*     LCD

ENVISION,AOC               2212Ph,2212PH,223VW,H2216w,G212a,E212a,G2216,2210S,G2217,212Va,2216Sa,210S              TFT22W90PS Series         LCD

ENVISION,AOC               511Vwb       TFT1560PS        LCD

ENVISION,AOC               519Sw ,1619Sw     TFT15W60PS****                LCD

ENVISION,AOC               619Fh,619Pd          TFT26W90PS,TFT26W90PSA,TFT26W90PSA+,TFT26W90PS+              LCD

ENVISION,AOC               716S716SiH177H716LM726712SaLM725      TFT1780PSTFT1780PS+TFT1780PSATFT1780PSA+                LCD

ENVISION,AOC               716Sa  712Sa         TFT1780PS****    LCD

ENVISION,AOC               716Sw 716Swx       TFT17W80PS       LCD

ENVISION,AOC               916Sw         TFT19W80PS    LCD

ENVISION,AOC               916SwG912waH912wH916wH916G916wG917w917Fwx917Fwh                     TFT19W80PSTFT19W80PS+TFT19W80PSATFT19W80PSA+          LCD

ENVISION,AOC               917Fwx       TFT19W80PS******          LCD

ENVISION,AOC               917Sw916Swa916Vwa917Vw913FwH912W+912Sw+193sw                     TFT19W80PSA+TFT19W80PSATFT19W80PS+TFT19W80PS          LCD

ENVISION,AOC               919Vwg       MW19L-AA          LCD

ENVISION,AOC               931Fw,916Swa       TFT19W80PS****                LCD

ENVISION,AOC               H173k         TFT1780PS        LCD

ENVISION,AOC               LM725716Sa177S177Sa     TFT1780PS+TFT1780PSATFT1780PSA+      LCD

ENVISION,AOC               S500152VLM525156Sa156SLM522  TFT1560PSTFT1560PSATFT1560PSA+        LCD

ENVISION,AOC               V19              TFT19W80**      LCD



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  CAUTION: Before servicing receivers covered by this service manual and its supplements and addenda, read and follow the SAFETY PRECAUTIONS of this publication. Remember: Safety First.

General Guidance An isolation Transformer should always be used during the servicing of a receiver whose chassis is not isolated from the AC power line.

Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal injury from electrical shocks. It will also protect the receiver and it's components from being damaged by accidental shorts of the circuitry that may be inadvertently introduced during the service operation.

If any fuse (or Fusible Resistor) in this TV receiver is blown, replace it with the specified.

When replacing a high wattage resistor (Oxide Metal Film Resistor, over 1W), keep the resistor 10mm away from PCB.

Keep wires away from high voltage or high temperature parts.

General Servicing Precautions
1. Always unplug the receiver AC power cord from the AC power
source before;
a. Removing or reinstalling any component, circuit board
module or any other receiver assembly.
b. Disconnecting or reconnecting any receiver electrical plug or
other electrical connection.
c. Connecting a test substitute in parallel with an electrolytic
capacitor in the receiver.
CAUTION: A wrong part substitution or incorrect polarity
installation of electrolytic capacitors may result in an
explosion hazard.

2. Test high voltage only by measuring it with an appropriate high
voltage meter or other voltage measuring device (DVM,
FETVOM, etc) equipped with a suitable high voltage probe.
Do not test high voltage by "drawing an arc".

3. Do not spray chemicals on or near this receiver or any of its

4. Unless specified otherwise in this service manual, clean
electrical contacts only by applying the following mixture to the
contacts with a pipe cleaner, cotton-tipped stick or comparable
non-abrasive applicator; 10% (by volume) Acetone and 90% (by
volume) isopropyl alcohol (90%-99% strength)
CAUTION: This is a flammable mixture.
Unless specified otherwise in this service manual, lubrication of
contacts in not required.

5. Do not defeat any plug/socket B+ voltage interlocks with which
receivers covered by this service manual might be equipped.

6. Do not apply AC power to this instrument and/or any of its
electrical assemblies unless all solid-state device heat sinks are
correctly installed.

7. Always connect the test receiver ground lead to the receiver
chassis ground before connecting the test receiver positive
Always remove the test receiver ground lead last.

8. Use with this receiver only the test fixtures specified in this
service manual.
CAUTION: Do not connect the test fixture ground strap to any
heat sink in this receiver.



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