FUNAI LED40-H9825M Service Manual
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FUNAI LED40-H9825M Service Manual

40″ color lcd television
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SERVICE MANUAL

This Service Manual is for the LED40-H9825M (A13P1EP) model.
For the LED40-H9825M (A13P1EP) model, the letter (A13P1EP) is printed
on the Serial Number Label on the back of the unit. Refer to the Serial
Number Label below.
Serial No. Label
"A13P1EP"
40" COLOR LCD TELEVISION
LED40-H9825M

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Summary of Contents for FUNAI LED40-H9825M

  • Page 1: Service Manual

    SERVICE MANUAL This Service Manual is for the LED40-H9825M (A13P1EP) model. For the LED40-H9825M (A13P1EP) model, the letter (A13P1EP) is printed on the Serial Number Label on the back of the unit. Refer to the Serial Number Label below. Serial No. Label "A13P1EP"...

  • Page 2: Table Of Contents

    40″ COLOR LCD TELEVISION LED40-H9825M TABLE OF CONTENTS Specifications ................1-1 Important Safety Precautions.

  • Page 3: Specifications

    SPECIFICATIONS < TUNER > VHS/UHF Input ----------- 75Ω unbal., IEC Connector Center IF ------------------- SECAM-L 38.9MHz, SECAM-L’ 33.9MHz Description Condition Unit Nominal Limit 1. Video S/N 2. Audio S/N 40/40 < LCD PANEL > Description Condition Unit Nominal Limit Horizontal pixels 1366 1.
  • Page 4 < AUDIO > All items are measured across 16 Ω load at speaker output terminal. Description Condition Unit Nominal Limit 1. Audio Output Power 10% THD: Lch/Rch 10/10 2. Audio Distortion 500mW: Lch/Rch 1.5/1.5 3.0/3.0 -6dB: Lch 3. Audio Freq. Response -6dB: Rch 4.

  • 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 4. Hot Chassis Warning - 7. Product Safety Notice - Some electrical and mechanical parts have special safety-related a. Some TV receiver chassis are electrically characteristics which are often not evident from connected directly to one conductor of the AC visual inspection, nor can the protection they give power cord and maybe safety-serviced without necessarily be obtained by replacing them with...
  • 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 Chassis or Secondary Conductor for damage or deterioration. Observe that screws, parts and wires have been returned to original posi- tions. Afterwards, perform the following tests and con- Primary Circuit firm the specified values in order to verify compliance with safety standards.

  • 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: 1. Prepare the hot-air flat pack-IC desoldering Top View Bottom View machine, then apply hot air to the Flat Pack-IC...
  • Page 10 With Soldering Iron: 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 all pins of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, flux which is applied to all pins of the flat pack-IC, you can remove it easily.

  • Page 11: Instructions For Handling Semi- Conductors

    2. Installation Instructions for Handling Semi- 1. Using desoldering braid, remove the solder from conductors the foil of each pin of the flat pack-IC on the CBA Electrostatic breakdown of the semi-conductors may so you can install a replacement flat pack-IC more occur due to a potential difference caused by easily.

