������������������� SERVICE SAFETY PRECAUTIONS ............................ 3 HANDLING THE LCD MODULE ............................5 SERVICE MODE .................................. 7 LOCATION OF CONTROLS .............................. 10 LAYOUT OF MAJOR BOARDS ............................12 MECHANICAL DISASSEMBLY ............................13 EXPLODED VIEW ................................26 PACKING DISASSEMBLY ..............................30 CHASSIS AND CABINET REPLACEMENT PARTS LIST ....................32 PC BOARDS BOTTOM VIEW ............................
HANDLING THE LCD MODULE Safety Precautions 3. If the panel surface becomes soiled, wipe with cotton or a In the event that the screen is damaged or the liquid crystal soft cloth. If this does not remove the soiling, breathe on (fluid) leaks, do not breathe in or drink this fluid.
SERVICE MODE 1. ENTERING SERVICE MODE 1) Press the button on the Remote 2) Press the button again to delete 3) Hold down the button while pressing the INPUT button on the Controller to display the MUTE mark the MUTE mark. on the screen.
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3-8. OPTION 3. ADJUSTMENTS IN SERVICE MODE Switching items using the CH buttons Use Volume +/- buttons to change settings. 3 TEXT 4 POSITION 5 A PRO 1 MTS 2 HOTEL See SETTING & ADJUSTING DATA for details on the 9 LANGUAGE setting data.
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6. SELF DIAGNOSTIC FUNCTION 1) Press the "9" button on the Remote Controller while the setting menu is displayed in the service mode. The diagnosis will begin to check if the interface between the IC's has been executed properly. 2) The following displays are shown on the screen during the diagnosis.
LOCATION OF CONTROLS VOLUME –/+* CHANNEL Channel selection Volume down/up Menu item selection Menu item adjustment Power on/standby button Input source selection * Dual function buttons. Left side Front Right side DC IN 19V (Antenna input) Headphone jack ( 3.5mm) (Power input) For private listening, connect headphones.
Remote Control f Power on/standby CALL index, initial o Sound mute mI/II Stereo/bilingual selection TXT/TV selection Direct selection (0 – 9) a Input source selection -/-- Digit selection CH (channel selection) s/t Menu item selection s/t ; Volume –/+ Menu item adjustment –/+ h Picture menu MENU Sound menu...
LAYOUT OF MAJOR BOARDS U901B KEY Board U902 MAIN (DIGITAL) Board U901A MAIN (ANALOG) Board U001 INVERTER UNIT U901D EARPHONE JACK Board U903 IR Board Front View – 12 –...
MECHANICAL DISASSEMBLY • Note: Be sure to lay down the main body (by placing its LCD panel downward) for disassembly using the electric conducting cushion. The illustrations of disassembly describes for model 14JL7. Removing the back cover and stand 1) Lay down the unit while placing its LCD panel downward. 2) Press the A portions (anti-slip parts) at the bottom on both sides and pull them, then remove the back cover toward by arrow direction.
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1) Remove the back cover and stand. (Refer to item 1.) 2) Remove 5 screws and 4 hooks on both sides, then remove the back cabinet. Hooks BITTB 3x10 Back cabinet Hooks 14JL7E/H/R Back cabinet Hook Hook Front cabinet 20JL7E/H/R...
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Removing the Main (Analog) and Main (Digital) boards 3-1. 14JL7E/H/R 1) Remove the back cover, stand and back cabinet. (Refer to items 1 and 2.) 2) Remove the Inverter unit. (Refer to item 4.) 3) Remove 4 screws, then remove the I/O cover L and I/O cover R.
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3-2. 20JL7E/H/R 1) Remove the back cover, stand and back cabinet. (Refer to items 1 and 2.) 2) Remove 6 screws, then remove the I/O cover L and I/O cover R. 3) Remove 5 screws, then remove the I/O bracket L. 4) Remove 5 screws, then remove the I/O bracket R.
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Removing the Inverter unit 4-1. 14JL7E/H/R 1) Remove the back cover, stand and back cabinet. (Refer to items 1 and 2.) 2) Remove the I/O cover L. (Refer to step 3) in the item 3-1.) 3) Disconnects 5 wire harnesses.
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4-2. 20JL7E/H/R 1) Remove the back cover, stand and back cabinet. (Refer to items 1 and 2.) 2) Remove the I/O cover L. (Refer to step 3) in the item 3-2.) 3) Disconnects 8 wire harnesses. 4) Remove 2 screws, then remove the Inverter unit. Inverter unit M 3x4 Harness...
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Removing the IR board 5-1. 14JL7E/H/R 1) Remove the back cover, stand and back cabinet. (Refer to items 1 and 2.) 2) Disconnect 1 wire harness. 3) Remove 4 screws, then remove the LED lens trim. 4) Remove 1 screw, then remove the IR board.
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5-2. 20JL7E/H/R 1) Remove the back cover, stand and back cabinet. (Refer to items 1 and 2.) 2) Disconnect 1 wire harness. 3) Remove 5 screws, then remove the LED lens trim. 4) Remove the IR board. PAN HEAD BITTB LED Lens trim IR Board –...
