Panasonic CT-F2156WLC, Service Manual

Page 1: ...CAM Video Audio Terminals DVD 2006 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law CT F2156WLC GP41 Chassis Y 1 0 Vp p 75Ω PB 0 7 Vp p 75Ω PR 0 7 Vp p 75Ω AV 1 2 3 Video in 1 0 Vp p 75Ω Audio in Approx 0 5V 47KΩ Audio Amp AUDIO L R 0 5VRMS PHONE JACK TYPE x 2 High Voltage 27 5 1 5 at zero beam current Picture Tube A51LYZ295X Typ...

Page 2: ... 3 Service Mode 1 Function 6 3 4 Service Mode 2 Controls OPTION data 1 3 6 4 Adjustment Procedure 7 4 1 Adjustment Procedure 7 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 6 Schematic Diagrams 12 6 1 SCHEMATIC DIAGRAM FOR GP41 CHASSIS 12 6 2 A Board 14 6 3 L Board 19 6 4 G Board 22 7 Parts Locations 25 8 Replacement P...

Page 3: ...c When 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...

Page 4: ...WITCH 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 CT F2156WLC ...

Page 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 CT F2156WLC ...

Page 6: ... item 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...

Page 7: ...just 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 7 Adjust the purity magnet so that a vertical green field is obtained at the center of the screen 4 1 3 NTSC TINT COLOUR Item preparation 1 Connect oscilloscope probe to TPL1 R OUT with 10kΩ series resistor ...

Page 8: ... 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 7 Fix the Deflection Yoke by re inserting the DY wedges 8 If purity error is found repeat Colour Purity adjustment 8 CT F2156WLC ...

Page 9: ...ure 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 Writ...

Page 10: ... Mg Set Pur Mg that 2magnets are top position VRS Mag Set VRS Mg that 2magnets are horizontal position 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 2 10 CT F2156WLC ...

Page 11: ...5 Conductor Views 11 CT F2156WLC ...

Page 12: ...6 Schematic Diagrams 6 1 SCHEMATIC DIAGRAM FOR GP41 CHASSIS 12 CT F2156WLC ...

Page 13: ...13 CT F2156WLC ...

Page 14: ...6 2 A Board 6 2 1 A Board 1 5 1A 2A 3A 4A 5A 6A 7A 8A 9A 14 CT F2156WLC ...

Page 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 CT F2156WLC ...

Page 16: ...6 2 3 A Board 3 5 1B 2B 3B 4B 5B 6B 7B 8B 9B 1C 2C 3C 4C 5C 6C 7C 8C 9C 16 CT F2156WLC ...

Page 17: ...6 2 4 A Board 4 5 1C 2C 3C 4C 5C 6C 7C 8C 9C 1D 2D 3D 4D 5D 6D 7D 8D 9D 17 CT F2156WLC ...

Page 18: ...6 2 5 A Board 5 5 1D 2D 3D 4D 5D 6D 7D 8D 9D 18 CT F2156WLC ...

Page 19: ...6 3 L Board 6 3 1 L Board 1 3 1A 2A 3A 4A 5A 6A 7A 8A 9A 19 CT F2156WLC ...

Page 20: ...6 3 2 L Board 2 3 1B 2B 3B 4B 1A 2A 3A 4A 5A 6A 7A 8A 9A 20 CT F2156WLC ...

Page 21: ...6 3 3 L Board 3 3 1B 2B 3B 4B 21 CT F2156WLC ...

Page 22: ...6 4 G Board 6 4 1 G Board 1 3 1A 2A 3A 4A 5A 6A 7A 8A 22 CT F2156WLC ...

Page 23: ...6 4 2 G Board 2 3 1B 2B 3B 4B 5B 1A 2A 3A 4A 5A 6A 7A 8A 23 CT F2156WLC ...

Page 24: ...6 4 3 G Board 3 3 1B 2B 3B 4B 5B 24 CT F2156WLC ...

Page 25: ...7 Parts Locations 25 CT F2156WLC ...

