Philips 22PFL4507/F7 Service Manual

Philips 22PFL4507/F7 Service Manual

22” lcd tv
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Service Manual

TYPE A
22PFL4507/F7
22PFL4507/F8
TYPE B
22PFL4907/F7
This service manual contains information of different types of models.
This service manual contains information of different types of models.
Make sure to refer to the section describing your model.
Make sure to refer to the section describing your model.
© 2012 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
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.
PHILIPS
(Serial No.: ME1)
PHILIPS
(Serial No.: XA1)
PHILIPS
(Serial No.: ME1)
design is a registered trademark of Funai Electric Co., Ltd and may not be used in any way
chassis PL12.0
Contents
22" LCD TV
120406

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Table of Contents
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Summary of Contents for Philips 22PFL4507/F7

  • Page 1: Service Manual

    22” LCD TV chassis PL12.0 Service Manual Contents TYPE A 22PFL4507/F7 PHILIPS (Serial No.: ME1) 22PFL4507/F8 PHILIPS (Serial No.: XA1) TYPE B 22PFL4907/F7 PHILIPS (Serial No.: ME1) This service manual contains information of different types of models. This service manual contains information of different types of models.
  • Page 2: Important Safety Notice

    IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all P&F Equipment. The service procedures recommended by P&F and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Specifications [TYPE A] ..............1-1 [TYPE B] .
  • Page 4: Specifications [Type A]

    SPECIFICATIONS [TYPE A] < TUNER / NTSC > ANT. Input ---------------------- 75 Ω Unbal., F type Description Condition Unit Nominal Limit 1. AFT Pull-In Range ±2.3 ±2.1 TV.ch.4 dBµ 2. Synchronizing Sens. CA.ch.31 dBµ CA.ch.87 dBµ < TUNER / ATSC > Description Condition Unit...
  • Page 5: [Type B]

    [TYPE B] < TUNER / NTSC > ANT. Input ---------------------- 75 Ω Unbal., F type Description Condition Unit Nominal Limit 1. AFT Pull-In Range ±2.3 ±2.1 TV.ch.4 dBµ 2. Synchronizing Sens. CA.ch.31 dBµ CA.ch.87 dBµ < TUNER / ATSC > Description Condition Unit...
  • Page 6: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Prior to shipment from the factory, our products are strictly inspected for recognized product safety and electrical codes of the countries in which they are to be sold. However, in order to maintain such compliance, it is equally important to implement the following precautions when a set is being serviced.
  • Page 7 3. Design Alteration Warning - Do not alter or add 7. Product Safety Notice - Some electrical and to the mechanical or electrical design of this TV mechanical parts have special safety-related receiver. Design alterations and additions, characteristics which are often not evident from including, but not limited to circuit modifications visual inspection, nor can the protection they give and the addition of items such as auxiliary audio...
  • Page 8 Precautions during Servicing A. Parts identified by the # symbol are critical for safety. Replace only with part number specified. B. In addition to safety, other parts and assemblies are specified for conformance with regulations applying to spurious radiation. These must also be replaced only with specified replacements.
  • Page 9 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returned to original positions. Afterwards, perform the following tests and confirm the specified values in order to verify compliance with safety standards. 1.
  • Page 10: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications How to Remove / Install Flat Pack-IC 1. The output pin of the 3 pin Regulator ICs is 1. Removal indicated as shown. With Hot-Air Flat Pack-IC Desoldering Machine: Top View 1. Prepare the hot-air flat pack-IC desoldering Bottom View machine, then apply hot air to the Flat Pack-IC Input...
  • Page 11 3. The flat pack-IC on the CBA is affixed with glue, so With Soldering Iron: be careful not to break or damage the foil of each 1. Using desoldering braid, remove the solder from pin or the solder lands under the IC when all pins of the flat pack-IC.
  • Page 12 2. Installation With Iron Wire: 1. Using desoldering braid, remove the solder from 1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder the foil of each pin of the flat pack-IC on the CBA flux which is applied to all pins of the flat pack-IC, so you can install a replacement flat pack-IC more you can remove it easily.
  • Page 13 Instructions for Handling Semi- conductors Electrostatic breakdown of the semi-conductors may occur 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.
  • Page 14: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart Step/ Fig. Loc. Part Removal Note This flowchart indicates the disassembly steps for the cabinet parts and the CBA in order to gain access to items to be serviced. When reassembling, follow the [10] D4 --------------- Module steps in reverse order.
  • Page 15 • To prevent the Screw from being stripped, the screw between the Front Cabinet and Function CBA will tightening torque should be 13.23 lbf·in(6 kgf·cm) for impair the sensor sensitivity.) the Rear Frame Screw and 5.512 lbf·in(2.5 kgf·cm) • Prepare for substitutional Function CBA in case you for the LED Heat Sink Assembly Screw.
  • Page 16 TYPE A [4] Digital Main CBA Unit Jack Holder (S-4) (S-5) [3] Power Supply CBA Jack Holder (S-4) TYPE B Fig. D2 [8] LCD Panel Assembly [6] Stand Holder (S-6) Sensor Plate Double-sided tape (S-7) [5] Speaker [7] Function CBA Fig.
  • Page 17 [11] Front Cabinet [10] LCD Module Reflection Sheet Sheet Holder Cable [9] Rear Frame FFC Cable (S-8) (S-8) (S-8) LED Heat Sink Assembly Sheet Holder (S-8) (S-8) (S-9) Fig. D4 : Make sure to read all the precautions on page 4-1, 4-2 when you disassemble/re-assemble the LCD Panel Assembly.
  • Page 18 TV Cable Wiring Diagram To LCD Panel To LCD Panel Assembly Assembly Digital Main Power Supply CBA CBA Unit CN1001 CN3011 CN3905 CN3701 CN631 CN3601 CN601 CN3801 CN3101 *1: TYPE A CN3105 To Speaker *2: TYPE B To AC Cord Function CBA CN4001 Fig.
  • Page 19: Electrical Adjustment Instructions [Type A]

