FWD-40LX2F/40LX2X Service Manual
Contents
1. Upper side Conductive cushion FWD 40LX2F 1 4 FWD 40LX2X 1 3 4 G6 Board Remove the cabinet assembly Refer to Section 1 3 1 Arm Fourteen screws Shield cover G G6 board Conductive cushion FWD 40LX2F FWD 40LX2X 4 5 1 3 5 SP Board Remove the cabinet assembly Refer to Section 1 3 1 Remove the arm and shield cover G Refer to Section 1 3 4 Two screws Two screws Screw Inlet bracket Upper side Conductive cushion FWD 40LX2F 4 6 FWD 40LX2X 1 3 6 LCD Panel Remove each part Refer to Sections 1 3 1 to 1 3 5 Three screws Aluminium tape Cable cover Aluminium tape Four screws Aluminium tape ye 6 Base chassis 1 0 Aluminium tape 8 LCD panel S Cushion vi Gasket 02 Gasket _ Upper side Conductive cushion a IS NG Attaching position of gaskets Cushion lt 6 sa i E o 0 Cushion Oo 0 FWD 40LX2F FWD 40LX2X 1 7 1 4 Warning on Power Connection Use the proper power cord for your local power supply United States Continental Europe UK Ireland Australia Japan Canada New Zealand Plug type VM0233 COX 07 636 VM1296 Female end VM0089 COX 02 VM0310B VM0303B VM13132. PC TRANS _ _ EDID2 HDMI CE_REMOTE1 L op Lan een D D DEE T L CONNECT REQUEST CORTEZ PLUS Gpjo PWER kEY INPUT H PULG IN L NC ADC_IN1 2 ES HP_DET2 OUTPUT L CONNECT REQUEST LBADC_IN1 2 Le DSCA DSCL_COM LED_G1 HDMI2 PG TRANS lt a VGA0_ SDA SCL OCM TIMER SELECTOR LED Di EDID3 CE REMOTE VGA1 SDA SCL OCH CS1 SE REMOTE TXDIRXD UDIO 0 CONTROLLED DEVICE spa LED G2 VGA G a EH CONTROLLED Device sc LED D eg sEL_H L OFF H ON SEL_H H HDMI L HDMI2 BDATA11 c EC VGA_SDA SCL ERT HD15 NVM PC TRANS TX RX_PC EDID1 a L OFF H ON BDATA14 TO LOGO CIR IR LEVEL IRO x SHIFT PWM2 LOGO_PWM BV gt 3 3V OP1_IRI IpcLk3 RESET TO AUDIO DEC L RESET H NORMAL OP1_TX RX RS_OUT_EN UART OP2_TX RX UART UART SELECTOR TXIRX SELECTOR S_OUT_EN IRDATA SIRCS IN lt e no peka NV DET OPTION1 a IR L ABNORMAL or OFF uso BLOOKJ C8 OUT N OP RS EN SELECTOR HM Be Se H NORMAL ON QSENSE i i L H OPI BL_CONT RS_RCV_E H L OP2 PWMO zi RESET gt Sae H H IRO L OP1 or OP2 NORMAL H OP1 lt gt OP2 OP2 SEN OPiSEN ALARM La LBADC_3 4 UART Wm SELECTOR RESET RS_OUT_EN DIPEXTCOAST UART BDATA16 PPWER PBIAS S_OUT_EN POWER_OFF OP1_QSENSE1 2 ENSE1 2 OPTION2 iBe IN la SENSEI TO POWER SUPPLY U20 BLOCK QSENSE AU_ON SIRCS OUT OP2_QSENSE1 2 SELECTOR GR SEL1 SEL2 SELECT FOR AUDIO AMP QSENSE e E SEJ PPWR RESET 6 Q_SEL2 FOR PANEL LOGIC POWER A GRESET
3. INPUT and buttons 1 V 1 5 V and 2 2 V are sent to an ADC_INI signal when you press the RIGHT DOWN and buttons 0 V is sent when you press only the POWER button as a PWR_KEY signal Each signal is set to 3 3 V when you press no button 3 3 H2 Board The H2 board mounts an infrared remote control photosen sor IU1 and sends data to the A board as an IR signal This board also mounts two color LED ID5 that displays the status of this unit The LED controls light emission by controlling the cathode FWD 40LX2F FWD 40LX2X 3 4 G6 Board AC input rectification block CN901 on the G6 board is connected to an AC inlet and AC power is input from the AC inlet The input AC power is passed through an AC noise filter consisting of C910 C901 C904 L901 L903 and L904 and bridge rectified using BD901 PFC converter AC power is rectified using BD901 and the power factor is improved using a PFC converter consisting of Q911 IC911 T911 D912 C920 and C921 Moreover an output voltage is increased and stabilized to 390 VDC The smoothed output voltage is supplied to a standby converter and main converter Standby converter 5 V 5 VD and 5 VS and 12 V are output from a switching converter consisting of IC931 and T931 5 VD is output from CN931 pins 2 to 4 and 5 VS is output from CN931 pin 8 12 V is output from CN950 pins 6 and 7 During standby however the output voltage that is not increased
