JVC LT-19D200 Service Manual

Lcd television built-in dvd player
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SERVICE MANUAL
LCD TELEVISION BUILT-IN DVD PLAYER
7 S ERVICE MANUAL
YA711<Rev.002>
2009
There may be multiple versions of
this TV model.
The TV version is identified by the
letters next to the model number
on the TV's Rating.
(See illustration).
Use the service manual that
matches the version of the TV.
COPYRIGHT © 2009 Victor Company of Japan, Limited
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
LT-19D200
MODEL NAME
LT-19D200

TABLE OF CONTENTS

COPYRIGHT © 2009 Victor Company of Japan, Limited
/AK
MODEL NO.
RATING LABEL (REAR)
HIGH DEFINITION TELEVISION
VERSION
AK
No.YA711<Rev.002>
2009/8

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Table of Contents
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Summary of Contents for JVC LT-19D200

  • Page 1: Table Of Contents

    SERVICE MANUAL LCD TELEVISION BUILT-IN DVD PLAYER YA711<Rev.002> 2009 7 S ERVICE MANUAL LT-19D200 HIGH DEFINITION TELEVISION There may be multiple versions of VERSION this TV model. MODEL NO. The TV version is identified by the letters next to the model number MODEL NAME on the TV's Rating.
  • Page 2 SPECIFICATION Items Contents Dimensions ( W × H × D ) 47.75 cm × 36.58 cm × 21.0 cm (18.8" × 14.5" × 8.3") [with stand] 47.75 cm × 33.04 cm × 13.47 cm (18.8" × 13.1" × 5.4") [without stand] Mass 4.5 kg (10.0 lbs) [with stand] 4.1 kg (9.1 lbs) [without stand]...
  • Page 3: Precaution

    SECTION 1 PRECAUTION SAFETY PRECAUTIONS (1) The design of this product contains special hardware, (6) Isolation Check (Safety for Electrical Shock Hazard) many circuits and components specially for safety After re-assembling the product, always perform an purposes. For continued protection, no changes should be isolation check on the exposed metal parts of the cabinet made to the original design unless authorized in writing by (antenna terminals, video/audio input and output terminals,...
  • Page 4 LASER BEAM SAFETY PRECAUTIONS This DVD player uses a pickup that emits a laser beam. Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin. The laser beam is emitted from the location shown in the figure. When checking the laser diode, be sure to keep your eyes at least 30 cm away from the pickup lens when the diode is turned on.
  • Page 5: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS STANDARD NOTES FOR SERVICING 2.1.4 HOW TO REMOVE / INSTALL FLAT PACK-IC 2.1.1 CIRCUIT BOARD INDICATIONS 2.1.4.1 REMOVAL (1) The output pin of the 3 pin Regulator ICs is indicated as WITH HOT-AIR FLAT PACK-IC DESOLDERING MACHINE: shown.
  • Page 6 WITH SOLDERING IRON: WITH IRON WIRE: (1) Using desoldering braid, remove the solder from all pins (1) Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder flux which is of the flat pack-IC. When you use solder flux which is applied to all pins of the flat pack-IC, you can remove it applied to all pins of the flat pack-IC, you can remove it easily.
  • Page 7 2.1.4.2 INSTALLATION 2.1.5 INSTRUCTIONS HANDLING SEMI- (1) Using desoldering braid, remove the solder from the foil of CONDUCTORS each pin of the flat pack-IC on the PWB so you can install Electrostatic breakdown of the semi-conductors may occur due a replacement flat pack-IC more easily. to a potential difference caused by electrostatic charge during (2) The mark on the flat pack-IC indicates pin 1.
  • Page 8: Disassembly