  • Page 12: 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 AC Inlet items to be serviced. When reassembling, follow the [10] D3 2(S-16), CL602 Holder...
  • Page 13 (S-2) (S-2) (S-2) (S-2) (S-3) (S-4) (S-4) (S-2) (S-2) (S-5) (S-2) (S-4) (S-3) (S-2) (S-1) [2] Rear Cabinet (S-3) (S-2) [1] Stand Assembly Fig. D1 A13P1DC...
  • Page 14 [4] Digital Main CBA Unit Shield Box (S-8) Jack Holder (D) [3] Tuner Shield (S-7) (S-8) (S-6) (S-9) Jack Holder (A) [6] Power Supply CBA Unit [5] Jack CBA (S-9) (S-10) Separation Sheet (S-11) Fig. D2 A13P1DC...
  • Page 15 [7] PCB Holder (S-12) (S-12) (S-12) [12] Speaker [8] FRC CBA Unit (S-13) FRC Shield (S-13) CL601 (S-14) (S-16) (S-17) (S-14) Switch [12] Speaker (S-16) (S-15) Power CL602 (S-14) [11] SW Holder [9] Stand Bracket [10] AC Inlet Holder Fig. D3 A13P1DC...
  • Page 16 Decoration Panel (L) [16] Front Cabinet (S-18) Decoration Panel (R) [15] LCD Module Assembly (S-18) Function Knob (High) [14] Function CBA (S-18) Knob Sensor LED Lens Cover Sensor Shield (S-18) [13] IR Sensor CBA Fig. D4 A13P1DC...
  • Page 17 TV Cable Wiring Diagram To LCD Module Assembly Power Supply CBA Unit Digital Main CBA Unit CN3901 CN3701 CN3702 CN3703 CN2103 CN2105 CN2104 CN2602 CN2603 CN2601 To Main Power Switch FRC CBA Unit CN2801 CN2802 CN2102 CN5001 To AC Inlet Jack CBA To Speaker To Speaker...

  • Page 18: Electrical Adjustment Instructions

    ELECTRICAL ADJUSTMENT INSTRUCTIONS 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 19: White Balance Adjustment

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

  • Page 20: How To Initialize The Lcd Television

    HOW TO INITIALIZE THE LCD TELEVISION How to initialize the LCD television: 1. Turn the power on. 2. Enter the service mode. (Refer to page 5-1.) - To cancel the service mode, press [ ] button on the remote control unit. 3.

  • Page 21: Firmware Renewal Mode

    FIRMWARE RENEWAL MODE Equipment Required [Update procedure] 1. Turn the AC switch (on the lower left of the back of a. USB storage device the unit) off. b. Remote Control Unit 2. Insert USB storage device with F/W to TV set. 3.

  • Page 22: Troubleshooting

    TROUBLESHOOTING FLOW CHART NO.1 The power cannot be turned on. Check SW601 and their periphery circuit, and service Are the voltage of each pin of CN2602 and CN2603 it if defective. become as shown below? Or replace Power Supply CBA Unit. CN2603 3, 4PIN +24V...
  • Page 23 FLOW CHART NO.6 No operation is possible from the remote control unit. (Operation is possible from the unit.) Check AL+3.3V line and service it if defective. Replace RS2161 (remote control receiver) or remote control unit. Check the line between Pin(1) of RS2161 (remote control receiver) and Pin(2) of CN2104, and service it if defective.
  • Page 24 FLOW CHART NO.9 Audio is not outputted normally. (Tuner input) Check the line between Pin(17, 18) of CN2103 and Pin(10, 11) of TU2301, and TU2301(Tuner Unit), and Are the DIF signals outputted to Pin(17,18) of CN2103? service it if defective. Are the audio(L/R) signals outputted to Pin(9,10) of Replace Digital Main CBA Unit.

  • Page 25: Block Diagrams

    BLOCK DIAGRAMS System Control Block Diagram A13P1BLS...
  • Page 26 Video Block Diagram A13P1BLV...
  • Page 27 Audio Block Diagram A13P1BLA...
  • Page 28 Digital Signal Process Block Diagram A13P1BLD...
  • Page 29 Power Supply Block Diagram A13P1BLP...