    ELECTRICAL ADJUSTMENT INSTRUCTIONS [TYPE A] General Note: “CBA” is abbreviation for 1. Purity Check Mode “Circuit Board Assembly.” This mode cycles through full-screen displays of red, green, blue, and white to check for non-active pixels. Note: Electrical adjustments are required after 1.
  • Page 20: White Balance Adjustment

    The White Balance Adjustment should be 6. Press [MENU] button. The internal Raster signal appears in the screen. (“Internal (Single)” appears performed when replacing the LCD Panel in the upper right of the screen as shown below.) or Digital Main CBA. 2.
  • Page 21: [Type B]

    [TYPE B] General Note: “CBA” is abbreviation for 1. Purity Check Mode “Circuit Board Assembly.” This mode cycles through full-screen displays of red, Note: Electrical adjustments are required after green, blue, and white to check for non-active pixels. replacing circuit components and certain 1.
  • Page 22 The White Balance Adjustment should be 6. Press [MENU] button. The internal Raster signal appears in the screen. (“Internal (Single)” appears performed when replacing the LCD Panel in the upper right of the screen as shown below.) or Digital Main CBA. 2.
  • Page 23: How To Initialize The Lcd Tv

    HOW TO INITIALIZE THE LCD TV The purpose of initialization is to place the set in a new out of box condition. The customer will be prompted to select a language and program channels after the set has been initialized. To put the program back at the factory-default, initialize the LCD TV using the following procedure.
  • Page 24: Firmware Renewal Mode [Type A]

    FIRMWARE RENEWAL MODE [TYPE A] Equipment Required a. USB storage device b. Remote Control Unit Firmware Update Procedure User Upgrade (Filename example: TVNB012_00_UF_XX91_AA.ecc) Upgrade the firmware only. The setting values will not be initialized. The User Upgrade and the Firmware Upgrade (Factory Upgrade) will be done by the same file. If you want to upgrade the firmware and initialize the setting values also, add “FACT_”...
  • Page 25 Factory Upgrade (Firmware Upgrade/Flash Upgrade) Firmware Upgrade (Filename example: FACT_TVNB012_00_UF_XX91_AA.ecc) Upgrade the firmware and initialize the setting values. The User Upgrade and the Firmware Upgrade (Factory Upgrade) will be done by the same file. If you want to upgrade the firmware and initialize the setting values also, add “FACT_” at the beginning of the filename. If you want to upgrade the firmware only and leave the setting values as they are, eliminate the “FACT_”...
  • Page 26: [Type B]

