LG 30FZ4D Service Manual
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LG 30FZ4D Service Manual

LG 30FZ4D Service Manual

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COLOR TV

SERVICE MANUAL

CHASSIS : AC-02SC
MODEL : 30FZ4D
MODEL :
32FZ4D-UA
CAUTION
BEFORE SERVICING THE CHASSIS,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
CANADA : http//biz.lgservice.com
USA
: http//www.lgservice.com
: http//lgservice.com/techsup.html
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Summary of Contents for LG 30FZ4D

  • Page 1: Service Manual

    CANADA : http//biz.lgservice.com : http//www.lgservice.com : http//lgservice.com/techsup.html COLOR TV SERVICE MANUAL CHASSIS : AC-02SC MODEL : 30FZ4D MODEL : 32FZ4D-UA CAUTION BEFORE SERVICING THE CHASSIS, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Safety Precautions

    If the meter indication is out of tolerance, immediate service and correction is required to prevent the possibility of premature component failure. CANADA: LG Electronics Canada, Inc. 550 Matheson Boulevard East Mississauga, Ontario L4Z 4G3 Before returning the receiver to the customer, : LG Customer Interactive Center P.O.Box 240007, 201 James Record Road Huntsville,...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS DESCRIPTION OF CONTROLS ...........4 SPECIFICATIONS..............9 ADJUSTMENT INSTRUCTION...........10 BLOCK DIAGRAM...............16 EXPLODED VIEW...............20 EXPLODED VIEW PARTS LIST .........21 REPLACEMENT PARTS LIST ..........22 SCHEMATIC DIAGRAM............PRINTED CIRCUIT BOARDS ..........- 3 -...

  • Page 4: Description Of Controls

    DESCRIPTION OF CONTROLS Front Panel Controls ON/OFF Index Remote control sensor Standby indicator (Illuminates brightly when the TV is in standby mode. Dims when the TV is switched on.) TV/VIDEO MENU VOL left/ right Volume( ) button increases the sound level and vol- ume( ) button decreases the sound level.
  • Page 5 DESCRIPTION OF CONTROLS Rear Connections Panel Connecting external equipment to your TV. RF Connectors: Cable, Antenna Used to connect cable or antenna signals to the televi- sion, either directly CALIBRATION Digital Audio or through your CABL ANT NNA Output Optical cable box.

  • Page 6: Menu

    DESCRIPTION OF CONTROLS Side Connections Panel There are four jacks on the lower-right front side of your TV that make connecting Audio/Video devices like video games and camcorders very simple. The jacks are like those found on the back jack connection panel. This means that most equipment that connects to those types of jacks on the rear jackpack, may be connected to the Side connection panel (FRONT VIDEO).
  • Page 7 DESCRIPTION OF CONTROLS Remote Control Functions in TV Mode MODE Selects the remote operating MODE INDICATOR mode: TV, VCR, Cable, DVD or LIGHTS Satellite. Select other operating Show active remote mode modes, for the remote to oper- every time any button is ate external devices.
  • Page 8 DESCRIPTION OF CONTROLS Remote Control Functions in TV Mode VCR CABLE DVD SAT MODE INDEX POWER COMP2 POWER Selects the Component 2 input Turns your TV or any other source. TV/VIDEO TV INPUT COMP1 programmed equipment on or off, depending on mode. FRONT COMP2 HDMI...

  • Page 9: Specifications

    SPECIFICATIONS Product Specifications Model 32FZ4D-UA Horizontal Size (inches) 37.17 Height (inches) 21.77 Thickness (inches) 23.66 Weight (pounds) 125.7 Power requirement AC 120V~ 60Hz Television system American TV Standard, NTSC, ATSC with STB Television Channel VHF: 2 - 13 UHF: 14 - 69 CATV: 1 - 135 CADTV: 1 - 135 Power consumption (W)

  • Page 10: Adjustment Instruction

    ADJUSTMENT INSTRUCTIONS 1. Application Object 4-2. Adjustment (1) Select EZ Adjust 3. CUT-OFF, by pressing the ADJ key on These instructions are applied to the AC-02SA/C chassis. the SVC Remote control. When it enters to adjustment mode, the pattern from a signal generator is being selected, it becomes with Normal 2.

