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Sony KP-43T70 Training Manual
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Sony KP-43T70 Training Manual

Sony KP-43T70 Training Manual

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S
®
Projection
Television
RA-3 & RA-4A Chassis
Models: KP-43T70
KP-46C70
KP-48S70
KP-48S72
KP-61XBR300
Circuit Description and Troubleshooting
Course: TVP-10
KP-53N74
KP-48V80
KP-52S70
KP-53V80
KP-61S70
KP-61V80
KP-53XBR300
Training Manual

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Summary of Contents for Sony KP-43T70

  • Page 1 Training Manual ® Projection Television RA-3 & RA-4A Chassis Models: KP-43T70 KP-53N74 KP-48V80 KP-46C70 KP-52S70 KP-53V80 KP-48S70 KP-61S70 KP-61V80 KP-48S72 KP-53XBR300 KP-61XBR300 Circuit Description and Troubleshooting Course: TVP-10...
  • Page 2 Sony Service Company A Division of Sony Electronics Inc ©1999 All Rights Reserved Printed in U.S.A. S is a trademark of Sony Electronics...
  • Page 3 Circuit Description and Troubleshooting: Models: KP-43T70 KP-53N74 KP-48V80 KP-46C70 KP-52S70 KP-53V80 KP-48S70 KP-61S70 KP-61V80 KP-48S72 KP-53XBR300 KP-61XBR300 Prepared by: National Training Department Sony Service Company A Division of Sony Electronics Inc. Course presented by _____________________________________ Date ___________________________________________________ Student Name ___________________________________________...
  • Page 4 SEL Service Company A Division of Sony Electronics Inc. 1 Sony Drive Park Ridge, New Jersey 07656 TVP100100 Printed in U.S.A.

  • Page 5: Table Of Contents

    Table of Contents Introduction 8-Bit A/D Converter Picture and Picture (V Models) RA-3 Features RA-3 and RA-2 Similarities Main Y Signals RA-3 and RA-4 Similarities Main C Signal Main Decoder and YUV Switch RA-3 New Circuitry Picture and Picture Controller Power Supply Protection Video Processing Latch...
  • Page 6 Switching and Comb Filter (S Models) Self-Diagnostics Video Inputs Standby Power Supply Switching and Comb Filter Converter Operation Picture in Picture (S Model) Regulation Sub Y Signal Over Current Protection (OCP) Sub C Signal Over Voltage Protection (OVP) Sub Decoder, PIP Processor and YUV Switch Secondary Output RA-4 vs.
  • Page 7 Sensor Amp Auto Focus Circuit Description xxix BD Input xxxi Digital Convergence xxxi BD Output xxxiii IC1701 Regi Correction xxxiii Convergence Out xxxv Regi Mute xxxv Convergence Amp xxxv Appendix 2 - Service Bulletins...

  • Page 8: Introduction

    Flash Focus – One button system that aligns the horizontal and vertical Introduction centering of the red, green and blue tubes. This system differs from pre- vious Sony one touch systems in that it does not align the skew of the Overview colors only the centering.

  • Page 9: Ra-3 And Ra-2 Similarities

    Dolby Pro Logic to provide a very convincing effect. except the RA-3 system only performs auto centering while the RA-4 Twin View – Sony’s picture and picture feature, which allows two pictures system performed auto centering and skew. The difference lies in the to be displayed side by side.

  • Page 10: Power Supply Protection

    Standby Unregulated OVP Power Supply Protection Current from T602/9 is rectified by D667 to produce a positive supply at D667/K. This supply voltage is applied to IC655/I and D675/K. D675 is a Overview 10-volt zener diode. When the voltage present at the input of IC655 The RA-3 chassis employs over voltage and over current protection for reaches around 11.2 volts, D675 will begin to conduct.
  • Page 11 STANDBY 5V R665 R663 IC651 G BOARD R659 OVP/OCP R664 D672 uPC393C CN605 +135V R661 TO CN681 R660 A BOARD C662 RELAY Q652/B R657 RELAY D661 +135V BRIDGE R675 DRIVE R662 C663 NEG. Q654 D663 FROM D652/A AND D653/A R654 PROTECTION D675 LATCH...