4. This detects the temperature of the A board and power supply boards G6 board This unit shuts down when the state in which the temperatures below were exceeded is detected for two seconds or more A board 76 C Power supply board 100 C 3 Abnormality of supply voltage The DC voltage error detection in the A board is performed This unit is shut down when the voltage of 13 V becomes 6 9 V or less after the power is turned on The indicator flashes when an abnormal voltage is detected for approximately 50 seconds The power may be shut down before the indicator starts flashing 2 1 Section 3 Circuit Description The main functions of each board in this unit are as described below A board This board mounts an HD15 connector and two HDMI connector interfaces It processes a video signal together with the signal from an option board using a scaler and outputs data to the display panel This board also outputs the selected audio signal to the SP board JT board This is a relay board used for connecting the option board and A board of slot 2 HI board This is a user interface board This board mounts POWER INPUT ENTER MENU UP DOWN RIGHT and LEFT buttons H2 board This board mounts two color LED which displays the status of this unit and a remote control photosensing block LOGO board This is an LED board used for shining a SONY logo SP board This board mounts a s
5. No CI W NO R O to Co I Part No SP 2 580 602 01 s 2 580 628 01 s 2 580 639 01 s 2 667 019 01 s 2 681 589 21 s 2 681 589 31 s 2 159 493 02 s 2 697 732 01 s 2 697 733 01 s 3 254 058 01 s 0 0 2 319 096 5 2 319 096 4 7 628 000 10 s 1 685 646 79 s FWD 40LX2F S Z 5 FWD 40LX2FIB Ka B GI FWD 40LX2F S FWD 40LX2F B Description SCREW PSW M4X12 SCREW BVST 3X6 SCREW BVTP2 4X12 HOOK LIGHT GUIDE FOR FWD 40LX2F S LIGHT GUIDE FOR FWD 40LX2F B LIGHT GUIDE FOR FWD 40LX2X CONTROL BUTTON PANEL CONTROL BUTTON SCREW CUSHION CUSHION SCREW PSW M6X20 SCREW BVTP 3X8 TYPE2 IT 3 FWD 40LX2F FWD 40LX2X No Part No 1 A 1 576 233 5 2 A 1 756 157 3 189 674 4 A 1 789 676 A 1 789 678 5 189 682 6 189 683 7 802 267 12 802 267 22 802 267 32 8 820 823 9 2 580 592 0 10 2 580 593 0 FWD 40LX2F FWD 40LX2X SP nnn o o o o o o o o Description FUSE H B C BATTERY LITH OUNTED CIRCU OUNTED CIRCU FOR FWD 40LX2F S FWD 40LX2F B OUNTED CIRCU FOR FWD 40LX2X OUNTED CIRCU LCD PANEL 4 LCD PANEL 4 LCD PANEL 4 AC INLET SCREW PSW SCREW PSW OUNTED CIRCU 6 3A 250V UM T BOARD G6 T BOARD A T BOARD A T BOARD SP T BOARD JT NCH WXGA TFT NCH WXGA TFT NCH WXGA TFT 3X8 3X8 No Cs G DOF O to CO 310 Part No 2 580
6. TXA10 i5 RxIN1 GND EIN GND TXA13 17 I Rx IN2 TXA13 Ip I Rx IN2 GND 19 I GND NA 20 I LVDS Clock Dec SELI ai I LVDS Clock DCC SELO 22 i GND GND 23 RxIN3 GND 24 I Rx IN3 GND 25 I GND 5V PANEL 26 i NA 5V PANEL 27 NG 5V PANEL 28 I 5V PANEL 29 NG 5V_PANEL 30 I NG NG i NG I NG I DCC SELO I DCC SELI I DCC LUT SELO H l DCC LUT SELI I DCC LUT SEL2 I NG i I NG NG I IE I I SS 04 TT poo y e aa Sc 6 3 E F Frame Wiring FWD 40LX2F FWD 40LX2X SAFETY CHECK OUT After correcting the original service problem perform the following safety checks before releasing the set to the customer Check the metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 3 5 mA Leakage current can be measured by any one of three methods 1 Acommercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instruments 2 Abattery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC voltmeter The limit indication is 5 25 V so analog meters must
7. angle setting or zoom setting are set and LVDS transferred to the panel through CN2 There are the analog input from a mini jack CN3 slot 1 or slot 2 and the digital input from HDMI in an audio input An analog audio signal is input to an audio proces sor circuit U14 The audio signal from HDMI is output from a scaler circuit as an PS signal and input to U14 The audio processor circuit is controlled by PC to switch the input and set the sound quality and volume The selected audio signal is passed through an amplifier circuit U17 and output to the SP board through CN10 The mini jack input cannot be only selected as the function of the main unit only during HD15 input but also it can be selected as an audio input during conversion of DVI into HDMI An audio signal is muted by the software control of an audio processor and the hardware control of an amplifier 3 1 This unit is used for BKM FW20 that has RS 232C and Control S as an option board The RS 232C UART signal from an option slot is selected using a switching circuit U41 The signals from option slots 1 and 2 are selected when OPI RS EN or OP2_RS_EN is set low on the option side OP1_RS_EN or OP2_RS_EN is low during initial setting of BKM FW20 Slot 2 has priority when both OP1_RS_EN and OP2_RS_EN are low The selected RS 232C signal is connected to the control port or firmware write port of a scaler circuit using a switching circuit U31 It is switched to the firmware