    SECTION 3 DISASSEMBLY DISASSEMBLY FLOWCHART Removal This flowchart indicates the disassembly steps for the cabinet Step/ parts, and the PWB in order to gain access to item(s) to be ser- Remove/*Unhook/ Loc. Part viced. When reassembling, follow the steps in reverse order. Fig.
  • Page 9 NOTE; (5) How to eject manually 1 (1) Order of steps in procedure. When reassembling, follow a) Remove the Rear Cabinet. the steps in reverse order. These numbers are also used b) Rotate the gear in the direction of the arrow as as the Identification (location) No.
  • Page 10 (S-2) [2] Rear Cabinet (S-4) (S-2) (S-3) (S-2) [1] Stand Assembly (S-1) Fig. D1 1-10 (No.YA711<Rev.002>)
  • Page 11 (S-5) (S-7) (S-6) [3] DVD Holder [5] DVD Main PWB unit (S-6) [4] DVD Mechanism Remove two screws A, then short the three short lands by soldering as shown in View for A. Chassis Cover Screws A Pin A Either of two places View for A FPC Cable Hole A...
  • Page 12 [7] Digital Main PWB Unit (S-11) [6] Jack Holder(D) (S-8) (S-9) Shield Box (S-10) (H-1) (S-9) (S-12) [8] Jack Holder(A) (S-13) [9] Jack PWB (S-14) (S-14) [10] Main PWB Fig. D3 1-12 (No.YA711<Rev.002>)
  • Page 13 [19] Front Cabinet [17] Junction-A [15] Junction-C [14] Speaker (S-17) [13] Speaker Holder (S-18) [18] Function CBA [14] Speaker (S-17) [16] Junction -B CBA [12] LCD Module [13] Speaker Assembly (S-15) Holder [11] Stand Holder (S-16) Fig. D4 (No.YA711<Rev.002>)1-13...
  • Page 14: Adjustment

    SECTION 4 ADJUSTMENT GENERAL NOTE: "PWB" IS ABBREVIATION FOR PURITY CHECK MODE "CIRCUIT BOARD ASSEMBLY." This mode cycles through full-screen displays of red, green, blue, NOTE: and white to check for non-active pixels. Electrical adjustments are required after replacing circuit com- (1) Enter the Service mode.
  • Page 15 VCOM ADJUSTMENT WHITE BALANCE ADJUSTMENT The white balance adjustment should be performed when Test Point Adj. Point replacing the LCD Panel or Digital PWB. Purpose: To mix red, green and blue beams correctly for pure [CHANNEL UP/DOWN ] white. Screen buttons Symptom of Misadjustment: White becomes bluish or reddish.
  • Page 16 HOW TO INITIALIZE THE LCD TV/DVD 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/DVD using the following procedure.
  • Page 17 FIRMWARE RENEWAL MODE At this time, no button is available. (6) Remove the disc. 4.9.1 DVD SECTION (7) Unplug the AC cord from the AC outlet. Then plug it again. (1) Turn the power on and press [EJECT] button on the remote (8) Press [EJECT] button on the remote control unit to put the control unit to put the LCD TV/DVD into DVD mode.
  • Page 18 4.9.2 LCD TV SECTION The appearance shown in *1 is described as follows. 4.9.2.1 EQUIPMENT REQUIRED Appearance State a. USB memory Downloading... Downloading the firmware from the USB b. Remote Control Unit memory. 4.9.2.2 FIRMWARE UPDATE PROCEDURE Writing... Writing the downloaded firmware in flash NOTE: memory.
  • Page 19: Troubleshooting