  • Page 30: 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 31 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. 2. CAUTION: Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit. If Main Fuse (F100) is blown, first 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.
  • Page 32 Jack 1 Schematic Diagram VIDEO SIGNAL AUDIO SIGNAL JK2701 CONTINUE SCART JACK JACK CBA JACK 2 DIF-OUT1 R2102 DIF-OUT2 R2103 RF-AGC L2701 12uH TO DIGITAL MAIN CN2103 R2757 CONTINUE CBA UNIT CN3703 JACK 2 VIDEO-B P-ON+5V D2715 C2729 R2755 EDZTE615.6B AL+3.3V VIDEO-G C2708...
  • Page 33 Jack 2 Schematic Diagram VIDEO SIGNAL AUDIO SIGNAL CONTINUE JACK 1 P-ON+5V JACK CBA TU2301 TUNER UNIT AL+3.3V R2405 TO FRC CBA CN2601 UNIT CN5004 D2402 1 P-ON+3.3V R2401 5V6BSB-T26 D2401 2.7K C2603 2 GND 12.3 3 P-ON+12V Q2403 R2403 1 2 3 4 5 6 7 8 9 10 12.3...
  • Page 34 IR Sensor Schematic Diagram C2165 R2165 R2160 3.3K TO JACK CBA CN2162 CN2102 1 KEY-IN1 R2161 2 AL+3.3V 3 REMOTE RS2161 KSM-2002TN2M-FU 4 RED-LED (REMOTE SENSOR) R2167 C2164 5 P-ON+5V R2166 6 LIGHT 7 GND C2167 D2161 IC2161 LTL-1CHEE JSA-3113B STANDBY LIGHT-SENSOR C2162...
  • Page 35 Function Schematic Diagram TO IR SENSOR CBA CN2161 CN2150 KEY-IN1 R2156 R2154 R2153 R2152 R2151 R2150 1.8K 6.8K C2150 R2155 SW2155 SW2156 SW2154 SW2153 SW2152 SW2151 SW2150 POWER MENU SOURCE CH UP DOWN DOWN FUNCTION CBA UNLESS OTHERWISE SPECIFIED: SWITCHES ARE SKQSAB. 10-6 A13P1SCF...
  • Page 36 Power Supply Schematic Diagram CAUTION ! CAUTION ! NOTE: Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. For continued protection against fire hazard, The voltage for parts in hot circuit is measured using If Main Fuse (F100) is blown , check to see that all components in the power supply replace only with the same type fuse.
  • Page 37 Digital Main 1 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into seven and shown as IC3301 (1/7) ~ IC3301 (7/7) in this Digital Main Schematic Diagram Section. VIDEO SIGNAL DIGITAL MAIN CBA UNIT CONTINUE...
  • Page 38 Digital Main 2 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into seven and shown as IC3301 (1/7) ~ IC3301 (7/7) in this Digital Main Schematic Diagram Section. CONTINUE DIGITAL 5 P-ON+3.3V...
  • Page 39 Digital Main 3 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into seven and shown as IC3301 (1/7) ~ IC3301 (7/7) in this Digital Main Schematic Diagram Section. DIGITAL MAIN CBA UNIT CONTINUE DIGITAL 2...
  • Page 40 Digital Main 4 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into seven and shown as IC3301 (1/7) ~ IC3301 (7/7) in this Digital Main Schematic Diagram Section. VIDEO SIGNAL AUDIO SIGNAL CONTINUE...
  • Page 41 Digital Main 5 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into seven and shown as IC3301 (1/7) ~ IC3301 (7/7) in this Digital Main Schematic Diagram Section. VIDEO SIGNAL AUDIO SIGNAL CONTINUE...
  • Page 42 Digital Main 6 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into seven and shown as IC3301 (1/7) ~ IC3301 (7/7) in this Digital Main Schematic Diagram Section. VIDEO SIGNAL AUDIO SIGNAL CONTINUE...
  • Page 43 Digital Main 7 Schematic Diagram 1 NOTE: The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into seven and shown as IC3301 (1/7) ~ IC3301 (7/7) in this Digital Main Schematic Diagram Section. VIDEO SIGNAL AUDIO SIGNAL DIGITAL MAIN CBA UNIT...
  • Page 44 FRC 1 Schematic Diagram 2 NOTE: The order of pins shown in this diagram is different from that of actual IC5001. IC5001 is divided into three and shown as IC5001 (1/3) ~ IC5001 (3/3) in this FRC Schematic Diagram Section. VIDEO SIGNAL TO LCD MODULE CN5002...
  • Page 45 FRC 2 Schematic Diagram 2 NOTE: The order of pins shown in this diagram is different from that of actual IC5001. IC5001 is divided into three and shown as IC5001 (1/3) ~ IC5001 (3/3) in this FRC Schematic Diagram Section. CONTINUE FRC 1 LVDS-SEL...
  • Page 46 FRC 3 Schematic Diagram 2 NOTE: The order of pins shown in this diagram is different from that of actual IC5001. IC5001 is divided into three and shown as IC5001 (1/3) ~ IC5001 (3/3) in this FRC Schematic Diagram Section. FRC CBA UNIT C5147 C5148...
  • Page 47 Jack CBA, IR Sensor CBA & Function CBA Top View Function CBA Jack CBA CN2801 J2014 CN2602 CN2601 CN2603 J2015 J2026 AMP+24V R2602 C2629 D2601 J2034 C2648 BC2602 D2150 C2637 C2612 D2610 R2613 R2619 R2155 R2627 J2009 R2828 R2156 J2021 ALL+3.3V JK2707 C2633...
  • Page 48 Jack CBA, IR Sensor CBA & Function CBA Bottom View Function CBA Jack CBA J2014 CN2801 CN2602 CN2603 CN2601 C2649 J2015 L2604 C2605 J2026 C2601 L2606 C2606 C2624 AMP+24V C2650 R2602 C2609 C2629 D2601 J2034 L2609 L2608 C2608 C2648 R2601 BC2602 C2831 C2150...
  • Page 49 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 circuit, a variable isolation transformer is required.
  • Page 50 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, when troubleshooting this type of power supply circuit, a variable isolation transformer is required.