8. the base chassis assembly hold the four portions A and remove it from the bezel assembly Place the removed base chassis assembly on the conductive cushion Two screws Three screws Two screws 2 Control button panel Oo TKA a Corner A bracket a Eneasz Harness 02 Screw K KCN1 j Portions A 3 Side bracket Gu beard d NN Eight screws FWD 40LX2FIS i KA FWD 40LX2F B a en Three A B gt O Corner B bracket Two VOS SR screws Ges en N Base chassis assembly Ho Three screws Three screws NAO Two screws e SEW DS S Corner B Q bracket SE A Black tape 3 Side bracket O comers FWD 40LX2F S gt Lacks FWD 40LX2F B Upper side SE D i A LCN1 i 5 e T Pa V Sans Ko w ya Conductive cushion LOGO U lt 4 A ene assembly Q Light 2 Bezel assembly S BAN guide Ka H2 board O Light Y guide EWD 40LX2F S FWD 40LX2X ya FWD 40LK2F B FWD 40LX2F FWD 40LX2X 4 3 1 3 3 A Board JT Board Remove the cabinet assembly Refer to Section 1 3 1 Removing the lithium battery Remove the lithium battery in the direction of the arrow Lithium battery CR1220 Battery holder Nine screws CD Eight screws CN7 CN18 CN2 T CN19 a CA z CN16 CN1O Shield cover Pa NS JT board A board
9. write port position when an FWE signal is set low on the option side as the control of U31 The FWE signal is high during initial setting of BKM FW20 The signal IR from a remote control photosensing block is shifted in level to a signal TRO of 5 V to 3 3 V using U27 branching to each option slot connector The Control S signals OP1 IRI and OP2_IRI from the IRO signal and each option slot are input to a switching circuit U29 selected and input to the IR port of a scaler circuit Which signal to select is determined by controlling the OP1_S_EN and OP2_S_EN signals from each option When BKM FW20 is not connected each signal is set high and an IRO signal is selected The IRI signal from each slot is selected when OP1_S_EN and OP2_S_EN signals are set low Slot 2 has priority when both OP1_S_EN and OP2_S_EN signals are low The OP1_S_EN and OP2 S EN signals are low during initial setting of BKM FW20 The A board mounts a real time clock circuit U11 The real time clock circuit is controlled by PC A timer function is controlled based on the time read operation by polling from a scaler During timer correction a timer is adjusted to an error of 3 ppm by outputting a pulse of 1 Hz to CN8 and putting a correction value in the register of IC according to the obtained measurement value The corrected value is obtained in the adjustment stage of a single board at a factory and stored in memory It is not lost even in the state in which the
10. 3 y 275 3 7 Repeat steps 3 to 6 to keep balance 8 Exitthe service mode using a button The adjustment data is saved 4 2 4 Neutral Adjustment 1 Select NEUTRAL by Color Temperature in a menu 2 Put the sensor of a color thermometer to the center of the screen 3 Input a fully white signal of 65 IRE Change the R GAIN G GAIN and B GAIN values in a menu and adjust so that x and y satisfy the specifica tions below NEUTRAL x 28741 y 294 1 5 Input a fully white signal of 25 IRE 6 Change the R OFFSET G OFFSET and B OFFSET values in a menu and adjust so that x and y satisfy the specifications below NEUTRAL x 287 3 y 293 3 7 Repeat steps 3 to 6 to keep balance 8 Exit the service mode using a button The adjustment data is saved 4 2 4 2 5 Warm Adjustment 1 Select Warm by Color Temperature in a menu 2 Put the sensor of a color thermometer to the center of the screen 3 Input a fully white signal of 65 IRE Change the R GAIN G GAIN and B GAIN values in a menu and adjust so that x and y satisfy the specifica tions below WARM x 305 1 y 315 1 5 Input a fully white signal of 25 TRE 6 Change the R OFFSET G OFFSET and B OFFSET values in a menu and adjust so that x and y satisfy the specifications below WARM x 308 3 y 317 3 7 Repeat steps 3 to 6 to keep balance 8 Exit the service menu using a button The adjustment data is save
