Sony KV-27V40 service manual Out

Page 33

DISPLAY POSITION ADJUSTMENT (DISP)

1.Input a color-bar signal.

2.Set to Service adjustment Mode.

3.Select DISP with and .

4.Adjust with and for adjustment of characters to center .

5.Write the memory by pressing then .

6.Check if the text is displayed on the screen.

SERVICE DISP 15

SUB BRIGHT ADJUSTMENT (SBRT)

1.Input a cross-hatch signal.

2.Set to Service adjustment Mode.

3.Set the PICTURE and BRIGHT to minimum.

4.Select SBRT with and .

5.Adjust with and to obtain a faintly visible cross-hatch.

6.Write into the memory by pressing then .

SUB HUE, SUB COLOR ADJUSTMENT (SHUE, SCOL)

1.Input a color-bar signal.

2.Set to Service adjustment Mode.

3.Select the item DCOL and set to "0" level.

4.Connect oscilloscope probe to C Board, CN1702 Pin 7

(B OUT).

5.Select SHUE and SCOL with and .

6.Adjust with and for the V1 = V4 ± 0.1Vp-p (SCOL) and V2 = V3 ± 0.1Vp-p (SHUE).

V1

V2

V3

V4

 

 

7.Reset the item DCOL to "1" level.

8.Write into the memory by pressing then .

V. SIZE ADJUSTMENT ( VSIZ)

1.Input a cross-hatch signal.

2.Set to Service adjustment mode.

3.Select VSIZ with and .

4.Adjust with and for the best vertical size.

V. SIZE (VSIZ)

 

/

/

KV-27V40 / 27V45 / 27V65 / 29VL40 / 29VL65A / 29VL65C / 29VL85 / 29VL95

V. CENTER ADJUSTMENT (VPOS)

1.Input a cross-hatch signal.

2.Set to Service adjustment Mode.

3.Select VPOS with

and .

 

 

 

 

 

 

 

 

4.Adjust with and

 

for the best vertical center.

 

5.Write into the memory by pressing

 

 

 

 

 

then

 

 

 

 

 

 

 

 

 

 

V. CENTER (VPOS)

 

 

 

 

 

 

 

 

 

 

 

 

/

 

 

 

 

 

?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H. CENTER ADJUSTMENT (HPOS)

Note : Perform this adjustment after checking H. FREQUENCY.

1.Input a cross-hatch signal.

2.Set the Service adjustment Mode.

3.Select HPOS with and .

4.Adjust with and for the best horizontal center.

5.Write into the memory by pressing then

H. CENTER (VPOS)

/ ?

V. LINEARITY (VLIN) AND V CORRECTION

1.Input a cross-hatch signal.

2.V. Correction is automatically adjusted from the circuit and should satisfy the conditions below:

SERVICE ADJUSTMENT MODE MEMORY

1.Change DCOL to "1".

2.After completing all adjustments, press "0" then .

READ FROM MEMORY

SERVICEREAD

Green

0

Red

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Image 33
Contents Trinitron Color TV KV-27V65 SpecificationsTable of Contents SAFETY-RELATED Component Warning SELF-DIAGNOSTIC FunctionDisplay of STANDBY/TIMER Light Flash Count SELF-DIAGNOSTIC Circuit Leakage Test Safety CHECK-OUTSection General Connecting directly to cable or anCable or Antenna Connections C AntennaVCR Connections Cable Box ConnectionsDBS Connections Connecting a DBS Direct Broadcast Satellite receiverAdditional Connections Setting up the TV automatically Using the remote control, Move & Select buttonsInserting batteries On-Screen Help/InstructionsWatching the TV Using the White Labeled Buttons for TV OperationsTip z Watching two programs at one time PIPTo restore the factory Video settings Using the Video menuLearning menu selection To select the Video menuUsing the Audio menu To restore the factory Audio settingsTo select the Audio menu Using the SET UP menu Using the Timer menuTo select the Timer menu To cancel the ON/OFF Timer functionPress Reset while the SET UP menu is displayed To erase the Channel Block settingsVCR manufacturer code numbers Programming the remoteMDP Multi Disc Player manufacturer code numbers DVD Digital Versatile Disc manufacturer code numbersFor more details on operating the cable box or DBS receiver If the remote control doesn’t workManufacturer code numbers cable box Manufacturer code numbers DBS receiverTroubleshooting Section Picture Tube Removal Beam Landing Section SET-UP AdjustmentsConvergence Method of Setting the Service Adjustment Mode Preparation before Confirmation Section Safety Related AdjustmentsFBT BoardElectrical Adjustment by Remote Commander Section Circuit AdjustmentsItem of Adjustments Fifr Field Frequency Sbal SUB Balance Disp OSD Position ID-0 ID-1 ID-2 ID-3 ID-4 ID-5 ID-6 ID-7 OUT Nted by Camcad Ba43blk Page Page Page Page Page Page Circuit Boards Location ONE Tuner Chassis KV-27V40/27V45/29VL40/29VL85 Section Exploded ViewsTWO Tuner Chassis KV-27V65/29VL65A/29VL65C/29VL95 Main Power Switch KV-29VL65A only Model Section Electrical Parts List BOARD, CompleteCapacitor Acommon Parts Listing Diode FilterJack Ferrite BeadChip Conductor CoilResistor TransistorRES, Chip R277 Short R278 Metal Relay SwitchTransformer ThermistorKV-27V40/29VL40 Connector56K Board Variant List KV-27V65/29VL95 KV-27V65/29VL95THP601 1-809-539-11 Thermistor Positive KV-29VL65A KV-27V45/29VL85 REF.NO. Part no Description KV-29VL65C Cemented CV BOARD, Complete Fuse CV EHV BOARD, Complete Complete Parts ListingHZ BOARD, Complete KV-29VL65A only HV HZComplete Parts Listing K Pcomplete Parts Listing Crystal Complete Parts Listing PRemote Commander Accessories and Packing MaterialsSony Corporation