    SECTION 5 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-circuiting on the primary circuit component, and service it if defective.
  • Page 20 FLOW CHART NO.6 PANEL+24.5V is not output. FLOW CHART NO.7 PANEL+13V is not output. FLOW CHART NO.8 P-ON+7V is not output. FLOW CHART NO.9 P-ON+5V is not output. (PANEL+13V is outputted normally.) Replace Q635 and Q636. 1-20 (No.YA711<Rev.002>)
  • Page 21 FLOW CHART NO.10 TUNER+5V is not output. (PANEL+13V is outputted normally.) Replace Q637. FLOW CHART NO.11 P-ON+3V is not output. FLOW CHART NO.12 P-ON+3.3V(PANEL+3.3V) is not output. FLOW CHART NO.13 EV+3.3V is not output. (No.YA711<Rev.002>)1-21...
  • Page 22 FLOW CHART NO.14 DVD-ON+3.3V is not output. FLOW CHART NO.15 EV+9V is not output. (PANEL+13V is outputted normally.) FLOW CHART NO.16 EV+1.2V is not output. Replace IC901. FLOW CHART NO.17 P-ON+9V is not output. (PANEL+13V is outputted normally.) Replace Q641. 1-22 (No.YA711<Rev.002>)
  • Page 23 FLOW CHART NO.18 AL+3.3V is not output. FLOW CHART NO.19 LCD-7.1V is not output. Replace Q206. (No.YA711<Rev.002>)1-23...
  • Page 24 [ Video Signal Section ] FLOW CHART NO.1 The key operation is not functioning. Re-install the switches (SW104~SW109, SW951~SW953) correctly or replace the poor switch. Check the switches (SW104~SW109, SW951~SW953) and their periphery, and service it if defective. Replace Digital Main PWB Unit. FLOW CHART NO.2 No operation is possible from the remote control unit.
  • Page 25 FLOW CHART NO.4 Picture does not appear normally.(Tuner input) FLOW CHART NO.5 Picture does not appear normally.(S-Video input) Pin(6): S-VIDEO-C Pin(8): S-VIDEO-Y FLOW CHART NO.6 Picture does not appear normally.(Y/Pb/Pr input) Pin(15): VIDEO-Y Pin(17): VIDEO-Pb Pin(19): VIDEO-Pr FLOW CHART NO.7 Picture does not appear normally.(DVD PB) Pin(9) : DVD-Y...
  • Page 26 [ Audio Signal Section ] FLOW CHART NO.1 Audio is not outputted normally.(Audio input) Check the line between Pin(2, 15) of IC771 and input terminal(JK753, JK754), and service it if defective. Check SP861,SP862 and their periphery circuit, and service it if defective. FLOW CHART NO.2 Audio is not outputted normally.(Component Audio input) Check the line between Pin(4, 11) of IC771 and input...
  • Page 27 FLOW CHART NO.3 Audio is not outputted normally.(Tuner input) Check TU302 and their periphery circuit, and service it if defective. Check SP861,SP862 and their periphery circuit, and service it if defective. FLOW CHART NO.4 Audio is not outputted normally.(HDMI Audio input) Check the line between Pin(5, 14) of IC771 and input terminal(JK721, JK722), and service it if defective.
  • Page 28 FLOW CHART NO.5 Audio is not outputted normally.(PC Audio input) Check the line between Pin(1, 12) of IC771 and input terminal(JK711), and service it if defective. Check SP861,SP862 and their periphery circuit, and service it if defective. Victor Company of Japan, Limited Display Division 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA711<Rev.002>) Printed in Japan...
  • Page 29: Parts List

    PARTS LIST CAUTION The parts identified by the symbol are important for the safety . Whenever replacing these parts, be sure to use specified ones to secure the  safety. The parts not indicated in this Parts List and those which are filled with lines --- in the Parts No. columns will not be supplied. P.W.
  • Page 30 JUNCTION-C P.W. BOARD ASS'Y (FU-1ESA20948-5) ................3-10 PACKING ................................... 3-11 PACKING PARTS LIST ............................. 3-12 USING P.W. BOARD & REMOTE CONTROL UNIT P.W.B ASS'Y No. P.W.B ASS'Y name LT-19D200/AK MAIN PWB P.W.B FU-1ESA21430 JACK PWB P.W.B FU-1ESA20948-1 FUNCTION PWB P.W.B FU-1ESA20948-2 JUNCTION-A P.W.B...
  • Page 31: Exploded View Parts List

