Page 1
MODIFICATION DATA CONTENTS 2003. 2 Addition of Disassembly, Adjustments, Troubleshooting and Diagrams HISTORY (P.1-1, P.2-1, P.3-1, P.4-1) Revised all pages for Exploded Views (P.5-1) MODEL NAME : KE-42XBR900 SERVICE MANUAL PARTS No. : 9-978-755-02 * Blue characters are linking.
KE-42XBR900 US Model SERVICE MANUAL Canadian Model SPECIFICATIONS Panel System Plasma Display panel Display resolution Display resolution: (horizontal) × 768 pixels (vertical) 1024 pixels Antenna 75 ohm external terminal for VHF/UHF Television System NTSC, American TV Standard Channel Coverage 2-13...
Page 3
PDM-4200: 39kg (86 lbs ) Media receiver unit MBT-XBR900: 7.5kg (16 lbs) Power Consumption In Use Display unit PDM-4200: 460 W Media receiver unit MBT-XBR900: 36 W In Standby Under 1.5 W Design and specifications are subject to change without notice. KE-42XBR900(UC) 2...
Page 4
AC Leakage. Check leakage as de- To Exposed Metal scribed right. Parts on Set 0.15 µF 1.5 kΩ Voltmeter (0.75 V) Earth Ground Fig. A. Using an AC voltmeter to check AC leakage. KE-42XBR900(UC) 3...
Page 5
PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE REMPLACER QUE PAR UNE PIÈCE PORTANT LE NUMÉRO THESE COMPONENTS WITH SONY PARTS WHOSE PART SPECIFIÉ. LES RÉGLAGES DE CIRCUIT DONT L’IMPORTANCE EST NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN CRITIQUE POUR LA SÉCURITÉ...
Page 6
In “Fan Error”, the unit is in a standby state after display for 1 minute about the message of “Fan problem – Powering down” • Timing of LED blink (example of 4 times blink) about 3s every about 0.3s KE-42XBR900(UC) 5...
Page 7
• When NO Blue LED of Box shine → Large possibility that Media Receiver Box is out of order. Check SET5V or IIC line on H1 board. • When turn on Media Receiver Box, and Fan does not work → Large possibility that Media Receiver Box is out of order KE-42XBR900(UC) 6...
1-2-9. M, AD, AND AU BOARDS REMOVAL 1 Screw (+PSW 3x8) 2 Shield case KE-42XBR900(UC) 1-15...
Page 25
1-2-10. AD AND AU BOARDS REMOVAL 1 Two screws (PSW 3x8) 3 Four screws (PSW 3x8) Shield upper 2 AU Board 3 Two screws (PSW 3x8) 3 AD Board Shield main KE-42XBR900(UC) 1-16...
1. Slide the DIP switch (S3201) No. 7 of P board to on position with no silkscreen mark r. Panel unit 2. Confirm the lighting of SONY LOGO LED. 3. Adjust the VS voltage to the following voltage value. VS voltage of proper value for each model.
8. As a result above, input the sequential number of value to the “SCNR”, “SCNB” and 08 DHVS “SCNG”. 9. Repeat the same step 5 thru 8 for the W/B 1 thru 4 after setting the “0 WBNO” at each W/B number. KE-42XBR900(UC) 2-2...
LED display G board failure start? Lights. Image erasure NO: No light mode emission Panel module Priming? Fan rotation? failure YES: Light emission Fan or circuit failure Temperature sensor Installation P board failure environment? or circuit failure Environment improvement KE-42XBR900(UC) 3-1...
350mVpp since the signal is terminated at Display unit.) For receiving ends ( SIRCS input and UART input) the check can only be performed when the Display Signal Out terminals are connected to the diplay unit. KE-42XBR900(UC) 3-2...