  • Page 11: Adjustment Instructions

    ADJUSTMENT INSTRUCTIONS 5-4. Raster H-center(H.CENTER) Adjustment 7. White Balance Adjustment Select 77. H Postion in the adjustment mode and adjust until Perform the screen adjustment first. left and right screen are symmetrically equal. Color Temp must be adjusted from Medium Mode. (The image condition must be adjusted from Normal condition) 5-5.
  • Page 12 ADJUSTMENT INSTRUCTIONS (1) Select EZ Adjust 5. Sub Bright pressing ADJ key on the SVC Remote control. (2) Adjust to the point where “2” is not visible. 8-2. Sub COLOR, TINT Adjustment WHITE YELLOW CYAN GREENMAGENTA BLUE (1) Select EZ Adjust 6. Sub Tint, Color pressing ADJ key on the SVC Remote control.
  • Page 13 PURITY & CONVERGENCE ADJUSTMENT Caution: 5. Reconnect the internal degaussing coil. Convergence and Purity have been factory aligned. Do not 6. Position the beam bender locking rings at the 9 o'clock attempt to tamper with these alignments. position and the other three pairs of tabs (2,4 and 6 pole However, the effects of adjacent receiver components, or magnets) at the 12 o'clock position.
  • Page 14 PURITY & CONVERGENCE ADJUSTMENT 1.ADJUST YOKE Z-AXIS FIRST 2 .ADJUST BEAM BENDER 2 POLE TO GET EQUAL BLUE MAGNET TO GET FOUR EQUAL COLOR CIRCLES COLOR CIRCLES MAGNETS 8. Referring to above, perform the following two steps: 5. Restore the screen by removing the horizontal line. a.
  • Page 15 PURITY & CONVERGENCE ADJUSTMENT ROTATION DIRECTION RING MOVEMENT OF RED OF BOTH TABS PAIRS AND BLUE BEAMS OPPOSITE POLE SAME OPPOSITE POLE SAME UP/DOWN ROCKING OF THE YOKE CAUSES LEFT/RIGHT ROCKING OF THE YOKE UP/DOWN ROCKING OF THE YOKE LEET/RIGHT ROCKING OF THE YOKE OPPOSITE ROTATION OF RED AND BLUE CAUSES OPPOSITE SIZE CHANGE OF CAUSES OPPOSITE ROTATION OF RED...

  • Page 16: Block Diagram

    BLOCK DIAGRAM - 16 -...
  • Page 17 BLOCK DIAGRAM - 17 -...
  • Page 18 BLOCK DIAGRAM - 18 -...
  • Page 19 NOTES - 19 -...

  • Page 20: Exploded View

    EXPLODED VIEW - 20 -...

  • Page 21: Exploded View Parts List

    6871VSM697A PCB ASSEMBLY,SUB PSW AC02SC DU-32FZ40 6871VSMW98A PCB ASSEMBLY,SUB CTL AC02SA CTL+INDEX DN-32FZ40H 6871VSMV60B PCB ASSEMBLY,SUB A/V AC02SA SIDE A/V DN-32FZ33H 0IGL120104K IC,DRAWING HSF-8007 LG INNOTEK DIP 3PIN HYBRID BULK CDS SENSOR 1PTF0403116 SCREW TAP TITE(P),TRUSS HEAD - 21 -...

