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SERVICE MANUAL

– EXTERNAL VOLUME –

This Service Manual is for the 32FL532/10 (A23F0EP) model.
For the 32FL532/10 (A23F0EP) model, the letter (A23F0EP) is printed on
the Serial Number Label on the back of the unit. Refer to the Serial
Number Label below.

Serial No. Label

"A23F0EP"

″

COLOR LCD TELEVISION

32FL532/10

Содержание 32FL532/10

Страница 1: ...al is for the 32FL532 10 A23F0EP model For the 32FL532 10 A23F0EP model the letter A23F0EP is printed on the Serial Number Label on the back of the unit Refer to the Serial Number Label below Serial No Label A23F0EP 32 COLOR LCD TELEVISION 32FL532 10 ...

Страница 2: ...ialize the LCD Television 6 1 Firmware Renewal Mode 7 1 Troubleshooting 8 1 Block Diagrams 9 1 Schematic Diagrams CBA and Test Points 10 1 Wiring Diagram 11 1 Exploded View 12 1 Mechanical Parts List 13 1 Electrical Parts List 14 1 The LCD panel is manufactured to provide many years of useful life Occasionally a few non active pixels may appear as a tiny spec of color This is not to be considered ...

Страница 3: ...scription Condition Unit Nominal Limit 1 RECEIVED FREQ RANGE 60dBm 45ch 1 2 kHz kHz 1000 900 500 167 2 INPUT DYNAMIC RANGE mix max c 1 VHF HIGH 8ch UHF 45ch dBuV dBuV 25 101 25 101 28 98 29 98 d 2 VHF HIGH 8ch UHF 45ch dBuV dBuV 18 101 18 101 21 98 21 98 3 C N PERFORMANCE 50dBm c 1 VHF HIGH 8ch UHF 45ch dB dB 15 15 18 18 d 2 VHF HIGH 8ch UHF 45ch dB dB 11 11 14 14 4 MULTIPATH 50dBm a Performance w...

Страница 4: ...me may drop slightly below these specifications Limit specifications represent the absolute worst condition that still might be considered acceptable In no case should a unit fail to meet limit specifications Description Condition Unit Nominal Limit 1 Audio Output Power 10 THD Lch Rch W 10 10 9 9 2 Audio Distortion 500mW Lch Rch 1 5 1 5 3 0 3 0 3 Audio Freq Response 6dB Lch 6dB Rch Hz Hz 4 Audio S...

Страница 5: ...d terminal screw and if applicable to the coaxial connector If the measured resistance is less than 1 0 megohm or greater than 5 2 megohm an abnormality exists that must be corrected before the instrument is returned to the customer Repeat this test with the instrument AC switch in the off position d Leakage Current Hot Check With the instrument completely reassembled plug the AC line cord directl...

Страница 6: ...b near thermally hot parts be sure that leads and components do not touch thermally hot parts c the AC supply d high voltage and e antenna wiring Always inspect in all areas for pinched out of place or frayed wiring Check AC power cord for damage 6 Components parts and or wiring that appear to have overheated or are otherwise damaged should be replaced with components parts or wiring that meet ori...

Страница 7: ... PVC tubing 3 Spacers 4 Insulators for transistors E When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before soldering F Observe that the wires do not contact heat producing parts heat sinks oxide metal film resistors fusible resistors etc G Check that replaced wires do not contact sharp edged or pointed parts H When a power cord...

Страница 8: ... and externally exposed accessible parts RF terminals an tenna terminals video and audio input and output ter minals microphone jacks earphone jacks etc Measuring Method Power ON Insert load Z between B earth ground power cord plug prongs and exposed accessible parts Use an AC voltmeter to measure across both terminals of load Z See Fig 2 and following table Table 2 Leakage current ratings for sel...

Страница 9: ...f the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using tweezers Fig S 1 6 CAUTION 1 The Flat Pack IC shape may differ by models Use an appropriate hot air flat pack IC desoldering machine whose shape matches that of...

