background image

Service Manual

Contents

This service manual contains information of different types of models.
Make sure to refer to the section describing your model. 

32PFL4508/F7

PHILIPS

(Serial No.: ME1)

32” LCD TV

chassis PL13.9

121219

© 2013 Funai Electric Co., Ltd.

All rights reserved. No part of this manual may be reproduced, copied, transmitted, disseminated, transcribed, 
downloaded or stored in any storage medium, in any form or for any purpose without the express prior written 
consent of Funai. Furthermore, any unauthorized commercial distribution of this manual or any revision hereto 
is strictly prohibited.  

Information in this document is subject to change without notice. Funai reserves the right to change the content 
herein without the obligation to notify any person or organization of such changes.  

 with the 

 design is a registered trademark of Funai Electric Co., Ltd and may not be used in any way 

without the express written consent of Funai. All other trademarks used herein remain the exclusive property of 
their respective owners. Nothing contained in this manual should be construed as granting, by implication or 
otherwise, any license or right to use any of the trademarks displayed herein. Misuse of any trademarks or any 
other content in this manual is strictly prohibited.  Funai shall aggressively enforce its intellectual property rights 
to the fullest extent of the law.

Summary of Contents for 32PFL4508

Page 1: ...rohibited Information in this document is subject to change without notice Funai reserves the right to change the content herein without the obligation to notify any person or organization of such changes with the design is a registered trademark of Funai Electric Co Ltd and may not be used in any way without the express written consent of Funai All other trademarks used herein remain the exclusiv...

Page 2: ... equipment It also is important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE P F could not possibly know evaluate and advice the service trade of all conceivable ways in which service might be done or of the possible hazardous consequences of each way Consequently P F has not undertaken any such broad evaluation Accordingly a servicer who uses a service procedure or tool which ...

Page 3: ...3 1 Cabinet Disassembly Instructions 4 1 Electrical Adjustment Instructions 5 1 How to Initialize the LCD TV 6 1 Firmware Renewal Mode 7 1 Troubleshooting 8 1 Block Diagrams 9 1 Schematic Diagrams CBA and Test Points 10 1 Wiring Diagrams 11 1 Exploded Views 12 1 Parts List 13 1 Revision History 14 1 ...

Page 4: ... 76 4 Description Condition Unit Nominal Limit 1 Native Pixel Resolution Horizontal Vertical pixels pixels 1366 768 2 Brightness w filter cd m2 280 3 Viewing Angle Horizontal Vertical 88 to 88 88 to 88 Description Condition Unit Nominal Limit 1 Over Scan Horizontal Vertical 5 5 5 5 5 5 2 Color Temperature x y K 12000 0 272 0 278 3 3 3 Resolution composite video Horizontal Vertical line line 400 35...

Page 5: ...om any AC source connect an electrical jumper across the two AC plug prongs Place the instrument AC switch in the on position Connect one lead of an ohmmeter to the AC plug prongs tied together and touch the other ohmmeter lead in turn to each tuner antenna input exposed terminal screw and if applicable to the coaxial connector If the measured resistance is less than 1 0 megohm or greater than 5 2...

Page 6: ...m is not isolated from the AC power line The two ground systems are electrically separated by insulation material that must not be defeated or altered 5 Observe original lead dress Take extra care to assure correct lead dress in the following areas a near sharp edges 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 a...

Page 7: ...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 has ...

Page 8: ... exposed accessible parts RF terminals antenna terminals video and audio input and output terminals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below 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 followi...

Page 9: ...the Flat Pack IC about 5 to 6 seconds Fig S 1 1 2 Remove the flat pack IC with tweezers while applying the hot air 3 Bottom of 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 Fl...

Page 10: ...y one using a sharp pin or wire to which solder will not adhere iron wire When heating the pins use a fine tip soldering iron or a hot air desoldering machine Fig S 1 4 3 Bottom of 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 ...