    EXPLODED VIEW PARTS LIST  Ref.No. Part No. Part Name Description Local FU-N7XT3KVM DVD MECHA SLOT FU-1EM123674 FRONT CABINET FU-1EM325657 CONTROL PLATE FU-1EM023466 REAR CABINET FU-1EM223304 DECORATION PLATE FU-1ESA20125 STAND ASSEMBLY FU-1EM428257 JACK LABEL FU-1EM222783 JACK HOLDER(A) A 10 FU-1EM222784 JACK HOLDER(D) A 14 -----------...
  • Page 32: Exploded View

    EXPLODED VIEW LCD1 See Electrical Parts List for parts with this mark. 3-4(No.YA711<Rev.001>)
  • Page 33 AC601 (No.YA711<Rev.001>)3-5...
  • Page 34: Printed Wiring Board Parts List

    PRINTED WIRING BOARD PARTS LIST MAIN P.W. BOARD ASS'Y (FU-1ESA21430) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D1021 FU-NDTB015BST26 ZENER DIODE D1022 FU-QDTZ001SS133 SI DIODE IC1001 FU-NSCA0T0TY006 IC D1023 FU-QDTZ001SS133 SI DIODE IC1002 FU-NSZBA0TJY030 D1024...
  • Page 35 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D907 FU-QDTZ001SS133 SI DIODE C648 FU-CE1EMAVSL470 E CAPACITOR 47uF 25V M D908 FU-NDQZ001N4005 SI DIODE C649 FU-CE1AMAVSL221 E CAPACITOR 220uF 10V M D909 FU-NDQZ001N4005 SI DIODE C650 FU-CE1AMAVSL221 E CAPACITOR 220uF 10V M...
  • Page 36 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R1037 FU-RRXAZR5Z0000 MG RESISTOR 0Ω 1/10W R231 FU-RRXAJR5Z0152 MG RESISTOR 1.5kΩ 1/10W J R1038 FU-RRXAJR5Z0244 MG RESISTOR 240kΩ 1/10W J R232 FU-RRXAJR5Z0153 MG RESISTOR 15kΩ...
  • Page 37: Jack P.w. Board Ass'y (Fu-1Esa20948-1)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R805 FU-RRXAJR5Z08R2 MG RESISTOR 8.2Ω 1/10W J JS304 FU-RRXAZR5Z0000 MG RESISTOR 0Ω 1/10W R808 FU-RRXAJR5Z0472 MG RESISTOR 4.7kΩ 1/10W J JS801 FU-RRXAZR5Z0000 MG RESISTOR 0Ω...
  • Page 38: Function P.w. Board Ass'y (Fu-1Esa20948-2)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R781 FU-RRXAJR5Z0823 MG RESISTOR 82kΩ 1/10W J SW951 FU-SST0101AL049 TACT SWITCH PLAY R782 FU-RCX4823T1001 C RESISTOR 82kΩ 1/4W J SW952 FU-SST0101AL049 TACT SWITCH STOP R783 FU-RRXAJR5Z0823 MG RESISTOR 82kΩ...
  • Page 39: Packing

    PACKING Refer to EXPLODED VIEW PARTS LIST Stand Tape Assembly Packing Tape Packing Tape Tape Packing Tape Some Ref. Numbers are not in sequence. (No.YA711<Rev.001>)3-11...
  • Page 40: Packing Parts List

    PACKING PARTS LIST  Ref.No. Part No. Part Name Description Local FU-1EM429199 PACKING CASE FU-1EM023965 TOP CUSHION FU-1EM023966 BOTTOM CUSHION 2pcs in 1set FU-1EM323958 SET BAG FU-1EM425888 STAND BAG FU-0EM408420A POLY BAG  X 2 FU-1EMN24939 INST BOOK French/Spanish/English FU-NF902UD REMOTE CONTROL ------------ DRY BATTERY...
  • Page 41 SCHEMATIC DIAGRAMS LCD TELEVISION BUILT-IN DVD PLAYER LT-19D200 DVD-ROM No.SML2009Q1 HIGH DEFINITION TELEVISION VERSION There may be multiple versions of this TV model. MODEL NO. The TV version is identified by the letters next to the model number MODEL NAME on the TV's Rating.
  • Page 42: Standard Circuit Diagram