Страница 10: ...pins of the flat pack IC you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig S 1 5 4 Bottom of the flat pack IC is fixed with glue to the CBA when removing en...

Страница 11: ...ccur due to a potential difference caused by electrostatic charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1 MΩ that is properly grounded to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1 MΩ on the workbench or other surface where the sem...

Страница 12: ...ection Sheet because the scratch on the back of the Reflection Sheet have direct repercussion on the display screen Prohibit to put any external pressure on the Sheet Holder or LED Heat Sink Assembly either because it also has repercussion on the display screen via the Reflection Sheet You need to remove any visible dust from the Reflection Sheet which creates the external pressure between the Ref...

Страница 13: ...ill impair the sensor sensitivity Prepare for substitutional Function CBA Unit in case you break it when you detach it from the Front Cabinet 3 Performance Test after reassembling the LCD Panel Assembly After you swap any of the Front Cabinet Rear Frame or Function CBA Unit you need to make sure that there is no Gomikami Black Spot with foreign material or Mura White Spot on the display screen Mak...

Страница 14: ... S 4 S 4 S 5 S 6 S 6 Jack Holder Shield Box Fig D2 7 Stand Holder 8 Function CBA Unit 1 9 LCD Panel Assembly 1 6 Speaker S 7 Sensor Lens Double sided tape Fig D3 1 Make sure to read all the precautions on page 4 1 4 2 when you disassemble re assemble the LCD Panel Assembly ...

Страница 15: ... S 8 S 8 S 8 S 8 S 9 Sheet Holder Sheet Holder LED Heat Sink Assembly Reflection Sheet FFC Cable FFC Cable 12 Front Cabinet 1 Fig D4 1 Make sure to read all the precautions on page 4 1 4 2 when you disassemble re assemble the LCD Panel Assembly ...

Страница 16: ...Wiring Diagram Power Supply CBA Unit T CON CBA Function CBA Unit To LCD Panel Assembly To LCD Panel Assembly To AC Cord To Speaker Digital Main CBA Unit CN23 CN9 CN5 CN1001 CN1002 CN1 CN4 CN1 CN2 CN3 CN5 CN2 CN3 CN24 Fig D5 ...

Страница 17: ...pairs and replacements have been completed Also do not attempt these adjustments unless the proper equipment is available Test Equipment Required 1 Remote control unit 2 Color Analyzer CA 310 KONICA MINOLTA Luminance meter or measuring instrument as good as CA 310 How to set up the service mode Service mode 1 Turn the power on 2 Press SOURCE 2 5 8 and 0 buttons on the remote control unit in this o...

Страница 18: ... display the W B ADJUST menu 6 Select a color mode 3 R GAIN 5 B GAIN 7 R OFFSET or 9 B OFFSET 7 Set the color analyzer at the CHROMA mode and zero point calibration Bring the optical receptor pointing at the center of the LCD Panel Note The optical receptor must be set perpendicularly to the LCD Panel surface 8 In each color mode press s or B button to adjust the color temperature becomes 12000 K ...

Страница 19: ...r on 2 Enter the service mode Refer to page 5 1 To cancel the service mode press BACK button on the remote control unit 3 Select Factory Reset and OK button on the remote control unit The TV set will go off and turn back on automatically when initialization completes ...

Страница 20: ...V set 3 Press the MENU button on the remote control unit to display Menu 4 Select SETUP 5 Select Software Update USB and press OK button The message Are you sure will appear in the screen 6 Press LEFT button to select YES 7 Updating starts Note Do not turn off the TV set and do not remove the USB storage device while this procedure 8 The TV set will go off and turn back on automatically when updat...