    [TYPE B] Equipment Required (Files included in the USB storage device are displayed.) 1. USB storage device " * " differs depending on the models. 2. Remote Control Unit *****_******.upg Select an upgrade file Firmware Update Procedure *****_******.upg 1. Turn the power off and unplug the AC Cord. *****_******.upg 2.
  • Page 27: Troubleshooting

    TROUBLESHOOTING [Power Supply Section] FLOW CHART NO.1 The power cannot be turned on. Is the fuse (F601) normal? See FLOW CHART No.2 <The fuse blows out.> Check if there is any leak or short-circuit on the primary circuit component and repair it if defective. (D601, D602, D603, D604, Q601, Q602, T601) Is the P-ON+21V line voltage normal? FLOW CHART NO.2...
  • Page 28 FLOW CHART NO.5 P-ON+21V is not output. Check D650, C651, C652 and their periphery circuit. Repair it if defective. FLOW CHART NO.6 AMP+13V is not output. FLOW CHART NO.7 AL+3.3V is not output. PL12.0ATR...
  • Page 29 [Video Signal Section] FLOW CHART NO.1 The key operation is not functioning. Is approximately +3.3V voltage supplied to Pin(1) of CN4001? Replace Digital Main CBA Unit. Replace IC4001 Check AL+3.3V line and or Function CBA. repair it if defective. FLOW CHART NO.2 No operation is possible from the remote control unit.
  • Page 30 [Audio Signal Section] FLOW CHART NO.1 Audio is not output normally. See FLOW CHART NO.6 <AMP+13V is not output. [Power Supply Section]> See FLOW CHART NO.7 <AL+3.3V is not output. [Power Supply Section]> Replace Digital Main CBA Unit. PL12.0ATR...
  • Page 31: Block Diagrams [Type A]

    BLOCK DIAGRAMS [TYPE A] 1. System Control Block Diagram PL12.0ABLS...
  • Page 32 2. Video/Audio Block Diagram PL12.0ABLVA...
  • Page 33 3. Digital Signal Process Block Diagram PL12.0ABLD...
  • Page 34 4. LED Backlight Drive Block Diagram PL12.0ABLBD...
  • Page 35 5. Power Supply Block Diagram PL12.0ABLP...
  • Page 36: [Type B]

    [TYPE B] 1. System Control Block Diagram PL12.0BBLS...
  • Page 37 2. Video/Audio Block Diagram PL12.0BBLVA...
  • Page 38 3. Digital Signal Process Block Diagram PL12.0BBLD...
  • Page 39 4. LED Backlight Drive Block Diagram PL12.0BBLBD...
  • Page 40 5. Power Supply Block Diagram PL12.0BBLP 9-10...
  • Page 41: Schematic Diagrams / Cba And Test Points

