Sony KP-41T65C service manual Troubleshooting, Index to parts and controls, Projection TV Front

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Additional Information

Troubleshooting

If the problem persists after trying the methods below, contact your nearest Sony dealer.

No picture (screen not lit), no sound

/Make sure the power cord is connected securely.

/Operate with the buttons on the projection TV.

/Insert the batteries in the remote control with the correct polarity.

/Replace the batteries with new ones if they are weak.

/Check to see if the TV/VIDEO setting is correct: when watching TV, set to TV, and when watching video tapes, set to VIDEO1, 2, or 3.

/Try another channel. It could be station trouble.

/Perform AUTO SET UP again using the SETUP button to return to the factory preset condition. (page 14)

Poor or no picture (screen lit), good sound

/Adjust PICTURE in the VIDEO menu. (page 23)

/Adjust BRIGHTNESS in the VIDEO menu. (page 23)

/Adjust convergence. (page 16)

/Check antenna/cable connections. (page 6)

/Perform AUTO SET UP again using the SETUP button to return to the factory preset condition. (page 14)

/Remove objects from the front of the projection TV.

Good picture, no sound

/Press MUTING so that “MUTING” disappears from the screen. (page 19)

/Check the MTS setting in the AUDIO menu. (page 27)

/Make sure SPEAKER is set to ON in the AUDIO menu. (page 27)

/Perform AUTO SET UP again using the SETUP button to return to the factory preset condition. (page 14)

No color

/Adjust the COLOR in the VIDEO menu. (page

23)

/Confirm that black and white program is not being broadcast.

/Perform AUTO SET UP again using the SETUP button to return to the factory preset condition. (page 14)

Only snow and noise appear on the screen

/Check the CABLE setting in the SET UP menu. (page 17)

/Check the antenna/cable connections. (page 6)

/Make sure the channel is broadcasting programs.

/Press ANT to change the input mode. (page 20)

Dotted lines or stripes

/Adjust the antenna.

/Move the projection TV away from noise sources such as cars, neon signs, and hair- dryers.

Double images or ghosts

/Use a highly directional outdoor antenna or a cable (when the problem is caused by reflections from nearby mountains or tall buildings).

Cannot operate menu

/If the item you want to choose appears in gray, you cannot select it. Press TV/VIDEO correctly.

/Check the CABLE setting in the SET UP menu. (page 17)

Cannot receive upper channels (UHF) when using an antenna

/Make sure CABLE is OFF in the SET UP menu. (page 17)

/Use AUTO PROGRAM to add receivable channels that are not presently in projection TV memory. (pages 14, 18)

Cannot receive any channels when using cable TV

/Make sure CABLE is ON in the SET UP menu. (page 17)

/Use AUTO PROGRAM to add receivable channels that are not presently in projection TV memory. (pages 14, 18)

Remote control does not operate

/Batteries could be weak. Replace the batteries. (page 13)

/Make sure the projection TV’s power cord is connected securely to the wall outlet.

/Press TV (FUNCTION) when operating your projection TV.

/Are fluorescent lights too close to the projection TV? Move them at least 3-4 feet away from the projection TV.

Cannot gain enough volume when using a cable box

/Increase the volume at the cable box. Then press TV (FUNCTION) and adjust the projection TV’s volume.

The projection TV needs to be cleaned

/Clean the projection TV with a soft dry cloth. Never use strong solvents such as thinner or benzine, which might damage the finish of the cabinet.

Index to parts and controls

This section briefly describes the buttons and controls on the projection TV and on the Remote control. For more information, refer to the pages next to each description.

Projection TV — Front

SETUP TV/VIDEO – VOLUME +

– CHANNEL + POWER

TIMER/

STEREO STAND BY

S VIDEO

 

 

VIDEO L(MONO)-AUDIO-R

 

 

VIDEO 2 INPUT

 

 

 

9

8 7

6

5

4 3 2 1

1

TIMER/STANDBY indicator (pages 19, 30)

 

6

VOLUME +/– buttons (page 14)

2

STEREO indicator (page 27)

 

7

TV/VIDEO button (page 14, 15)

3

Remote sensor

 

8

SETUP button (page 14)

4

POWER switch (page 14)

 

9

S VIDEO/VIDEO 2 INPUT (VIDEO/AUDIO

5

CHANNEL +/– buttons (page 14)

 

 

L(MONO)/R) jacks (page 10)

 

 

 

 

