SECTION 1 PRECAUTION SAFETY PRECAUTIONS (1) The design of this product contains special hardware, (7) Isolation Check (Safety for Electrical Shock Hazard) many circuits and components specially for safety After re-assembling the product, always perform an isola- purposes. For continued protection, no changes should be tion check on the exposed metal parts of the cabinet (an- made to the original design unless authorized in writing by tenna terminals, video/audio input and output terminals,...
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INSTALLATION 1.2.1 HEAT DISSIPATION If the heat dissipation vent behind this unit is blocked, cooling efficiency may deteriorate and temperature inside the unit will rise. Therefore, please make sure pay attention not to block the heat dissipation vent as well as the ventilation outlet behind the unit and ensure that there is room for ventilation around it.
SECTION 2 SPECIFIC SERVICE INSTRUCTIONS ABOUT LIQUID CRYSTAL DISPLAY 2.1.1 STRUCTURE OF LIQUID CRYSTAL PANEL The Liquid Crystal Display used for this unit is of a TFT (Thin Film Transistor) type panel. The structure of this panel is that a TFT array-formed substrate and the stripe pixel matrix type color filter substrate are pressed together with a liquid crystal filled in between these materials.
SECTION 3 DISASSEMBLY DISASSEMBLY PROCEDURE CAUTION: 3.1.1 REMOVING THE CABLE COVER (L/R) AND NECK • Prior to disassembly, unplug the power cord and AC COVER (Fig.1) adapter from the AC outlet without fail. (Turn the power (1) Remove the 4 claws [A]. "off".) (2) Remove the CABLE COVER (L), CABLE COVER (R) and •...
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3.1.2 REMOVING THE STAND ASS'Y (Fig.2) 3.1.4 REMOVING THE AV JACK MODULE (Fig.2) • Remove the NECK COVER. • Remove the CABLE COVER (L). (1) Remove the 4 screws [B] and remove the STAND ASS’Y. (1) Loosen the 2 screws [D]. (2) Remove the AV JACK MODULE by pulling carefully.
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3.1.5 REMOVING THE REAR COVER (Fig.3) • Remove the CABLE COVER (L/R) and NECK COVER. • Remove the STAND ASS’Y. • Remove the TUNER MODULE. • Remove the AV JACK MODULE. (1) Remove the 4 screws [E] and remove the REAR COVER. E x4 REAR COVER Fig.3...
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3.1.6 REMOVING THE MAIN PWB SHIELD (Fig.4, 5) • Remove the REAR COVER. (1) Remove the 1 screw [F] and remove the D-SUB COVER. (Fig.4) (2) Remove the 1 screw [G] and remove the AUDIO COVER. (Fig.4) (3) Remove the 2 screws [H] and remove the MODULE BRACKETS.
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MAIN PWB SHIEELD J x2 I x2 Fig.5 1-10 (No.YA351)
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3.1.7 REMOVING THE MAIN PWB (Fig.6) • Remove the REAR COVER. NOTE: • Remove the MAIN PWB SHIELD. • EIt is advisable to take note of the connecting location (1) Remove the 1 screw [K]. (connector number) of the removed connectors. (2) Disconnect the connectors [P004] / [P006] / [P009] / [P014] from the MAIN PWB.
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3.1.8 REMOVING THE LCD PANEL UNIT [LT-17AX5, LT-17AX5/S, LT-17AX5/A] (Fig.7, 8) • Remove the REAR COVER. (1) Remove the 5 screws [M]. (Fig.7) • Remove the MAIN PWB SHIELD. (2) Remove the 1 claw [N], 4 claws [O] and 1 claw [P] and •...
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3.1.9 REMOVING THE LCD PANEL UNIT [LT-23AX5, LT-23AX5/S, LT-23AX5/A] (Fig.9, 10) • Remove the REAR COVER. (1) Remove the 6 screws [R]. (Fig.9) • Remove the MAIN PWB SHIELD. (2) Remove the 3 claws [S], 4 claws [T], 3 claws [U] and 2 •...
