Sony KLV-20G300A Service Manual Download | Manualshive

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4-4 Schematic

Mounted PWB G Board (Power Inverter Board) (2/3)

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KLV-20G300A

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Summary of Contents for KLV-20G300A

Page 1: ...ANUAL LAXGCHASSIS MODEL NAME REMOTE COMMANDER DESTINATION 9 834 172 01 KLV 20G300A RM YA007 CANADA KLV 20G300A RM YA007 MEXICO HISTORY INFORMATION FOR THE FOLLOWING MANUAL ORIGINAL MANUAL ISSUE DATE 4 2007 REVISION DATE SUBJECT ...

Page 2: ...LCD HDTV MONITOR SERVICE MANUAL LAXGCHASSIS MODEL NAME REMOTE COMMANDER DESTINATION 9 834 172 01 KLV 20G300A RM YA007 CANADA KLV 20G300A RM YA007 MEXICO KLV 20G300A RM YA007 ...

Page 3: ...TMENT 12 SECTION 4 DIAGRAMS 4 1 BOARD LAYOUT WIRING LAYOUT 13 4 2 FRAME DIAGRAM 14 4 3 BLOCK DIAGRAM 15 4 4 SCHEMATICS A Main Board 16 24 G Power Inverter Board 25 27 H1 H2 H3 Board 28 30 SECTION 5 EXPLODED VIEW PARTS LIST 34 35 TABLE OF CONTENTS 4 5 PATTURN Layout A Main Board 31 G Power Inverter Board 32 H1 H2 H3 Board 33 KLV 20G300A ...

Page 4: ...eo Y 1 0 Vp p 75 ohms unbalanced sync negative PB 0 7 Vp p 75 ohms PR 0 7 Vp p 75 ohms Signal format 480i 480p 576i 576p AUDIO 500 mVrms 100 modulation Impedance 47 kilohms AUDIO OUT Headphones Stereo mini jack Impedance 16 ohms Speaker Full range 2 15 8 4 3 8 inches Mass With stand 9 5 kg 20 lb 15 oz Without stand 8 5 kg 18 lb 12 oz Supplied accessories Remote control RM YA007 1 Size AA batteries...

Page 5: ...as shown in this manual or in supplements published by Sony ATTENTION Ces instructions de service sont à l usage du personnel de service quali é seulement Pour prévenir le risque de choc électrique ne pas faire l entretien autre que celui contenu dans le Mode d emploi à moins que vous soyez quali é faire ainsi A n d eviter tout risque d electrocution provenant d un chássis sous tension un transfor...

Page 6: ...module in high temperatures or in areas of high humidity for an extended period of time do not expose the LCD panel to direct sunlight avoid contact with water It may cause a short circuit within the module disconnect the AC power when replacing the backlight CCFL or inverter circuit High voltage occurs at the inverter circuit at 650Vrms always clean the LCD panel with a soft cloth material use ca...

Page 7: ... guarantee optimal quality of new solder joints Lead Free Solder is available under the following part numbers Due to the higher melting point of Lead Free Solder the soldering iron tip temperature needs to be set to 370 degrees centigrade This requires soldering equipment capable of accurate temperature control coupled with a good heat recovery characteristics For more information on the use of L...

Page 8: ...n be measured by any one of three methods 1 A commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instructions 2 A battery operated AC milliampmeter 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 i...

Page 9: ...ews to release the main shield Stand Removal Remove 4 screws and 1 connector to release the Tabletop Stand from the unit A Main Board Assy and G Inverter Power Board Assy Removal Remove FFC cable 6 angle nut 5 screws and 4 connectors to release the A Main Board Remove 7 screws and 8 connectors to release the G Inverter Power Board Assy SECTION 1 DISASSEMBLY INSTRUCTION 9 KLV 20G300A ...

Page 10: ... 2 screws and 1 connector to release the H2 Board H3 Board Earphone Removal Remove 1 screw and 1 connector to release the H3 Board Bezel Removal Remove 11 screws and 5 location of connector lock to release the Front Bezel Main Frame Removal Remove 4 screws to release the Main Frame from LCD Panel 10 KLV 20G300A ...