11. 4 2 3 Cool Adjustment ENNEN 4 2 4 2 4 Neutral Adjustment 5 lt lt c sx lt ss 4 2 4 2 5 Warm Adjustment NGGE a aaa 4 2 FWD 40LX2F FWD 40LX2X 5 Spare Parts 5 1 Notes on Repair Parts 5 1 2 2 Exploded Vie WS eee a ii 5 2 6 Diagrams 6 1 Overall Block Diagrams sese esse eee 6 1 6 2 Frame Wii ta 6 3 Section 1 Service Overview 1 1 Appearance Figure S000 U odlo o o 0601 eses 06661 2 9 Z 67 o Gi 1 2 Board Location A board G6 board U20 board U10 board lt JT board 2 SS LOGO board board H2 board FWD 40LX2F FWD 40LX2X 1 1 1 3 Disassembly When removing installing the cabinet and replacing the board place the unit on the conductive cushion 1 3 1 Cabinet Assembly The illustration indicates FWD 40LX2F S and FWD 40LX2F B Side cable cover Screw U20 block assembly lt Four screws Two screws Panel securing K Four knobs Four screws Te Panel securing screws U10 block assembly EN Side cable cover Upper side Conductive cushion FWD 40LX2F 1 2 FWD 40LX2X 1 3 2 Bezel Assembly H1 Board H2 Board LOGO Assembly Remove the cabinet assembly Refer to Section 1 3 1 When removing the base chassis assembly be sure to work with more than two persons When removing
12. 594 2 580 602 2 580 606 2 580 628 2 890 185 1 2 890 185 2 990 241 02 4 083 966 2 580 591 2 898 753 2 898 753 1 1 685 646 79 Chassis Block SP Description SCR SCR SCR SCR WIR o o o o WIR DCH DCH o o o un o EW PSW M3X12 EW PSW M4X12 EW PSW M5X8 EW BVST 3X6 E SADDLE E SADDLE HOLDER A PLUG EW HEXAGON EW PSW M3X5 GASKET s GASKET S SCREW BVTP 3X8 TYPE2 IT 3 5 3 Packing Block No Part No SP Description 201 1 479 983 11 s REMOTE COMMANDER RM FW001 202 9 885 099 05 s BATTERY COVER FOR RM FW001 203 1 566 316 11 s CONNECTOR CONVERSION 204 1 830 712 11 s CONNECTION CABLE VIDEO CABLE 205 X 2176 505 1 s CABLE HOLDER PACKING 4P 206 2 890 214 01 s MANUAL INSTRUCTION JAPANESE ENGLISH FRENCH GERMAN SPANISH ITALIAN SIMPLIFIED CHINESE 207 2 890 195 01 s ACCESSORY BOX 208 2 890 193 01 s CUSHION UPPER 209 2 890 194 01 s CUSHION LOWER 210 2 890 196 01 s PROTECTION BAG 211 2 890 192 01 s INDIVIDUAL CARTON 212 2 990 242 01 s HOLDER B PLUG 213 3 613 640 01 o PLUG HOLDER C 214 A CORD POWER See Sec 1 4 Warning on Power Connection FWD 40LX2F 5 4 FWD 40LX2X Overall Block SS SP40FW No Part No SP Description 301 A 112
13. 7 888 A s SPEAKER ASSY 40R RP SILVER A 1129 682 A s SPEAKER ASSY 40R RP PEARL WHITE 302 A 1127 889 A s SPEAKER ASSY 40L RP SILVER A 1129 683 A s SPEAKER ASSY 40L RP PEARL WHITE 303 2 580 602 01 s SCREW PSW M4X12 304 2 580 639 01 s SCREW BVTP2 4X12 FWD 40LX2F FWD 40LX2X 5 5 Board Connections TOP SIDE cnt INVERTER Board H1 Board KCN1 CN202L CN201R CTRL Board CN101 G6 Board CN951 CN950 CN931 ICN10 CN16 El a Board o Part z9 9 9 9 9 9 9 9 BDO OOOO 5 6 H2 Board No SP Description 031 70 s CONNECTOR ASSY LVDS 031 77 o CONNECTOR ASSY 8P MAIN 031 78 o CONNECTOR ASSY 12P MAIN 031 79 o CONNECTOR ASSY 14P POWER 031 80 o CONNECTOR ASSY 7P IR 031 81 o CONNECTOR ASSY 5P KEY 031 82 o CONNECTOR ASSY 3P LOGO 031 83 o CONNECTOR ASSY 4P SP LOGO Board FWD 40LX2F FWD 40LX2X 6 1 HDMI1 HDMI2 HD15 OPTION1 U10 BLOCk OPTION2 U20 BLOCk FWD 40LX2F FWD 40LX2X Overall Block Diagrams Section 6 Diagrams Overall 1 2 Overall 1 2 HDMI_EQ H
14. Cord type SVT HO5VV F CEE 13 53rd O C HVCTF Minimum cord 10 A 125 V 10 A 250 V 10 A 250 V 10 A 125 V set rating Safety approval UL CSA VDE VDE DENAN HO 1 Use an appropriate rating plug which complies with local regulations 1 8 FWD 40LX2F FWD 40LX2X Section 2 Troubleshooting 2 1 Judgment When No Image is Displayed The status in the case where No image is displayed is displayed according to the number of times when the POWER STANDBY indicator in the lower right position of this unit s front panel blinks in red Blinking of two to three times or five times is repeated after several seconds Number of blinking times Status Two times An error code is detected from the panel Three times When the sensor temperature exceeds the allowable value Five times 13 V power supply is detected al Front side POWER STANDBY indicator FWD 40LX2F FWD 40LX2X 2 2 Self Diagnosis Function The self diagnosis function installed in this unit forcibly shuts down this unit when the items below are detected abnormality is generated or when the allowable value are exceeded The detected items and the allowable values are as described below 1 Panel error This monitors the operation abnormality of a panel inverter This unit shuts down when the INV DET signal input from CN19 on the A board remains high after the power is turned on 2 Increase in sensor temperature