Page 11: ...ig S 1 6 Note When using a soldering iron care must be taken to ensure that the flat pack IC is not being held by glue When the flat pack IC is removed from the CBA handle it gently because it may be damaged if force is applied 2 Installation 1 Using desoldering braid remove the solder from the foil of each pin of the flat pack IC on the CBA so you can install a replacement flat pack IC more easil...

Page 12: ...d 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 semi conductors are to be placed Because the static electricity charge on clothing will not escape through the body grounding band be careful to avoid contacting semi conductors with your...

Page 13: ... lift up the top side to detach the hooks When assembling be careful not to damage the X PCB Board or the COF Chip On Film Make sure the hooks are securely in place when re assembling The screw tightening torque must be 6kgf cm 5 2lb in 2 When you disassemble re assemble the Front Cabinet or Function CBA Unit Be careful not to break the hooks If you pull with too much force the hooks may be damage...

Page 14: ...on CBA Unit check the operational sensitivity of the touch sensor to make sure it functions normally Make sure to replace the Decoration Plate to a new one when replacing the Front Cabinet S 1 1 Stand Base Assembly S 4 S 3 S 2 S 2 2 Rear Cover Stand Neck Fig D1 ...

Page 15: ...gital Main CBA Unit S 6 S 5 Jack Holder Fig D2 5 Speaker 5 Speaker 6 Function CBA Unit 1 Shield Plate S 7 Leading Edge Cover Fig D3 1 Make sure to read all the precautions on page 4 1 when you disassemble re assemble the Function CBA Unit ...

Page 16: ...ll the precautions on page 4 1 when you disassemble re assemble the LCD Panel Assembly X PCB Cover or Front Cabinet S 9 9 Front Cabinet 2 Hook 2 Hook 2 Hook 2 8 X PCB Cover 2 S 8 Hook 2 7 LCD Panel Assembly S 8 Decoration Plate 2 Fig D4 ...

Page 17: ..._DC TV Cable Wiring Diagram Power Supply CBA Function CBA Unit To LCD Panel Assembly To LCD Panel Assembly To AC Cord To Speaker Digital Main CBA Unit CN3801 CN4001 CN1001 CN601 CN501 CN3013 CN3101 CN3701 Fig D5 ...

Page 18: ... Upgrade 5 Select Current Software Info 6 Press 0 6 2 5 9 6 and INFO buttons on the remote control unit in this order The following screen appears 1 Purity Check Mode This mode cycles through full screen displays of red green blue and white to check for non active pixels 1 Enter the service mode 2 Each time the 7 button on the remote control unit is pressed the display changes as follows 3 To canc...

Page 19: ...f necessary adjust the HDB or HDR again 10 Press 6 button to select the LDB for Low Drive Blue adjustment LDB appears in the screen and press CHANNEL UP DOWN buttons to adjust the color temperature 11 Press 4 button to select the LDR for Low Drive Red adjustment LDR appears in the screen and press CHANNEL UP DOWN buttons to adjust the color temperature 12 If necessary adjust the LDB or LDR again 1...

Page 20: ...ing the following procedure NOTE Disconnect any device from the USB Port before you conduct on this procedure 1 Turn the power on 2 Enter the service mode To cancel the service mode press button on the remote control unit 3 Press BACK button to enter the Panel Key Confirmation Menu 4 Press any button on the touch sensor panel 5 Press INFO button to proceed with the self check mode 6 Make sure to c...

Page 21: ...B storage device to the USB port as shown below 9 Select Check and press OK button 10 Select Upgrade and press OK button to start software upgrade 11 The update will start and the following will appear in the screen Note If the above screen isn t displayed repeat from step 1 The appearance shown in 1 is described as follows 12 When the firmware update is completed the following will appear in the ...

Page 22: ...cedure 1 Turn the power off 2 Insert the USB storage device to the USB port as shown below 3 Turn the power on 4 The update will start and the following will appear in the screen Note If the above screen isn t displayed repeat from step 1 The appearance shown in 1 is described as follows 5 When the firmware update is completed the following will appear in the screen Remove the USB storage device f...