    LT-19D200 STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY Type No indication : Ceramic capacitor The components identified by the symbol and shading are : Metalized mylar capacitor critical for safety. For continued safety replace safety ciritical : Polypropylene capacitor components only with manufactures recommended parts.
  • Page 43 CONTENTS SEMICONDUCTOR SHAPES ..............2-3 WIRING DIAGRAM [TV CABLE] ..............2-4 WIRING DIAGRAM (1/2) ................2-5 WIRING DIAGRAM (2/2) ................2-7 POWER SUPPLY BLOCK DIAGRAM ............2-9 INVERTER BLOCK DIAGRAM ..............2-11 DIGITAL SIGNAL PROCESS BLOCK DIAGRAM ........2-13 AUDIO BLOCK DIAGRAM ................ 2-15 VIDEO BLOCK DIAGRAM ................ 2-17 SYSTEM CONTROL BLOCK DIAGRAM ..........
  • Page 44: Semiconductor Shapes

    USING P.W. BOARD P.W.B ASS’Y name LT-19D200/AK FU-1ESA21430 MAIN P.W. BOARD FU-1ESA20948-1 JACK P.W. BOARD FU-1ESA20948-2 FUNCTION P.W. BOARD FU-1ESA20948-3 JUNCTION-A P.W. BOARD FU-1ESA20948-4 JUNCTION-B P.W. BOARD FU-1ESA20948-5 JUNCTION-C P.W. BOARD FU-1ESA19805(Not supply individual parts of this PWB.) DIGITAL MAIN P.W. BOARD FU-N7EX2KUP(Not supply individual parts of this PWB.)
  • Page 45: Wiring Diagram [Tv Cable]

    WIRING DIAGRAM [TV CABLE] To DVD MECHANISM CN301 CN801 CN401 CN201 LCD PANEL UNIT To LCD PANEL DVD MAIN CN601 UNIT PWB UNIT DIGITAL MAIN MAIN PWB PWB UNIT CN201 CN3902 CN301 CN3701 CN1001 CN302 CN3702 CN4001 CN303 CN1002 JACK PWB CN902 CN702 CN901...
  • Page 46 WIRING DIAGRAM (1/2) DIGITAL MAIN PWB UNIT CN301 CN3701 P-ON-H2 CN3902 MAIN PWB PROTECT3 TUNER UNIT CN1001 PC-RGB-IN AMP(L)-OUT CN4001 CN303 BACK LIGHT AMP(R)-OUT KEY-IN2 P-ON-H1 DVD-LED CN862A CN862B P-ON+3V P-ON-H3(NU) 1 SP(R) CL862 CN1002 SP862 PROTECT1 DVD-MAIN-PWR 2 SP(R) SP(R) BACK HDMI-...
  • Page 47 WIRING DIAGRAM (2/2) TO WIRING 1/2 DIAGRAM TO POWER TO POWER SUPPLY CBA SUPPLY CBA CN901 CN902 CN601 CN401 DVD MAIN PWB UNIT CN301 CN201 CN801 SPINDLE MOTOR CN5001 CN5001 is soldered directly to the PCB. SLED MOTOR 7 9 11 2 3 6 5 LOAD-DISC DETECTOR DISC-IN...
  • Page 48: Power Supply Block Diagram

    POWER SUPPLY BLOCK 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 4 A, 125V fuse.
  • Page 49: Inverter Block Diagram