  • Page 12: Model Video Path Block

    P&P Processing V Model Video Path Block The P&P processing circuit uses inputs from both the main picture path and the sub picture path because of the Twin View functions. Overview The main video path can be from two sources. They are Main Y and C (if The video path in the V model RA-3 chassis is different from that of the composite/S video is used) and component video.
  • Page 13 PJED COMB MAIN SWITCHING INPUTS FILTER DECODER MAIN C VCHIP MAIN COMPONENT SYSCON SWITCH SUB YUV U BOARD DECODER P & P TUBES CONTROLLER COMPONENT YUV OR PIP YUV V MODELS VIDEO BLOCK 18TVP10 1/18/00...

  • Page 14: Kp-53V80 Video Switching

    Composite Video and Y Switching KP-53V80 Video Switching Composite video can be input to IC1702 A/V Switch from either THE tuner or video 1,2 or 3 inputs. The selected composite video input is output at Overview IC1702/53. This signal then passes through Q1727 Buffer to J1706 Monitor In this section we will look at the input-switching path for the KP-53V80.
  • Page 15 VOUT1 MONITOR TV V IN BUFFER J1706 SUB TUN CN1701 Q1724 MAIN COMP V/Y BUFFER S VIDEO TO CN401 A BOARD COMPONENT INPUTS Q1723 MAIN C BUFFER COMB C S VIDEO IC1702 TO CN201 IC1704 SUB Y A BOARD YUV SWITCH SWITCH NJM 2283M CXA1845...

  • Page 16: Comb Filter (V Models)

    IC202 Frame Memory is four Meg of EDO memory. Since IC202 Frame Comb Filter (V Models) Memory is EDO type memory, it needs to be refreshed constantly. This is done using the RAS (Row Address Strobe) and CAS (Column Address Overview Strobe) lines.
  • Page 17 IC202 4MB EDO MSM514265C A BOARD DYC0 2 31 Q210 5 34 IC203 DYC0 BUFFER I016 CONVERTER 7 36 FL203, uPC659 Q215, 10 39 ALTE MRAS B.P.F Q201,204 Q206,212 LCAS IC204 INVERTER BUFFER COMB C CN201 UCAS TO CN1703 COMB U BOARD FILTER uPC64O81...

  • Page 18: Picture And Picture (V Models)

    Picture and Picture Controller Picture and Picture (V Models) The main picture YUV is input to IC1405/10, 6 and 8. The Sub picture signals goes through a similar decoder and YUV Switch and are input to Overview IC1405/71, 75 and 73. The V model RA-3 chassis has features for PIP and P &...
  • Page 19 TO IC1407/19 YUV CONTROLLER/TV IN Q1409, 1410, 1412 CVBS/YIN BUFFER TO IC1407/1 Q1406 V SYNC SYNC TO IC1407/3 MVSYNC VTIM HSYNC X1402 3.58MHz W101 FROM DAO0 TO IC1407/2 XNTSC Q1403 IC1402 MAIN BUFFER DAO7 Q1422 DECODER W108 YUV SW. CXA2019A IC1405 P&P YUV SW.

  • Page 20: Video Processing

    The inputs at IC1407/16 Color and IC1407/17 Hue are DC voltages that Video Processing control the level of Sub Color and Sub Hue for the PIP picture. These voltage levels were preset at the factory and should not need adjustment. Overview However, if necessary they can be changed by adjusting UVSC (Color) and UVSH (Hue) in the service mode.
  • Page 21 MAIN C FROM IC1702/58 Q1418 DY FROM IC1405/86 EY IN YOUT BUFFER CN204 Q1420 Q220 ERY IN DU FROM IC1405/90 PB-Y RYOUT ROUT BUFFER BUFFER Q219 GOUT TO CG BUFFER Q1419 EBY IN DV FROM IC1405/88 PR-Y BYOUT BOARD BUFFER Q218 CN731 BOUT...