Page 23: ...imary circuit component and repair it if defective Check if there is any leak or short circuit on the each rectifying circuit component of secondary side and repair it if defective Make sure to repair the primary circuit component before replacing the fuse F602 When the output voltage fluctuates FLOW CHART NO 3 Does the photocoupler circuit on the secondary side operate normally No Yes Check IC602...

Page 24: ...s not output FLOW CHART NO 5 Is approximately 21V voltage supplied to the cathode of D650 D651 No Yes Check D650 D651 C651 C652 C653 and their periphery circuit Repair it if defective AL 3 3V is not output FLOW CHART NO 7 Is approximately 14V voltage supplied to the collector of Q656 Is approximately 4V voltage supplied to the base of Q656 No Yes Yes Yes Is approximately 14V voltage supplied to th...

Page 25: ...lace Digital Main CBA Unit Replace Function CBA Unit Replace Function CBA Unit No No operation is possible from the remote control unit Operation is possible from the unit Picture does not appear normally FLOW CHART NO 3 Is approximately 3 3V voltage supplied to Pin 16 of CN501 Digital Main CBA Unit or LCD Panel Assembly may be defective Check and replace these parts No Yes Is approximately 21V vo...

Page 26: ... Are the audio signals output to Pin 1 2 3 4 of CN3801 Replace Digital Main CBA Unit No Yes Is approximately 13V voltage supplied to Pin 6 7 8 9 of CN501 Is approximately 3 3V voltage supplied to Pin 16 of CN501 No No Yes See FLOW CHART NO 7 AL 3 3V is not output Power Supply Section See FLOW CHART NO 6 AMP 13V is not output Power Supply Section Yes ...

Page 27: ...CS TO VIDEO AUDIO BLOCK DIAGRAM TO VIDEO AUDIO BLOCK DIAGRAM AUDIO MUTE AUDIO MUTE C1 COMP DET COMP DET N12 HP MUTE HP MUTE G13 HP DET HP DET K16 SCL SDA 4 3 TU3901 TUNER UNIT Q3501 Q3502 LED DRIVE IC3009 RESET BACKLIGHT SW 6 18 20 21 19 17 4 3 5 7 P ON H2 RESET PROTECT3 BACKLIGHT SW BACKLIGHT ADJ CN3101 IC4001 TOUCH SENSOR POWER SOURCE MENU 16 17 18 19 4 5 13 12 CH UP CH DOWN VOL UP 21 22 23 VOL ...

Page 28: ...NENT Pb IN COMPONENT Pr IN JK3702 DIF OUT1 COMP DET DIF OUT2 IF AGC COM VIDEO Y VIDEO IN COM VIDEO Pr IN COM VIDEO Pb IN TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM JK3001 PC RGB IN Q3301 IC3013 IC3014 1 2 3 13 14 15 12 VGA R IN VGA G IN VGA B IN VGA HSYNC VGA VSYNC VGA SCL VGA SDA TU3901 DIF OUT1 6 DIF OUT2 7 TUNER UNIT IF AGC 5 BUFFER GATE BUFFER Q3302 BUFFER BUFFER GATE VIDEO SIGNAL AUDIO SIGNAL HE...

Page 29: ... VGA B IN C7 A9 C11 VGA HSYNC VGA VSYNC HSYNC VSYNC B14 A14 LCD PANEL ASSEMBLY VGA SDA VGA SCL HDMI I F G14 F14 VIDEO DECODER HDMI SCL HDMI SDA SCL1 SDA1 SCL0 SDA0 SCL3 SDA3 SCL2 SDA2 IC3018 HDMI SW IC3011 HDMI SERIAL EEPROM B4 A4 B3 A3 B2 A2 B1 A1 HDMI IN1 HDMI IN2 JK3004 TMDS D0 TMDS D0 TMDS D1 TMDS D1 TMDS D2 TMDS D2 HDMI DATA HDMI CLOCK 7 42 41 45 44 48 47 39 38 36 37 26 27 23 24 20 21 17 18 8...

