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Panasonic TX-34P180RB, Service Manual, Page: 5 / 50

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Panasonic TX-34P180RB Service Manual Download Page 5

1.5. GP21 Chassis Block Diagram

 SDA

 SCL

 RGB 

In

CVBS Out

Video In

MON Out

 CVBS 

In

VCTP

Audio

Amp.

Audio

Amp.

VCTP

PVP

DDP

CRT

Board

defl.coil

CRT

T

uner

GP21 BLOCK DIAGRAM

AV

Audio

In

15V

 

(Audio Amp)

15V

 

10.5V

 

6.5V

 

137V

 

10.5V 

(H-Drive Circuit)

9V

3.3V 

standby

1.8V 

standby

6.5V 

(G-Board)

5V

13.3V

137V

Switching

Transformer

Primary

Live

Circuit

MON

Audio

Out

Audio

Out

Audio Amp

(Woofer)

left speaker

right speaker

woofer

option line

Indication

option device

RGB Out

reg

reg

reg

reg

Q865

RGB Out

Vert

H Out

H-Output

EEPROM

RGB Out

CVBS In

Vertical

Output

RGB In

5

TX-34P180RB- / MIDDLE EAST

Summary of Contents for TX-34P180RB

Page 1: ...PAL B AUST 13 57 PAL D K 2006 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TX 34P180RB MIDDLE EAST GP21 Chassis 13 62 NTSC M Japan 14 69 NTSC M U S A CATV S1 S20 OSCAR 1 125 U S A CATV C13 C49 JAPAN S21 S41 HYPER Z1 Z37 CHINA 4A 9A AUST Receiving Stereo System NICAM I NICAM B G NICAM D A2 German Tuning System Frequency synthe...

Page 2: ...GB Input High DENSITY D sub 15 pin Remote Control Transmitter R6 AA Battery x 2 Dimensions W D H 75 Ω coaxial aerial plug 899 mm x 567 mm x 674 9 mm Weight Mass 65 kg Net Note Design and Specifications are subject to change without notice Weight and Dimensions shown are approximate 4 DEFLECTION ADJUSTMENT 13 4 1 V DEFLECTION ADJUSTMENT CONFIRMATION 4 3 MODE 16 9 MODE for wide models 13 4 2 H DEFLE...

Page 3: ...exposed to shock hazards 1 2 Leakage Current Cold Check 1 Unplug the AC cord and connect a jumper between the two prongs on the plug 2 Turn on the receiver s power switch 3 Measure the resistance value with an ohmmeter between the jumper AC plug and each exposed metallic cabinet part on the receiver such as screw heads aerials connectors control shafts etc When the exposed metallic part has a retu...

Page 4: ... It is important to use an accurate periodically calibrated high voltage meter 1 Set the brightness to minimum 2 Measure the High Voltage The meter reading should indicate 32 5 1 kV If the meter indication is out of tolerance immediate service and correction is required to prevent the possibility of premature component failure 3 To prevent the possibility of X Radiation it is essential to use the ...

Page 5: ...io Amp 15V 10 5V 6 5V 137V 10 5V H Drive Circuit 9V 3 3V standby 1 8V standby 6 5V G Board 5V 13 3V 137V Switching Transformer Primary Live Circuit MON Audio Out Audio Out Audio Amp Woofer left speaker right speaker woofer option line Indication option device RGB Out reg reg reg reg Q865 RGB Out Vert H Out H Output EEPROM RGB Out CVBS In Vertical Output RGB In 5 TX 34P180RB MIDDLE EAST ...

Page 6: ...ring is returned to its original position before returning the receiver to the customer 2 3 HOTEL MODE Purpose 1 At Hotels this Mode prevents the customer from changing the TV preset data such as Channel preset data Note This Mode is useful for Hotels You should not get into Hotel mode with Normal use Operation 1 To get into Hotel Mode press the remote control Recall button and Channel Up key on t...

Page 7: ...he setting at the level before entering the mode However other functions will be disabled 3 To exit this mode exit Off Timer mode and the Volume Down key simultaneously This information is informed by Service Manual only 7 TX 34P180RB MIDDLE EAST ...