Page 11: ... Enter MENU Sample picture of SERVICE MODE INPUT SOURCE Component 1 WHITE BALANCE Default is OFF when you adjust white balance change it to ON N COLOR TEMPERTURE Color mode change menu COOL NUTRAL WARM R GAIN G GAIN B GAIN R OFFSET G OFFSET B OFFSET White balance adjustment resister refer to WB adjust procedure Description of Service Mode menu for adjustment Do not use other menu Before to do Whit...

Page 12: ... R I 0 7 t u p n I 2 3 Adjust RGB GAIN in SERVICE MENU if needed 1 t n e n o p m o C o t n i l a n g i s n r e t t a p e t i h w l l u F E R l 0 3 t u p n I 4 5 Adjust RGB OFFSET in SERVICE MENU if needed 6 Repeat adjustment of 2 to 5 so that White Balance is as same level as good monitor 3 3 Adjust White Balance of NEUTRAL temperature 1 Select NEUTRAL from COLOR TEMPERATURE in SERVICE MENU 2 Repe...

Page 13: ...4 Diagrams 4 1 Board LOCATION WIRING Section 4 Diagrams G Board A Board H2 Board H3 Board H1 Board 13 KLV 20G300A ...

Page 14: ...2V GND GND GND 6V 6V 4 2V 4 2V 26V 26V INV DIM ADJ POWER OVP GND POWER SAV POWER OVP INV DIM ADJ GND INV ON OFF POWER SAV GND ADC 1 IR DET 3 3V LED on off LED on off LED on off LED on off GND GND ADC 2 3 3V KEY DET GND ADC 1 ADC 2 KEY DET 3 3V GND GND IR DET 3 3V LED on off LED on off LED on off LED on off GND HP L HP DET HP R GND TTL LINE TTL LINE CN405 IR LED BOARD KEY BOARD EARPHONE BOARD PANEL...

Page 15: ...ENT S Video 2 3 3V IC203 ADJ 3 3V LD29150PT 5V IC205 LD29150PT ADJ 5V 5V IC207 ADJ 5V LD29150PT 2 5V ADJ 2 5V IC202 LD29150PT ADJ 1 8V 1 8V IC204 LD29150PT 1 8V LDO 1 8V AIC1117 18 IC206 SW POWER 30V 30V IC208 MC34063A CN201 POWER 2 3V POWER 3 8V POWER 5 5V POWER 12V POWER BOARD INPUT 5V 3 3V_MAIN 3 3V_MAIN 3 8V 3 8V 5 5V 5 5V 2 3V 9V 9V ADJ 9V LD1117 IC707 8V IC708 LD1117 ADJ 8V SW 30V AV2 SV2 R ...

Page 16: ...9 NC C481 1uF 50V C481 1uF 50V C4491 NC 1000pF C4491 NC 1000pF R458 10K R458 10K CN401 3071297234 CN401 3071297234 1 2 3 4 5 6 C485 100nF C485 100nF X401 19 66MHz X401 19 66MHz R463 10KR R463 10KR Q405 NC MMBT3904LT1 Q405 NC MMBT3904LT1 C B E C4478 1000pF C4478 1000pF C4473 22uF 10V 1206 C4473 22uF 10V 1206 C452 0 1uF 50V C452 0 1uF 50V R459 10K R459 10K C480 1uF 50V C480 1uF 50V C437 1uF 16V C437...

Page 17: ...119 GPIO_29 PWM0 116 OCM_UDO_0 GPIO_7 115 OCM_UDI_0 GPIO_8 114 GPIO_6 OCM_INT1 113 VGA0_SCL GPIO_39 111 VGA0_SDA GPIO_38 110 MSTR0_SCL GPIO_33 109 MSTR0_SDA GPIO_32 108 IR GPIO_28 107 FSDATA0 208 FSDATA1 207 FSCLKP 206 FSCLKN 205 FSDATA2 203 FSDATA3 202 DSADDR8 201 FSDQS0 200 FSDQM0 199 FSADDR7 198 FSDATA4 197 FSDATA5 195 FSADDR6 194 FSDATA6 193 FSDATA7 191 FSVREF 189 FSADDR5 188 FSADDR12 187 FSAD...

