FUNAI LF320EM4 A Service Manual

FUNAI LF320EM4 A Service Manual

32” lcd tv
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32" LCD TV

SERVICE MANUAL

TYPE A
LF320EM4 A
EMERSON
32ME303V/F7 A
MAGNAVOX
TYPE B
LF320EM4 A
EMERSON
TYPE C
LF320EM4 A
EMERSON
TYPE D
LF320EM4 A
EMERSON
32ME303V/F7 A
MAGNAVOX
LF320EM5F
EMERSON
TYPE E
LF320EM4 A
EMERSON
TYPE F
LF320EM5F
EMERSON
32ME303V/F7 A
MAGNAVOX
LF320EM4 A
EMERSON
TYPE G
LF320EM4 A
EMERSON
32ME303V/F7 A
MAGNAVOX
This service manual contains information of different types of models.
Make sure to refer to the section describing your model.
© 2015 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.
chassis FL14.10
Contents
(Serial No.: DS1, DS2)
(Serial No.: DS1)
(Serial No.: ME2)
(Serial No.: ME5)
(Serial No.: ME1, ME6)
(Serial No.: ME1)
(Serial No.: ME1, ME2)
(Serial No.: ME4)
(Serial No.: ME3)
(Serial No.: ME2)
(Serial No.: ME7)
(Serial No.: ME8, ME9)
(Serial No.: ME3)
150701

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Summary of Contents for FUNAI LF320EM4 A

  • Page 1: Service Manual

    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.
  • Page 2: Important Safety Notice

    It also is important to understand that these CAUTIONS and NOTICES ARE NOT EXHAUSTIVE. Funai 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.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Specifications ................1-1 Important Safety Precautions .
  • Page 4: Specifications

    SPECIFICATIONS < TUNER / NTSC > Description Condition Unit Nominal Limit 1. AFT Pull-In Range ±2.3 ±2.1 TV.ch.4 dBV 2. Synchronizing Sens. CA.ch.31 dBV CA.ch.87 dBV < TUNER / ATSC > Description Condition Unit Nominal Limit 1. Received Freq. Range (-28dBm) ±100 ch.4 -76/0...
  • Page 5: 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 6 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 7 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 8 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 9: 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 10 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 11 With Iron Wire: 2. Installation 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 12 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 M) that is properly grounded to remove any static electricity that may be charged on the body.
  • Page 13: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart *2: TYPE F *3: TYPE G This flowchart indicates the disassembly steps for the cabinet parts and the CBA in order to gain access to Note: items to be serviced. When reassembling, follow the (1) Order of steps in procedure.
  • Page 14 [2] AC Cord Cover (L-1) (S-2) [1] Stand Cover Assembly (S-1) Fig. D1 FL14.10-A_DC...
  • Page 15 [3] Rear Cover [4] Speaker (S-6) (S-3) (S-6) (S-5) [4] Speaker (S-5) (L-2) (S-5) (S-3) [TYPE G] (S-5) (S-4) (L-2) (S-5) Hook Fig. D2 FL14.10-A_DC...
  • Page 16 (S-8) (S-8) (S-7) [6] PCB Holder (S-7) [5] Digital Main CBA Unit Fig. D3 FL14.10-A_DC...
  • Page 17 [8] Front Cabinet [7] LCD Panel Assembly (L-3) (S-9) (L-3) Shield Plate* Sensor Lens* Hook* (S-9) Control Plate* (S-9) [9] Function CBA Unit Fig. D4 : Make sure to read all the precautions on page 4-1 when you disassemble/re-assemble the Front Cabinet or Function CBA Unit. FL14.10-A_DC...
  • Page 18: Wiring Diagram

    TV Cable Wiring Diagram To LCD Panel [TYPE A, TYPE B, TYPE D, TYPE E, TYPE F, TYPE G] Assembly Digital Main CBA Unit CN1001 CN601 [TYPE A, TYPE B, CN3102 TYPE D, TYPE E] [TYPE F, TYPE G] CN3103 CN3801 CN3101 To LCD Panel...
  • Page 19: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS 1. Purity Check Mode General Note: “CBA” is abbreviation for “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 20 The VCOM Adjustment should be 2. Turn the power on. performed when replacing the Digital Note: Execute the VCOM adjustment within 2 minutes after you turn the power on. Main CBA. 3. Enter the service mode. 2. VCOM Adjustment 4. Press [2] button to select the VCOM adjustment. 5.
  • Page 21: 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.) Digital Main CBA. 3.
  • Page 22 15. Press [VOLUME DOWN] button to shift to the “Debugging Message” mode. If there is no message under “[WB]” section, this adjustment completes. If “Drive settings are NG. Retry again.” is displayed, repeat above steps from 5. to 14. Then check “Debugging Message”...
  • 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

