CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” AND “PRODUCT SAFETY NOTICE” INSTRUCTIONS BELOW. X-RAY RADIATION PRECAUTION 1. Excessive high voltage can produce potentially hazard- 2. The only source of X-RAY RADIATION in this TV receiver ous X-RAY RADIATION.
CRT ASSEMBLY REPLACEMENT AND MOUNTING CAUTION : DO NOT LOOSEN THE HEX HEAD BOLTS WITH SPRINGS (12 PCS), BECAUSE THOSE ARE FOR SEALING OF CRT COOLANT. Attention Serviceman The Hex Head Bolts with Springs. (see sketch) used on CRT assembly, 8 o’clock are “NOT”...
Page 5
TO REMOVE CRT (Same procedure for R, G, B) 1. Remove CRT DRIVE Board, S. V. M. COIL and DEF. YOKE from CRT. 2. Remove Lens Assembly. 3. Detach CRT Anode Cap from CRT. 4. Remove CRT Assembly from CRT Mounting. Anode Cap CRT REPLACEMENT (Same procedure for R, G, B) Reverse the removal procedures except the followings.
WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRE- CAUTION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL. PICTURE TUBE COMPONENTS ADJUSTMENT ADJUSTING PROCEDURE IN REPLACING CRT RGB FOCUS ADJUSTMENT 1. Call-up the adjustment mode (see page 10) User convergence center check Cutoff 2.
Page 7
Note: The aim of the above-described adjustment procedure Note: Keep in mind that only the BLUE electric focus is ad- for the Green lens focus is to obtain the best lens focus justed with the black cross-hatch. after 2 - 3 hours of warming up taking into account the focus drift;...
Page 8
LOCATION OF SCREEN AND FOCUS VR'S To remove the Speaker grille and Front panel. FOCUS VR's SCREEN VR's Front grille REPLACEMENT OF HIGH VOLTAGE CABLE 1. When replacing Anode Lead or Anode Cap with new one, remove Lead Holder from old lead as shown in ANODE LEAD figure below, and put it on new lead.
WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAU- TION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL. SERVICE POSITION In order to assure the performance, processed wires shall be replaced after the repair work. Work procedures are as follows: 1.
SERVICE MODE 1. ENTERING TO SERVICE MODE 1) Press o button once on 2) Press o button again to 3) While pressing the o button, Remote Control. keep pressing. press MENU button on TV set. Item Data or Sound Mute (Service mode display) 2.
Page 11
4. SELECTING THE ADJUSTING ITEMS 1) Every pressing of CHANNEL s button in the service mode changes the adjustment items in the order of table-2. (t button for reverse order) Refer to table-2 for preset data of adjustment mode. (See SETTING & ADJUSTING DATA on page 24) 5.
Page 12
8. SELF DIAGNOSTIC FUNCTION 1) Press “9” button on Remote Control during display of adjustment menu in the service mode. The diagnosis will begin to check if interface among IC’s are executed properly. 2) During diagnosis, the following displays are shown. Indicated color of mode now selected : Green and Red Indicated color of other modes : White...
DESIGN MODE 1. ENTERING TO DESIGN MODE 1) Select the Service mode. 2) While pressing CALL button on Remote 3) Press MENU button on TV. and press MENU button on TV. ITEM Press DATA Press (Design mode) (Adjustment mode) When QA02 is initialized, items “OPT0” and “OPT1” of DESIGN MODE are set to the data of the representative model of this chassis family.
ELECTRICAL ADJUSTMENT ITEM ADJUSTMENT PROCEDURE WIDTH 1. Call up the adjustment mode display, then select the item WID. (WID) 2. Press the VOLUME t button to get the picture so the left or right edges of raster begins to lack. 3.
Page 15
A9PJ: Series (Reference factory adjustment) – 15 –...
CONVERGENCE ADJUSTMENT 1. PICTURE ADJUSTMENT The adjustment are done on two screens; 50 Hz mode (PAL) 1-2. Service Mode and 60 Hz mode (NTSC). To synchronize correction wave to 1-2-1. Outline each frequency, receive the suitable signal. Service mode is controlled by software of micro-processor Note: The convergence circuit is a circuit to eliminate screen QA01, and is one of function of set.