  • Page 22: Replacement Parts List

    0ISK100300A D808 SLA1003 SIP12 LF816 IC602 0IMCRMN027E MSP4440G QA B8 80P MULTI SOUND IC100 0IMCRSS016A S3C44BOX01-EDRO LQFP-160 TRAY CPU IC607 0ICTMLG019A LGDT3303 LG IC 100P IC101 0IMMRAL016D AT49BV160-70TI 48P IC610 0IMMRCS012B CAT24WC08W-T(MST3000) 8P IC101 0ISH323422A PQ3RF23 4P(TO-220) 3.3V IC802 0ILI817000G...
  • Page 23 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION Q1605 0TR387500AA CHIP 2SC3875S(ALY) KEC Q803 0TR322709AA KTC3227-Y,TP(KTC1627A),KEC Q1606 0TR387500AA CHIP 2SC3875S(ALY) KEC Q804 0TR102009AB KRC102M(KRC1202) Q1607 0TR387500AA CHIP 2SC3875S(ALY) KEC Q901 0TR319809AA KTC3198(KTC1815) TO92 50V 150MA Q1608 0TR387500AA CHIP 2SC3875S(ALY) KEC...
  • Page 24 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION D805 0DD414809ED 1N4148 TP GRANDE C120 0CK104DK56A 0.1UF 2012 50V 10% D813 0DD100009AM EU1ZV(1) TP SANKEN C1201 0CE106SF6DC 10UF MVG 16V 20% D816 0DD120000BB FML-G12S C1201 0CE476DF618 47UF STD 16V 20% D817 0DD100009AM...
  • Page 25 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C1431 0CE106DK618 10UF STD 50V 20% C1650 0CK104DK56A 0.1UF 2012 50V 10% C1432 0CE226CR618 22UF SHL,SD 250V 20% C1651 0CE105CK636 1UF SHL,SD 50V 20% C1434 181-091W R 470PF 2KV 10%,-10% R/TP TP7.5 C1652 0CE105CK636 1UF SHL,SD 50V 20%...
  • Page 26 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C2611 0CE106SF6DC 10UF MVG 16V 20% C513 0CK104DK56A 0.1UF 2012 50V 10% C2612 0CE106SF6DC 10UF MVG 16V 20% C514 0CK104DK56A 0.1UF 2012 50V 10% C2613 0CE106SF6DC 10UF MVG 16V 20% C515 0CK104DK56A 0.1UF 2012 50V 10%...
  • Page 27 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION C808 0CE227DP61A 220UF STD 160V 20% C972 0CE106DR618 10UF STD 250V M C809 0CE337DD618 330UF STD 10V 20% C973 0CE106DK618 10UF STD 50V 20% C810 181-091P SL 270PF 1KV 10%,-10% C974 0CE106DK618 10UF STD 50V 20%...
  • Page 28 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION P901 387-J12J CONNECTOR ASSY,12P SHIELD(500) R1418 0RF0561K607 5.6 OHM 2 W 5.00% P905 387-A10G CONNECTOR ASSEMBLY,10P 2.5MM 400MM R1419 0RS1802K607 18K OHM 2 W 5.00% R1420 0RS1602K607 16K OHM 2 W 5.00% RESISTOR R1421...
  • Page 29 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION R1967 0RD2702F609 27K OHM 1/6 W 5.00% R867 0RP0050H709 0.05 OHM 1/2 W 10% R1971 0RC0512H609 51 OHM 1/2 W 5.00% R904 0RD2202F609 22K OHM 1/6 W 5% R1972 0RC2200H609 220 OHM 1/2 W 5.00%...
  • Page 30 REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION LOCA. NO PART NO DESCRIPTION B601 0LCML00002A FILTER,EMC MLB-321611-0120A-N1 6710V00102U REMOTE CONTROLLER,AC02SC B602 0LCML00002A FILTER,EMC MLB-321611-0120A-N1 B603 0LCML00002A FILTER,EMC MLB-321611-0120A-N1 B604 0LCML00002A FILTER,EMC MLB-321611-0120A-N1 B605 0LCML00002A FILTER,EMC MLB-321611-0120A-N1 B606 0LCML00002A FILTER,EMC MLB-321611-0120A-N1 B612 0LCML00002A FILTER,EMC MLB-321611-0120A-N1...
  • Page 31 Feb., 2005 P/NO : 3828VD0156J Printed in Korea CANADA: LG Electronics Canada, Inc. 550 Matheson Boulevard East Mississauga, Ontario L4Z 4G3 : LG Electronics Alabama Inc. P.O.Box 240007, 201 James Record Road, Bldg. 3, Huntsville, AL 35824...
  • Page 35 MAIN(TOP) MAIN2 DIGITAL(TOP) DIGITAL(BOTTOM) CONTROL MAIN(BOTTOM) LINE FILTER POWER SIDE A/V...

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