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W x4 LCD BRACKET W x4 Fig.10 (No.YA351)1-15...
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3.1.10 REMOVING THE INVERTER PWB [LT-17AX5, LT-17AX5/S, LT-17AX5/A] (Fig.11) • Remove the REAR COVER. (1) Remove the 4 screws [X]. • Remove the MAIN PWB SHIELD. (2) Disconnect the connectors from the INVERTER PWB and • Remove the MAIN PWB.
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3.1.11 REMOVING THE SPEAKERS (Fig.12) • Remove the REAR COVER. (1) Disconnect the connector [P612] from the FRONT CONTROL PWB. (2) Strip off the sponges and remove the SPEAKERS. NOTE: • It is advisable to take note of the connecting location (connector number) of the removed connectors.
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3.1.12 REMOVING THE FRONT CONTROL PWB (Fig.13) 3.1.13 REMOVING THE IR SENSOR PWB (Fig.13) • Remove the REAR COVER. • Remove the REAR COVER. (1) Disconnect the connector [P611] from the FRONT (1) Remove the 1 screw [a]. CONTROL PWB. (2) Disconnect the connector [P005] from the IR SENSOR (2) Remove the 2 screws [Y].
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FIRMWARE VERSION CHECK 3.2.1 PROCEDURE FOR FIRMWARE VERSION CHECK (1) Press the [MUTING] key and the [DISPLAY] key simultaneously, and the FACTORY MODE screen Fig.1 will be displayed. FACTORY MODE SCREEN (2) The FIRMWARE VERSION is displayed in the upperleft on FIRMWARE Ver.
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REPLACEMENT OF CHIP COMPONENT 3.3.1 CAUTIONS (1) Avoid heating for more than 3 seconds. (2) Do not rub the electrodes and the resist parts of the pattern. (3) When removing a chip part, melt the solder adequately. (4) Do not reuse a chip part after removing it. 3.3.2 SOLDERING IRON (1) Use a high insulation soldering iron with a thin pointed end of it.
SECTION 5 TROUBLESHOOTING [LT-17AX5, LT-17AX5/S, LT-17AX5/A] Next No picture appear The voltage of Does the LED The voltage of Replace I025 Replace F001 I025 2pin is 3.3V light up L021, L022 is 12V LED light to Next The voltage of...
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[LT-23AX5, LT-23AX5/S, LT-23AX5/A] Next No picture appear The voltage of Does the LED The voltage of Replace I025 Replace F001 I025 2pin is 3.3V light up L021, L022 is 24V LED light to Next The voltage of amber The voltage of Replace Replace I009 I009 2pin is 3.3V...
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Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY DISPLAY CATEGORY 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA351) Printed in Japan...
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IR SENSOR PWB PATTERN ........................2-27 AV JACK PWB PATTERN ........................2-29 FRONT CONTROL PWB PATTERN ......................2-29 TUNER PWB PATTERN ..........................2-29 USING P.W. BOARD P.W.B ASS'Y LT-17AX5, LT-17AX5/S, LT-17AX5/A LT-23AX5, LT-23AX5/S, LT-23AX5/A MAIN P.W.BOARD DA-5098801023 (PWB-0915-PARTA-02) DA-5098801036 (PWB-0915-PARTA-02) IR SENSOR P.W.BOARD DA-5098801024 (PWB-0915-PARTB-02) DA-5098801037 (PWB-0915-PARTB-02) AV JACK P.W.BOARD...
AV JACK PWB, FRONT CONTROL PWB, TUNER PWB PATTERN FRONT (No.YA351)2-29 2-30(No.YA351)
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Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY VIDEO DISPLAY CATEGORY 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama-city, kanagawa-prefecture, 221-8528, Japan (No.YA351) Printed in Japan...
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.