Page 18
2. KEY FUNCTION OF REMOTE CONTROL UNIT h key ....Red test pattern ON/OFF ? key ....Green test pattern ON/OFF key ....Blue test pattern ON/OFF b key .... Mode picture change over 6 key ....Cursor shift / data change mode change over 0 key ....
Page 19
3. Picture a) 50 Hz mode (PAL) ..Correcting point: Horizontal 8 x Vertical 8 (Arrow marks denote correcting point) The first picture The second picture Data display Cursor (red) Screen center (Blinking) The first picture The second picture is indicated with data on top left of the first picture, therefore, convergence cannot be adjusted by this pic- Crosshatch pattern.
Page 20
b) 60 Hz mode (NTSC) ..Correcting point: Horizontal 8 x Vertical 7 (Arrow marks denote correcting point) The first picture The second picture Data display Cursor (red) Screen center (Blinking) The first picture During this period, the changed data is transferred from RAM Q701 to E PROM Q711, and saved.
SCREEN AND MIRROR ALIGNMENTS ASSEMBLING AND MOUNTING OF FRONT SCREEN * Please refer to MECHANICAL DISASSEMBLY page 30. CLEANING OF LENS AND MIRROR CAUTION : Do not hold the optical system parts (lens and mirror) with bare hand to avoid finger-prints on the surface of those parts.
CIRCUIT CHECKS HIGH VOLTAGE CHECK CAUTION: There is no HIGH VOLTAGE ADJUSTMENT on this chassis. Checking should be done following the steps below. 1. Connect an accurate high voltage meter to the anode of the picture tube. 2. Turn on the receiver. Set the BRIGHTNESS and CONTRAST to minimum (zero beam current). 3.
CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 43" HIGH VOLTAGE AT ZERO BEAM: 31.9 kV MAX HIGH VOLTAGE: 32.5 kV AC VOLTAGE 110~240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE: Item Adjustment Reference data Item Adjustment...
LOCATION OF CONTROLS (Representative: 43A9UE) Front * Volume + - POWER switch Menu item adjust Y ON-timer indicator (green) Power indicator (red) * Channel position st Menu item select MENU MENU MENU Input source selection Remote sensor Back WOOFER output terminal and EXT./INT.
Page 26
Remote Controller CALL F (quick operation) (Power on/standby) CALL index, initial Number buttons (0—9) 1 or 2 digit selection Input source selection Picture menu Sound menu Selectable picture Selectable sound Teletext Channel position st Menu st Sound mute Menu MENU Volume –...
PROGRAMMING CHANNEL MEMORY • First, use the ASM (Automatic Search Memory) function to preset all the active channels in your area automatically. Then, arrange the preset channels with the MANUAL SEARCH (SEARCH or >>>), MFT (Manual Fine Tuning) and SKIP functions so that you can tune into only desired channels. •...
Page 28
• Use the MANUAL SEARCH (SEARCH or >>>) function if desired channels cannot be preset with the ASM or if you would like to preset channels to specific position numbers one by one. • It is convenient to set the channel numbers to the same position numbers using MANUAL SEARCH (SEARCH or >>>) and SKIP functions.
CC : Carbon Composition : Metal Film OMF : Oxide Metal Film : Variable Resistor : Fusible Resistor (All CD and PF capacitors are ±5%, 50V and all resistors, ±5%, 1/6W unless otherwise noted.) Models :43A9UE, 43A9UA Location Location Location Location Location Location...
Page 32
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description C464 24095900 PLASTIC FILM, 100V 3.3UF K...
Page 33
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description C765 24214472 CERAMIC DISK CK45 B 500V 4700PF K...
Page 34
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description C7755 24667101 ELECTROLYTIC, 25V 100UF M 3A...
Page 35
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description CS08 24206229 ELECTROLYTIC, 50V 2.2UF M 7L 3A...
Page 36
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description R414 24019259 FUSIBLE, 1/4W 27 OHM G...