Страница 21: ...3 No operation is possible from remote control unit Operation is possible from the unit No Yes Yes Replace Power Supply CBA Unit Replace Power Supply CBA Unit Is approximately 5V voltage supplied to Pin 1 of CN1 on the Function CBA Unit No Replace Function CBA Unit The key operation is not functioning FLOW CHART NO 2 No operation is possible from remote control unit Operation is possible from the ...

Страница 22: ...e defective Check and replace these parts Replace Power Supply CBA Unit No Yes Is approximately 5V voltage supplied to Pin 1 of CN2 on the Digital Main CBA Unit Replace Power Supply CBA Unit No Yes Audio is not outputted normally FLOW CHART NO 5 Is approximately 24V voltage supplied to Pin 1 2 of CN24 on the Digital Main CBA Unit Replace Power Supply CBA Unit No Yes Are the audio signals outputted...

Страница 23: ...SET BACKLIGHT SW LED R POW EN REMOTE BACKLIGHT ADJ U9 MEMORY SCK SI SO 6 5 2 1 TUNER SCL TUNER SDA CS U1 TOUCH SENSOR POWER TV AV MENU 12 11 13 9 20 19 CH UP CH DOWN VOL UP 8 7 10 VOL DOWN POWER TV AV MENU CH UP CH DOWN VOL UP VOL DOWN REMOTE IR KEY SPI SCK SPI SDI SPI SDO SPI CSN TO AUDIO BLOCK DIAGRAM AMP MUTE AMP MUTE SCL SDA 4 5 T1 TUNER UNIT D15 POWER RE2 REMOTE SENSOR PS ON 2 2 CN9 CN1 REMOT...

Страница 24: ...VIDEO G VIDEO R 19 RGB VIDEO IN RGB VIDEO OUT VIDEO SIGNAL T1 DIF OUT2 11 DIF OUT1 10 TUNER UNIT IF AGC 9 RGB VIDEO IN RGB VIDEO OUT VIDEO R VIDEO G VIDEO B TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM VIDEO IN COM Y IN COM Pb IN COM Pr IN DIF OUT2 DIF OUT1 IF AGC TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM AUDIO SIGNAL DIGITAL MAIN CBA UNIT BUFFER ...

Страница 25: ... 1 3 RGB AUDIO L OUT RGB AUDIO R OUT 6 RGB AUDIO L IN RGB AUDIO R IN TO DIGITALSIGNAL PROCESS BLOCK DIAGRAM TO SYSTEM CONTROL BLOCK DIAGRAM DIGITAL MAIN CBA UNIT CN23 SPEAKER L CH SP GND 3 SPEAKER R CH SP R 4 SP GND 2 SP L 1 CN13 HEADPHONE JACK 2 34 U13 AUDIO AMP 19 CONTROL LOGIC DRIVE PWM 32 DRIVE PWM 39 40 11 12 Q24 Q23 AP 5V SPDIF RGB AUDIO L IN RGB AUDIO R IN AMP L OUT AMP R OUT CN4 SCART JACK...

Страница 26: ... LLV4 LLV5 LLV5 LLVCLK LLVCLK TP POL CPV OE1 OE2 STV 23 22 21 20 19 18 13 12 11 10 9 8 16 15 6 5 4 3 2 23 24 29 30 27 28 22 21 20 19 6 7 12 13 9 10 5 4 3 2 1 MB DQ 0 15 MB A 0 13 DQ 0 15 A 0 13 U4 SDRAM MA DQ 0 15 MA A 0 13 CI D 0 7 CI A 0 14 COM Y IN VIDEO IN COM Pb IN COM Pr IN RGB VIDEO OUT HDMI IN1 CN11 TMDS D0 TMDS D0 TMDS D1 TMDS D1 TMDS D2 TMDS D2 SDA SCL 7 9 4 6 1 3 10 12 16 15 TMDS CLOCK ...