  • Page 22: On Screen Displays

    V Chip/CC OSD On Screen Displays IC1601 Main V Chip/CC creates this OSD. It outputs RGB that shows the rating of the program selected. It will also blank the screen and show a Overview lock if the selected program is above the rating selected in the Parental On Screen Displays are generated by three different sources in the RA- Control Menu.
  • Page 23 Q002 MICRO R FROM IC002/32 BUFFER ROUT Q008 MICRO G FROM IC002/33 BUFFER GOUT Q009 MICRO B FROM IC002/34 BUFFER BOUT MICRO I FROM IC002/35 Q011 Q013 OSD YS FROM IC002/36 Q012 DISP YM FROM IC206 IC002/37 CN731 Q010 BUFFER CXA2147 BOARD IC1601...

  • Page 24: Crt Drive (Cg)

    IK Return CRT Drive All Sony projection TVs employ an AKB (Auto Cathode Balance) circuit to The output from the YCJ (not shown) is input to CN731/7 on the CG automate the white balance (black balance) by forming a loop between board.
  • Page 25 D732 +200V R736 R739 C735 R742 R732 TO FOCUS BLOCK D733 D734 L731 CN737 SG731 R741 C732 Q733 CG BOARD Q722 D731 R736 FROM CN731 FOCUS C733 BLOCK R733 H G1 G1 Q731 FROM C734 SG732 R735 CN734 A BD. CN204 R737 R746...

  • Page 26: S Model Video Path Block

    PIP Processing S Model Video Path Block The PIP processing circuit uses inputs from only the sub picture path. The main video path can be from two sources. They are Main Y and C or Overview component video. If composite/S video input is selected for sub picture The video path in the S model RA-3 chassis is different from that of the input to PIP, it is first decoded to YUV by the Sub Decoder and applied to RA-2 chassis because of the addition of a component video input.
  • Page 27 MONITOR OUT SYSCON PJED COMB MAIN FILTER VCHIP INPUTS BOARDS SWITCHING COMPONENT YUV SW M H SYNC SUB UV SYNC TO CONTROLLER DEFLECTION COMP. MAIN UV SUB DECODER S MODELS VIDEO BLOCK 17TVP10 1/18/00...

  • Page 28: Switching And Comb Filter (S Models)

    Video Inputs Switching and Comb Filter (S Models) The Video 1 and 2 inputs accept composite and S video inputs. If an S video cable is plugged in, then the composite video input is disabled. This Overview is because when the switch in the S video connector is closed, a line on This section discusses the inputs to the S model RA-3 chassis.
  • Page 29 FSC OUT FROM IC206/57 CKIN TO J1105 MONITOR OUT YUV MUTE FROM Q1110 MTV V IC1702 FROM MAIN TUNER Q1103, 1104 COMB FILTER MAIN V FROM J1102 BUFFER TC90A53F Q1701, FL1701 FROM CN1702/5 ADIN Q1702, Q1703 FROM J1101 COUT YOUT FROM SUB TUNER STV V6 YOUT2...

  • Page 30: Picture In Picture (S Model)

    Sub Decoder, PIP Processor and YUV Switch Picture in Picture (S Model) IC1902 Sub Decoder decodes the SY and SC signals. The decoded Y and C signals, now YUV, are output from IC1902/18, 19 and 20 respec- Overview tively. The PIP circuit is capable of taking any of the three types of inputs and These signals are then input to IC11903/2, 12 and 5.
  • Page 31 IC1905 PIP PROCESSOR SDA9288 TO IC1901/6 YUV SW. Q1916 Q1917 Q1918 Y IN Q1915 YOUT Y BUFFER Y AMP BUFFER BUFFER U IN UOUT Q1905 RY IN TO IC1901/1 VOUT V IN BUFFER RY OUT X IN YOUT Q1907 RU IN BUFFER TO IC1901/3 IC1903...