Page 8: ...t contrast and brightness minimum Adjustment procedure 1 Check the EHT voltage is 30 5 1 0 kV 2 Switch from AV mode to TV 3 With the Brightness and the contrast controls MAX check that the high voltage does not drop more than 3 0kV from the above measurement with R F signal 3 3 SUB CONTRAST Item preparation 1 Receive PAL colour bar pattern 2 Connect oscilloscope to A21 pin 3 3 Set controls BRT CEN...

Page 9: ...magnets are top position VRS Mag Set VRS Mg that 2 magnets are horizontal position Set geomagnetic correction DAC 0 2 ADJUSTMENT Receive the white balance pattern Adjust V CENTER Set R B CUT OFF to minimum and set G CUT OFF to center Receive the aging pattern Set 2 magnet of vertical position to up and down equally so that center part of CRT Fig 2 9 TX 34P180RB MIDDLE EAST ...

Page 10: ...MIC Normal and adjust BRIGHT DAC until gray portion of cross hatch d Set DY to CRT not to tilt Up and Down and Left and Right 3 ADJUSTMENT a Static Convergence Adjustment a Make sure that magnets are positioned shown in Fig 1 b Adjust 4 pole magnets Fig 1 to align center dots of R and B and adjust 6 pole magnets to align center dots to G c After adjustment secure magnets with magnet lock of white ...

Page 11: ...T OFF ADJUSTMENT 1 Adjust Level incicatedby turning sreen VR 1 to CUT OFF ADJUSTMENT 3 7 4 SUB CONTRAST CONFIRMATION 1 Receive a Colour Bar e 2 2 Set Picture Menu Dynamic Set Normalize Press N Colour Brightness Minimum 3 Connect the oscilloscope toGreen Video Line connector L2 Pin 3 TPL7 4 Measure the Sub Contrast and conform the value againts the Model Specification 3 8 WHITE BALANCE Item prepara...

Page 12: ...Y axis indicates 0 255 0 003 C Adjust B DRIVE so that X axis indicates 0 255 0 003 3 9 Focus Preparation 1 Receive crosshatch pattern E 4 2 Picture menu DYNAMIC NORMAL Adjustment 1 Adjust focus VR F2 for best position at vertical line no 6 as point of adjustment Figure 1 2 Adjust DAF VR F1 for best position at horizontal line no A as point of adjustment Figure1 3 Repeat strep 1 and 2 untill optimu...

Page 13: ...P so that A B Fig 2 is 2 0 0 1 120i V AMP ADJUSTMENT 1 Receive NTSC monoscope pattern US13 Scan mode 100Hz 2 Adjust V AMP so that A B Fig 2 is 2 0 0 1 50p V AMP ADJUSTMENT 1 Receive PAL monoscope pattern E11 Scan mode PROGRESSIVE 2 Adjust V AMP so that A B Fig 2 is 2 0 0 1 60p V AMP ADJUSTMENT 1 Receive NTSC monoscope pattern US13 Scan mode AUTO 2 Adjust V AMP so that A B Fig 2 is 2 0 0 1 525p V A...

Page 14: ...pe pattern E11 2 Set scan mode to progressive 3 Adjust H AMP so that both edges A B are within 2 5 60p H AMP ADJUSTMENT 1 Receive NTSC monoscope pattern US 13 2 Set scan mode to Auto 3 Adjust H AMP so that both edges A B are within 2 5 525p H AMP ADJUSTMENT 1 Receive monoscope pattern at 525p 60Hz YUV input 2 Adjust H AMP so that both edges A B are within 2 5 625p H AMP ADJUSTMENT 1 Receive monosc...

Page 15: ...15 TX 34P180RB MIDDLE EAST ...

Page 16: ... straight line of bothside vertical line in Fig 4a by Trapez 4 Confirmation of EW at the corner side if need adjust Upper Corner and Lower Corner as Fig 4b NOTE Judgement of EW adjustment should be based at the 2nd vertical line from left and right of crosshatch pattern For 34 ONLY Judgement of EW adjustment should be based at between 1st and 2nd vertical line from left and right of crosshatch pat...