Page 30: ...01 LED BACKLIGHT DRIVER OVP CN1001 DRIVE Q1001 CONTROL LOGIC 4 9 8 6 1 14 2 DRIVE 5 ILED1 6 VLED 4 ILED1 7 ILED2 2 ILED2 1 POWER SUPPLY CBA LCD PANEL ASSEMBLY PROTECT3 BACKLIGHT ADJ BACKLIGHT SW TO SYSTEM CONTROL BLOCK DIAGRAM P ON 21V PL13 9BLBD ...

Page 31: ...AMP 13V 6 9 AL 3 3V 16 CN3701 W B ERROR VOLTAGE DET IC602 2 CAUTION Fixed voltage or Auto voltage selectable power supply circuit is used in this unit If Main Fuse F602 is blown check to see that all components in the power supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail For continued ...

Page 32: ...k 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 3 Resistor wattages are 1 4W or 1 6W unless otherwise specified 4 All capacitance values are indicated in μF P 10 6 μF ...

Page 33: ...in original function and reliability 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 c...

Page 34: ...1000P 250V C616 0 36 2W R611 10K R623 OPEN C621 OPEN SA602 OPEN GT601 D653 SB3A0BH D655A OPEN D655 SB3A0BH OPEN R693 4 3 2 1 IC601 OPEN 0 22 C666 D661 HSC119 D650A OPEN D651 SB3150BH 0 R674 68K R675 Q658 2SA950 O 2 7 R690 OPEN R691 OPEN R692 OPEN Q659 13 GND 14 GND 11 GND 6 AMP 13V 7 AMP 13V 10 GND 15 GND OPEN D658 TFZGTR4 7B D664 1 C661 WIRE BC1001 47 100V C1005 47 100V C1006 1 100V C1007 OPEN R1...

Page 35: ...1K R4057 OPEN 0 1 C4054 8 SCL 9 SDA D4053 OPEN R4063 OPEN D4052 OPEN OPEN C4058 0 R4062 R4061 OPEN R4013 100 OPEN C4006 D4002 OPEN R4014 2 2K R4008 18K R4012 2 2K R4011 2 7K R4010 4 7K R4009 8 2K D4003 MM5Z5V6B D4004 MM5Z5V6B R4021 10 R4022 10 R4017 OPEN 2200P C4002 1 C4001 OPEN C4003 D4001 MM5Z5V6B R4005 560 R4003 560 R4001 560 R4007 560 R4006 560 R4004 560 R4002 560 1 2 3 4 5 6 IC4051 OPEN OUT G...

Page 36: ...2V 15 RX1 19 RX2 10 NU 18 RX2 21 RXCLK 23 GND 24 RX3 14 GND 12 RX0 16 RX1 4 LCD 12V 29 NU 26 GND 27 BIST 5 GND 8 NU OPEN C3058 1 2 3 4 5 6 7 8 IC3621 MP1472GJC452Z SS EN COMP FB GND SW IN BST 0 1 C3626 OPEN R3038 4 NU 3 NU 2 NU CN3601 1 GND 2 NU CN3602 1 GND 4 NU 3 NU OPEN C3641 OPEN C3642 OPEN C3643 OPEN C3644 OPEN C3645 OPEN C3646 OPEN C3647 OPEN R3162 OPEN R3161 OPEN R3129 OPEN R3135 OPEN R3130...