  • Page 32: Ra-4 Vs. Ra-4A

    They share the following features with the previous RA-4 models: • Free Layout Picture-in-Picture – Allows the PIP window to be placed • Advanced Pro-Optic System – Sony technology that allows full cor- anywhere on the screen. ner to corner focusing. •...

  • Page 33: 1080I Capable

    The following features are new to the RA-4A chassis and are not found on The following are minor circuit differences that will not be covered in this the RA-4 chassis: manual: “1080I Capable” The component values in the H deflection circuit have been changed because displaying 1080I input requires a different scan rate.

  • Page 34: Video Path Block

    The outputs from IC1307 YUV Switch are then input to the BR board Video Path Block (DRC) and the BM board (MID). The BR board outputs 960I signals, which are the main video signals and are then input to IC511 Video Pro- Inputs cessor.
  • Page 35 MAIN Y/COMP BA BOARD IC2402 IC1305 IC1307 TU501 3D COMB MAIN MAIN YUV SW PJED MAIN FILTER CHROMA BOARD CCD MIX TUNER DECODER MAIN Y TU502 MAIN Y IC515 A/V SWITCH TUNER BOARD CM501 GLASS COMPOSITE COMB AND S VIDEO MAIN 1 - 4 CCD + V CHIP OSD...

  • Page 36: Dtv Video Processing Block

    If IC1008 Main CPU determines that a 480P or 1080I signal has been DTV Video Processing Block input, the following occurs. The YUV signals that were input back into IC511 are processed and output as RGB to the tubes. The H and V sync Overview from the Y signal is separated and output to the deflection circuits.
  • Page 37 H + V SYNC IC511 TO DEFLECTION VIDEO PROCESSOR CIRCUITS SYNC TO TUBES INPUT 12 H SYNC O720P TO IC515 FROM FOR AUDIO OSD CPU SWITCHING IC1009/61 IC1403 IC1307 IC1303 MAIN YUV MAIN YUV INPUT SELECT 480I ODTV BR BOARD IC1008 MAIN CPU 1/20/00...

  • Page 38: Dtv Video Processing

    These signals are input to IC1307/7, 6 and 5 for two reasons. Firstly, if DTV Video Processing the signals input to Video 5 are 480I format, they need to be switched to the main video path for DRC processing. Remember the normal picture Overview on this set is a 960I signal from DRC.
  • Page 39 IC511 VIDEO PROCESSOR FROM CXA2101AQ DTVIN J501 CN503 BUFFER IN2V SELYOUT SELYIN ROUT TO CN7101 IN2CB SELCBOUT SELCBIN BOUT PB/B BUFFER CR BOARD IN2CR SELCROUT PR/R SELCRIN GOUT BUFFER BUFFER TO IC1008/22 Q1308, 1309 MAIN CPU/VIN FOR VCHIP J503 YUV4 O 720 P FROM INPUT IC1009/61...

  • Page 40: Vd Mute

    the signal at IC1608/12 goes HIGH. This is because when the /CLR input VD Mute is HIGH and the Load input is LOW, the output at Q2 will be the same state as the C input, which is at IC1608/5. This pin is tied to 5 volts; Overview therefore, the output from IC1608/12 is HIGH.
  • Page 41 V SAW AMP OUT IC1625 FROM IC514/1 GATE DEFLECTION FOR SCP LOAD C1648 R1676 HBLK (HP) IC518/5 R1678 R1667 C1649 FROM IC1608 CN509/9 TC74HC C1651 DRIVE IC1623 VDSP/VTM C1647 163AF AMP IN LOAD VBLK Q1631 FROM PULSE Q1630 IC512/36 CHANGE R1677 OSD-CPU /CLR...

  • Page 42: Appendix 1

    APPENDIX 1...