Page 18: ...F 50V C4432 1000pF 50V C4432 1000pF 50V C461 10uF 10V 0805 C461 10uF 10V 0805 C413 0 1uF 50V C413 0 1uF 50V C444 1000pF 50V C444 1000pF 50V C422 22uF 10V 1206 C422 22uF 10V 1206 C405 0 1uF 50V C405 0 1uF 50V C460 10uF 10V 0805 C460 10uF 10V 0805 C4437 0 1uF 50V C4437 0 1uF 50V C403 0 1uF 50V C403 0 1uF 50V C465 10uF 10V 0805 C465 10uF 10V 0805 C429 1000pF 50V C429 1000pF 50V C440 0 1uF 50V C440 0 ...

Page 19: ...22uF 10V 1206 C4463 22uF 10V 1206 R4437 NC 100KR R4437 NC 100KR C4424 10uF 10V 0805 C4424 10uF 10V 0805 C4497 1000pF 50V C4497 1000pF 50V C4411 220uF 16V C4411 220uF 16V R4436 NC 0R R4436 NC 0R IC408 NC G751 IC408 NC G751 VS 8 A0 7 A1 6 A2 5 SMBCLK 2 SMBDATA 1 O S 3 GND 4 R4409 NC 10K R4409 NC 10K C4420 1uF 50V C4420 1uF 50V C4461 22uF 10V 1206 C4461 22uF 10V 1206 R4501 0R R4501 0R C4471 22uF 10V ...

Page 20: ...out TH C736 NC 0 1uF 50V 0805 C736 NC 0 1uF 50V 0805 M703 M703 R725 1MR R725 1MR L713 120 100M L713 120 100M R741 2 2K R741 2 2K C719 1uF 16V C719 1uF 16V Q709 DTC115EKA Q709 DTC115EKA Vin GND Vout L715 120 100M L715 120 100M Q706 2SA1037AK R Q706 2SA1037AK R C E B M708 M708 C721 47pF C721 47pF R756 NC 100R R756 NC 100R C727 0 22uF 50V C727 0 22uF 50V C710 NC 0 1uF 50V C710 NC 0 1uF 50V L702 33uH ...

Page 21: ...uF 0805 R875 NC 470K R875 NC 470K C870 0 22U 250Vdc C870 0 22U 250Vdc L807 2816832646 L807 2816832646 IC801B YDA138 IC801B YDA138 TH1 43 TH2 44 TH3 45 TH4 46 TH5 47 TH6 48 TH7 49 TH8 50 TH9 51 TH10 52 TH11 53 TH12 54 TH13 55 TH14 56 TH15 57 R855 NC 1K R855 NC 1K L802 120 100M 0805 L802 120 100M 0805 R807 NC R807 NC C809 0 1uF 50V C809 0 1uF 50V R804 NC R804 NC R818 100K R818 100K C883 1000pF C883 ...

Page 22: ...UT_L 34 VREF1 35 SC1_OUT_R 36 SC1_OUT_L 37 CAPL_A 38 AHVSUP 39 CAPL_M 40 SC3_OUT_R 41 SC3_OUT_L 42 AHVSS 43 AHVSS 44 AGNDC 45 NC3 46 SC4_IN_L 47 SC4_IN_R 48 ASG 49 ASG 52 ASG 55 SC2_IN_L 53 SC2_IN_R 54 SC1_IN_L 56 SC1_IN_R 57 VREFTOP 58 SC5_IN_L MONO_IN 59 SC5_IN_R 60 AVSS 61 AVSS 62 NC4 63 NC5 64 AVSUP 65 AVSUP 66 ANA_IN1 67 ANA_IN 68 ANA_IN2 69 TESTEN 70 XTAL_IN 71 XTAL_OUT 72 TP 73 AUD_CL_OUT 7...

Page 23: ...5 NC R604 75 1 R604 75 1 C620 NC C620 NC L606 2 2uH 0805 L606 2 2uH 0805 R615 680K metal 0805 R615 680K metal 0805 C615 NC C615 NC D605 BAV99 D605 BAV99 D607 BAV99 D607 BAV99 C633 10uF 16V 0805 C633 10uF 16V 0805 D610 BAV99 D610 BAV99 C613 NC C613 NC L603 2 2uH 0805 L603 2 2uH 0805 R616 100K R616 100K R622 18K metal R622 18K metal R609 680K metal 0805 R609 680K metal 0805 C605 220pF C605 220pF L60...