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CONTENTS [LT-17AX5, LT-17AX5/S, LT-17AX5/A] USING P.W. BOARD & REMOTE CONTROL UNIT ....................3-3 EXPLODED VIEW PARTS LIST ..........................3-4 EXPLODED VIEW ............................... 3-5 PRINTED WIRING BOARD PARTS LIST ........................3-6 MAIN P.W. BOARD ASS'Y DA-5098801023 (PWB-0915-PART A-02) ............. 3-6 IR SENSOR P.W. BOARD ASS'Y DA-5098801024 (PWB-0915-PART B-02) ..........3-9 AV JACK P.W.
PRINTED WIRING BOARD PARTS LIST MAIN P.W. BOARD ASS'Y Ref No. Part No. Part Name Description Local DA-5098801023 (PWB-0915-PART A-02) C016 DA-E240610191 CAPACITOR 50V 100pF J Ref No. Part No. Part Name Description Local C017 DA-E240610191 CAPACITOR 50V 100pF J C020 DA-E240610191 CAPACITOR...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C142 DA-E230610291 CAPACITOR 50V 1000pF K C460 DA-E230610391 CAPACITOR 50V 10000pF K C143 DA-E218007893 CAPACITOR 16V 10uF M C145 DA-E230003391 CAPACITOR 25V 0.1uF Z R001 DA-E134600009 RESISTOR...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R109 DA-E134612209 RESISTOR 1/10W 1.2kΩ J R416 DA-E134610209 RESISTOR 1/10W 1kΩ J R110 DA-E134610309 RESISTOR 1/10W 10kΩ J R417 DA-E134610209 RESISTOR 1/10W 1kΩ J R112 DA-E134600009 RESISTOR...
PAL JACK U601 DA-E052110022 TUNER TUNER PACKING PACKING PARTS LIST Ref.No. Part No. Part Name Description Local DA-I513380856 CARTON BOX LT-17AX5 DA-I513380956 CARTON BOX LT-17AX5/A,LT-17AX5/S DA-I523380156 CUSHION(L) DA-I523380256 CUSHION(R) DA-I533389856 POLY BAG DA-I533389756 POLY BAG For ACCESSORIS DA-E061370349 AC ADAPTER ...
PRINTED WIRING BOARD PARTS LIST MAIN P.W. BOARD ASS'Y Ref No. Part No. Part Name Description Local DA-5098801036 (PWB-0915-PART A-02) C012 DA-E218027093 CAPACITOR 16V 100uF M Ref No. Part No. Part Name Description Local C013 DA-E240610191 CAPACITOR 50V 100pF J C014 DA-E240610191 CAPACITOR...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C129 DA-E240647091 CAPACITOR 50V 47pF J C284 DA-E230003391 CAPACITOR 25V 0.1uF Z C130 DA-E230014191 CAPACITOR 16V 2.2uF M C285 DA-E240668091 CAPACITOR 50V 68pF J C133 DA-E218008893 CAPACITOR...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R003 DA-E134600009 RESISTOR 1/10W 0Ω J R112 DA-E134600009 RESISTOR 1/10W 0Ω J R004 DA-E134600009 RESISTOR 1/10W 0Ω J R113 DA-E134600009 RESISTOR 1/10W 0Ω J R005 DA-E134639109 RESISTOR...
AV JACK P.W. BOARD ASS'Y FRONT CONTROL P.W. BOARD ASS'Y DA-098801038 (PWB-0916-PART B-02) DA-5098801039 (PWB-0916-PART B-02) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local Z601 DA-F615002361 Z DIODE MMSZ5231B R602 DA-E142127195 RESISTOR 270Ω...
PACKING PACKING PARTS LIST Ref.No. Part No. Part Name Description Local DA-I513390756 CARTON BOX DA-I523390156 CUSHION(L) DA-I523390256 CUSHION(R) DA-I533399956 POLY BAG For SET(x2) DA-I533399856 POLY BAG For SET DA-I533389756 POLY BAG For ACCESSORIS DA-E061370348 AC ADAPTER DA-E056706170 POWER CORD LT-23AX5 ...