FUNAI 32FL553P/10 Service Manual

32˝ color lcd television

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SERVICE MANUAL

– EXTERNAL VOLUME –

This Service Manual is for the 32FL553P/10 (A33F1EP) and 32FL553/10

(A33F0EP) models.

For the 32FL553P/10 (A33F1EP) and 32FL553/10 (A33F0EP) models, the

letter (A33F1EP or A33F0EP) is printed on the Serial Number Label on the

back of the unit. Refer to the Serial Number Label below.

Serial No. Label

MANUFACTURED : APRIL 2013 P P10210001 ‒ A33F0EP ※

MANUFACTURED : APRIL 2013 P P10210001 ‒ A33F1EP ※

"A33F1EP"

"A33F0EP"

32˝ COLOR LCD TELEVISION

32FL553P/10 32FL553/10

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Summary of Contents for FUNAI 32FL553P/10

Page 1 SERVICE MANUAL – EXTERNAL VOLUME – This Service Manual is for the 32FL553P/10 (A33F1EP) and 32FL553/10 (A33F0EP) models. For the 32FL553P/10 (A33F1EP) and 32FL553/10 (A33F0EP) models, the letter (A33F1EP or A33F0EP) is printed on the Serial Number Label on the back of the unit.
Page 2 32˝ COLOR LCD TELEVISION 32FL553P/10 32FL553/10 TABLE OF CONTENTS Specifications ................1-1 Important Safety Precautions.
Page 3 SPECIFICATIONS < TUNER > VHS/UHF Input ----------- 75 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 8  load at speaker output terminal. Description Condition Unit Nominal Limit 2V rms input Lch/Rch 1. Audio Output Power Vol:MAX 2. Audio Distortion 500mW: Lch/Rch 1.5/1.5 3.0/3.0 -6dB: Lch 3. Audio Freq. Response -6dB: Rch ≧...
Page 5 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 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 2. Installation Instructions for Handling Semi- conductors 1. Using desoldering braid, remove the solder from 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 1. Disassembly Flowchart Note: (1) Order of steps in procedure. When reassembling, This flowchart indicates the disassembly steps for the follow the steps in reverse order. These numbers cabinet parts and the CBA in order to gain access to are also used as the Identification (location) No.
Page 13 [2] Rear Cover (S-3) (S-2) (S-4) (S-2) [1] Stand Assembly (S-1) Fig. D1 A33M1_M0DC...
Page 14 Jack Holder [4] Digital Main CBA Unit (S-6) [3] Power Supply CBA (S-5) Fig. D2 [6] LCD Panel Assembly [5] Speaker Fig. D3 A33M1_M0DC...
Page 15 [8] Front Cabinet [7] X-PCB Hook Hook Cover (S-7) Hook Hook Shield Plate Sensor Lens Hook Control Plate [9] Function CBA Unit (S-8) Fig. D4 : Make sure to read all the precautions on page 4-1 when you disassemble/re-assemble the X-PCB Cover.
Page 16 TV Cable Wiring Diagram To LCD Panel To LCD Panel Assembly Assembly Digital Main CBA Unit Power Supply CBA CN12 CN105 CN104 CN103 CN102 CN17 CN101 CN18 To AC Cord Function CBA Unit To Speaker Fig. D5 A33M1_M0DC...
Page 17 ELECTRICAL ADJUSTMENT INSTRUCTIONS General Note: “CBA” is abbreviation for How to set up the service mode: “Circuit Board Assembly.” Service mode: Note: Electrical adjustments are required after 1. Turn the power on. replacing circuit components and certain mechanical parts. It is important to perform 2.
Page 18 The White Balance Adjustment should be performed when replacing the LCD Panel or Digital Main CBA. 1. White Balance Adjustment Purpose: To mix red and blue beams correctly for pure white. Symptom of Misadjustment: White becomes bluish or reddish. 1. Operate the unit for more than 60 minutes. 2.
Page 19 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 [BACK] button on the remote control unit. 3. Select “Factory Reset” and [OK] button on the remote control unit.
Page 20 FIRMWARE RENEWAL MODE Equipment Required a. USB storage device b. Remote Control Unit Firmware Update Procedure [Preparation] 1. Prepare USB storage device. 2. Copy F/W-file to USB storage device. Note: Make sure to use the blank USB Storage. 3. Make sure that the F/W-file’s name is “LC11_308B_FUNAI.bin”.
Page 21 TROUBLESHOOTING [Power Supply Section] FLOW CHART NO.1 The power cannot be turned on. Is the fuse (F602) 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, Q603, IC602,T601) Is the VLED(+21V) line voltage normal?