    SCHEMATIC DIAGRAMS / CBA AND TEST POINTS Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.
  • Page 42 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, REPLACE ONLY WITH SAME TYPE_A,_V FUSE. ATTENTION: UTILISER UN FUSIBLE DE RECHANGE DE MÊME TYPE DE_A,_V. 2.
  • Page 43 Power Supply Schematic Diagram CAUTION ! Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. NOTE: CAUTION ! : For continued protection against risk of fire, If Main Fuse (F601) is blown , check to see that all components in the power supply The voltage for parts in hot circuit is measured using replace only with same type 4A, 125V fuse.
  • Page 44 Function Schematic Diagram C4054 TO DIGITAL MAIN R4052 R4063 6.8K OPEN CBA UNIT CN3101 R4061 CN4001 or CN3105 OPEN R4062 1 AL+3.3V 2 P-ON+5V 3 LIGHT RS4051 GP1USC32XP 4 LED1 D4051 (REMOTE SENSOR) R4055 R4059 SML813WBC8W1 OPEN OPEN 5 REMOTE POWER IC4051 6 KEY-IN1...
  • Page 45 Digital Main 1 Schematic Diagram [TYPE A] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3005. IC3005 is divided into five and shown as IC3005 (1/5) ~ IC3005 (5/5) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CONTINUE D3008...
  • Page 46 Digital Main 2 Schematic Diagram [TYPE A] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3005. IC3005 is divided into five and shown as IC3005 (1/5) ~ IC3005 (5/5) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT TU3901 TUNER UNIT TU3902 OPEN...
  • Page 47 Digital Main 3 Schematic Diagram [TYPE A] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3005. IC3005 is divided into five and shown as IC3005 (1/5) ~ IC3005 (5/5) in this Digital Main Schematic Diagram Section. C3009 IC3005(3/5) OPEN...
  • Page 48 Digital Main 4 Schematic Diagram [TYPE A] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3005. IC3005 is divided into five and shown as IC3005 (1/5) ~ IC3005 (5/5) in this Digital Main Schematic Diagram Section. R3218 OPEN CONTINUE...
  • Page 49 Digital Main 5 Schematic Diagram [TYPE A] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3005. IC3005 is divided into five and shown as IC3005 (1/5) ~ IC3005 (5/5) in this Digital Main Schematic Diagram Section. CONTINUE DIGITAL 4 CHECK+1.8V...
  • Page 50 Digital Main 1 Schematic Diagram [TYPE B] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into eight and shown as IC3101 (1/8) ~ IC3101 (8/8) in this Digital Main Schematic Diagram Section. CONTINUE DIGITAL 8 TO LCD PANEL...
  • Page 51 Digital Main 2 Schematic Diagram [TYPE B] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into eight and shown as IC3101 (1/8) ~ IC3101 (8/8) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT IC3101(2/8) MN2WS0172A...
  • Page 52 Digital Main 3 Schematic Diagram [TYPE B] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into eight and shown as IC3101 (1/8) ~ IC3101 (8/8) in this Digital Main Schematic Diagram Section. CONTINUE (NO CONNECTION) CN3111...
  • Page 53 Digital Main 4 Schematic Diagram [TYPE B] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into eight and shown as IC3101 (1/8) ~ IC3101 (8/8) in this Digital Main Schematic Diagram Section. CONTINUE DIGITAL 6 P-ON+3.3V...
  • Page 54 Digital Main 5 Schematic Diagram [TYPE B] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into eight and shown as IC3101 (1/8) ~ IC3101 (8/8) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CONTINUE DIGITAL 8...
  • Page 55 Digital Main 6 Schematic Diagram [TYPE B] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into eight and shown as IC3101 (1/8) ~ IC3101 (8/8) in this Digital Main Schematic Diagram Section. IC3101(6/8) DIGITAL MAIN CBA UNIT MN2WS0172A...
  • Page 56 Digital Main 7 Schematic Diagram [TYPE B] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into eight and shown as IC3101 (1/8) ~ IC3101 (8/8) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CONTINUE DIGITAL 4...
  • Page 57 Digital Main 8 Schematic Diagram [TYPE B] DIGITAL MAIN CBA UNIT CONTINUE DIGITAL 7 DC-DC-EN D3611 R3682 R3607 MM5Z15B Q3601 R3683 C3702 R3904 C3604 R3695 2SA1576UBTLQ 100K OPEN OPEN OPEN OPEN (SWITCHING) R3608 CONTINUE DIGITAL 4 P-ON-H2 R3609 R3610 4.7K D3614 4.7K IC3601...
  • Page 58 Digital Main 9 Schematic Diagram [TYPE B] CONTINUE DIGITAL 6 DIGITAL MAIN CBA UNIT AL+3.3V CONTINUE DIGITAL 8 P-ON+5V Q3108 R3200 R3206 R3215 CONTINUE OPEN OPEN OPEN OPEN DIGITAL 4 SW-EN LED1 REMOTE R3207 OPEN R3102 R3209 R3188 OPEN OPEN TO FUNCTION R3107 CBA CN4001...
  • Page 59 Digital Main 10 Schematic Diagram [TYPE B] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into eight and shown as IC3101 (1/8) ~ IC3101 (8/8) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT R3875 R3738...
  • Page 60 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, CAUTION ! when troubleshooting this type of power supply circuit, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
  • Page 61 Power Supply CBA Bottom 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, CAUTION ! when troubleshooting this type of power supply circuit, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
  • Page 62 Function CBA Top View R4011 R4012 R4014 C4055 C4006 NO.7 R4063 TP4061 R4061 R4054 R4010 R4052 R4013 R4002 TP4062 C4002 TP4060 C4053 R4062 R4004 C4054 R4006 R4058 D4053 C4001 A30C5 C7A3 CN4001 R4007 R4051 D4051 R4005 POWER CH + CH - SOURCE MENU VOL +...
  • Page 63: Wiring Diagrams [Type A]