Page 17: ...at A B in the fig 7 is 6 0cm 1 0cm 5 Set the scan mode to PROGRESSIVE 6 Confirm that A B in the fig 7 is 6 0cm 1 0cm 4 5 2 V AMP CONFIRMATION 120i 60p 1 Receive NTSC monoscope patern US 13 2 Set scan mode to 100Hz 3 Confirm that A B in the Fig 7 is 6 0cm 1 0cm 4 Set scan mode to AUTO 5 Confirm that A B in the Fig 7 is 6 0cm 1 0cm 4 5 3 V AMP CONFIRMATION 525p 625p 1 Receive monoscope pattern at 52...

Page 18: ...m that A B in the fig 8 is 7 0 cm 1cm 4 6 2 V AMP CONFIRMATION 1125i 50Hz 1 Receive ITE monoscope pattern at 1125i 50Hz YUV input 2 Confirm that A B in the fig 8 is 7 0 cm 1cm 4 6 3 V AMP CONFIRMATION 1250i 50Hz 1 Receive ITE monoscope pattern at 1250i 50Hz YUV input 2 Confirm that A B in the fig 8 is 7 0 cm 1cm 18 TX 34P180RB MIDDLE EAST ...

Page 19: ...4 7 TABLE 1 19 TX 34P180RB MIDDLE EAST ...

Page 20: ...5 CONDUCTOR VIEWS 5 1 D Board 20 TX 34P180RB MIDDLE EAST ...

Page 21: ...6 SCHEMATIC DIAGRAMS 6 1 SCHEMATIC DIAGRAM NOTES 21 TX 34P180RB MIDDLE EAST ...

Page 22: ...22 TX 34P180RB MIDDLE EAST ...

Page 23: ...6 2 D BOARD 6 2 1 D BOARD 1 5 1A 2A 3A 4A 5A 6A 7A 8A 9A 23 TX 34P180RB MIDDLE EAST ...

Page 24: ...6 2 2 D BOARD 2 5 1B 3B 2B 4B 5B 6B 7B 8B 9B 1A 2A 3A 4A 5A 6A 7A 8A 9A 24 TX 34P180RB MIDDLE EAST ...

Page 25: ...6 2 3 D BOARD 3 5 1C 3C 2C 4C 5C 6C 7C 8C 1B 3B 2B 4B 5B 6B 7B 8B 9B 25 TX 34P180RB MIDDLE EAST ...

Page 26: ...6 2 4 D BOARD 4 5 1D 3D 2D 4D 5D 6D 7D 8D 9D 1C 3C 2C 4C 5C 6C 7C 8C 26 TX 34P180RB MIDDLE EAST ...

Page 27: ...6 2 5 D BOARD 5 5 1D 3D 2D 4D 5D 6D 7D 8D 9D 27 TX 34P180RB MIDDLE EAST ...

Page 28: ...6 3 L BOARD 6 3 1 L BOARD 1 4 1A 2A 3A 4A 5A 6A 7A 8A 9A 28 TX 34P180RB MIDDLE EAST ...

Page 29: ...6 3 2 L BOARD 2 4 1B 2B 3B 4B 5B 6B 7B 8B 9B 1A 2A 3A 4A 5A 6A 7A 8A 9A 29 TX 34P180RB MIDDLE EAST ...

Page 30: ...6 3 3 L BOARD 3 4 1C 2C 3C 4C 5C 1B 2B 3B 4B 5B 6B 7B 8B 9B 30 TX 34P180RB MIDDLE EAST ...

Page 31: ...6 3 4 L BOARD 4 4 1C 2C 3C 4C 5C 31 TX 34P180RB MIDDLE EAST ...

Page 32: ...6 4 A BOARD 6 4 1 A BOARD 1 5 1A 2A 3A 4A 5A 6A 7A 8A 9A 32 TX 34P180RB MIDDLE EAST ...

Page 33: ...6 4 2 A BOARD 2 5 1B 2B 3B 4B 5B 6B 7B 8B 9B 1A 2A 3A 4A 5A 6A 7A 8A 9A 33 TX 34P180RB MIDDLE EAST ...