  • Page 43: Self-Diagnostics

    The number of times the LED blinks may correspond to that shown in the Self-Diagnostics following table: Diagnosis Item Standby/ Self-diagnosis Overview sleep lamp, screen display, Number of Blinks Diagnosis Item Results •Power not ON The RA-4 chassis employs a Self-Diagnostic system that uses the Timer Not lit +B OCP detection LED blinks 2 times...

  • Page 45: Standby Power Supply

    The waveforms below show what will be seen at Q621. Standby Power Supply Overview The standby power supply is a switching power supply used to create Standby 5V. The Standby 5V line is used to power the Tuning Micon and EEPROM and any other circuits which need power when the set is OFF.
  • Page 46 T621 FB621 R639 4.7 OHMS D621 C631 D622 R640 TO RY600 FROM POWER RELAY T601/1 D623 AC Hi SIDE IC622 R631 5V REG 7.2VDC BAO5T D628 CN641 C630 R632 D624 STANDBY C650 +5V TO D698 Q621 D625 A BOARD 2SK2845 CN1641 D699 R633...

  • Page 47: Over Current Protection (Ocp)

    Over Current Protection (OCP) Secondary Output Monitoring the voltage across R637 is used for over current protection. The power coupled through T621 SRT places a voltage on T621/9 that, This voltage is representative of the amount of current flowing through when rectified and filtered by D628 and C637, is 7.2 volts.
  • Page 48 T621 FB621 R639 4.7 OHMS D621 C631 D622 R640 TO RY600 FROM POWER RELAY T601/1 D623 AC Hi SIDE IC622 R631 5V REG 7.2VDC BAO5T D628 CN641 C630 R632 D624 STANDBY C650 +5V TO D698 Q621 D625 A BOARD 2SK2845 CN1641 D699 R633...

  • Page 49: Switching Power Supply

    Switching Power Supply - Start Up Primary Rectifier The current path for initial start-up of the oscillator is through IC601-2, When the set is turned ON System Control IC001/62 places a high on through the winding of pins 2 and 1 of T604, the winding of pins 6 and 5 the base of Q652 Relay Drive.
  • Page 50 viii...

  • Page 51: Soft Start

    As soon as a secondary voltage is produced, C666 starts charging. This Switching Power Supply causes the voltage at the positive capacitor terminal to rise, causing Q654 to decrease conduction, less dc current flows through the trans- Regulation (cont’d) former control winding; the oscillator frequency decreases, and the The frequency of the power supply is dependent on the load that it sees.

  • Page 53: Troubleshooting

    The following tables can help you in isolating whether you have a power Troubleshooting supply problem or another problem. These voltages were taken by first shorting pins 3 and 4 on RY601 and slowly bringing up the AC line In cases of power supply failure it is often necessary to isolate the voltage using a variable AC power supply.
  • Page 55 xiii Hot Ground IC651 T604/1 T605/1 L601 IC653 T603/1 CN653/1 IC655 RY601 TVP07GBPS...
  • Page 56 IC655 CN653 CN507 IC652 IC653 R608 IC601 TVP07GPSTOP...

  • Page 57: Horizontal Deflection

    T501 induces a 12 vp-p signal onto its secondary which is connected to Horizontal Deflection the base of Q502 Horizontal Output. (See Waveform “C”) Overview Q502 and associated components amplify and waveshape the signal so that 1000 vp-p spikes are output and applied to the yokes and Flyback The horizontal deflection circuit has two main functions: Transformer T504.

  • Page 59: High Voltage Development

    “A” “B” This is where the RA-2 chassis differs from the previous Sony projection television sets. This chassis has no high voltage regulation. However there have been various steps taken to compensate for this fact.
  • Page 60 xvii...
  • Page 61 CN503 CN504 CN502 Q502 Q501 TVP)&GBVT Q505 CN653...
  • Page 62 T501/1 T502/1 Q505 Q502 Q501 L505/1 T504 CN503/1 CN502/1 CN504/1 TVP07GBHV...