15. ENABLE L DISABLE SEL_H H HDMI1 L HDMI2 CORTEZ PLUS IC NVM MSTRO SCL SDA MSTR1 SCL SDA 2 MSTR2 SCL SDA HDMI INPUT PORT PC R G B AIB C 4 HS PC VS PC CVBS FOR SCART RGB ABIC 2 gt A 1 SV 3 ELECTOR Zu SELECTOR Bois PC_HS VS VGA_HS VS S V4 AU SELECTOR an y LL HD15 L H V H VIDEO AIB C 3 JACK PC VS HL OP LH OP2 SYNC_MODE B_UC_I OP1_HS VS SV 2 OP2_HS VS SV 1 R BN EbPt OP1_PY PB PR YC RSE gt LPF HS VS ine OP1 CVBS rr OP2_PY PB PR H V exe gt LPF AUDIOS OP2_CVBS BE S WS DA CL PS OUT L RESET H NORMAL RESET PC BU RGB YPbPr YC L MUTE H NORMAL EC NVM CVBS NVM PC_L R AUDIO SPK_UR AUDIO L R H V EE PROCESSOR PC_3 3V AUS L R AUDIO 1 PC BV TEMP 6 1 6 1 LVDS LCD PANEL DDRx2 RTC SIGNAL 8 PC BLOCK Overall 1 2 Overall 2 2 Overall 2 2
16. L RESET H NORMAL FOR PANEL INSERTER POWER ALARM ALARM PULSE OUT CONTROL BLOCK Overall 2 2 FWD 40LX2F 6 2 6 2 FWD 40LX2X 6 2 Frame Wiring FWD 40LX2F FWD 40LX2X A Frame Wiring Note The components identified by mark information Frame Wiring A contain confidential Strictly follow the instructions whenever the components are repaired and or replaced LCD PANEL INVERTER 17 5V 17 5V 17 5V 17 5V A 8 ADC_IN2 GND ADC_INI GND PWR_KEY PWR_KEY CN950 ONI9 INV_DET 13V G 13V G GND GND 12V G 12V G GND GND PS_TEMP1 INV_ON INV_ADJ NC PS_TEMP INV_ON OFF INV_ON OFF 0N931 N18 PS ON OFF P0WER_0FF 5V G1 5V G1 5V G1 GND GND GND 5V G1 A AC INLET CN901 1 L 3 N N10 AUDIO_L AUDIO_L AUDIO_R AUDIO Bi SPEAKER bh SPEAKER D GREEN RED2 NC L a gt 1 NG CHASSIS GND c CN2 17 57 GND GND GND GND GND Panel_DET BL_ON OFF VDIM DCC LUT SELO 1 DCC LUT SELI 2 DCC LUT SEL2 3 GND 4 TXAH0 5 mun 8 GND 7 Txati 8 mu 9 GND 10 TXAH2 In Rx INO TXA12 12 RxIN0 GND 13 GND TXAHC 14 RxINi
17. SONY FLAT WIDE DISPLAY MONITOR FWD 40LX2F FWD 40LX2X REMOTE COMMANDER RM FW001 SPEAKER SYSTEM SS SP40FW SERVICE MANUAL 1st Edition Revised 1 ASS TON TAS Id C EXAHA CTS BARN TON Ta WERNA NAAA AUR HR ERTS LERENA LRR LZ LEH Z Z ENA ET Zll X X LT ZTM CR LLP LT T RIE D TIH S V ZA WARNING This manual is intended for qualified service personnel only To reduce the risk of electric shock fire or injury do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so Refer all servicing to qualified service personnel ZA WARNUNG Die Anleitung ist nur f r qualifiziertes Fachpersonal bestimmt Alle Wartungsarbeiten d rfen nur von qualifiziertem Fachpersonal ausgef hrt werden Um die Gefahr eines elektrischen Schlages Feuergefahr und Verletzungen zu vermeiden sind bei Wartungsarbeiten strikt die Angaben in der Anleitung zu befolgen Andere als die angegeben Wartungsarbeiten d rfen nur von Personen ausgef hrt werden die eine spezielle Bef higung dazu besitzen ZA AVERTISSEMENT Ce manual est destin uniquement aux personnes comp tentes en charge de l entretien Afin de r duire les risques de d charge lectrique d incendie ou de blessure n effectuer que les r parations indiqu es dans le mode d emploi a moins d tre qualifi pour en effectuer d autres Pour toute r paration faire appel une personne comp tente uniqu
18. but smoothed is supplied from a PFC converter Main converter 17 V and 13 V are output from a switching converter consisting of IC950 IC951 Q950 Q951 T950 and T913 17 V is output from CN951 pins 1 to 5 and 13 V is output from CN950 pins 2 and 3 Main ON OFF control A PFC converter and main converter are turned on and off by CN931 pin 1 when a PS signal is set high and low using a microcomputer Q934 is turned on when a PS signal is high A PFC converter is turned on when Q931 is turned on A main converter is started when IC913 is started after Q931 is turned on Q934 is turned off when a PS signal is low A PFC converter and main converter stop operation when 0931 is turned off and when IC913 is stopped FWD 40LX2F FWD 40LX2X Section 4 Electrical Alignment 4 1 Service Mode 4 1 1 Start 1 Input any signal to this unit 2 Turn on the power of this unit 3 Perform the operation below using a remote controller RM FW001 supplied for this unit with OSD not displayed 1 Press the button two times 2 Press the button 3 Press the button 4 Press the button 5 Press the button The service mode is started INPUT SOURCE TERN TEMPERATURE 3 OFFSET OFFSET IG MODE CALIBRATION ORY RESET EDID Prot To exit this screen press the MENU button FWD 40LX2F FWD 40LX2X 4 2 White Balance Adjustment This unit is adjusted to the prescribed white balance during factory se