Page 37
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description R693 24011102 CHIP, METAL FILM, 1/20W 1K OHM J...
Page 38
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description R913 24942102 CARBON COMPOSITION, 1/2W 1K OHM J...
Page 39
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description R7202 24011223 CHIP, METAL FILM, 1/20W 22K OHM J...
Page 40
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description R7854 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J...
Page 41
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description RB09 24366470 CARBON FILM, 1/6W 47 OHM J...
Page 42
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description RS32 24011104 CHIP, METAL FILM, 1/20W 100K OHM J...
Page 43
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description L4401 23289470 COIL, PEAKING, TRF4470AF...
Page 44
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Q723 23114817 TRANSISTOR, VCEO=-80V TO92...
Page 45
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Q3103 23205112 TRANSISTOR, 2SA1980UF-Y( D210...
Page 46
Location Location Location Location Location Location Location Location Location Location Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description Parts No. Parts No. Parts No. Parts No. Parts No. Description Description Description Description Description D760 23118041 DIODE, MA111...
Page 47
CONNECTOR, PLUG, 2P 11.88MM W BB20B 23903022 CONNECTOR, BASE B-B 8P 2.5 JST VT-JST BB20C 23368627 CONNECTOR, BRIDGE B-B 8P 2.5JST * P801 23372023 POWER CORD, UK (43A9UE) 08TM-2.5FJ-E * P801 23372026 POWER CORD (43A9UA) BB21A 23713013 BASE SOCKET 16P 1.5 PF01...
Page 56
SCHEMATIC DIAGRAM MODEL : 43A9UE / 43A9UA 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.
SPECIFICATION Representative: 43A9UE Rated voltage g 110 V – 240 V, 50/60 Hz Power consumption Approx. 160 W (at g 220 V, 50 Hz) Dimensions 943.5 mm × 510 mm × 1287 mm (Width × Depth × Height) Mass 59.5 kg...
Page 61
SCHEMATIC DIAGRAM MODEL : 43A9UE / 43A9UA 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.
Page 92
COLOUR TELEVISION A9PJ Chassis 43A9UE , 43A9UA – SUMMARY – This supplement is covers the added circuit of schematic diagram for above models. Use this service manual together with the original service manual 43A9UE, 43A9UA (File No. 040- 200104). Nov., 2001...
Page 93
SCHEMATIC DIAGRAM MODEL : 43A9UE / 43A9UA 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.
Page 96
A9PJ Chassis 61A9UM , 61A9UR – SUMMARY – 61A9UM, 61A9UR are the same as 43A9UE except for the parts tabled on back of this sheet. Use this service manual together with the original service manual of 43A9UE, 43A9UA (File No. 040-200104).
Page 98
A9PJ Chassis 43A9UM , 43A9UR – SUMMARY – 43A9UM, 43A9UR are the same as 43A9UE except for the parts tabled on back of this sheet. Use this service manual together with the original service manual of 43A9UE, 43A9UA (File No. 040-200104).
Page 100
61A9UE , 61A9UA – SUMMARY – 61A9UE, 61A9UA are the same as 43A9UE except for the parts and Convergence adustment and Mechanical disassembly tabled on back of this sheet. Use this service manual together with the service manual of 43A9UE,43A9UA (File No. 040- 200104).
Page 101
CONVERGENCE ADJUSTMENT 4. ADJUSTING PICTURE DIMENSION (GREEN PICTURE) (61") 1. 50 Hz mode (PAL) Screen Center Adjusting 310.5 Position 164.5 Screen Center 164.5 310.5 12×A 216.5 72.2 72.2 216.5 61 Inches 4:3 Screen size : Horizontal 1240 mm, Vertical 930 mm A: 103 mm, B: 50.7 mm mark : Center 2.
Page 105
A9PJ Chassis 50A9UM , 50A9UR – SUMMARY – 50A9UM, 50A9UR are the same as 43A9UE except for the parts tabled on back of this sheet. Use this service manual together with the original service manual of 43A9UE, 43A9UA (File No. 040-200104).
Need help?
Do you have a question about the 43A9UE and is the answer not in the manual?
Questions and answers