Page 2 - CONTENTS
- 2 - CONTENTS Contents ................................................................................................................. 2 Safety Precautions ............................................................................................3 Specifications ...................................
Page 3 - SAFETY PRECAUTIONS; General Guidance; Before returning the receiver to the customer,; Leakage Current Cold Check(Antenna Cold Check); Leakage Current Hot Check circuit; IMPORTANT SAFETY NOTICE
- 3 - SAFETY PRECAUTIONS Many electrical and mechanical parts in this chassis have special safety-related characteristics. These parts are identified by inthe Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components as ...
Page 4 - SPECIFICATIONS
- 4 - SPECIFICATIONS Note : Specification and others are subject to change without notice for improvement. O Video input system: PAL-B/G, D/K, I/ISECAM-B/G, D/K/L/L’NTSC M NTSC 4.43(AV)NTSC- M/PAL M-N O Intermediate Frequency (Unit : MHz) VISION IF : 38.9MHz,33.9MHz(SECAM-L’)COLOR IF : 34.47MHz(4.43...
Page 5 - DESCRIPTION OF CONTROLS; Remote control handset
- 5 - DESCRIPTION OF CONTROLS All the functions can be controlled with the remote control handset.Some functions can also be adjusted with the buttons on the frontpanel of the set. Remote control handset Before you use the remote control handset, please install the bat-teries. See the next page. 1. ...
Page 6 - Battery installation
- 6 - 14. OK accepts your selection or displays the current mode. 15. LIST displays the programme table. 16. EYE/ * (option) switches the eye function on or off. 17. SLEEP sets the sleep timer. 18. Q.VIEW returns to the previously viewed programme.selects a favorite programme. 19. PIP BUTTONS (optio...
Page 7 - switches the set on or off.; REMOTE CONTROL SENSOR
- 7 - 1. MAIN POWER switches the set on or off. 2. POWER/STANDBY INDICATOR illuminates brightly when the set is instandby mode.dims when the set is switched on. 3. MENU selects a menu. 4. OK accepts your selection or displays thecurrent mode. 5. D D / E E (Programme Up/Down) selects a programme or a...
Page 8 - DISASSEMBLY INSTRUCTIONS; Important note; CPT Removal; PICTURE TUBE HANDLING CAUTION
- 8 - Fig. 2-1 Fig. 2-2 CPTPCB RemoveScrews MAINPCB DISASSEMBLY INSTRUCTIONS Important note This set is disconnected from the power supply through theconverter transformer. An isolating transformer is necessaryfor service operations on the primary side of the convertertransformer. Back Cabinet Remov...
Page 9 - Safety Precautions; Test Equipment required; ADJUSTMENT INSTRUCTIONS; Menu
- 9 - 1. Safety Precautions 1. It is safe to adjust after using insulating transformer between the power supply line and chassis input to prevent the risk ofelectric shock and protect the instrument. 2. Never disconnect leads while the TV receiver is on.3. Don't short any portion of circuits while p...
Page 10 - NOTE : How to enter into the Line Service Mode with a remocon.; -1. Preparation for Deflection Adjustment; N O T E : I f p r o d u c t i o n l i n e d o e s n ’ t t h e p r o d u c t i o n l i n e o f L G
- 10 - 6. Deflection Data Adjustment (Line SVC-2) NOTE : How to enter into the Line Service Mode with a remocon. 1.Power off. 2.Press the Red button.3.Press the Green button.4.Press the Yellow button.5.Press the Cyan button.6.Press the OK button.7.Power On. 6-1. Preparation for Deflection Adjustment...
Page 16 - BLOCK DIAGRAM; II
BLOCK DIAGRAM - 16 - MAIN SPEAKERMAIN SPEAKER L R L R TUNER -1 MAIN TUNER -2 FOR PIP (W/O PIP Option) A V -1 A V -2 A V -3 Y&C A V -1 A V -2 SIF AF(SECAM L) CXACXA -- 20402040 A V A V SWITCHSWITCH H/P OUT SDASDA -- 9489X9489X PIP Processor PIP -CVBS SCAR T -1 RGB & FB SELECTED CVBS FOR PIP Y...