19. d FWD 40LX2F FWD 40LX2X Section 5 Spare Parts 5 1 Notes on Repair Parts 1 Safety Related Components Warning Components marked A are critical to safe operation Therefore specified parts should be used in the case of replacement 2 Standardization of Parts Some repair parts supplied by Sony differ from those used for the unit These are because of parts common ality and improvement 3 Stock of Parts Parts marked with o at SP Supply Code column of the spare parts list may not be stocked Therefore the delivery date will be delayed 4 Harness Harnesses with no part number are not registered as spare parts The components identified by mark contain confidential information Strictly follow the instructions whenever the components are repaired and or replaced FWD 40LX2F FWD 40LX2X 5 1 Cover Block 5 2 Exploded Views FWD 40LX2F S FWD 40LX2F B No o N 5 O to CO I o 5 2 Part No A 1215 079 A A 1215 080 A X 2149 770 X 2159 382 X 2067 326 2 X 2149 771 1 789 684 1 1 789 685 1 1 789 686 1 2 159 507 1 2 159 508 1 2 580 594 0 SP Description U10 BLOCK ASSY U20 BLOCK ASSY BEZEL ASSY FOR FWD 40LX2F S BEZEL ASSY FOR FWD 40LX2F B BEZEL ASSY FOR FWD 40LX2X CABINET ASSY MOUNTED CIRCUIT BOARD LOGO MOUNTED CIRCUIT BOARD H2 MOUNTED CIRCUIT BOARD Hl CABLE COVER SIDE CABLE COVER BOTTOM SCREW PSW M3X12 FWD 40LX2X
20. e Wall Mount Bracket may fall and cause injury or property damage Do not mount any equipment other than the specified product If you mount equipment other than specified in the instruction manual of the Wall Mount Bracket it may fall or break and cause injury or property damage Do not install the Display Unit over or under an air conditioner If the Display Unit is exposed to water leaks or air current from an air conditioner for a long time it may cause a fire an electric shock or a malfunction of the Display Unit Do not allow the mains lead or the connecting cable to be pinched If the mains lead or the connecting cable is pinched between the unit and the wall or is bent or twisted by force the internal conductors may become exposed and cause a short circuit or an electrical break This may cause a fire or an electric shock After proper installation of the Display Unit secure the cables properly If people or objects get tangled in the cables this may result in injury or damage to the Display Unit Be careful not to hurt your hands or fingers when installing the Display Unit FWD 40LX2F FWD 40LX2X Caution Provide an ample amount of space around the display When you set up the Display Unit make sure there is more space around the display than that shown in the figure below This will allow for proper ventilation e Wile the unit is on a certain amount of heat builds up inside This can cause burns Avoid touch
21. ement FWD 40LX2F FWD 40LX2X par ER FREDO MICAS TS MAT SRM H D KT MERE DEMI II TALE LT lt TZ Z L CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or eguivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions Vorsicht Explosionsgefahr bei unsachgemaBem Austausch der Batterie Ersatz nur durch denselben oder einen vom Hersteller empfohlenen ahnlichen Typ Entsorgung gebrauchter Batterien nach Angaben des Herstellers ATTENTION Il y a danger d explosion sil y a remplacement incorrect de la batterie Remplacer uniquement avec une batterie du m me type ou d un type quivalent recommand par le constructeur Mettre au rebut les batteries usag es conform ment aux instructions du fabricant For the customers in the Netherlands Voor de klanten in Nederland Hoe u de batterijen moet verwijderen leest u in de tekst van deze handleiding Gooi de batterij niet weg maar lever deze in als klein chemisch afval KCA A gt 4 K 8 ADVARSEL Lithiumbatteri Eksplosionsfare ved fejlagtig h ndtering Udskiftning m kun ske med batteri af samme fabrikat og type Lever det brugte batteri tilbage til leverand ren ADVARSEL Lithiumbatteri Eksplosjonsfare Ved utskifting benyttes kun batteri som anbefalt av apparatfabrikanten Brukt batteri returneres apparatl