Page 24: ...282 10uF 10V 0805 C210 0 1uF 50V C210 0 1uF 50V L208 120 100M 0805 L208 120 100M 0805 C247 10uF 16V 0805 C247 10uF 16V 0805 C288 0 01uF 50V 0805 C288 0 01uF 50V 0805 C270 10uF 10V 0805 C270 10uF 10V 0805 R214 1K 1 0805 R214 1K 1 0805 C266 10uF 16V 0805 C266 10uF 16V 0805 TP207 TP207 R218 12K 1 0805 R218 12K 1 0805 C232 100uF 16V C232 100uF 16V L239 120 100M 0805 L239 120 100M 0805 R201 12K 1 0805 ...

Page 25: ... 4 4 Schematic Mounted PWB G Board Power Inverter Board 1 3 25 KLV 20G300A ...

Page 26: ...4 4 Schematic Mounted PWB G Board Power Inverter Board 2 3 26 KLV 20G300A ...

Page 27: ... 4 4 Schematic Mounted PWB G Board Power Inverter Board 3 3 27 KLV 20G300A ...

Page 28: ...6731 HS HS CN901 3071816731 1 2 3 4 5 6 7 8 R902 68 1 1 0805 R902 68 1 1 0805 C912 C1206 1206 C912 C1206 1206 R907 113 1 0805 R907 113 1 0805 D9105 BAV99 D9105 BAV99 R912 NC 0805 R912 NC 0805 R909 787 1 0805 R909 787 1 0805 D9107 BZD27C D9107 BZD27C GND1 GND1 R901 113 1 0805 R901 113 1 0805 C907 0 1U C907 0 1U D9106 BAV99 D9106 BAV99 R911 0R 0805 R911 0R 0805 C902 0 1U C902 0 1U C904 0 1U C904 0 1...

Page 29: ...805 C9111 10uF 10V 0805 R9104 10R R9104 10R C9104 10uF 10V 0805 C9104 10uF 10V 0805 D9104 2300077606 D9104 2300077606 D9103 BAV99 D9103 BAV99 R9101 22R 1206 R9101 22R 1206 C9105 100pF C9105 100pF C9109 10uF 10V 0805 C9109 10uF 10V 0805 R9103 22R 1206 R9103 22R 1206 H9104 H9104 H9103 H9103 D9102 2300045731 D9102 2300045731 1 3 2 GND1 GND1 H9105 H9105 C9103 10uF 10V 0805 C9103 10uF 10V 0805 D9100 23...

Page 30: ... 0 1uF C9106 0 1uF CN8102 3071324034 CN8102 3071324034 1 2 3 4 R9107 0R 1206 R9107 0R 1206 R9108 0R 1206 R9108 0R 1206 GND3 GND3 CN8103 3072231000 CN8103 3072231000 3C 5E 4D 2B 1A 6F 7G L820 120 0603 L820 120 0603 C9108 220pF C9108 220pF 4 4 Schematic Mounted PWB H3 Board EARPHONE Board 30 KLV 20G300A ...

Page 31: ...4 5 PCB LAYOUT A Board Main Board 31 KLV 20G300A ...

Page 32: ...4 5 PCB LAYOUT G Board Power Inverter Board 32 KLV 20G300A ...

Page 33: ...4 5 PCB Layout H1 Board Key Board H2 Board IR LED Board H3 Board Earphone Board 33 KLV 20G300A ...

Page 34: ... Section 5 Exploded View Parts List 34 KLV 20G300A ...

Page 35: ...Information label Label terminal cover 15 3 196 533 01 41 3XA02 001 COVER NECK FRONT 16 3 196 534 01 42 3XA05 001 COVER NECK REAR 17 3 196 536 01 42 3XA01 001 COVER SOFTWARE 18 3 196 537 01 42 3XA04 001 FUNCTION KEY 19 1 480 255 11 5041815300 REMOTE COMMANDER RM YA007 20 1 834 069 11 3090219367 POWER SUPPLY CORD SET 21 3 197 988 11 49 3XA01 001 MANUAL INSTRUCTION English 22 3 197 988 21 49 3XA02 0...

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