Страница 27: ...POWER SUPPLY CBA UNIT TO SYSTEM CONTROL BLOCK DIAGRAM U401 LED BACKLIGHT DRIVER OVP CN4 DRIVE1 Q401 CONTROL LOGIC 3 7 13 6 LCD PANEL ASSEMBLY 5 12 DRIVE2 14 DRIVE3 16 DRIVE4 1 LED1 2 LED VCC 4 LED2 1 LED3 7 LED4 6 BACKLIGHT SW BACKLIGHT ADJ VDRV 24V ...

Страница 28: ... replace only with the same type fuse HOT CIRCUIT BE CAREFUL CN1 2 1 CN1 AC CORD LINE FILTER LF101 POWER SUPPLY CBA UNIT F101 T5A L 250V F102 2A 250V LINE FILTER LF102 LINE FILTER LF103 BRIDGE RECTIFIER BD1 1 4 3 2 FEED BACK U203 Q201 1 4 3 2 ISOLATOR U301 T201 4 5 1 2 7 10 11 12 8 9 Q301 OUT CS COMP SWITCHING 6 4 2 VCC 5 U201 SWITCHING CONTROL 1 4 3 2 FEED BACK U102 T101 1 5 3 6 B A DRV DRV DRV V...

Страница 29: ...itute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock fire or other hazards Notes 1 Do not use the part number shown on these drawings for ordering The correct part number is shown in the parts list and may be slightly different or amended since these drawings were prepared 2 All resistance values are indicated in ohms K 103 M 106 ...

Страница 30: ...of repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Voltage indications on the schematics are as shown below Plug the TV power cord into a standard AC outlet 5 How to read converged lines 6 Test Point Information 2 3 1 5 0 5 0 Voltage Indicates that the voltage is not consistent here Power on mode Unit Vol...

Страница 31: ...04 AT24C16BN SH T A0 A1 A2 VSS SDA SCL WP VCC 2 BUS OPEN 3 GND 0 1 C1034 1 C1033 1 C1032 1 C1031 1 C1038 DATA RE LOADER IMAGE DATA PROCESSING AGING GENERATOR LVDS RECEIVER LVDS TRANSMITTER SERIAL I F IC1005 HX8861 G73DFCG 1 2 3 BIST 4 DCAP 5 VDD 6 GND 7 8 9 10 11 12 13 14 15 16 21 22 23 24 25 26 27 28 29 GND 30 CPV 31 OE1 32 STVA 33 34 35 36 37 38 39 VDD 40 GND 41 42 43 44 45 46 47 48 49 RMLVDS 50...

Страница 32: ... C1038 R1011 C1039 R1012 R1013 R1014 R1015 R1016 R1017 R1018 C1040 R1019 C1041 C1042 C1043 C1044 R1020 R1021 R1022 R1023 R1024 VR1001 R1025 R1026 R1027 R1028 R1029 R1030 R1031 R1032 R1033 R1034 R1035 R1036 R1037 R1038 R1039 R1040 R1041 F1001 R1044 R1045 BA23F0G0203 1 A30C5 C7A3 A3 T CON CBA Bottom View TP1001 TP1008 TP1009 TP1011 TP1028 TP1031 TP1032 TP1033 TP1034 TP1035 TP1036 TP1037 TP1038 TP103...

Страница 33: ... V IN 12V V IN 12V V IN 12V GND GND GND LVDS OD0 LVDS OD0 LVDS OD1 LVDS OD1 LVDS OD2 LVDS OD2 GND GND LVDS CO LVDS CO LVDS OD3 LVDS OD3 LVDS ED0 LVDS ED0 LVDS ED1 LVDS ED1 LVDS ED2 LVDS ED2 GND GND LVDS CE LVDS CE LVDS ED3 LVDS ED3 GND GND CON1 NU VSEL1 VSEL2 LVDS OD4 LVDS OD4 LVDS ED4 LVDS ED4 CN9 6 4 5 3 2 1 4 3 2 1 6 7 4 5 3 2 1 CN1 FUNCTION CBA UNIT 5V LED R REMOTE GND IR KEY 5V SP L SP R SP G...