  • Page 63: Vertical Deflection

    Protection VERTICAL DEFLECTION Since a loss of vertical deflection will damage the CRTs, protection is pro- Vertical Drive vided in the event of deflection loss. Since there is no return of VP to the Y/C Jungle we need another way to blank the set if we lose vertical deflec- IC301 Y/C Jungle contains a vertical oscillator whose frequency is deter- tion.
  • Page 64 xxii...

  • Page 65: Convergence Block

    This is ceived by a number of sensors located around the outside of the screen. done in the RA-4 chassis using Sony’s new digital convergence circuit. These sensors output a current proportional to the amount of light re- To accomplish this, this circuit uses what is called the PJED (Projection ceived.
  • Page 66 xxiv...

  • Page 67: Sensor Amp

    When Auto Focus button is pressed Pattern A and B are output in suc- Sensor Amp cession over top of the sensors. Pattern A is offset to the left of the sensor and Pattern B is output to the right of the sensor. Overview [ OVER VIEW ] The sensor amplifier is used when the customer or servicer presses the...
  • Page 68 Varying the input to the convergence amplifiers changes the pattern. The main table below shows that the A and B patterns are output while the conver- Flag clear gence data is changed. The changing of this data changes the conver- AD timing, Pattern display Initial settings gence amplifiers input.
  • Page 69 xxvii The flowchart on the previous page shows the sequence of operations for The flowchart below left shows the steps taken during the adjustment the Auto Focus operation. The first operation is to set the initial settings. portion of the previous flowchart. As these adjustments are performed, Then the H size is changed.
  • Page 70 The following table shows the errors that may occur. You should note here that if the green tube is replaced it is very important that the green yoke be placed so there is no tilt. If it is not placed correctly, a repetitive “80” can occur. [ERROR CODE LIST] ERROR DISCRIPTION...

  • Page 71: Circuit Description

    xxix Circuit Description 0 : UPPER SENSOR 1 : LEFT SENSOR The sensor amplifier is responsible for taking the amount of light received 2 : RIGHT SENSOR by the sensors and outputting a DC value to the PJED CPU to represent 3 : LOWER SENSOR the amount of light received.

  • Page 73: Bd Input

    Fine Adjustments The rough adjustments are just like some of the adjustments used in the previous Sony projection sets. It uses the major adjustments in the old Once you have gotten the best picture you can by using the rough mode, system.
  • Page 74 xxxii...

  • Page 75: Bd Output

    xxxiii The Green Vertical Output is input to IC714/14 RSI and IC720/14 RSI. BD Output The analog signals are output from pin 6 of each of these ICs. They are combined and input to IC1708/2. IC1708 is a filter amplifier which outputs the GV signal to CN523 on the A board.
  • Page 76 xxxiv...