Page 17 - ST
- 17 - 1 1 1 10 V(Flat) 120V (Normal) 12 V 12 33 V 14 16 18 17 V Sound Vcc (35V OPT .) 8 V 278 R05 LD3.3V KA78A09 78 L05 TDA -7297 Sound AMP H -DRIVE FBT PRE -AMP EEPROM LED TDA6109 MSP -34XX (Sound Processor) 7805 T uner (Main) VCT3834 LD3.3V TDA - 2006 (Mono Opt.) SDA -9489X (PIP Processor) CXA -2...
Page 18 - TROUBLE SHOOTING
TROUBLE SHOOTING - 18 - RF - STEREO Selected correct systemIn menu Check the waveform At pin 17 of TU101 Check the waveformAt pin 24,25 of IC661 Check the waveformAt pin 4,12 of IC602 Check the Voltage At pin 6, 7 of IC602 Check the waveform At pin 1, 2, 14, 15 of IC602 Check the Voltage At pin 3,13...
Page 22 - EXPLODED VIEW
- 22 - EXPLODED VIEW 913 170 150 112 510 943 400 174 520 330 320 120 300 121 310 104 530 700
Page 23 - EXPLODED VIEW PARTS LIST
- 23 - EXPLODED VIEW PARTS LIST LOCA. NO PART NO DESCRIPTIONS 104 343-B52A SUPPORTER,PCB 112 6341V29009A CPT ASSEMBLY,A68QCU759X ,5006C DY S-FOCUS 6334V29003A CPT 6334V29003B CPT 120 120-C77G SPEAKER,FULLRANGE C122P02K1459 MOTOR JOY 8 OHM 10/15W 121 4810V00088A BRACKET,SPEAKER 150 6140VC2005F COIL,D...
Page 24 - REPLACEMENT PARTS LIST; IC
- 24 - REPLACEMENT PARTS LIST LOCA. NO PART NO DESCRIPTION “ D803 “ D804 “ D815 “ D857 “ D858 “ D860 D861 “ D862 D863 “ D864 “ D865 D866 “ D867 “ D901 D902 D903 D904 D920 “ DB801 LD01 ZD101 ZD102 ZD121 ZD302 ZD303 ZD401 ZD402 “ ZD501 ZD601 ZD610 ZD910 ZD911 ZD912 Q06 Q103 Q108 Q110 Q111 Q112 Q180 Q1...
Page 25 - CAPACITOR
- 25 - LOCA. NO PART NO DESCRIPTION Q183 Q184 Q185 Q186 Q187 Q201 Q202 Q301 Q302 Q303 Q401 Q402 Q505 Q506 Q507 Q508 Q509 Q621 Q671 Q672 Q806 Q807 Q853 Q855 Q856 Q856 Q901 QP01 QP02 QP03 QP04 QP05 C01 C02 C03 C04 C06 C07 C08 C10 “ C102 C103 C104 C105 C106 C107 C108 C109 C11 C110 “ C111 C114 0TR534309...
Page 27 - CONNECTOR
- 27 - LOCA. NO PART NO DESCRIPTION C860 C861 C862 C862 C864 C865 C867 C868 C871 C872 C873 C874 C874 C880 C901 C902 C903 C904 C920 C921 C922 C923 C924 C925 C926 C927 C928 C929 C930 CP08 CP09 CP10 CP101 CP104 CP105 CP106 CP108 CP109 CP11 CP112 CP12 CP13 CP21 CP22 CP25 CP26 CP27 CP29 CP30 CP32 CP33 J1...
Page 28 - RESISTOR
- 28 - LOCA. NO PART NO DESCRIPTION P802B P901 P903 P920 PP501 F851 F853 F854 F855 FR402 FR403 FR406 FR406 FR413 FR901 J128 J130 J137 J148 J149 J151 J163 J167 J170 J175 J192 J207 J210 J215 J216 J317 J318 R01 R02 R06 R06 R07 R08 R09 R10 R102 R103 R104 R11 R110 R111 R116 R119 R12 R123 R126 R126 R127 R...
Page 32 - PRINTED CIRCUIT BOARD
COMPONENT LOCATION GUIDE C01 ..........B4C02 ..........B4C03 ..........B4C04 ..........B4C06 ..........E1C07 ..........B4C08 ..........B4C10 ..........B3C11 ..........B3C14 ..........B4C16 ..........B4C17 ..........B4C22 ..........B4C23 ..........C4C24 ..........C4C25 ..........C4C27 ..........B4C28...