    FIRMWARE RENEWAL MODE Equipment Required a. USB storage device b. Remote Control Unit Firmware Update Procedure User Upgrade (Filename example: TVNB2001_00_UH_XX91_AA0/AB0/GB0/GC0.bin) 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_TVNB2001_00_UH_XX91_AA0/AB0/GB0/GC0.bin) 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: Parts List

    TROUBLESHOOTING Note: This Troubleshooting section covers the entire FL14.10 chassis models. Thus some Reference number of parts shown below may not be used depending on the model. Please refer to the parts list for each model. [Power Supply Section] FLOW CHART NO.1 The power cannot be turned on.
  • Page 27 FLOW CHART NO.5 P-ON+21V is not output. Check D650, D651, C652, C653 and their periphery circuit. Repair it if defective. FLOW CHART NO.6 AMP+13V is not output. FL14.10ATR...
  • Page 28 [Video Signal Section] FLOW CHART NO.1 The key operation is not functioning. Replace the Function CBA Unit. Replace the Digital Main CBA Unit. FLOW CHART NO.2 No operation is possible from the remote control unit. (Operation is possible from the unit.) Check AL+3.3V line and repair it if defective.
  • Page 29 [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]> Replace the Digital Main CBA Unit. FL14.10ATR...
  • Page 30: Block Diagrams [Type A, Type B]

    BLOCK DIAGRAMS [TYPE A, TYPE B] 1. System Control Block Diagram FL14.10BLS...
  • Page 31 2. Video/Audio Block Diagram FL14.10BLVA...
  • Page 32 3. Digital Signal Process Block Diagram FL14.10BLD...
  • Page 33 4. LED Backlight Drive Block Diagram FL14.10BLBD...
  • Page 34 5. Power Supply Block Diagram FL14.10BLP...
  • Page 35: Type C]

    [TYPE C] 1. System Control Block Diagram FL14.10CBLS...
  • Page 36 2. Video/Audio Block Diagram FL14.10BLVA...
  • Page 37 3. Digital Signal Process Block Diagram FL14.10CBLD...
  • Page 38 4. LED Backlight Drive Block Diagram FL14.10BLBD...
  • Page 39 5. Power Supply Block Diagram FL14.10BLP 9-10...
  • Page 40: Type D]

    [TYPE D] 1. System Control Block Diagram 9-11 FL14.10DBLS...
  • Page 41 2. Video/Audio Block Diagram FL14.10DBLVA 9-12...
  • Page 42 3. Digital Signal Process Block Diagram FL14.10BLD 9-13...
  • Page 43 4. LED Backlight Drive Block Diagram 9-14 FL14.10DBLBD...
  • Page 44 5. Power Supply Block Diagram FL14.10BLP 9-15...
  • Page 45: Type E]

    [TYPE E] 1. System Control Block Diagram 9-16 FL14.10EBLS...
  • Page 46 2. Video/Audio Block Diagram FL14.10BLVA 9-17...
  • Page 47 3. Digital Signal Process Block Diagram FL14.10EBLD 9-18...
  • Page 48 4. LED Backlight Drive Block Diagram FL14.10BLBD 9-19...
  • Page 49 5. Power Supply Block Diagram FL14.10BLP 9-20...
  • Page 50: Type F, Type G]