    INVERTER BLOCK DIAGRAM INV+31V Q1004,Q1006, Q1002,Q1011 Q1008,Q1012 PANEL+15V SW+16V SW+16V IC1001(PWM CONTROL) VREF Q1023, Q1024 Q1010, Q1005 Q1017, T1002 Q1018 CN1001 CURRENT DRIVE CONTROL BACK SWITCH LIGHT Q1001, CONTROL Q1022 Q1007, LOGIC Q1016 CURRENT CONTROL DRIVE SWITCH CN1002 BACK LIGHT Q1014 Q1009 OVER VOLTAGE...
  • Page 50: Digital Signal Process Block Diagram

    DIGITAL SIGNAL PROCESS BLOCK DIAGRAM VIDEO SIGNAL AUDIO SIGNAL LCD PANEL DIGITAL MAIN PWB UNIT IC3301 (DIGITAL SIGNAL PROCESS) IC3901 (TINING CONTROLLER) UNIT CN3902 LLV0(+) VGA-R-IN LLV0(-) VGA-G-IN LLV1(+) VGA-B-IN LLV1(-) VIDEO-IN LLV2(+) S-VIDEO-C-IN LLV2(-) S-VIDEO-Y-IN TO VIDEO LLV3(+) DATA COM-VIDEO-Y-IN BLOCK DIAGRAM CONVERTER...
  • Page 51: Audio Block Diagram

    AUDIO BLOCK DIAGRAM AUDIO SIGNAL IC902 DVD MAIN PWB UNIT JACK PWB (OP AMP) WF11 CN902 CN601 TO DVD DVD-AUDIO(L) DIGITAL DVD-AUDIO(L) DVD-AUDIO(R) IC771 SIGNAL JK753 DVD-AUDIO(R) PROCESS (AUDIO SELECTOR) DVD-SPDIF AUDIO(L) DVD-SPDIF BLOCK DIAGRAM JK754 WF13 AUDIO(R) WF12 Q907 CN303 CN4001 JK741...
  • Page 52: Video Block Diagram

    VIDEO BLOCK DIAGRAM VIDEO SIGNAL AUDIO SIGNAL DIGITAL MAIN PWB UNIT JK752 VIDEO-IN CN701 CN702 CN302 CN3702 VIDEO-IN VIDEO-IN VIDEO-IN S-VIDEO-C-IN S-VIDEO-C-IN S-VIDEO-C-IN S-VIDEO-Y-IN S-VIDEO-Y-IN S-VIDEO-Y-IN JK751 S-VIDEO-SW S-VIDEO S-VIDEO-SW-IN S-VIDEO-SW COM-VIDEO-Y-IN COM-VIDEO-Y-IN 20 COM-VIDEO-Y-IN COM-VIDEO-Pb-IN COM-VIDEO-Pb-IN 18 COM-VIDEO-Pb-IN COM-VIDEO-Pr-IN COM-VIDEO-Pr-IN 16 COM-VIDEO-Pr-IN VGA-R-IN...
  • Page 53: System Control Block Diagram

    SYSTEM CONTROL BLOCK DIAGRAM RS101 IC3301 JUNCTION -A (MAIN MICRO CONTROLLER) CN4001 CN303 REMOTE SENSOR KEY-IN2 AL+3.3V D103 DVD-LED E5 DVD-LED CN102 CN101 CN101A CN101B STANDBY REMOTE REMOTE P-ON-H1 P-ON-H1 Q172 Q171 LED1 LED1 D104 KEY-IN1 KEY-IN1 POWER KEY-IN2 KEY-IN2 DVD-LED DVD-LED KEY-IN2 AD6...
  • Page 54: Dvd System Control/Servo Block Diagram

    DVD SYSTEM CONTROL/SERVO BLOCK DIAGRAM 1 NOTE: Either IC461 or IC462 is used for DVD MAIN CBA UNIT. IC101 DVD MAIN PWB UNIT +3.3V +3.3V (MICRO CONTROLLER) IC461 IC462 RESET RESET RESET IC301 VREF (SERVO DRIVE) FS(+) FOCUS ACTUATOR FS(-) 127 FOCUS DRIVE TO DVD DIGITAL DRIVE...
  • Page 55: Dvd Digital Signal Process Block Diagram