22. everand ren VARNING Explosionsfara vid felaktigt batteribyte Anv nd samma batterityp eller en likvardig typ som rekommenderas av apparattillverkaren Kassera anvant batteri enligt gallande f reskrifter VAROITUS Paristo voi rajahtaa jos se on virheellisesti asennettu Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin Havita kaytetty paristo valmistajan ohjeiden mukaisesti F r Kunden in Deutschland Entsorgungshinweis Bitte werfen Sie nur entladene Batterien in die Sammelboxen beim Handel oder den Kommunen Entladen sind Batterien in der Regel dann wenn das Ger t abschaltet und signalisiert Batterie leer oder nach l ngerer Gebrauchsdauer der Batterien nicht mehr einwandfrei funktioniert Um sicherzugehen kleben Sie die Batteriepole z B mit einem Klebestreifen ab oder geben Sie die Batterien einzeln in einen Plastikbeutel For the customers in Taiwan only has Ou FWD 40LX2F FWD 40LX2X 1 P Notes on Wall Mounting For Sony Dealers Sufficient expertise is required for installing this product on the wall Be sure to read the instruction manual provided with the Wall Mount Bracket thoroughly to do the installation work safely Sony is not liable for any damages or injury caused by mishandling or improper installation Be sure to use the UL approved Wall Mount Bracket which is tested with FWD 40LX2F 40LX2X based on TEC60950 and UL60950 SONY is not liable for any damages or inj
23. have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a passive VOM that is suitable Nearly all battery operated digital multimeters that have a 20 V AC range are suitable See Fig A To Exposed Metal Parts on Set A AC 0 15 uF 1 5 kQ voltmeter 5 25V K Earth Ground Fig A Using an AC voltmeter to check AC leakage FWD 40LX2F WW Printed in Japan FWD 40LX2X WW E Sony Corporation 2007 2 22 9 834 142 02 2006
24. ing the top or rear of the unit when it is powered on or just after it has entered standby mode When mounting the display horizontally 2 5 1 7 9 7 8 NR H 10 10 4 4 A 25 9 7 8 Unit cm inches When mounting the display vertically 2 5 p A kad ka gt 20 25 9 7 8 9 7 8 U Make sure that the POWER switch is at the B lower right 1 10 4 Unit cm inches FWD 40LX2F FWD 40LX2X 3 P Table of Contents 1 Service Overview 1 1 Appearance Figure inen aana de a A a AE a aia en aa 1 1 1 2 Board Location cuina 1 1 1 34 Disassembly 222er 1 2 1 3 1 Cabinet Assembly sees 1 2 1 3 2 Bezel Assembly H1 Board H2 Board LOGO Assembly 1 3 3 A Board JT Board A 1 3 4 GOBOArd s hh ahaa selec ang tege ii s 1 3 5 SPB di tad 1 3 6 LCD Pahel iii ds 1 4 Warning on Power Connection 2 Troubleshooting 2 1 Judgment When No Image is Displayed 2 2 Self Diagnosis Function sese ese 3 Circuit Description 3 1 A Board au ee cetera tee pa ak 3 1 3 2 HI Board 3 2 3 3 H2 Board 3 2 324 GO Board acne ete aan ve a Ga a ee 3 3 4 Electrical Alignment le Service Modems laa 4 1 4 1 1 Sta z OZ ONA A AAG 4 1 4 2 White Balance Adjustment ss s lt lt s 4 1 4 2 1 Preparation ar OKA O O 4 1 4 2 2 Settings O Tawa IA 4 1
25. peaker output terminal for audio output G6 board This is a power board that has output voltages of STBY5 V 5 V 12 V and 13 V FWD 40LX2F FWD 40LX2X 3 1 A Board The A board mounts HD15 CN1 HDMI CN12 and HDMI2 CN11 as a video input terminal The signal from option slot 1 is input from CN14 and the signal from option slot 2 is input from CN13 through the JT board The RGB YPbPr signals from HD15 and slots 1 and 2 are directly input to a scaler circuit US HDMI and HDMI2 signals are switched using an egualizer U20 and the selected TMDS signal is input to the scaler circuit An egualizer switches signals and controls the signal output by the port control SEL H and CE H from a scaler circuit The CVBS and Y C signals from an option slot are input through a n type filter circuit to a scaler circuit The video signal from which an HDMI signal was eliminated is input to a scaler circuit without passing through a switch circuit However the RGB sync signals from slots 1 and 2 and HD15 are selected using a switching circuit U3 by HV SA and HV SB signals and input to a scaler circuit The input signal from HD15 is used for a video sync signal It is switched using a switching circuit U4 by a SYNC_MO signal and input to the port of a scaler circuit that differs from the case of an H sync signal In a scaler circuit resolution is converted according to the display panel and various picture qualities as well as wide