Page 37: ...02 TU3901 TUNER UNIT 1 3 3V 2 GND 3 SDA 4 SCL 5 IF AGC 6 DIF OUT1 7 DIF OUT2 33P C3173 33P C3172 Q3302 2SK3018 Q3301 2SK3018 2SC4081UBTLQ Q3701 0 1 C3708 10K R3711 100 R3710 220 R3709 110 R3708 1 C3706 100P C3709 JK3701 SDA SCL 10K R3712 1 C3707 33P C3287 33P C3291 33P C3293 33P C3292 33P C3289 33P C3288 OPEN R3339 OPEN R3296 OPEN R3343 OPEN R3298 75 R3302 75 R3303 75 R3301 10 C3905 220 6 3V C3901...

Page 38: ...T 22 R3215 33K R3201 D1 CELL PWR CTRL B16 P ON H2 100 R3211 22 R3213 C14 REMOTE T9 VBUS EN T11 SCK P10 NU R10 USBDP P12 CS T10 USBDN R9 VBUS ST R11 SOUT P11 SIN 5 6K R3099 47 R3093 47 R3094 47 R3092 22 R3095 47 R3089 H14 NU 10 C3072 OPEN C3253 P ON 5V P ON 3 3V AL 3 3V P ON 1 8V BACKLIGHT SW LED1 GPY10 BACKLIGHT ADJ VCOM PWM COMP DET P ON H2 REMOTE CPU RESET N CPU RESET N 3 USBDP 4 GND 2 USBDN CN3...

Page 39: ... 180 R3043 C3079 220 6 3V 1 2 3 4 5 6 7 8 IC3007 BD00IC0WEFJ VOUT FB GND NU EN NU NU VCC 10 C3069 10 C3087 0 022 C3075 3 3K R3109 10K R3110 10K R3111 1 8K R3103 10 C3024 L3003 OPEN 10 C3265 OPEN R3138 P ON 3 3V 20 P ON 21V 21 P ON 21V 23 P ON 21V 22 P ON 21V PROTECT3 L3027 BEAD L3021 BEAD L3019 OPEN L3026 BEAD P ON 5V 1 C3159 L3006 BEAD 1 C3155 1 C3156 MM5Z5V6B D3113 1 C3126 1 C3127 10 C3132 10 C3...

Page 40: ... R3868 1 C3852 15K R3852 OPEN R3854 1 C3851 15K R3851 OPEN R3853 0 1 C3860 100K R3866 OPEN C3862 10K R3865 2SC4081UBTLQ Q3861 CPU RESET N BACKLIGHT SW J15 RESET 100 R3191 MM5Z5V6B D3111 1000P C3116 56K R3182 3 2 1 4 IC3009 PST8429UR CD VDD GND OUT 0 033 C3113 220 R3178 1 C3106 OPEN D3108 1K R3864 10K R3861 HP MUTE OPEN Q3862 OPEN R3863 OPEN R3869 0 22 C3801 OPEN D3801 1 C3820 1000P C3811 L3801 10u...

Page 41: ...S CLOCK 15 HDMI CLOCK 16 HDMI DATA 18 5V 19 HOT PLUG DETECT 18 5V 19 HOT PLUG DETECT 19 HOT PLUG DETECT 18 5V 12 TMDS CLOCK 4 TMDS D1 8 D SHIELD2 11 C SHIELD0 2 D SHIELD0 3 TMDS D2 10 TMDS CLOCK 7 TMDS D0 6 TMDS D1 JK3003 1 TMDS D2 9 TMDS D0 5 D SHIELD1 10 TMDS CLOCK JK3002 1 TMDS D2 8 D SHIELD2 4 TMDS D1 3 TMDS D2 5 D SHIELD1 12 TMDS CLOCK 7 TMDS D0 9 TMDS D0 2 D SHIELD0 6 TMDS D1 11 C SHIELD0 P ...

Page 42: ...G J142 FG J133 FG GND R 1 0 2 0 J158 GND J153 GND J141 GND J145 RESET C656 GND LED 21V GP001 GP002 1 2 2 2 23 F601 4A 125V T601 BA31M0F01021 Power Supply CBA Top View Because a hot chassis ground is present in the power supply circuit an isolation transformer must be used when repairing Also in order to have the ability to increase the input slowly when troubleshooting this type of power supply ci...