Page 22 FLOW CHART NO.5 VLED(+21V) is not output. Check D501, D502, D504,C502, C503, C504 and their periphery circuit. Repair it if defective. FLOW CHART NO.6 AMP+13V is not output. FLOW CHART NO.7 +5V(PANEL+5V) is not output. See FLOW CHART NO.5 <VLED(+21V) is not output. [Power Supply Section]>...
Page 23 [Video Signal Section] FLOW CHART NO.1 The key operation is not functioning. Replace Function CBA Unit. Replace Digital Main CBA Unit. FLOW CHART NO.2 No operation is possible from the remote control unit. (Operation is possible from the unit.) See FLOW CHART NO.8 <STB+5V is not output. [Power Supply Section]>...
Page 24 [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.9 <+12V is not output. [Power Supply Section]> Replace Digital Main CBA Unit. A33M1_M0 TR...
Page 25 BLOCK DIAGRAMS System Control Block Diagram A33M1_M0BLS...
Page 26 Video Block Diagram A33M1_M0BLV...
Page 27 Audio Block Diagram A33M1_M0BLA...
Page 28 Digital Signal Process Block Diagram A33M1_M0BLD...
Page 29 LED Backlight Drive Block Diagram A33M1_M0BLLD...
Page 30 Power Supply Block Diagram A33M1_M0BLP...
Page 31 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 32 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 (F602) 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 33 Power Supply CBA Schematic Diagram CAUTION ! CAUTION ! NOTE: For continued protection against fire hazard, Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. The voltage for parts in hot circuit is measured using If Main Fuse (F602) is blown , check to see that all components in the power supply hot GND as a common terminal.
Page 34 Power Supply CBA Top View Because a hot chassis ground is present in the power supply CAUTION ! CAUTION ! circuit, an isolation transformer must be used when repairing. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. For continued protection against fire hazard, Also, in order to have the ability to increase the input slowly, If Main Fuse (F602) is blown , check to see that all components in the power supply...
Page 35 Power Supply CBA Bottom View Because a hot chassis ground is present in the power supply CAUTION ! CAUTION ! circuit, an isolation transformer must be used when repairing. Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. For continued protection against fire hazard, Also, in order to have the ability to increase the input slowly, If Main Fuse (F602) is blown , check to see that all components in the power supply...
Page 36 WIRING DIAGRAMS 11-1 A33M1_M0WI...
Page 37 EXPLODED VIEWS Cabinet LCD1 CL12 Digital Main CBA Unit CL17 Function CBA Unit SP3801 CL18 SP3802 Power Supply CBA AC601 See Electrical Parts List for parts with this mark. SSK1 12-1 A33M1_M0CEX...
Page 38 Packing Some Ref. Numbers are SSK1 not in sequence. Tape Tape Packing Tape Packing Tape Packing Tape 12-2 A33F1_F0PEX...
Page 39 CL12 LVDS WIRE 32W CFL2627001 WX1A33F1C106 SCREW P-TIGHT 3X10 BIND HEAD+ GBHP3100 Model Mark LCD MODULE 32INCH ---------- 32FL553/10 32FL553P/10 Ref. No. Mark Description Part No. REMOTE CONTROL UNIT NH217RD NH217RD Ref. No. Mark Description Part No. REAR COVER A33M1EP...
Page 40 ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. ! have special characteristics important to safety. C1005 ELECTROLYTIC CAP SK100M470YZZP50R CE2AMASTH470 Before replacing any of these components, read C1006 ELECTROLYTIC CAP SK100M470YZZP50R CE2AMASTH470 carefully the product safety notice in this service C1007 CHIP CERAMIC CAP .(3216) X7R K 1.0µF/100V CA2A105MR080 manual.
Page 41 Ref. No. Description Part No. Ref. No. Description Part No. RES CHIP 1608 1/10W F 2.70k  TRANSISTORS R704 RTW2701HH008 RES CHIP 1608 1/10W J 10k  R705 RRXA103HH013 Q301 CHIP TRANSISTOR KTC3875S-Y-RTK/P NQ1YKTC3875S RES CHIP 1608 1/10W 0  R706 RRXA000HH014 Q403...
Page 42 32FL553P/10 32FL553/10 A33F1EP / A33F0EP 2013-04-05 Ver.1...

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32fl553/10