  • Page 77: Convergence Out

    xxxv Convergence Out Convergence Amp IC5005 Convergence Amp contains three amplifiers. Each of these am- plifiers contains two inputs, a Non-inverting and Inverting, and one out- Overview put. If we look at the first amplifier inside IC5005 we see that the vertical The Convergence Out circuit amplifies the horizontal and vertical conver- green signal is input to IC5005/4 Non-inverting Input.
  • Page 78 xxxvi...
  • Page 79 APPENDIX 2...
  • Page 80 Service Bulletin National Technical Services A Division of Sony Electronics Inc. TV Products Park Ridge, New Jersey 07656 Model:KP-43T70, KP-46C70, KP-48S70, KP-48S72, KP-48V80, KP-53N74, KP-53S70, KP-53V80, KP-61S70, KP-61V80 Date: December 3, 1999 Subject: Dark Screen, Picture Is Barely Visible. Symptom: (1321) The screen is extremely dark and the picture is barely visible.
  • Page 81 IC805 Q801 R850 R830 R849 R851 KP-43T70 Service Manual Page 83. KP-48V80 Service Manual Page 88. A-board Mounting Diagram Coordinates J-2.
  • Page 82 CONFIDENTIAL SONY CSV-1  Sony Service Company Service Bulletin National Technical Services A Division of Sony Electronics Inc. TV Products Park Ridge, New Jersey 07656 Model: KP-43T70, KP-46C70, KP-48S70, KP-48S72 440R1 KP-53N74, KP-53S70, KP-48V80, KP-53V80 KP-61S70, KP-61V80, KP-53XBR200 KP-61XBR200, KP-53XBR300...
  • Page 83 Model Chassis CPU Ref. # CPU Reset pin EEPROM Type Board IC Ref. # Switch Switch Switch Switch #4 IC002 IC003 * KP53V35 RA-1 IC7001 IC7003 KP53XBR45 RA-1 IC3000 IC3002 RA-1 Not applicable Not applicable IC5004 KP61V25 RA-1 IC002 IC003 * KP61V35 RA-1 IC002...
  • Page 84 Model Chassis CPU Ref. # CPU Reset pin EEPROM Type Board IC Ref. # Switch Switch Switch Switch #4 RA-3 IC002 12 (I OSC) IC004 KP-61S70 RA-3 IC805 55 (WR PROT) IC810 RA-3 IC002 12 (I OSC) IC004 KP61V80 RA-3 IC805 55 (WR PROT) IC810...
  • Page 85 Direct View Models Model Chassis CPU Reset EEPROM Type Board Ref. # pin # IC Ref. # Switch Switch Switch Switch AA-1 IC101 IC102 KV27S10 KV27S15 AA-1 IC101 IC102 AA-1 IC101 IC102 KV27TS29 KV27TS32 AA-1 IC101 IC102 AA-1 IC101 IC102 KV27TS36 AA-1 IC101...
  • Page 86 Model Chassis CPU Reset EEPROM Type Board Ref. # pin # IC Ref. # Switch Switch Switch Switch AA-2W IC001 IC002 KV27FV15 AA-2W IC001 IC002 KV32FS10 KV32FV15 AA2W IC001 IC002 KV32XBR250 AA-2W IC001 IC002 KV36FS10 AA-2W IC001 IC002 KV36FV15 AA-2W IC001 IC002 AA-2W...
  • Page 87 Model Chassis CPU Reset EEPROM Type Board Ref. # pin # IC Ref. # Switch Switch Switch Switch AA-2W IC001 IC002 KV27FV15 KV32FS10 AA-2W IC001 IC002 AA2W IC001 IC002 KV32FV15 KV32XBR250 AA-2W IC001 IC002 AA-2W IC001 IC002 KV36FS10 KV36FV15 AA-2W IC001 IC002 AA-2W...
  • Page 88 Model Chassis CPU Reset EEPROM Type Board Ref. # pin # IC Ref. # Switch Switch Switch Switch BA-4 IC001 IC003 KV27V65 BA-4C IC001 IC003 KV20FV10 BA-4C IC001 IC003 KV24FV10 KV13M42 BA-4D IC001 IC003 BA-4D IC001 IC003 KV13M52 BA-4D IC001 IC003 KV13M53 BA-4D...
  • Page 89 CONFIDENTIAL SONY csv-1  Sony Service Company Service Bulletin National Technical Services A Division of Sony Electronics Inc. TV Products Park Ridge, New Jersey 07656 Model: KV-27FV15, KV-32FS10, KV-36FS10 KV-32FV15, KV-36FV15, KV-32XBR250 KV-36XBR250 Date: November 22, 1999 Subject: S-Link, IR Headphone, OSD, and 3D Comb...
  • Page 90 32/36 Non XBR Models: 1. In the service Mode record on paper the following register information in both RF & Video mode: VP SSHP RF Data ______ Video Data:_______ DA 2COL RF Data ______ Video Data:_______ DA 2SHU RF Data ______ Video Data:________ 2.