Page 37
TO T BOARD TO T BOARD TO T BOARD CN1007 CN1007 CN1007 TO K BOARD CN5001 TO R1 BOARD RXD0 CN701 TXD0 TO R2 BOARD PD LVDS CN751 MUTE FIELD FREE KE-42XBR900(UC)
Page 38
CN3202 STBY5V SIRCS MUTE D701 TIMER 2 POWER TIMER 1 Q701-706 D703 POWER LED SW TO P(1/2) BOARD TIMER STBY CN3202 SAVING D705 MUTE (SIRCS, LED) CN3205 STBY5V LOGO Q751-754 LED SW TO P(1/2) BOARD D751 CN3205 D754 (LED) KE-42XBR900(UC)
Page 40
CN1005 D601 T603 T604 D604 TH601 D603 SOURCE PH601 IC602 DRAIN SOURCE REFERENCE VOLTAGE IC601 DRIVER F(LINE FILTER) CN1010 CN652 ALARM G BOARD DISPLAY CN1010 UNIT BOARD D653 D654 Q651 Q652 CN653 VD DISCHARGE G BOARD CN1011 VS DISCHARGE KE-42XBR900(UC)
Page 41
D101-108 P-ON TO A BOARD P-SW(-) CN6203 P-SW(+) DA10 10 H1(LED) J9405 CN9406 S VIDEO CN43 S VIDEO MONITOR VIDEO TO AD BOARD CN4301 VIDEO IN2 VIDEO AUDIO TO AD BOARD CN4001 AUDIO (MONITOR OUT) (VIDEO2 INPUT, VOLUME CONTROL) KE-42XBR900(UC)
Page 42
FAN PROT 2 MAIN CONTROL D6031 D6102 Q6001,6002 IC6004 KEY-WAKE Q6010 V REF RY DRIVE Q6010 TO H1 BOARD RY DRIVE P-LED CN101 STBY LED TIMER LED CN6205 ANT SE Q6207 STBY 5V Q6009,6011 TO ANT SW (POWER, FAN CONTROL) KE-42XBR900(UC)
Page 44
ROM-SDA BINT 62 FL IN 61 FR IN 60 RL IN 59 PR IN CN4704 58 C IN BINT 57 SW IN ROM-SDA ROM-SCL ROM-WP BUS-SEL TMDS-RST IC4705 MIX/LPF IC4708 IC4706 7 CH0 Q4708,4709 MUTE Q4707,4710 MUTE D4707 AU(SURROUND) KE-42XBR900(UC)
Page 45
SDA EXT SCL EXT BINT B INT MID RST MID RST TO M BOARD VPULSE VPULSE CN5238 P-INT POWER INT MID BUSY MID BUSY 3D/GR-RST 3D/GR-RST LVDS-PD IFA(INTERFACE) LVDS-PD CN8008 CN8011 TO A BOARD CN6004 TO DP BOARD CN1604 KE-42XBR900(UC) 4-10...
Page 46
D2-L DVD1-R D2-Y AUDIO D2-CR DVD1-L D2-CB D1-CR HD/DVD IN TO AD BOARD D1-Y CN4501 D1-CB DVD1-R D1-R DVD1-L D1-L J9406 J9401 J9411 SUB WOOFER DVD2-R AUDIO DVD2-L HD/DVD IN J9400 J9206 Q9206 CONTROL SOUT INVERTER (I/O TERMINAL) KE-42XBR900(UC) 4-11...
4-3-2. MEDIA RECEIVER UNIT (MBT-XBR900) U2 Board AU Board AD Board IFA Board U1 Board A Board H4 Board M Board H1 Board MS2 Board H2 Board H3 Board KE-42XBR900(UC) 4-17...
Transistor Drain (FET) Gate sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. Source Transistor Drain (FET) Gate Emitter Collector Transistor Base – Discrete semiconductot Ver.1.6 (Chip semiconductors that are not actually used are included.) KE-42XBR900(UC) 4-18...