Page 34: ...6 4 3 A BOARD 3 5 1B 2B 3B 4B 5B 6B 7B 8B 9B 1C 2C 3C 4C 5C 6C 7C 8C 9C 34 TX 34P180RB MIDDLE EAST ...

Page 35: ...6 4 4 A BOARD 4 5 1D 2D 3D 4D 5D 6D 7D 8D 9D 1C 2C 3C 4C 5C 6C 7C 8C 9C 35 TX 34P180RB MIDDLE EAST ...

Page 36: ...6 4 5 A BOARD 5 5 1D 2D 3D 4D 5D 6D 7D 8D 9D 36 TX 34P180RB MIDDLE EAST ...

Page 37: ...6 5 G BOARD 6 5 1 G BOARD 1 3 1A 2A 3A 4A 5A 6A 7A 37 TX 34P180RB MIDDLE EAST ...

Page 38: ...6 5 2 G BOARD 2 3 1B 2B 3B 4B 5B 1A 2A 3A 4A 5A 6A 7A 38 TX 34P180RB MIDDLE EAST ...

Page 39: ...6 5 3 G BOARD 3 3 1B 2B 3B 4B 5B 39 TX 34P180RB MIDDLE EAST ...

Page 40: ...7 PARTS LOCATION 40 TX 34P180RB MIDDLE EAST ...

Page 41: ...8 1 Replacement Parts List Notes 8 REPLACEMENT PARTS LIST 41 TX 34P180RB MIDDLE EAST ...

Page 42: ...1UF Z 25V C1132 ECJ2VF1E104Z C 0 1UF Z 25V C1133 F2A1C1000079 C 10UF J 16V C1134 F2A1C101A310 E 100UF 16V C1135 ECJ2VF1E104Z C 0 1UF Z 25V C1136 ECJ2VF1E104Z C 0 1UF Z 25V C1140 ECJ2VF1E104Z C 0 1UF Z 25V C1141 ECJ2VF1E104Z C 0 1UF Z 25V C1142 ECJ2VF1E104Z C 0 1UF Z 25V C1143 ECJ2VF1E104Z C 0 1UF Z 25V C1144 ECJ1VC1H101J C 100PF J 50V C1145 ECUX1H220JCX C 22PF J 50V C1146 ECUX1H220JCX C 22PF J 50V...

Page 43: ...560PF K 50V C3122 ECJ2VC1H561K C 560PF K 50V C3141 ECJ2VC1H561K C 560PF K 50V C3142 ECJ2VC1H561K C 560PF K 50V Ref No Part No Part Name Description Remarks C3205 ECA1CM101B E 100UF 16V C3206 ECA1CM101B E 100UF 16V C3210 F1J1H103A590 C 0 01UF 50V C3215 F2A1H470A343 E 47UF 50V C3216 F2A1H470A343 E 47UF 50V C351 ECJ2VC1H120J C 12PF J 50V C352 ECJ2VF1H104Z C 0 1UF Z 50V C353 ECUX1H104KBX C 0 1UF K 50V...

Page 44: ...104Z C 0 1UF Z 50V C895 ECQB1H153JF P 0 015UF J 50V C901 F2A1C101A310 E 100UF 100V C902 ECJ2VF1H103Z C 0 01UF Z 50V C904 F1J1H472A590 C 4700PF 50V C905 F2A2C2200010 E 22UF 160V C906 F2A2C2200010 E 22UF 160V C907 F2A2C2200010 E 22UF 160V C908 ECQM4472JZ P 4700PF J 400V DIODES D1050 B3AGA0000089 DIODE D1051 B0BA8R200028 ZENER DIODE Ref No Part No Part Name Description Remarks D1052 B0BA5R700019 ZENE...

Page 45: ...C0DBAZG00034 IC POWER SUPPLY IC863 C0DBAZG00034 IC POWER SUPPLY IC870 C0EAS0000024 IC IC871 C0DAEJG00001 IC POWER SUPPLY IC873 C0DAEJG00001 IC POWER SUPPLY IC874 C0DAEJG00001 IC POWER SUPPLY COILS L101 J0JKA0000038 BEAD CORE L103 J0JKA0000038 BEAD CORE L104 J0JKB0000034 EMI FILTER L1050 G0C331KA0073 PEAKING COIL L107 G0C100KA0065 PEAKING COIL L1110 ELJFC4R7KFB CHIP INDUCTOR L1130 ELJFC4R7KFB CHIP ...