38-EN

Additional Information

40-ENAdditional Information

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Contents Projection TV Video Video in 2 Video 2 Input SpecificationsDisassembly Table of ContentsSafety Relatedp Adjustments DiagramsInstalling the projection TV Welcome!PrecautionsConnecting an antenna HookupTo a conventional VCR To an S video equipped VCR Connecting a DBS receiverTo a projection TV To a projection TV and VCRConnecting a camcorder Connecting an audio systemConnecting two VCRs for tape editing using Monitor OUT Getting to know buttons on the remote control Connecting a Sony Sava series speaker systemInserting batteries Button colorErasing or adding channels Setting up the projection TV automaticallySetting cable TV on or off Adjusting convergencePress Vor vto select Channel ERASE/ADD Erase and/or add channelsSwitching quickly between two channels Presetting channelsWatching the TV Muting the soundWatching two programs at one time PIP Freezing the picture Adjusting the picture VideoChanging the position of the window picture Swapping the main and window picturesPress Vor vto select Ntsc STD, MEDIUM, or High and press AdjustingSelecting Stereo or Setting the speaker Bilingual Programs Using audio effectUsing the menu to set audio effect Using the audio effect buttonSetting daylight Setting the clock Saving time Daylight Setting audio outCustomizing the channel names Setting the timer to turn the projection TV on and offSetting video labels Blocking out a Setting YourSetting your favorite channels Favorite ChannelsSetting Caption Setting the manufacturer’s codeOperating video equipment Operating video equipment Operating a cable box or DBS receiverTroubleshooting Index to parts and controlsProjection TV Front Remote control Service Position Rear Board RemovalChassis Assy Removal HA Board Removal KP-53S65C/61S65C HA Board Removal KP-41T65CBeznet Assy Removal KP-41T65C Beznet Assy Removal KP-53S65CScreen Frame Assy Removal KP-61S65C Mirror Cover Assy Removal KP-41T65C Mirror Cover Assy Removal KP-53S65CReflection Mirror Removal KP-61S65C HIGH-VOLTAGE Cable Installation and Removal Picture Tube Removal KP-41T65CPicture Tube Removal KP-53S65C/61S65C Picture Tube Bracket Assy Removal KP-41T65C Picture Tube Bracket Assy Removal KP-53S65C/61S65C Install a Chassis Assy Setting of Service Stay ASSY. KP-41T65C/53S65CScreen G2 Adjustment Screen Voltage Adjustment Rough AlignmentFocus Lens Adjustment Focus VR AdjustmentDeflection Yoke Tilt Adjustment Pole Magnet AdjustmentDefocus Adjustment Blue Display Electrical Adjustment by Remote CommanderMuting Adjust Buttons and IndicatorGH Cent BH 4PIN Mscn Main SUB Contrast Convergence Adjustment GH Cent GH BOW GH Skew GH 4BOW Green Vertical Size Adjustment GV Wave GV 4PIN White Balance Adjustment AGC AdjustmentHV Hold Down Circuit Operation Check and Adjustment Board HV Regulation Circuit Check and AdjustmentHV HOLD-DOWN Adjustment Operation Check+B OVP Confirmation SUB-HUE and SUB-COLOR Adjustment SHUE, Scol BER Display Adjustment DispSUB Contrast Adjustment Scon P Position Adjustment PIPH, PipvP SUB HUE, SUB Color Adjustment IHUE, Icol P SUB Contrast Adjustment PconMemo Block Diagram Section DiagramsComb FILTER,PIP Processor Frame Schematic Diagram Printed Wiring Boards and Schematic DiagramsCircuit Boards Location 13Vp-p 500kHz 8Vp-p H 0Vp-p H 60Vp-p Board WaveformsDiode BoardBoard IC801, 802 PA0053B 5Vp-p 4Vp-p 4Vp-p H 2Vp-p H8Vp-p H 7Vp-p H 2Vp-p H 8Vp-p 6Vp-p HPT Board IC Voltage List PT Board IC5052 SDA9288X-GEG PT Board WaveformsPT Board PT BoardCR Board Waveform CG Board Waveform140Vp-p H 160Vp-p H CR Board IC701 TDA6106Q CB Board WaveformCG Board IC701 TDA6106Q CB Board IC701 TDA6106QZDY/VM STBY5V Board HA BoardCover KP-41T65C Semiconductors66 68 5358 +BVTP 3X12 Cover KP-61S65CChassis KP-41T65C 170Chassis KP-53S65C/61S65C 217 201Picture Tube KP-41T65C 263KP-61S65C Picture Tube KP-53S65C/61S65CSection Electrical Parts List CONNECTOR, Board to Board 20P REF. no Description PT a 101 102 103 104 105 106 107 108 109 110 111 Relay CR CG CB CB HA 115 965-216-01 Accessories and Packing Materials MANUAL, Instruction