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Removing the Earphone board 1) Remove the back cover, stand and back cabinet. (Refer to items 1 and 2.) 2) Remove the Earphone board. 3) Disconnect the FFC from the Earphone board. Earphone board Illustration describes for model 14JL7 – 21 –...
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Removing the TFT panel 7-1. 14JL7E/H/R 1) Remove the back cover, stand and back cabinet. (Refer to items 1 and 2.) 2) Remove the Main (Analog) board, Main (Digital) board and Inverter unit. (Refer to items 3 and 4.) 3) Remove 3 screws, 2 screws and 6 screws, then remove the panel bracket with TFT panel.
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7-2. 20JL7E/H/R 1) Remove the back cover, stand and back cabinet. (Refer to items 1 and 2.) 2) Remove the Main (Analog) board, Main (Digital) board and Inverter unit. (Refer to items 3 and 4.) 3) Remove 4 screws, 8 screws and 2 screws, then remove the panel bracket with TFT panel. 4) Remove 4 screws, then remove the TFT panel.
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Removing the Key board 1) Remove the back cover, stand and back cabinet. (Refer to items 1 and 2.) 2) Remove the Main (Analog) board, Main (Digital) board, Inverter unit and panel bracket with TFT panel. (Refer to items 3,4 and 7.) 3) Remove 4 screws, then remove the Key board from the function key.
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9. Removing the speakers 9-1. 14JL7E/H/R 1) Remove the back cover, stand and back cabinet. (Refer to items 1 and 2.) 2) Remove the Main (Analog) board, Main (Digital) board and Inverter unit. (Refer to items 3 and 4.) 3) Remove the panel bracket (Refer to step 3) in the item 7.) 4) Remove 1 screw and 4 spacers, then remove the two speakers.
The part number must be used when ordering parts, in order to assist in processing, be sure to include the Model number and Description. The PC board assembly with mark is no longer available after the end of the production. Model : 14JL7E/14JL7H/14JL7R/20JL7E/20JL7H/20JL7R Capacitors ..... CD : Ceramic Disk PF : Plastic Film EL : Electrolytic Resistors ....
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Location Parts No. Description Location Parts No. Description C435 24619026 ELECTROLYTIC CE24W 6.3V 22UF M #6 24073220 CHEMICON 16V 470M KZH16VB470M-S C436 24092730 CERAMIC CHIP, 16V B 0.1UF K C672 #1 24206100 ELECTROLYTIC, 50V 10UF M 7L 3A C437 24092730 CERAMIC CHIP, 16V B 0.1UF K #2 24763101 ELECTROLYTIC, 16V 100UF M C438 24092730 CERAMIC CHIP, 16V B 0.1UF K...
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Location Parts No. Description Location Parts No. Description C830 24092730 CERAMIC CHIP, 16V B 0.1UF K CV05 24203220 ELECTROLYTIC, 16V 22UF M 7L 3A C831 24100103 CERAMIC CHIP, 50V F 0.01UF Z @U901A CV06 24591473 PLASTIC FILM, 50V 0.047UF J 24619071 ELECTROLYTIC, 50V 2.2UF @U902 CV11 24109103 CERAMIC CHIP, 50V B 0.01UF K...
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KEY BOARD PD1803-2 (14JL7E/14JL7H/14JL7R) (U901B) KEY BOARD PD1803-2 (14JL7E/14JL7H/14JL7R) (U901B) TOP (COMPONENT) SIDE BOTTOM (FOIL) SIDE SA04 SA03 SA05 SA02 SA01 SA06 R-1786 23590033B INPUT VOL DOWN CH DOWN CH UP POWER P103B VOL UP 23547640 PD1803-2 KEY BOARD PD1860-2 (20JL7E/20JL7H/20JL7R) (U901B)
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PHONE JACK BOARD PD1803-4 (14JL7E/14JL7H) (U901D) PHONE JACK BOARD PD1803-4 (14JL7E/14JL7H) (U901D) PHONE JACK BOARD PD1803A-4 (14JL7R) (U901D) PHONE JACK BOARD PD1803A-4 (14JL7R) (U901D) TOP (COMPONENT) SIDE BOTTOM (FOIL) SIDE P611B R624 R-1786 R624 P611B R625 R625 P661 23590033A PD1803-4...
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SCHEMATIC DIAGRAM MODEL : 14JL7E/14JL7H/14JL7R/20JL7E/20JL7H/20JL7R WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL. CAUTION: The international hazard symbols " " in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
SPECIFICATIONS (Representive) MODEL 14JL7E/14JL7H 20JL7E/20JL7H Power source ~100-240 V, 50/60 Hz Power consumption 44 W 70 W (at DC 19V) (1.2 W at power standby) (1.2 W at power standby) Dimensions 352.0mm x 70.0mm x 327.5mm 484.0mm x 77.0mm x 448.5mm...
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