R608 R606 C620 R605 R603 F BOARD Terminal name of semiconductors in silk screen printed circuit ( Ref. Q601 D601-D604 D605 : Refer to Terminal name of semiconductors in silk screen printed circuit (see page 4-18) <CONDUCTOR SIDE> KE-42XBR900(UC) 4-19...
Ref. Q701-Q706 Q751-Q754 D701, D703, D705 D751, D754 : Refer to Terminal name of semiconductors : Refer to Terminal name of semiconductors in silk screen printed circuit (see page 4-18) in silk screen printed circuit (see page 4-18) KE-42XBR900(UC) 3-32...
Page 72
TO AD2/4,AD1/4_14 5.1 OUT FL 5.1 OUT FR 5.1 OUT RL 5.1 OUT RR 5.1 OUT C 5.1 OUT LFE BINT BINT ROM-SCL ROM-SCL ROM-SDA ROM-SDA TO AD2/4,AD1/4_8 ROM-WP ROM-WP BUS-SEL BUS-SEL TMDS-RST TMDS-RST AD(2/4) (AV SWITCH2) B-SS4335<UC.>-AD.-P2 KE-42XBR900(UC) 4-37...
Page 77
COMPONENT CONDUCTOR SIDE SIDE Q4706 Q4707 Q4708 Q4709 Q4710 DIODE COMPONENT CONDUCTOR SIDE SIDE D4704 !¡ D4705 D4706 D4707 !¡ D4708 D4709 D4710 : Refer to Terminal name of semiconductors in silk screen printed circuit (see page 4-18) KE-42XBR900(UC) 4-42...
<COMPONENT SIDE> <COMPONENT SIDE> <CONDUCTOR SIDE> <CONDUCTOR SIDE> H3 BOARD Terminal name of semiconductors in silk screen printed circuit ( Ref. D171 !º : Refer to Terminal name of semiconductors in silk screen printed circuit (see page 4-18) KE-42XBR900(UC) 4-48...
1/10W :CHIP(1608) V OUT VIDEO JL9450 VD9422 R9428 220k MONITOR 1/10W :CHIP(1608) VD9423 JL9449 CN9406 JL9448 AUDIO JL9447 CN9406 TO AD(2/4)BOARD <COMPONENT SIDE> J9405 CN4301 V OUT Y OUT VD9410 C OUT CLP1 (OUTPUT TERMINAL) B-SS4335<UC.>-U2. <CONDUCTOR SIDE> KE-42XBR900(UC) 4-61...
The components identified ! marked are critical for safety. Replace only with the part number specified. Les composants identifiés par la marque sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié. KE-42XBR900(UC) 5-1...
5-3. MEDIA RECEIVER UNIT-2(MBT-XBR900) REF.NO. PART NO. DESCRIPTION REMARK * A-1300-834-C BM1C BOARD, MOUNT * A-1300-806-A DICA BOARD, MOUNT * A-1401-663-A DP BOARD, MOUNT * A-1401-66099-B IFA BOARD, MOUNT 7-682-948-09 SCREW +PSW 3X8 B BLOCK ASSY KE-42XBR900(UC) 5-6...
Ne les remplacer que par une pièce portant service. Some delay should be anticipated le numéro spécifié. when ordering these items. RESISTORS When indicating parts by reference • All resistors are in ohms number, please include the board name. • F : nonflammable KE-42XBR900(UC) 6-1...
Page 124
IC UPC1093J-1-T IC1305 8-759-085-67 IC LM339NS IC1306 6-703-182-01 IC IRU3037 IC1401 6-703-355-01 IC MCZ3001DA IC1501 8-759-198-31 IC UPC1093J-1-T IC1601 6-703-355-01 IC MCZ3001DA IC1701 8-759-198-31 IC UPC1093J-1-T IC1801 8-759-198-31 IC UPC1093J-1-T IC1802 8-759-085-67 IC LM339NS IC1803 8-759-198-31 IC UPC1093J-1-T KE-42XBR900(UC) 6-8...