    DVD DIGITAL SIGNAL PROCESS BLOCK DIAGRAM VIDEO SIGNAL AUDIO SIGNAL IC503 (SDRAM) IC101 (MICRO CONTROLLER) SDRAM ADDRESS(0-10) SDRAM ADDRESS(0-10) DATA EXTERNAL SDRAM MEMORY DECODER INST. DECODER STREAM SDRAM DATA(0-15) SDRAM DATA(0-15) DATA PROCESSOR INST. DVD-SPDIF CN201 TO AUDIO C 16 SIGNAL DVD/CD BLOCK...
  • Page 56: Circuit Diagrams

    CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM (1/4) CN1002 JS1010 R1111 R1117 R1118 C1006 C1014 D1014 Q1011 Q1003 C1007 D1015 C1019 D1027 R1015 D1007 D1036 D1005 Q1005 R1099 C1023 T1002 C1020 C1052 D1008 R1018 C1010 C1004 D1026 D1012 Q1017 R1019 D1011 D1010 D1013 R1031...
  • Page 57 MAIN PWB CIRCUIT DIAGRAM (2/4) IC901 TU302 CN901 MAIN PWB ASS'Y(2/4) R911 FU-1ESA21430 C915 R910 Q901 R912 C916 C912 R914 R913 R918 JS304 R917 C911 R915 DVD MAIN PWB(1/3) C309 Q902 CN401 R313 BC301 JS305 R916 MAIN PWB(4/4) C304 C305 C306 R925 L301...
  • Page 58: Main Pwb Circuit Diagram (3/4) And Junction-B Circuit Diagram

    MAIN PWB CIRCUIT DIAGRAM (3/4) AND JUNCTION-B CIRCUIT DIAGRAM JUNCTION-B PWB FU-1ESA20948-4 MAIN PWB ASS'Y(3/4) CN862A CN862B CL862 FU-1ESA21430 MAIN PWB(4/4) CN102 JUNCTION-A PWB CN101 CN702 JS101 C805 D808 C807 R804 MAIN PWB(4/4) R806 C806 R807 D809 C802 R815 C808 BC801 R808 R805...
  • Page 59 MAIN PWB CIRCUIT DIAGRAM (4/4) 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 4 A, 125V fuse.
  • Page 60: Function Pwb Circuit Diagram And Junction-A Pwb Circuit Diagram

    FUNCTION PWB CIRCUIT DIAGRAM AND JUNCTION-A PWB CIRCUIT DIAGRAM C107 D950 D103 D104 R106 R107 R950 R108 R109 RS101 CN101 CN101B CN101A MAIN PWB(3/4) R110 CN102 C103 C104 C109 R116 R111 R112 R113 R114 R115 R118 JUNCTION-A PWB ASS'Y C108 SW104 SW105 SW106...
  • Page 61: Jack And Junction-C Pwb Circuit Diagram

    JACK AND JUNCTION-C PWB CIRCUIT DIAGRAM BC841 C843 C773 R847 R846 C842 Q841 R848 R845 C841 R844 JK841 BC771 C845 R843 C771 C772 IC771 R788 R789 R790 R791 R772 R773 R780 R781 R782 R783 C704 R718 R712 C703 R717 JK711 R711 R852 L852...
  • Page 62: Digital Main Pwb Circuit Diagram