26. power is not connected A button battery is connected to RTC Even with the AC power not connected power is supplied to IC so that U11 operates continuously The backlight of LCD is controlled by the PWM signal BL_CONT from a scaler circuit The PWM signal is inverted using Q20 integrated using R373 and C356 and output to CN19 as a DC signal INV_ADJ The On Off signal PBIAS of a panel inverter is output from the dedicated port of a scaler and then output from CN19 as an INV_ON signal 3 2 A PWM signal LOGO PWM is output from a scaler circuit to the LOGO board that shines a SONY logo The output signal of an amplifier circuit U28 is integrated to drive LED on the LOGO board as a DC signal This LED is turned on and off using the LOGO_EN signal from a scaler circuit An option board is discriminated by discriminating OP1_SENSE1 OP1_SENSE2 OP2_SENSEI and OP2_SENSE2 signals at the ADC port of a scaler circuit using a voltage These signals are passed through IC U30 and switched using the control signals O SELI and Q_SEL2 from the scaler circuit Only when the power is turned on these signals are switched and the option board is discriminated After that the output signal U30 is switched to power temperature PS_TEMP and polled as a self diagnosis function 3 2 H1 Board A button input signal is sent to the A board as a DC voltage signal 1 V 1 5 V and 2 2 V are sent to an ADC_IN2 signal when you press the MENU
27. tting The average value of white balance is written in the A board during factory setting AD calibra tion has also been adjusted during factory setting Perform the adjustment in this section when white balance adjustment is required Initial values of A board RED GREEN BULE RED GREEN BLUE 1 1 1 x2 x2 x2 COOL 235 223 255 122 125 124 NEUTRAL 253 238 250 122 124 125 WARM 255 235 222 121 123 125 1 GAIN 2 OFFSET 4 2 1 Preparation Required equipment Signal generator It is recommended to use 480i HD15 Component as a connection signal However the signal to be actually input can also be used Color thermometer Preparation 1 Input a signal to this unit and age for 30 minutes or more 4 2 2 Setting 1 Start the service mode Refer to Section 4 1 1 2 Select HD15 by INPUT SOURCE in a menu Select according to the input signal when inputting any signal 4 1 4 2 3 Cool Adjustment 1 Select COOL by Color Temperature ina menu 2 Put the sensor of a color thermometer to the center of the screen 3 Input a fully white signal of 65 IRE Change the R GAIN G GAIN and B GAIN values in a menu and adjust so that x and y satisfy the specifica tions below COOL x 272 1 y 277 1 5 Input a fully white signal of 25 IRE Change the R OFFSET G OFFSET and B OFFSET values in a menu and adjust so that x and y satisfy the specifications below COOL x 269
28. ury caused by using any Wall Mount Bracket which is not Approved by UL Be sure to install the Display Unit securely to the wall following the instructions given in the instruction manual of the Wall Mount Bracket If any of the screws are loose or fall out the Display Unit may fall and cause injury or property damage Be sure to use the appropriate screws for the material of the wall and install the unit securely If the wall on which the Wall Mount Bracket is installed is unstable uneven or not perpendicular to the floor the unit may fall and cause injury or property damage The wall should be capable of supporting a weight of at least four times the Display Unit weight 104 0 kg The Display Unit weight of FWD 40LX2F 40LX2X is approximately 26 0 kg Be sure to use the specified screws and attachment parts properly following the instructions given in the instruction manual of the Wall Mount Bracket If you use substitute items the Display Unit may fall and cause bodily injury to someone or damage to the Display Unit Be sure to assemble the bracket properly following the instructed procedure explained in the instruction manual of the Wall Mount Bracket Be sure to tighten the screws securely in the designated position If you fail to do so the Display Unit may fall and cause bodily injury to someone or damage to the Display Unit Do not disassemble or make alterations to the parts of the Wall Mount Bracket If you do so th
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