    WIRING DIAGRAMS [TYPE A] 11-1 PL12.0AWI...
  • Page 64: [Type B]

    [TYPE B] PL12.0BWI 11-2...
  • Page 65: Exploded Views [Type A]

    EXPLODED VIEWS [TYPE A] LCD1 CL3006 CL1001 LCD Module Digital Main CBA Unit CL3701 Function CBA CL3801 CL3101 Power Supply CBA AC601 See Electrical Parts List SP3802 for parts with this mark. SP3801 Stand Assembly SSK1 12-1 PL12.0-A_CEX...
  • Page 66 [TYPE B] LCD1 CL3006 CL1001 LCD Module Digital Main CBA Unit CL3701 Function CBA CL3801 CL3101 Power Supply CBA AC601 See Electrical Parts List SP3802 for parts with this mark. SP3801 Stand Assembly SSK1 12-2 PL12.0-B_CEX...
  • Page 67: Type B

    Packing Upper Side Lower Side Stand Assembly Tape TYPE B SSK1 Tape Fixlon Tape Packing Tape Packing Tape S I D Packing Tape Some Ref. Numbers are not in sequence. 12-3 PL12.0-A_PEX...
  • Page 68: Parts List [Type A]

    TYPE A PARTS LIST [22PFL4507/F7 (Serial No.: ME1), 22PFL4507/F8 (Serial No.: XA1)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a LCD PANEL ASSEMBLY # have special characteristics important to safety. Ref. No. Description Part No. Before replacing any of these components, read...
  • Page 69: Electrical Parts

    Electrical Parts PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C1019 CHIP CERAMIC CAP .(1608) B K 4.7µF/6.3V CHD0KK30B475 Before replacing any of these components, read C1022 CHIP CERAMIC CAP . B K 470pF/50V CHD1JK30B471 carefully the product safety notice in this service CONNECTORS...
  • Page 70 Ref. No. Description Part No. Ref. No. Description Part No. RES CARBON FILM T 1/4W J 270 Ω R606 RCX4271T1001 JS632 WIRE CP STP-S-0.50 XZ40F0REN001 RES CARBON FILM T 1/4W J 270 Ω R607 RCX4271T1001 SCREW B-TIGHT D3X8 BIND HEAD+ GBJB3080 RES CARBON FILM T 1/4W J 1.2k Ω...
  • Page 71: Type B

    Don't degrade the safety of the product through improper servicing. NOTE: Parts that are not assigned part numbers (---------) are not available. Different parts from the original model 22PFL4507/F7 (Serial No. : ME1) Ref. No. Description Part No. REAR COVER A2776UT...
  • Page 72 C..±0.25% D..±0.5% F..±1% G..±2% J..±5% K..±10% M..±20% N..±30% Z..+80/-20% Different parts from the original model 22PFL4507/F7 (Serial No. : ME1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A2776MMA-001 POWER SUPPLY CBA A2776MPW-001 C651 Not used C652 ELECTROLYTIC CAP .
  • Page 73: Revision History

    REVISION HISTORY Chassis PL12.0 • 2012/03/01 22PFL4507/F7 (Serial No.: ME1) added • 2012/04/02 22PFL4507/F8 (Serial No.: XA1) added • 2012/04/06 22PFL4907/F7 (Serial No.: ME1) added 14-1 PL12.0REV...
  • Page 74 COMPARISON LIST OF MODEL NAMES Chassis PL12.0 22PFL4507/F7 (ME1) A2176UT 22PFL4507/F8 (XA1) A217AMA 22PFL4907/F7 (ME1) A2776UT PL12.0COM...

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