    DIGITAL MAIN PWB CIRCUIT DIAGRAM (1/5) This schematic is only for reference. Avoid replacing individual parts. 1 NOTE: Relpace the entire PWB ASS'Y only. The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section. C3901 C3903 IC4202...
  • Page 63 DIGITAL MAIN PWB CIRCUIT DIAGRAM (2/5) This schematic is only for reference. Avoid replacing individual parts. 1 NOTE: Relpace the entire PWB ASS'Y only. The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section. R3002 IC3301 C3002...
  • Page 64 DIGITAL MAIN PWB CIRCUIT DIAGRAM (3/5) This schematic is only for reference. Avoid replacing individual parts. 1 NOTE: Relpace the entire PWB ASS'Y only. The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section. BC3801 DIGITAL MAIN PWB(5/5) C3802...
  • Page 65 DIGITAL MAIN PWB CIRCUIT DIAGRAM (4/5) This schematic is only for reference. Avoid replacing individual parts. 1 NOTE: Relpace the entire PWB ASS'Y only. The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into five and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section. IC3301 JK3701 C3419...
  • Page 66 DIGITAL MAIN PWB CIRCUIT DIAGRAM (5/5) This schematic is only for reference. 1 NOTE: Avoid replacing individual parts. The order of pins shown in this diagram is different from that of actual IC3301. Relpace the entire PWB ASS'Y only. IC3301 is divided into seven and shown as IC3301 (1/5) ~ IC3301 (5/5) in this Digital Main Schematic Diagram Section. DIGITAL MAIN PWB ASS'Y(5/5) FU-1ESA19805 DIGITAL MAIN PWB(3/5)
  • Page 67: Dvd Main Pwb Circuit Diagram

    DVD MAIN PWB CIRCUIT DIAGRAM (1/3) This schematic is only for reference. Avoid replacing individual parts. Relpace the entire PWB ASS'Y only. 1 NOTE: Either IC461 or IC462 is used for DVD MAIN CBA UNIT. DVD MAIN PWB ASS'Y(1/3) FU-N7EX2KUP IC202 DVD MAIN PWB(2/3) R280...
  • Page 68 DVD MAIN PWB CIRCUIT DIAGRAM (2/3) This schematic is only for reference. DVD MAIN PWB ASS'Y(2/3) Avoid replacing individual parts. Relpace the entire PWB ASS'Y only. FU-N7EX2KUP DVD MAIN PWB(3/3) DVD MAIN PWB(3/3) R102 R101 IC101 DVD MAIN PWB(1/3) R191 C191 R192 X101...
  • Page 69 DVD MAIN PWB CIRCUIT DIAGRAM (3/3) This schematic is only for reference. Avoid replacing individual parts. Relpace the entire PWB ASS'Y only. R510 C501 C502 C503 DVD MAIN PWB ASS'Y(3/3) C504 C505 C506 FU-N7EX2KUP C513 C514 IC503 L501 DVD MAIN PWB(2/3) IC103 DVD MAIN PWB(1/3) R106...
  • Page 70: Pattern Diagrams

    PATTERN DIAGRAMS MAIN PWB PATTERN [SOLDER SIDE] (No.YA711<Rev.001>)2-53 2-54(No.YA711<Rev.001>)
  • Page 71 MAIN PWB PATTERN [PARTS SIDE] (No.YA711<Rev.001>)2-55 2-56(No.YA711<Rev.001>)
  • Page 72: Jack Pwb Pattern

    JACK PWB PATTERN [SOLDER SIDE] FUNCTION PWB PATTERN [SOLDER SIDE] C107 R109 C105 C106 BC841 R110 RS101 C110 C842 R108 R847 R845 R107 R846 C754 C755 C950 C843 R106 C104 R756 J810 SW955 R950 Q841 D950 D103 SW954 C111 R951 D952 J818 R757...
  • Page 73: Waveforms

    WAVEFORMS WAVEFORMS WF1 ~ WF7 = Waveforms to be observed at Waveform check points. (Shown in Schematic Diagram.) WF8 ~ WF13 = Waveforms to be observed at Input: NTSC Color Bar Signal (with 1kHz Audio Signal) Waveform check points. (Shown in Schematic Diagram.) Pin 4 of CN302 Pin 17 of CN302 Input: NTSC Color Bar Signal (with 1kHz Audio Signal)
  • Page 74 Victor Company of Japan, Limited Display Division 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA711<Rev.001>) Printed in Japan...

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