Страница 34: ...ker Speaker S7 L4 L4 L14 A3 B17 B17 B18 B18 B9 A14 B6 L54 L13 L13 L13 L13 L13 L4 L4 L51 L4 A9 A19 L4 CL3006 CL1001 LCD Module L4 A2 A18 See Electrical Parts List for parts with this mark Digital Main CBA Unit T CON CBA Power Supply CBA Unit Function CBA Unit LCD1 A1 CN1 ...

Страница 35: ...12 2 A23F0PEX Packing S4 S7 Packing Tape Packing Tape Packing Tape A10 Some Ref Numbers are not in sequence S3 X3 A23 X7 X14 X4 Stand Screw Kit X2 S1 S4 S6 Tape Tape X1 ...

Страница 36: ...1F0UH 1EM332238 CL1001 FFC 7PIN 7P P1 0 470MM WX1U24F0 F03 CL3006 FFC 30PIN 30P P0 5 210MM WX1U24F0 F01 L4 SCREW P TIGHT 3X12 BIND HEAD BLK GBHP3120 L51 SCREW M3X4 M3X4 BIND B NI SBH33040 LCD MODULE Ref No Description Part No A9 SENSOR LENS A2170UT 1EM332157 A10 STAND ASSEMBLY A23F0EP 1EM332858 A18 RATING LABEL A23F0EP A19 POP LABEL A23F0EP B9 STAND HOLDER A23F0EP 1EM126960 L4 SCREW P TIGHT 3X12 B...

Страница 37: ...05 K X5R 0 047µF 16V CHB473EYA016 C1021 CHIP CERAMIC CAP 1005 B K 0 1µF 16V or CHB1CK30B104 CAP CHIP 1005 K X5R 0 1µF 16V CHB104EYA016 C1022 CHIP CERAMIC CAP 1005 F Z 0 1µF 25V or CHB1EZ30F104 CAP CHIP 1005 Z Y5V 0 1µF 25V CHB104EYA014 C1023 CHIP CERAMIC CAP 1005 B K 1000PF 50V or CHB1JK30B102 CAP CHIP 1005 K X7R 0 001µF 50V CHB102EYA006 C1024 CHIP CERAMIC CAP 1005 F Z 0 1µF 16V or CHB1CZ30F104 CA...

Страница 38: ...ES CHIP 1005 1 16W F 33 0k Ω RTV3302HH004 R1014 CHIP RES 1 16W F 68k Ω or RTV6802HH004 RES CHIP 1005 1 16W F 68 0k Ω or RTV6802YF001 RES CHIP 1005 1 16W F 68k Ω RT6802RYL001 R1015 RES CHIP 1005 1 16W F 20 0k Ω or RTV2002HH004 RES CHIP 1005 1 16W F 20 0k Ω or RTV2002YF001 RES CHIP 1005 1 16W F 20k Ω RT2002RYL001 R1016 RES CHIP 1005 1 16W J 120k Ω or RRXG124YF001 RES CHIP 1005 1 16W J 120k Ω or RRXG...

Страница 39: ...104RYL001 MISCELLANEOUS F1001 FUSE CHIP FMC16302AHTP PDDFMC0KE302 VR1001 VARIABLE RESISTOR VG039NCHXT B103 VCMB103HH004 Ref No Description Part No DIGITAL MAIN CBA UNIT UPBMATCVT001 POWER SUPPLY CBA UNIT UPBPSPSTP001 FUNCTION CBA UNIT UPB000CVT001 CN1 AC CORD W O A GND WIRE CEE 1700 NO BLACK or WAE1720LW006 AC CORD W O A GND WIRE CEE 1700 NO BLACK or WAE172LTE006 AC CORD W O A GND WIRE CEE 1700 NO...

Страница 40: ...32FL532 10 A23F0EP 2012 02 06 Ver 1 ...

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