Page 46: ...6GEYJ103 M 10KOHM J 1 10W R1003 ERJ6GEYJ103 M 10KOHM J 1 10W R1004 ERJ6GEYJ101 M 100OHM J 1 10W R1005 ERJ6GEYJ103 M 10KOHM J 1 10W R1020 ERJ6GEYJ102 M 1KOHM J 1 10W R1021 ERJ6GEYJ151 M 150OHM J 1 10W R1022 ERJ6GEY0R00 M 0OHM J 1 10W R103 ERDS2TJ101 C 100OHM J 1 4W R104 ERDS2TJ102 C 1KOHM J 1 4W R105 ERDS2TJ102 C 1KOHM J 1 4W R1050 ERJ6GEYJ121 M 120OHM J 1 10W R1051 ERJ6GEYJ472 M 4 7KOHM J 1 10W R1...

Page 47: ...R00 M 0OHM J 1 10W R1456 ERJ6GEY0R00 M 0OHM J 1 10W R1457 ERJ3GEY0R00 M 0OHM J 1 16W Ref No Part No Part Name Description Remarks R1458 ERJ6GEY0R00 M 0OHM J 1 10W R1459 ERJ6GEY0R00 M 0OHM J 1 10W R1460 ERJ6GEY0R00 M 0OHM J 1 10W R1504 ERJ6GEY0R00 M 0OHM J 1 10W R1505 ERJ6GEY0R00 M 0OHM J 1 10W R1506 ERJ6GEY0R00 M 0OHM J 1 10W R1507 ERJ6GEY0R00 M 0OHM J 1 10W R1508 ERJ6GEY0R00 M 0OHM J 1 10W R1509 ...

Page 48: ...0R00 M 0OHM J 1 10W R2302 ERX1SZJR18E M 0 18OHM J 1W R2306 ERJ6GEY0R00 M 0OHM J 1 10W R2307 ERJ6GEY0R00 M 0OHM J 1 10W Ref No Part No Part Name Description Remarks R2308 ERJ6GEY0R00 M 0OHM J 1 10W R2317 ERJ6GEYJ132 M 1 3KOHM J 1 10W R2318 ERG2FJS101E M 100OHM J 2W R2325 D0AE2R2JA046 C 2 2OHM J 1 10W R2326 D0AE2R2JA046 C 2 2OHM J 1 10W R2328 D0AE2R2JA046 C 2 2OHM J 1 10W R2329 ERJ6GEYJ2R2 M 2 2OHM ...

Page 49: ...J 1 4W R521 ERG2FJS123D M 12KOHM J 2W R522 ERDS2TJ101 C 100OHM J 1 4W R523 ERDS2TJ103 C 10KOHM J 1 4W Ref No Part No Part Name Description Remarks R524 ERDS2TJ103 C 10KOHM J 1 4W R525 ERDS2TJ102 C 1KOHM J 1 4W R526 ERC14GK184 S 180KOHM K 1 4W R527 ERC14GK224 S 220KOHM K 1 4W R530 ERDS2TJ101 C 100OHM J 1 4W R531 ERC14GK334 S 330KOHM K 1 4W R532 ERDS2TJ473 C 47KOHM J 1 4W R533 ERG5FJ821H M 820OHM J ...

Page 50: ...0 CONNECTOR D17 K1KA03AA0190 CONNECTOR D26 K1KA09AA0190 CONNECTOR D27 K1KA09AA0190 CONNECTOR D31 K1KA09AA0190 CONNECTOR F801 K5D502BLA016 FUSE FL1134 ELKE103FA NOISE FILTER FL1180 ELKE103FA NOISE FILTER FL1270 ELKE103FA NOISE FILTER FL1501 ELKE103FA NOISE FILTER FL1706 ELKE103FA NOISE FILTER FL1713 J0HAAB000012 EMI FILTER G14 K1KA04AA0190 CONNECTOR G16 K1KA05AA0190 CONNECTOR G26 K1KA09AA0190 CONNE...

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