    [TYPE F, TYPE G] 1. System Control Block Diagram 9-21 FL14.10FBLS...
  • Page 51 2. Video/Audio Block Diagram [TYPE F] FL14.10DBLVA 9-22...
  • Page 52 2. Video/Audio Block Diagram [TYPE G] FL14.10GBLVA 9-23...
  • Page 53 3. Digital Signal Process Block Diagram FL14.10FBLD 9-24...
  • Page 54 4. LED Backlight Drive Block Diagram 9-25 FL14.10DBLBD...
  • Page 55 5. Power Supply Block Diagram FL14.10BLP 9-26...
  • Page 56: 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 57 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 58 Digital Main 1 Schematic Diagram [TYPE A, TYPE B] NOTE: CAUTION ! The voltage for parts in hot circuit is measured using CAUTION ! : For continued protection against risk of fire, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. hot GND as a common terminal.
  • Page 59 Digital Main 2 Schematic Diagram [TYPE A,TYPE B] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CONTINUE DIGITAL 1...
  • Page 60 Digital Main 3 Schematic Diagram [TYPE A,TYPE B] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section. IC3101(2/4) MSD8220LB1-S1 DIGITAL MAIN CBA UNIT...
  • Page 61 Digital Main 4 Schematic Diagram [TYPE A,TYPE B] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT TU3901 (TUNER UNIT) IC3101(3/4)
  • Page 62 Digital Main 5 Schematic Diagram [TYPE A,TYPE B] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section. IC3602 DIGITAL MAIN CBA UNIT AP1117EG-13...
  • Page 63 Digital Main 1 Schematic Diagram [TYPE C] NOTE: CAUTION ! The voltage for parts in hot circuit is measured using Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. CAUTION ! : For continued protection against risk of fire, hot GND as a common terminal.
  • Page 64 Digital Main 2 Schematic Diagram [TYPE C] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CONTINUE DIGITAL 1...
  • Page 65 Digital Main 3 Schematic Diagram [TYPE C] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section. IC3101(2/4) MSD8220LB1-S1 DIGITAL MAIN CBA UNIT...
  • Page 66 Digital Main 4 Schematic Diagram [TYPE C] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT TU3901 (TUNER UNIT) IC3101(3/4)
  • Page 67 Digital Main 5 Schematic Diagram [TYPE C] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section. IC3602 DIGITAL MAIN CBA UNIT AP1117EG-13...
  • Page 68 Digital Main 1 Schematic Diagram [TYPE D] NOTE: CAUTION ! The voltage for parts in hot circuit is measured using Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. CAUTION ! : For continued protection against risk of fire, hot GND as a common terminal.
  • Page 69 Digital Main 2 Schematic Diagram [TYPE D] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CONTINUE DIGITAL 1...
  • Page 70 Digital Main 3 Schematic Diagram [TYPE D] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. IC3101(2/5) MSD8220LB1-S1 DIGITAL MAIN CBA UNIT...
  • Page 71 Digital Main 4 Schematic Diagram [TYPE D] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT IC3101(3/5) MSD8220LB1-S1...
  • Page 72 Digital Main 5 Schematic Diagram [TYPE D] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. IC3602 DIGITAL MAIN CBA UNIT AP1117EG-13...
  • Page 73 Digital Main 6 Schematic Diagram [TYPE D] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. TU1 OPEN C9317 C9322...
  • Page 74 Digital Main 1 Schematic Diagram [TYPE E] NOTE: CAUTION ! The voltage for parts in hot circuit is measured using CAUTION ! : For continued protection against risk of fire, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. hot GND as a common terminal.
  • Page 75 Digital Main 2 Schematic Diagram [TYPE E] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CONTINUE DIGITAL 1...
  • Page 76 Digital Main 3 Schematic Diagram [TYPE E] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section. IC3101(2/4) MSD8220LB1-S1 DIGITAL MAIN CBA UNIT...
  • Page 77 Digital Main 4 Schematic Diagram [TYPE E] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT TU3901 (TUNER UNIT) IC3101(3/4)
  • Page 78 Digital Main 5 Schematic Diagram [TYPE E] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into four and shown as IC3101 (1/4) ~ IC3101 (4/4) in this Digital Main Schematic Diagram Section. IC3602 DIGITAL MAIN CBA UNIT AP1117EG-13...
  • Page 79 Digital Main 1 Schematic Diagram [TYPE F] NOTE: CAUTION ! The voltage for parts in hot circuit is measured using CAUTION ! : For continued protection against risk of fire, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. hot GND as a common terminal.
  • Page 80 Digital Main 2 Schematic Diagram [TYPE F] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CONTINUE DIGITAL 1...
  • Page 81 Digital Main 3 Schematic Diagram [TYPE F] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. IC3101(2/5) DIGITAL MAIN CBA UNIT MSD8220LB1-S1...
  • Page 82 Digital Main 4 Schematic Diagram [TYPE F] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT IC3101(3/5) MSD8220LB1-S1...
  • Page 83 Digital Main 5 Schematic Diagram [TYPE F] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT IC3602 AP1117EG-13...
  • Page 84 Digital Main 6 Schematic Diagram [TYPE F] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. TU1 OPEN C9317 C9322...
