LG CN14A30H Adjustment Instruction Download Page 7 | Manualshive

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Summary of Contents for CN14A30H

Page 1: ...1 2 Press SET UP buttons on the Remote control and the front panel of TV set at the same time to get into the adjustment mode 3 2 ATT input level adjustment Select ATT with CHANNEL button and adjust with VOLUME button until the voltage of JP at R620 is 1 414 _0 03Vp p 3 3 Stereo VCO ST Adjustment 1 Disconnect the Modulator and connect C1 and the frequency counter 2 Select ST VCO with CHANNEL butto...

Page 2: ...88 10000 _800 K 3 Adjust the CONTRAST and BRIGHT for 4 5FT 1 4 Select G BIAS for data Y and B BIAS for data X and adjust for Low Light condition X 282 Y 288 10000 _800 5 Repeat above 1 4 for good white balance 7 FOCUS Adjustment 1 Press the APC button on the Remote Control for APC ON condition 2 Adjust the FOCUS control on the FBT to obtain a sharp and clear picture 8 Sub Bright Adjustment 1 Input...

Page 3: ...mpletely forward 5 Reconnect the internal degaussing coil 6 Position the beam bender locking rings at the 9 o clock position and the other three pairs of tabs 2 4 and 6 pole magnets at the 12 o clock position 7 Perform the following steps in the order given to prepare the receiver for the purity adjustment procedure a Face the receiver in the magnetic north direction b Externally degauss the recei...

Page 4: ...nal degaussing coil 9 Turn on the receiver connect a signal generator to the VHF antenna terminal and apply a crosshatch signal Caution During the convergence adjustment procedure be very careful not to disturb the purity adjustment tabs are accidentally move purity should be confirmed before proceeding with the convergence adjustments Note Make sure the focus is set correctly on this instrument b...

Page 5: ... and blue horizontal lines Fig upper right 17 Temporarily place a rubber wedge at the 5 o clock and 7 o clock positions to hold the horizontal position of the yoke 18 Check the 3 o clock and 9 o clock areas to confirm that the red and blue vertical lines are converged If the lines are not converged slightly offset the horizontal tilt of the yoke move the temporary rubber wedges if necessary to equ...

Page 6: ...EXPLODED VIEW 102 170 150 153 913 511 103 310 500 400 943 523 350 320 330 340 300 912 120 112 600 501 502 121 12 ...

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Page 8: ...44 48 T402 FBT 1 3 40 34 6 21 23 28 LA7674 SMPS TRANS TX IC601 PRE AMP EEPROM 12V R Y B Y G Y 5V 24V 180V STR50092K PWR Q11 FBP FROM FBT H Vcc of IC501 AFT H V Z101 VIF SIF VCO AFT SHARP BRI COLOR TINT CONT PRE AMP Q102 SIF IN DET OUT SFE4 5 TPS4 5 SP AUDIO IN VIDEO IN 2 12 IC602 CPT 1 4 T403 Y TDA 2006 IC202 Q208 Q603 3 2 9 5 6 10 HT 24V 12V FBP B COL CPT TO IC1 TO CPT TO T403 CPT JA001 PCB 13 26...

Page 9: ...020V00051A BUTTON POWER 340 3550V00010A 3550V00008A COVER DUCT L 350 3550V00009A 3550V00007A COVER DUCT R 400 3809V00030C BACK COVER ASSY 3809V00024A 3809V00030A BACK COVER ASSY LGEPR 3809V00024A 3809V00030D BACK COVER ASSY LGECM 500 3141VMN105A 3141VMN068B CHASSIS ASSY MAIN NC 6HA MONO 3141VMN117A 3141VMN118A CHASSIS ASSY MAIN LGECM 501 450 C07A 450 C07A ADAPTER CONNECTING ANT 502 303 F62A 303 F6...