  • Page 51: Waveforms

    WAVEFORMS WF1 ~ WF7 = Waveforms to be observed at Waveform check points. (Shown in Schematic Diagram.) Input: PAL Color Bar Signal (with 1kHz Audio Signal) Pin 18 of CN2104 Pin 24 of CN2104 (VIDEO IN) AUDIO(L) AUDIO(L) 0.5V 0.5V 0.5m 0.5ms VIDEO...

  • Page 52: Wiring Diagram

    WIRING DIAGRAMS CL5003 LVDS-TXA-E4(+) LVDS-TXA-E4(-) LVDS-TXA-E3(+) LVDS-TXA-E3(-) LVDS-TXA-ECLK(+) LVDS-TXA-ECLK(-) LVDS-TXA-E2(+) LVDS-TXA-E2(-) LVDS-TXA-E1(+) LVDS-TXA-E1(-) LVDS-TXA-E0(+) LVDS-TXA-E0(-) LVDS-TXA-O4(+) LVDS-TXA-O4(-) LVDS-TXA-O3(+) LVDS-TXA-O3(-) LVDS-TXA-OCLK(+) LVDS-TXA-OCLK(-) LVDS-TXA-O2(+) LVDS-TXA-O2(-) LVDS-TXA-O1(+) LVDS-TXA-O1(-) LVDS-TXA-O0(+) LVDS-TXA-O0(-) LCD+12V LCD+12V LCD+12V LCD+12V LCD+12V A13P1WI 12-1...

  • Page 53: Exploded View

    EXPLODED VIEWS Cabinet See Electrical Parts List for parts with this mark. Digital Main CBA Unit LCD1 Thermostar CL5003 CL5002 CL2103 CL2105 CL2104 Function CBA Thermostar CL3901 Jack CBA CL2802 CL2601 Speaker FRC CBA Unit IR Sensor CBA CL601 CL2801 SW601 Speaker CL602...
  • Page 54 Packing Some Ref. Numbers are not in sequence. X2-1 AC601 X2-2 Tape Tape Packing Tape Packing Tape 13-2 A13P0PEX...