  • Page 91 CONFIDENTIAL SONY csv-1  Sony Service Company Service Bulletin National Technical Services A Division of Sony Electronics Inc. TV Products Park Ridge, New Jersey 07656 Model: KP-53XBR300, KP-61XBR300 Date: December 1, 1999 Subject: Picture Blinks Or Jitters Briefly; "VIDEO 5"...
  • Page 92 CONFIDENTIAL SONY csv-1  Sony Service Company Service Bulletin National Technical Services A Division of Sony Electronics Inc. TV Products Park Ridge, New Jersey 07656 Model: KP-43T70, KP-46C70, KP-48S70, KP-48S72 KP-48V80, KP-53N74, KP-53S70, KP-53V80 KP-61S70, KP-61V80 Date: December 1, 1999 Subject: Bright Picture Followed By Shut-down.
  • Page 93 CONFIDENTIAL SONY  Sony Service Company Service Bulletin National Technical Services csv-1 A Division of Sony Electronics Inc. TV Products Park Ridge, New Jersey 07656 Model: KP-43T70, KP-46C70, KP-48S70 446R1 KP-48S72, KP-53N74, KP-53S70, KP-61S70 Date: January 18, 2000 Subject: Part Number Correction Reference No.
  • Page 94 CONFIDENTIAL SONY CSV-1  Sony Service Company Service Bulletin National Technical Services A Division of Sony Electronics Inc. TV Products Park Ridge, New Jersey 07656 Model: KP-43T70, KP-46C70, KP-48S70, KP-48S72 KP-53N74, KP-53S70, KP-48V80, KP-53V80 KP-61S70, KP-61V80, KP-53XBR200 KP-61XBR200, KP-53XBR300 Subject: NVM User Manual Rev.2...
  • Page 95 SETTING THE DIP SWITCH Pins 1 and 2 will be dedicated to selecting between RA-4 XBR models and all other models due to NVM differ- ences. Pins 3 and 4 will be dedicated to allowing pull up resistors for the target NVM chip if the chip is not getting power on board.
  • Page 96 WRITE To write to the new board, after reading from the original board, clip the test clip to the new NVM chip and press the write key once. When the JIG has completed the write, the yellow LED will light. ERROR INDICATION If the JIG encounters a problem with communication to the NVM chip (i.e.
  • Page 97 DIP SWITCH 1 AND 2 designated for XBR toggle. 3 AND 4 designated for pull up resistors connected with the I2C lines. SHIP TO MODE DIP (Regular NVM mode, NO pullups) OFF OFF RA-4 XBR BD board NVM MODE, PULLUPS ON OFF REGULAR NVM MODE, PULLUPS FOR BOTH SCL AND SDA This option will be needed for A board and BM board on RA-4 XBR.
  • Page 98 RA-3 suffix 12 & 13 OPTIONS With the RA3 PJED NVM you will need to ground the WP line pin 55 IC805 PJED-CPU and supply +5 from the NVM reader/writer to pin 41 and 58 IC805 PJED-CPU. With the RA3 Main CPU NVM you will need to ground the CPU crystal pin 12 IC002 Main CPU.
  • Page 99 CONFIDENTIAL SONY csv-1  Sony Service Company Service Bulletin National Technical Services A Division of Sony Electronics Inc. TV Products Park Ridge, New Jersey 07656 Model: KP-53N74, KP-53S70, KP-61S70 Date: January 5, 2000 Subject: Reference Numbers Are Pointing To The...
  • Page 100 CONFIDENTIAL SONY csv-1  Sony Service Company Service Bulletin National Technical Services A Division of Sony Electronics Inc. TV Products Park Ridge, New Jersey 07656 Model: KP-46C70, KP-48S70, KP-48S72 Date: January 5, 2000 Subject: Reference Numbers Are Pointing To The...
  • Page 101 CONFIDENTIAL SONY CSV-1  Sony Service Company Service Bulletin National Technical Services A Division of Sony Electronics Inc. TV Products Park Ridge, New Jersey 07656 Model: KP-43T70 Subject: Reference Numbers Are Pointing To The Date: January 6, 2000 Wrong Screens...

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