  • Page 85 Digital Main 1 Schematic Diagram [TYPE G] NOTE: CAUTION ! The voltage for parts in hot circuit is measured using CAUTION ! : For continued protection against risk of fire, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. hot GND as a common terminal.
  • Page 86 Digital Main 2 Schematic Diagram [TYPE G] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CONTINUE DIGITAL 1...
  • Page 87 Digital Main 3 Schematic Diagram [TYPE G] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. IC3101(2/5) MSD8220LB1-S1 DIGITAL MAIN CBA UNIT...
  • Page 88 Digital Main 4 Schematic Diagram [TYPE G] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT IC3101(3/5) MSD8220LB1-S1...
  • Page 89 Digital Main 5 Schematic Diagram [TYPE G] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. IC3602 DIGITAL MAIN CBA UNIT AP1117EG-13...
  • Page 90 Digital Main 6 Schematic Diagram [TYPE G] 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3101. IC3101 is divided into five and shown as IC3101 (1/5) ~ IC3101 (5/5) in this Digital Main Schematic Diagram Section. CN9001 (NO CONNECTION) 1 +3.3V...
  • Page 91 Function Schematic Diagram FUNCTION CBA UNIT C4054 R4052 R4060 TO DIGITAL MAIN 6.8K 8.2K CN4052 CBA UNIT CN3101 R4053 1 AL+3.3V OPEN 2 P-ON+5V LIGHT(NU) 4 LED1 D4051 R4055 R4059 LTST-C190KRKT OPEN OPEN 5 REMOTE POWER IC4051 6 KEY-IN1 OPEN 7 GND 8 SCL(NU) R4057...
  • Page 92 Digital Main CBA Top View [TYPE A, TYPE B] CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. circuit, an isolation transformer must be used when repairing. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F602) is blown , check to see that all components in the power supply...
  • Page 93 Digital Main CBA Bottom View [TYPE A, TYPE B] CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. circuit, an isolation transformer must be used when repairing. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F602) is blown , check to see that all components in the power supply...
  • Page 94 Digital Main CBA Top View [TYPE C] CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. circuit, an isolation transformer must be used when repairing. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F602) is blown , check to see that all components in the power supply...
  • Page 95 Digital Main CBA Bottom View [TYPE C] CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. circuit, an isolation transformer must be used when repairing. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F602) is blown , check to see that all components in the power supply...
  • Page 96 Digital Main CBA Top View [TYPE D] CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. circuit, an isolation transformer must be used when repairing. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F602) is blown , check to see that all components in the power supply...
  • Page 97 Digital Main CBA Bottom View [TYPE D] CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. circuit, an isolation transformer must be used when repairing. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F602) is blown , check to see that all components in the power supply...
  • Page 98 Digital Main CBA Top View [TYPE E] CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. circuit, an isolation transformer must be used when repairing. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F602) is blown , check to see that all components in the power supply...
  • Page 99 Digital Main CBA Bottom View [TYPE E] CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. circuit, an isolation transformer must be used when repairing. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F602) is blown , check to see that all components in the power supply...
  • Page 100 Digital Main CBA Top View [TYPE F] CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. circuit, an isolation transformer must be used when repairing. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F602) is blown , check to see that all components in the power supply...
  • Page 101 Digital Main CBA Bottom View [TYPE F] CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. circuit, an isolation transformer must be used when repairing. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F602) is blown , check to see that all components in the power supply...
  • Page 102 Digital Main CBA Top View [TYPE G] CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. circuit, an isolation transformer must be used when repairing. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F602) is blown , check to see that all components in the power supply...
  • Page 103 Digital Main CBA Bottom View [TYPE G] CAUTION ! Because a hot chassis ground is present in the power supply Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. circuit, an isolation transformer must be used when repairing. CAUTION ! : For continued protection against risk of fire, If Main Fuse (F602) is blown , check to see that all components in the power supply...
  • Page 104 WIRING DIAGRAM SP3801 SP3802 SPEAKER SPEAKER L-CH R-CH CL3801 CN3801 CN3101 CN4052 CL3101 FUNCTION CBA UNIT TUNER UNIT [TYPE A, TYPE B, TYPE C, TYPE E] COMPONENT -Y/VIDEO-IN COMPONENT -Pb-IN CN601 AC CORD COMPONENT -Pr-IN AUDIO(L)-IN AUDIO(R)-IN DIGITAL MAIN CBA UNIT DIGITAL AUDIO-OUT (COAXIAL)
  • Page 105: Exploded Views

    EXPLODED VIEWS “ * ” differs depending on the models. LCD1 B2-1 B2-1 B2-1 B2-1 B2-1 [TYPE A, B, C] [TYPE A, B, D, F, G] CL3102 [TYPE A, B, C, D, E, F] B2-1 B2-2 SP3801 [TYPE D, E, F, G] CL3101 CL3102 CL3801...
  • Page 106 Packing Tape SSK1 32ME303V/F7 A Packing Tape Packing Tape I D E I D E Packing Tape Some Ref. Numbers are not in sequence. 12-2 FL14.10-A_PEX...
  • Page 107: Lcd Panel Assembly

    TYPE A PARTS LIST [LF320EM4 A (Serial No.: DS1)] Mechanical Parts LCD PANEL ASSEMBLY PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Ref. No. Description Part No. Before replacing any of these components, read...
  • Page 108 Electrical Parts PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C1015 CHIP CERAMIC CAP .(1608) B K 0.047µF/25V CHD1EK30B473 Before replacing any of these components, read C1016 CHIP CERAMIC CAP .(1005) B K 2200pF/50V CHB1JK30B222 carefully the product safety notice in this service C1017...
  • Page 109 FUNCTION CBA UNIT Ref. No. Description Part No. RES CHIP 3216 1/4W J 220  R607 RRX4221HH034 Ref. No. Description Part No. RES CHIP 3216 1/4W J 1.5k  R608 RRX4152HH034 FUNCTION CBA UNIT A4AF0MSW-001 RES CHIP 1608 1/10W J 100  R609 RRXA101HH013 RES CHIP 3216 1/4W J 5.6k ...
  • Page 110 TYPE A PARTS LIST [LF320EM4 A (Serial No.: DS2)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual.
  • Page 111 D..±0.5% F..±1% G..±2% J..±5% K..±10% M..±20% N..±30% Z..+80/-20% Different parts from the original model LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFAMMA-004 C1018 CERAMIC CAP . B K 470pF/500V CCD2JKS0B471 RES CHIP 1005 1/16W F 24.0k ...
  • Page 112 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 LF320EM4 A (Serial No. : DS1) Ref.No. Description Parts No. A15#...
  • Page 113 2. Tolerance of Capacitors and Resistors are noted with the following symbols. 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 LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AF1MMA-004 2015/06/23 13-7 A4AF1_EL...
  • Page 114 TYPE B PARTS LIST [LF320EM4 A (Serial No.: ME2)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual.
  • Page 115 D..±0.5% F..±1% G..±2% J..±5% K..±10% M..±20% N..±30% Z..+80/-20% Different parts from the original model LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFCMMA-003 C1018 CERAMIC CAP . B K 470pF/500V CCD2JKS0B471 RES CHIP 1005 1/16W F 24.0k ...
  • Page 116 TYPE C PARTS LIST [LF320EM4 A (Serial No.: ME5)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual.
  • Page 117 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 LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFFMMA-004 C606 CERAMIC CAP . 680pF/2kV CA3D681PAN04 C607 CHIP CERAMIC CAP . B K 2200pF/50V...
  • Page 118 TYPE D PARTS LIST [LF320EM4 A (Serial No.: ME1)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual.
  • Page 119 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 LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFBMMA-003 C606 CERAMIC CAP . 680pF/2kV CA3D681PAN04 C607 CHIP CERAMIC CAP . B K 2200pF/50V...
  • Page 120 TYPE D PARTS LIST [LF320EM4 A (Serial No.: ME6)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual.
  • Page 121 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 LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFBMMA-003 C606 CERAMIC CAP . 680pF/2kV CA3D681PAN04 C607 CHIP CERAMIC CAP . B K 2200pF/50V...
  • Page 122 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 LF320EM4 A (Serial No. : DS1) Ref.No. Description Parts No. A15#...
  • Page 123 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 LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFGMMA-004 C606 CERAMIC CAP . 680pF/2kV CA3D681PAN04 C607 CHIP CERAMIC CAP . B K 2200pF/50V...
  • Page 124 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 LF320EM4 A (Serial No. : DS1) Ref.No. Description Parts No. A15#...
  • Page 125 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 LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFBMMA-003 C606 CERAMIC CAP . 680pF/2kV CA3D681PAN04 C607 CHIP CERAMIC CAP . B K 2200pF/50V...
  • Page 126 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 LF320EM4 A (Serial No. : DS1) Ref.No. Description Parts No. A15#...
  • Page 127 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 LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFBMMA-003 C606 CERAMIC CAP . 680pF/2kV CA3D681PAN04 C607 CHIP CERAMIC CAP . B K 2200pF/50V...
  • Page 128 TYPE E PARTS LIST [LF320EM4 A (Serial No.: ME4)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual.
  • Page 129 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 LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFEMMA-003 C606 CERAMIC CAP . 680pF/2kV CA3D681PAN04 C607 CHIP CERAMIC CAP . B K 2200pF/50V CHD1JK30B222 RES CEMENT /T_ 5W J 2.7 ...
  • Page 130 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 LF320EM4 A (Serial No. : DS1) Ref.No. Description Parts No. A15#...
  • Page 131 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 LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFPMMA-002 C606 CERAMIC CAP . 680pF/2kV CA3D681PAN04 C607 CHIP CERAMIC CAP . B K 2200pF/50V...
  • Page 132 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 LF320EM4 A (Serial No. : DS1) Ref.No. Description Parts No. A15#...
  • Page 133 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 LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFRMMA-001 C606 CERAMIC CAP . 680pF/2kV CA3D681PAN04 C607 CHIP CERAMIC CAP . B K 2200pF/50V...
  • Page 134 TYPE F PARTS LIST [LF320EM4 A(Serial No.: ME7)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.
  • Page 135 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 LF320EM4 A (Serial No. : DS1) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFPMMA-002 C606 CERAMIC CAP . 680pF/2kV CA3D681PAN04 C607 CHIP CERAMIC CAP . B K 2200pF/50V...
  • Page 136 TYPE G PARTS LIST [LF320EM4 A(Serial No.: ME8)] Mechanical Parts PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.
  • Page 137 R1037 Not used Different parts from the original model R1038 Not used R1051 CHIP RES.(1005) 1/16W J 10k RRXG103HH004 LF320EM4 A (Serial No. : DS1) R1052 RES CHIP 1608 1/10W J 3.9k RRXA392HH013 Ref. No. Description Part No. R1053 CHIP RES.(1005) 1/16W J 10k...
  • Page 138 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 of TYPE G LF320EM4 A (Serial No. : ME8) Ref.No. Description Parts No. REMOCON UNIT NH305UD...
  • Page 139 K..±10% M..±20% N..±30% Z..+80/-20% Different parts from the original model of TYPE G LF320EM4 A (Serial No. : ME8) There is no difference from the original model of TYPE G LF320EM4 A (Serial No.: ME8) for Electrical Parts section. 2015/06/26...
  • Page 140 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 of TYPE G LF320EM4 A (Serial No. : ME8) Ref.No. Description Parts No. A15#...
  • Page 141 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 of TYPE G LF320EM4 A (Serial No. : ME8) Ref. No. Description Part No. DIGITAL MAIN CBA UNIT A4AFTMMA-001 2015/06/26 13-35 A4AFT_EL...
  • Page 142: Revision History

    32ME303V/F7 A (Serial No.: ME2) Added • 2014/10/23 LF320EM4 A (Serial No.: ME7) Added • 2015/07/01 LF320EM4 A (Serial No.: ME8) First draft added • 2015/07/01 LF320EM4 A (Serial No.: ME9) First draft added • 2015/07/01 32ME303V/F7 A (Serial No.: ME3) First draft added 14-1 FL14.10REV...
  • Page 143 COMPARISON LIST OF MODEL NAMES Chassis FL14.10 LF320EM4 A (DS1) A4AF0UH TYPE A (DS2) A4AFAUH TYPE A (ME1) A4AFBUT TYPE D (ME2) A4AFCUT TYPE B (ME4) A4AFEUT TYPE E (ME5) A4AFFUT TYPE C (ME6) A4AFKUT TYPE D (ME7) A4AFQUT TYPE F...

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