Sony KP-53SV70C, KP-61SV70C, KP-43T70C Section Disassembly, Rear Board Removal Service Position

Page 25

KP-43T70C/53SV70C/61SV70C

RM-Y906 RM-Y906 RM-Y906

SECTION 2

 

DISASSEMBLY

 

2-1. REAR BOARD REMOVAL

2-3. SERVICE POSITION

 

1 Disconnect CN203

 

on A board.

 

 

From CG board CN1304.

 

 

(The extension cable is not

 

 

supplied because of the

 

A board countermeasure for radiation.)

 

 

CN203

 

G board

2 Covers

2 Rear board

 

 

Cut them off with a plier or the like

from chassis assembly in case of checking printed circuit boards. After checking, turn over the covers and secure them with screws.

1 Nine screws (Except KP-43T70K/43T70T)

Chassis assembly

Screws

Eight screws (KP-43T70K/43T70T)

 

(+BVTP3x12)

(Screw(4x20), tapping)

 

 

 

2-4. HA BOARD AND HB BOARD REMOVAL

2-2. CHASSIS ASSY REMOVAL

(EXCEPT KP-43T70C)

6 Four screws (+BVTP 4x12)

7 HB bracket

8 Three screws

(+BVTP 3x12)

 

1Three screws

(Screw(4x20),tapping)

9 HB board

2 Two screws (+BVTP 4x12)

3 HA bracket

4 Multi button

5 HA board

2 Chassis assy

Speaker grille assy

1 Two screws

(Screws (4x20), tapping)

– 25 –

Image 25
Contents Microfilm Color Rear Video ProjectorVideo 1 Video 2 Input SpecificationsVideo 3 Monitor OUTSelf Diagnosis Function Blinking count display of TIMER/STAVDBY indicatorSummary of Self-Diagnosis Function Diagnosis Items and Prediction of Malfunction LocationSelf-Diagnosis Screen Display Self-diagnosis screen displaysSelf-diagnosis function operation Self-diagnosis block diagramOVP Detect OCP DetectCircuit Adjustments Table of ContentsDisassembly SET-UP AdjustmentsFunction Section GeneralCarrying Your Projection TV Installing the Projection TV Making Connections Connector TypesConnecting a VCR and projection TV to a cable box Connecting a cable TV system/ antenna to a VCRConnecting a camcorder Connecting a DVD Player Upper illustration Connecting two VCRs for tape editingSetting Up the Projection TV Automatically Using the Remote ControlConnecting an audio system Upper illustration Inserting the batteriesTo perform Auto SET UP again Adjusting the Convergence Automatically Flash FocusWatching the TV Watching Two Programs at One Time PIP Using the Yellow Labeled Buttons for PIP OperationsTo exit from the menus at any t i m e Learning Menu SelectionUsing the Audio Menu Using the Video MenuTo restore the factory settings To select the Video menuTo select the Reloj menu Using the Reloj MenuTo select the Ajustes de canal ch menu Ch Using the Ajustes de canal M e n uSetting Canal favorito manually Setting and Selecting Canal favoritoUsing Canal favorito Changing Canal favorito choicesTo select the Ajustes menu Using the Ajustes MenuSetting the Manufacturers Code To operate the cable box Manufacturer code numbers cable boxTo operate the projection TV Picture turns offUsing a cable box UHF when using an antennaDouble images or ghosts Rear Board Removal Service Position Section DisassemblyKP-43T70C HA Board and HB Board RemovalBeznet Assy Removal Mirror Cover RemovalPicture Tube Removal RemovalScreen Voltage Adjustment Rough Alignment Section SET-UP AdjustmentsFocus Lens Adjustment Screen G2 AdjustmentPole Magnet Adjustment GREEN,RED Deflection Yoke Tilt AdjustmentPole Magnet Adjustment Defocus Adjustment BlueAdjust Buttons and Indicator Electrical Adjustment by Remote CommanderMethod of Settingthe Service Adjustment Mode Service Mode AdjustmentVpnt Adjustment Data Standard Number RangeVpnv VpnsPjed Adjustment Data Standard Number3DCM DSP ToneCCD DACSetup for Adjustment Registration AdjustmentSUB Deflection Adjustment Item Fine Adjustment Green Registration AdjustmentGreen Center Green SkewBlue Registration Adjustment RED Registration AdjustmentFinal Check Error Code Screen Display Sensor Position Auto Registration Error Code List Error Code ListError Code Display in Regi Service Mode Section Safety Related Adjustments +B OVP Confirmation TV Input SUB Contrast Adjustment VPNT-SCON Section Circuit AdjustmentsP & P SUB Contrast Adjustment SC-SYDR BAR Display Position Adjustment OP-DISP PIP Position Adjustment PI-PIPH, PipvX1 = Block Diagram Section DiagramsTUNER, VIDEO, Audio IN/OUT 4 Video Peak Hold ResetBuff IC805 PJED-CPUCN204 To aPOWERH/V Outsupply Part replaced Adjustment Frame Schematic DiagramCircuit Boards Location 3 Board IC406 TDA7265 3 Board IC1011 CXA2079Q 3 Board WaveformsBV DAC 3 Board IC807, 815, 816? a 2/3 board 3 Board IC1902 CXA2019AQ-T4 Board3 Board IC1903 BU4053BCF-T2 3 Board IC1904 CXA1315M-T4Board IC654 DM-58 Board WaveformsBoard IC651 μPC393C CG CR CB board CR Board Waveform CG BoardCB Board Waveform CB BoardFunction Keys HA Board HC BoardHB Board 6 0 H z FA BoardSemiconductors 1SS133-T-77 D3S6M-F ERA22-08 ERC04-06SE ERC06-15S 2SK2663 2SC3271F-NSLR-325VCT31 UDZS-TE17-8.2BCover KP-43T70C Section Exploded ViewsREF. NO. Part NO. Description Cover Except KP-43T70C103 !1-223-925-11 Resistor Assy Higvoltage Focus Pack Chassis KP-43T70CChassis Except KP-43T70C 153 152 151 159 158 154 156 155 160 161 162 163 165Picture Tube 218 217 220RM-Y906 RM-Y906 Section Electrical Parts ListMylar REF. no103 104 PLUG, Connector 4P Short ConnectorPLUG, Connector 10P CONNECTOR, Board to Board 11PFerritebead Diode DTZ10BFerrite RES,CHIPJack BLOCK, PIN Monitor OUT REF. no Description RemarkFILTER, LOW Pass Coil Inductor108 RM-Y906 Metal Oxide Metal ChipCarbon 112 113 FSS Tuner BTF-WA411 TunerTUNER, FSS BTF-FA401 SHIELD, Transformer CrystalSCREW+PSW Ceramic 2KVPLUG, Connector 3P PIN, Connector 2PTAB Contact 1KVDiode EL1Z Diode GP08DDiode D4SBS4-F Diode D1NL20ULAMP, Neon Neon LampCarbon Photo Coupler Photo Coupler ON3171-R119 120 Test PIN RelayCR BOARD, Complete Ferrite Neon LampL731 Inductor CG BOARD, CompletePLUG, Connector 5P GAP, Spark Connector Test PINPLUG, Connector 9P PLUG, Connector 3P Coil DiodeSwitch S1201 1-572-198-11 SWITCH, Keyboard Flash Focus HA BOARD, Complete ConnectorCarbon Switch HB BOARD, Complete CapacitorCABLE, P-P CORD, Power with Connector CABLE, P-P Remote CommanderRemote Commander RM-Y906 COVER, Battery for RM-Y906965-408-01 Sony Corporation