Page 43: ...607A D608A Q650 Q653 R609 Q602 Q621 R622 R623 R621 D623 D621 R674 R675 D651A D650A D653A D655A R691 R692 Q659 R1011 R1012 R1013 C1017 C1016 R1015 R1016 R1007 IC1001 R670 R671 R672 Q656 C664 D658 D657 D405 D406 D1002 D609A C622 R690 IC651 C621 C666 C624 C623 D664 C1007 C1008 C1009 R603 R604 R606 R607 R608 R612 R613 R614 R615 R616 R617 R618 R619 R654 R655 R657 R663 R664 R665 R683 R684 R685 R686 R687...

Page 44: ...IT POWER SUPPLY CBA FUNCTION CBA UNIT LCD PANEL ASSEMBLY 1 4 CN3801 AC CORD COMPONENT Y VIDEO IN COMPONENT Pb IN COMPONENT Pr IN AUDIO L IN AUDIO R IN REAR DIGITAL AUDIO OUT COAXIAL HDMI CONNECTOR 1 HDMI CONNECTOR 2 HDMI CONNECTOR 3 PC RGB IN USB JACK SP3801 SPEAKER L CH SP3802 SPEAKER R CH CL3701 CL3006 CL3101 CL3801 SIDE HEADPHONE JACK ...

Page 45: ...801 SP3802 L7 L7 S7 A16 LCD1 A13 L23 B18 B17 A3 L27 L45 X6 A15 S7 SBA1 Function CBA Unit Power Supply CBA Digital Main CBA Unit See Electrical Parts List for parts with this mark L23 AC601 CL3006 B17 B18 L7 L7 CL3101 CL3801 L23 CL3701 A5 SSK1 A11 GP002 GP001 ...

Page 46: ...12 2 PL13 9PEX Packing FRONT FRONT Packing Tape Packing Tape Packing Tape Some Ref Numbers are not in sequence S7 S4 S1 SBA1 S6 SSK1 X1 X4 X3 X12 S7 X7 Tape X2 S3 S3 A11 S7 ...

Page 47: ...CD026 IC3621 IC DC DC CONVERTER MP1472GJC452Z NSCA0T09M021 IC3801 IC D CLASS AUDIO POWER AMPLIFI TPA3110D2PWPR NSCA0T0TY073 IC3851 IC HEADPHONE AMP BH3547F SOP 8PIN QSZBA0TRM119 TU3901 TUNER UNIT U9001UT U9001UT FUNCTION CBA UNIT A31F2MSW 001 IC4001 IC TOUCHSENSOR MICON NON AUTOT CY8C20324 12LQXIT CP NSCA0T0TY080 POWER SUPPLY CBA A31F2MPW 001 C602 SAFTY CAP 1000PF 250V KX CA2E102MR101 C603 SAFTY C...

Page 48: ... R657 RES CHIP 3216 1 4W J 3 9K OHM RRX4392HH034 R658 RES CHIP 1608 1 10W J 2 7K OHM RRXA272HH013 R659 RES CHIP 1608 1 10W F 27 0K OHM RTW2702HH008 R660 RES CHIP 1608 1 10W F 3 90K OHM RTW3901HH008 R661 RES CHIP 1608 1 10W F 3 30K OHM RTW3301HH008 R662 RES CHIP 1608 1 10W F 3 30K OHM RTW3301HH008 R667 RES CHIP 1608 1 10W J 8 2K OHM RRXA822HH013 R668 RES CHIP 1608 1 10W J 47K OHM RRXA473HH013 R669 ...

Page 49: ...14 1 PL13 9REV REVISION HISTORY Chassis PL13 9 2012 12 19 32PFL4508 F7 Serial No ME1 1st draft added ...

Page 50: ...PL13 9COM COMPARISON LIST OF MODEL NAMES Chassis PL13 9 32PFL4508 F7 ME1 A31F2UT ...

Reviews: