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4.1.1. +B Voltage

Item / preparation

 1. Operate the TV set.
 2. Set control as follows :

Brightness ........... minimum
Contrast ............... minimum

Adjustment procedure

 1. Confirm the DC voltage at the indicated test points, as

follows :
TPA 15 : 3.35 ± 0.2V
TPA 16 : 141 ± 2V
TPA 17 : 8.2 ± 0.3V
TPA 18 : 1.9 ± 0.2V
TPA 19 : 5.2 ± 0.2V
TPA 20 : 220 ± 15V

 1. Set Bright and Contrast controls to their maximum

positions.

 2. Operate the TV set over 60 minutes.
 3. Full degauss the picture tube by using an external

degaussing coil. By rotating R-B static convergence
magnet.

4.1.2. High Voltage

Item / preparation

 1. Receive the crosshatch pattern.
 2. Set to 0 Beam.

Screen VR .......... minimum
Contrast .............. minimum

Adjustment procedure

 1. Connect a DC voltage meter to D866 and confirm the +B

voltage is 141.0 ± 2V.

 2. Connect a high frequency voltmeter to heater and confirm

that voltage reads 6.3 ± 0.28 (VRMS).

 3. Normalize the brightness and contrast.

4.1.3. NTSC TINT COLOUR

Item / preparation

 1. Connect oscilloscope probe to TPL1 (R OUT) with 10k

Ω

series resistor.

 2. Press Main Menu and set system to use AV-NTSC (3.58

MHz).
DYNAMIC ................... Normal
Channel CLR Set ..... STD

Adjustment procedure

 1. Adjust Sub-Tint so that No. 2, 3 and 4 becomes level

waveform is similar to Fig. 3.

 2. Confirm phase at Tint is changes more than ± 15 by Tint

control.

 3. Confirm that colour level is maximum when colour DAC is

adjusted to maximum position.

Note:

Use remote control only when adjusting user mode to

Sub-Tint.

 4. Apply a crosshatch pattern signal and adjust roughly the

static convergence magnets.

 5. Apply a green pattern signal.
 6. Loosen a clamp screw for the Deflection Yoke and move

the Deflection Yoke as close to the purity magnet as
possible.

4 Adjustment Procedure

4.1. Adjustment Procedure

4.2. COLOUR PURITY

7

TX-29EG20RU-IRAN

Содержание TX-29EG20RU-IRAN

Страница 1: ...AUST Intermediate Frequency 38 0 MHz 2006 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TX 29EG20RU IRAN GP41 Chassis Video 31 5 MHz D K 32 5 MHz B G 32 0 MHz I 32 5 MHz M Sound 33 57 MHz PAL Colour 33 6 MHz SECAM 34 42 MHz NTSC 33 75 MHz SECAM Video Audio Terminals DVD Y 1 0Vp p 75Ω PB 0 7Vp p 75Ω PR 0 7Vp p 75Ω AV1 2 3 Video...

Страница 2: ...ls OPTION data 1 3 6 4 Adjustment Procedure 7 4 1 Adjustment Procedure 7 Specifications are subject to change without notice Mass and dimensions shown are approximate 4 2 COLOUR PURITY 7 4 3 CONVERGENCE 8 4 4 WHITE BALANCE MARKET MODE CHK 4 9 4 5 ADJUSTMENT OF CRT VRS 10 5 Conductor Views 11 5 1 A Board 11 6 Schematic Diagrams 12 6 1 SCHEMATIC DIAGRAM FOR GP4 CHASSIS 12 6 2 A Board 14 6 3 L Board ...

Страница 3: ...hen the exposed metallic part has a return path to the chassis the reading should be between 4 MΩ Ω Ω Ω and 20 MΩ Ω Ω Ω When the exposed metal does not have a return path to the chassis the reading must be zero 1 3 Leakage Current Hot Check See Fig 1 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect a 2 kΩ 10 W resistor in series with an ex...

Страница 4: ...TCH G GEOMAGNETIC WOOFER AMP IC2401 PVP IC1801 R G B SCL SDA CVBS IN REAR INPUTS AV1 V L R AV 3 YUV V L R VCT IF IC601 V_IN CVBS OUT MON_OUT R G B R G B MON_OUT V L R EEPROM IC1101 VM SCL SDA A_IN IF H A AUDIO OUT V SPEAKER AUDIO AMP IC2301 V OUT H OUT TUNER FRONT INPUTS AV2 V L R PP 29 models PIP models 4 TX 29EG20RU IRAN ...

Страница 5: ...2 Service Hints 2 1 HOW TO MOVE CHASSIS INTO SERVICE POSITION 1 Remove 9 screws 2 Draw out Main Chassis 3 Stand the Main Chassis 5 TX 29EG20RU IRAN ...

Страница 6: ...tem 7 Normal remote exit service mode 11 ANGEL 128 127 12 BOW 128 127 13 DVCO 128 127 14 H POS 128 127 15 G CUT OFF N A 16 B CUT OFF 0 511 17 R DRIVE 0 511 18 G DRIVE 0 511 19 B DRIVE 0 511 20 SUB Bright 128 127 5 Volume decrement of selected item 6 OK remote store save selected item 7 Normal remote exit service mode NOTE Service mode 2 options bit refer to each model spec 3 Market Mode Function 3...

Страница 7: ...y voltmeter to heater and confirm that voltage reads 6 3 0 28 VRMS 3 Normalize the brightness and contrast 4 1 3 NTSC TINT COLOUR Item preparation 1 Connect oscilloscope probe to TPL1 R OUT with 10kΩ series resistor 2 Press Main Menu and set system to use AV NTSC 3 58 MHz DYNAMIC Normal Channel CLR Set STD Adjustment procedure 1 Adjust Sub Tint so that No 2 3 and 4 becomes level waveform is simila...

Страница 8: ...rosshatch pattern signal and set Contrast control to the maximum position 2 Adjust Bright control to obtain a clear pattern 3 Adjust Red and Blue line at center of the screen 4 Adjust Red and Blue with Green line at center of the screen by rotating RB G static convergence magnet 5 Lock convergence magnets with silicone sealer 6 Remove the DY wedges and slightly tilt the Deflection Yoke vertically ...

Страница 9: ... 4 Adjust the remaining R and B CUTOFF controls so as to get a white horizontal line on the screen 5 Return to full field SCAN by pushing the position 5 key on the remote control 6 Adjust the R Drive and B Drive controls as to obtain a uniform white on the white bar of the greyscale pattern 7 Confirm correct B W rendition and greyscale tracking or repeat CUTOFF and drive control setup Note Write d...

Страница 10: ...nets are top position VRS Mag Set VRS Mg that 2 magnets are horizontal position only 21 25 29 3 Set geomagnetic corection DAC AS IN TABLE 1 ADJUSTMENT 1 Receive the white balance pattern 2 Adjust V CENTER 3 Set R B CUT OFF to minimum and set G CUT OFF to center 4 Receive the aging pattern 5 Set 2 magnet of vertical position to up and down equally so that center part of CRT Fig 4 10 TX 29EG20RU IRA...

Страница 11: ...5 Conductor Views 5 1 A Board 11 TX 29EG20RU IRAN ...

Страница 12: ...6 Schematic Diagrams 6 1 SCHEMATIC DIAGRAM FOR GP4 CHASSIS 12 TX 29EG20RU IRAN ...

Страница 13: ...13 TX 29EG20RU IRAN ...

Страница 14: ...6 2 A Board 6 2 1 A Board 1 5 1A 2A 3A 4A 5A 6A 7A 8A 9A 14 TX 29EG20RU IRAN ...

Страница 15: ...6 2 2 A Board 2 5 1B 2B 3B 4B 5B 6B 7B 8B 9B 1A 2A 3A 4A 5A 6A 7A 8A 9A 15 TX 29EG20RU IRAN ...

Страница 16: ...6 2 3 A Board 3 5 1C 2C 3C 4C 5C 6C 7C 8C 9C 1B 2B 3B 4B 5B 6B 7B 8B 9B 16 TX 29EG20RU IRAN ...

Страница 17: ...6 2 4 A Board 4 5 1D 2D 3D 4D 5D 6D 8D 7D 9D 1C 2C 3C 4C 5C 6C 7C 8C 9C 17 TX 29EG20RU IRAN ...

Страница 18: ...6 2 5 A Board 5 5 1D 2D 3D 4D 5D 6D 8D 7D 9D 18 TX 29EG20RU IRAN ...

Страница 19: ...6 3 L Board 6 3 1 L Board 1 3 1A 2A 3A 4A 5A 6A 19 TX 29EG20RU IRAN ...

Страница 20: ...6 3 2 L Board 2 3 1B 2B 3B 4B 5B 6B 1A 2A 3A 4A 5A 6A 20 TX 29EG20RU IRAN ...

Страница 21: ...6 3 3 L Board 3 3 1B 2B 3B 4B 5B 6B 21 TX 29EG20RU IRAN ...

Страница 22: ...6 4 G Board 6 4 1 G Board 1 3 1A 2A 3A 4A 5A 6A 7A 22 TX 29EG20RU IRAN ...

Страница 23: ...6 4 2 G Board 2 3 1B 2B 3B 4B 5B 6B 7B 8B 1A 2A 3A 4A 5A 6A 7A 23 TX 29EG20RU IRAN ...

Страница 24: ...6 4 3 G Board 3 3 1B 2B 3B 4B 5B 6B 7B 8B 24 TX 29EG20RU IRAN ...

Страница 25: ...7 Parts Locations 25 TX 29EG20RU IRAN ...

Страница 26: ...8 1 Replacement Parts List Notes 8 Replacement Parts List 26 TX 29EG20RU IRAN ...

Страница 27: ...W Ref No Part No Part Name Description Remarks C3155 F1J1H103A590 C 0 01UF J 50V C3156 F2A1C101A244 E 100UF 16V C3157 F2A1C101A310 E 100UF 16V C3163 F2A1C101A310 E 100UF 16V C3164 F2A1C101A310 E 100UF 16V C3166 ECJ1VF1C105Z E 1UF 16V C3169 ECJ1VF1C105Z E 1UF 16V C355 F0C2E334A092 P 0 33UF 250V C356 ECJ1VC1H102J C 1000PF J 50V C360 ECKW3D102KBP C 1000PF K 2KV C362 ECEA1CN100U E 10UF 16V C363 F2A1C3...

Страница 28: ... 50V C898 ECJ1VF1C105Z C 1UF 16V C904 F1B1H103A013 C 0 01UF 50V C912 ECJ1VF1H104Z C 0 1UF Z 50V C952 F2A1H100A317 E 10UF 50V C953 F1B1H103A013 C 0 01UF 50V C958 F2A2C4700020 E 47UF 160V C959 F1B2H1030028 C 0 01UF 500V C960 F1A2H151A035 C 150UF 500V C961 F2A2A100A060 E 10UF 100V C962 F1B2H1030028 C 0 01UF 500V C963 F1A2H151A035 C 150PF 500V C964 ECA1CHG101 E 100UF 16V Ref No Part No Part Name Descr...

Страница 29: ...OR Q501 2SC4212H TRANSISTOR Q520 B1ADBM000004 TRANSISTOR Q551 2SC6073000LK TRANSISTOR Q601 B1ABCE000015 TRANSISTOR Q603 B1ABCE000015 TRANSISTOR Q604 B1ABCE000015 TRANSISTOR Q605 B1ABCE000015 TRANSISTOR Q608 B1ABCE000015 TRANSISTOR Q610 B1ADDF000005 TRANSISTOR Q701 B1DFDM000012 TRANSISTOR Q702 B1ABCE000015 TRANSISTOR Q703 B1ABCE000015 TRANSISTOR Q846 B1ABCF000176 TRANSISTOR Q850 B1BCCM000002 TRANSI...

Страница 30: ...YJ243 M 24KOHM J 1 16W R501 ERJ3GEYJ273 M 27KOHM J 1 16W R502 ERJ3GEYJ103 M 10KOHM J 1 16W R504 ERG2SJS332H M 3 3KOHM J 2W Ref No Part No Part Name Description Remarks R507 ERDS2TJ561 C 560OHM J 1 4W R508 ERG3FJ821H M 820OHM J 3W R509 ERG3FJ122 M 1 2KOHM J 3W R511 ERJ3EKF1152 F 11 5KOHM J 1 10W R512 ERJ3EKF1002 M 10KOHM F 1 16W R513 ERQ14AJ100E F 10OHM J 1 4W R516 ERX12SJR56P M 0 56OHM 1 2W R517 E...

Страница 31: ... R978 ERJ3GEYJ101 M 100OHM J 1 16W R984 ERC14GK100 S 10OHM J 2W TRANSFORMERS T551 ZTFP14504A FLYBACK TRANS T553 ETH19Y210BZ H DRIVE TRANS T801 ETS39AG4A6AC SWITCHING TRANS OTHERS A1 K1KA08AA0659 CONNECTOR A13 K1KA08AA0659 CONNECTOR Ref No Part No Part Name Description Remarks A17 K1KA06AA0659 CONNECTOR A18 K1KA08AA0659 CONNECTOR A2 K1KA08AA0659 CONNECTOR A6 K1KA06AA0659 CONNECTOR A8 K1KA04AA0093 C...

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