Page 10: ...DE 1S2471 DIODE RU2AMV DIODE 1S2471 DIODE 1S2471 DIODE 1S2471 LOCA NO PART NO DESCRIPTION D5 D505 D6 D7 D701 D702 D703 D704 D801 D802 D804 D805 D806 D807 D813 D814 D821 D823 ZD101 ZD102 ZD104 ZD301 ZD401 ZD402 ZD403 ZD501 ZD502 ZD503 ZD801 ZD802 ZD803 ZD805 C10 C100 C101 C102 C103 C104 C105 C106 C107 C108 C109 C11 C110 C111 C112 C113 C114 0DD247109AA 0DD060009AC 0DD247109AA 0DD247109AA 0DD247109AA...

Page 11: ...ECTROLYTIC 220UF STD 16V M C ELECTROLYTIC 4 7UF STD 50V M C ELECTROLYTIC 4 7UF STD 50V M C ELECTROLYTIC 22UF STD 50V M LOCA NO PART NO DESCRIPTION C412 C413 C414 C415 C416 C417 C418 C419 C420 C421 C422 C423 C444 C5 C501 C502 C503 C504 C505 C506 C507 C508 C509 C510 C511 C512 C513 C514 C515 C516 C517 C518 C521 C522 C523 C524 C540 C61 C62 C66 C67 C701 C702 C703 C704 C705 C706 C707 C708 C709 C710 C711...

Page 12: ... R 1217 INDUCTOR 270UH K INDUCTOR 2 2UH K INDUCTOR 2 2UH K LOCA NO PART NO DESCRIPTION L904 T401 T402 T801 FR301 FR401 FR402 FR403 FR501 FR803 FR820 FR828 FR932 J23 L1 L2 L3 R1 R10 R100 R101 R102 R103 R104 R105 R107 R108 R109 R11 R110 R111 R112 R113 R114 R115 R116 R117 R118 R119 R12 R120 R122 R123 R124 R125 R126 R128 R13 R130 R131 R14 R15 R16 0LA0221K119 151 C02B 154 375D 151 B06N 0RF0470H609 180 ...

Page 13: ...M 560 1 2W 5 R CARBON FILM 4 7K 1 6W 5 R CARBON FILM 1 0K 1 6W 5 R CARBON FILM 470 1 6W 5 LOCA NO PART NO DESCRIPTION R35 R36 R37 R38 R39 R4 R40 R401 R402 R403 R404 R405 R406 R407 R408 R409 R41 R410 R412 R413 R414 R415 R416 R417 R418 R419 R42 R420 R421 R43 R45 R46 R47 R48 R50 R501 R502 R503 R504 R505 R506 R51 R510 R511 R512 R513 R514 R516 R517 R518 R52 R520 R521 R522 R525 0RD2200F609 0RD2200F609 0...

Page 14: ... FILM OXIDE18 1W 5 R CARBON FILM 10K 1 2W 5 R CARBON FILM 5 6K 1 2W 5 R CARBON FILM 180 1 2W 5 R CARBON FILM 2 4K 1 6W 5 R CARBON FILM 820 1 6W 5 R METAL FILM OXIDE120 2W 5 R CARBON FILM 4 7K 1 6W 5 LOCA NO PART NO DESCRIPTION R815 R816 R817 R818 R821 R822 R826 R9 R901 R904 R905 R906 R908 R911 R913 R915 R916 R917 R918 R919 R920 R921 R922 SW1 SW2 SW3 SW4 SW5 SW6 SW7 F801 JA01 JA02 LD1 P802 PA01 RL8...

Page 15: ... BK ADAPTER ANT 300 TO 75 NTSC CONNECTOR ASSY POWER D4 0 W O EYELET LOCA NO PART NO DESCRIPTION C402 C412 C414 C904 C907 L401 T801 FR401 FR932 R211 R212 R421 R8 R906 R916 R921 JA02 181 033N 181 013D 181 015F 0CN3310K519 0CN3310K519 150 L01Z 151 B06N 180 D02M 180 D02M 0RD4302F609 0RD4302F609 0RD2201F609 0RD3902F609 0RD1000F609 0RD1000F609 0RD1000F609 6612VJV001A C DE1007 561K 2KV TP5 C MPP 200V 0 4...

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