Page 26: ...8 1 Replacement Parts List Notes 8 Replacement Parts List 26 CT F2156WLC ...

Page 27: ...1C105Z C 10UF Z 16V C303 ECJ2VB1C104K C 0 1UF K 16V C305 F2A1C4710045 E 470UF 16V C306 D0GB240JA008 F 24 J 1 16V C307 D0GB240JA008 F 24 J 1 16V C308 D0GB240JA008 F 24 J 1 16V C3150 F2A1H2R2A118 E 2 2UF 50V C3151 F2A1H2R2A118 E 2 2UF 50V C3184 ERJ3GEY0R00 M 0OHM J 1 16W C3185 ERJ3GEY0R00 M 0OHM J 1 16W C3186 ECJ1VB1H222K C 2200PF K 50V C3187 ECJ1VB1H222K C 2200PF K 50V C350 ECA1CM101B E 100UF 16V C...

Page 28: ...0004 DIODE D507 B0ACCK000005 DIODE D511 MA4108J DIODE D512 B0HAJL000003 DIODE D513 B0HAMP000090 DIODE D515 B0HAMP000090 DIODE D520 B0ACDJ000009 DIODE D552 EU02 DIODE D556 ERB06 15 DIODE D557 B0HAMR000095 DIODE Ref No Part No Part Name Description Remarks D558 MA185 DIODE D601 B0ADDJ000025 DIODE D610 MAZ80560HL DIODE D670 MA2S72800L DIODE D671 MA2S72800L DIODE D683 MA2S72800L DIODE D684 MA2S72800L ...

Page 29: ...Name Description Remarks R1201 ERJ3GEYJ102 M 1KOHM J 1 16W R1202 ERJ3GEYJ102 M 1KOHM J 1 16W R1228 ERJ3GEYJ101 M 100OHM J 1 16W R1229 ERJ3GEYJ101 M 100OHM J 1 16W R2112 ERJ3GEYJ102 M 1KOHM J 1 16W R2114 ERJ3GEYJ104 M 100KOHM J 1 16W R2302 ERX2FJSR33E M 0 33OHM J 2W R2317 D0GB622JA008 F 6 2KOHM J 1 16W R2318 D0AE1R0JA046 C 1OHM J 1 16W R2319 D0AE1R0JA046 C 1OHM J 1 16W R2401 ERJ3GEYJ222 M 2 2KOHM J...

Page 30: ...J 1 16W R825 ERJ3GEYJ471 M 470OHM J 1 16W R827 ERJ3GEYJ153 M 15KOHM J 1 16W R829 ERJ3EKF3092 F 30 9KOHM 1 8W R830 ERDS2TJ221 C 220OHM J 1 4W R831 ERDS2TJ392 C 3 9KOHM J 1 4W Ref No Part No Part Name Description Remarks R832 ERJ3EKF4022 M 40 2KOHM J 1 10W R833 ERDS2TJ472 C 4 7KOHM J 1 4W R834 ERG2FJ683H M 68KOHM J 2W R836 ERG1SJ330P M 33OHM J 1W R837 ERDS2TJ222 C 2 2KOHM J 1 4W R839 ERJ3GEYJ472 M 4...

Page 31: ...JS632 ERJ3GEY0R00 M 0OHM J 1 16W JS633 ERJ3GEY0R00 M 0OHM J 1 16W JS634 ERJ3GEY0R00 M 0OHM J 1 16W JS670 ERJ3GEY0R00 M 0OHM J 1 16W JS850 ERJ3GEY0R00 M 0OHM J 1 16W JSG3142 ERJ3GEY0R00 M 0OHM J 1 16W JSG3147 ERJ3GEY0R00 M 0OHM J 1 16W JSG3148 ERJ3GEY0R00 M 0OHM J 1 16W JSG3165 ERJ3GEY0R00 M 0OHM J 1 16W JSG3167 ERJ3GEY0R00 M 0OHM J 1 16W JSG835 ERJ3GEY0R00 M 0OHM J 1 16W JSG894 ERJ3GEY0R00 M 0OHM ...