  • Page 55: Mechanical Parts List

    MECHANICAL PARTS LIST 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 A12! RATING LABEL A13P1EP ---------- carefully the product safety notice in this service 40W STAND ASSEMBLY A13P1EP 1EM027347 manual.

  • Page 56: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. ! have special characteristics important to safety. C2302 ELECTROLYTIC CAP . 220µF/6.3V M H7 or CE0KMAVSL221 Before replacing any of these components, read CAP ELE 220µF/6.3V/M/85 H7 CEA221KSN003 carefully the product safety notice in this service C2303...
  • Page 57 Ref. No. Description Part No. Ref. No. Description Part No. C2635 CHIP CERAMIC CAP .(1608) F Z 0.1µF/50V or CHD1JZ30F104 CAP CHIP 1608 J/C0G/33pF/50V CHD330EYA030 CAP CHIP 1608 Z/Y5V/0.1µF/50V CHD104EYA036 C2730 CHIP CERAMIC CAP .(1608) B K 0.047µF/50V or CHD1JK30B473 C2637 ELECTROLYTIC CAP .
  • Page 58 Ref. No. Description Part No. Ref. No. Description Part No. C2832 CHIP CERAMIC CAP .(1608) B K 0.01µF/50V or CHD1JK30B103 DIODE ZENER SMD 015AZ5.6 Y or QD1Y015AZ5R6 CAP CHIP 1608 K/X7R/0.01µF/50V CHD103EYA032 ZENER DIODE MM5Z5V6B or ND1BMM5Z5V6B C2833 CAP ELE KR1 220µF/35V/M/85 H9.0 or CEM221KSN014 DIODE ZENER SMD RKZ5.6B2KJR1 QD1B00RKZ5R6...
  • Page 59 Ref. No. Description Part No. Ref. No. Description Part No. D2803 DIODE ZENER HZS30NB2TE-EQ QDTBHZS30NB2 CHIP TRANSISTOR KTA1504S-GR-RTK/P or NQ14KTA1504S PNP TRANSISTOR SMD 2SA1980SFY or NQ1Y2SA1980S PNP TRANSISTOR SMD 2SA1980SFG NQ1G2SA1980S IC2602 IC DC-DC CONVERTER BD9329EFJ-E2 QSCA0T0RM201 RESISTORS IC2603 IC DC-DC CONVERTER BD9329EFJ-E2 QSCA0T0RM201 RES CHIP 1608 1/10W F 4.70k Ω...
  • Page 60 Ref. No. Description Part No. Ref. No. Description Part No. RES CHIP 1608 1/10W J 33k Ω or RES CHIP 1608 1/10W J 15k Ω or RRXA333YF002 R2637 RRXA153HH013 RES CHIP 1608 1/10W J 33k Ω or RES CHIP 1608 1/10W J 15k Ω or RRJ333RYL002 RRXA153YF002 RES CHIP 1608 1/10W J 33k Ω...
  • Page 61 Ref. No. Description Part No. Ref. No. Description Part No. RES CHIP 1608 1/10W 0 Ω RES CHIP 1608 1/10W J 47k Ω or RRJ000WAL002 RRJ473RYL002 RES CHIP 1608 1/10W J 100 Ω or RES CHIP 1608 1/10W J 47k Ω R2724 RRXA101HH013 RRJ473WAL002...
  • Page 62 IR SENSOR CBA Ref. No. Description Part No. JACK RCA PCB S(BLUE) 01 MTJ-032-04B-74 JXRJ010LY033 Ref. No. Description Part No. FE or IR SENSOR CBA ---------- JACK RCA PCB S BLUE 01 / RCA-101HF(BL) JXRJ01YUQ010 Consists of the following: JK2706 JACK SW RCA PCB S RED RCA-102H(RD) or JYRJ010YUQ03 CAPACITORS...
  • Page 63 LED40-H9825M A13P1EP 2011-08-30 Ver.1...

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