Panasonic TX-25A1DP Скачать руководство пользователя страница 1

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Safety

Block Diagram(Video)

PCB view(B)

Block Diagram(Control)

PCB view(E)

Parts List

Specifications

Service Information

PCB view(K)

PCB view(M)

PCB view(Y)

Block Diagram (Dolby)

PCB view(A)

Adjustments

Service Hints

Mechanical View

A Schematic

B Schematic

E Schematic

Self Check

Disassembly

Waveforms

Location of Controls

Service Manual

Colour Television EURO 2 Chassis

TX-25A1DP TX-29AD1DP

Notes

Service Support

About....

K Schematic

M Schematic

Y Schematic

EXIT

GO BACK

Block Diagram(Audio)

Содержание TX-25A1DP

Страница 1: ... PCB view Y Block Diagram Dolby PCB view A Adjustments Service Hints Mechanical View A Schematic B Schematic E Schematic Self Check Disassembly Waveforms Location of Controls Service Manual Colour Television EURO 2 Chassis TX 25A1DP TX 29AD1DP Notes Service Support About K Schematic M Schematic Y Schematic EXIT GO BACK Block Diagram Audio ...

Страница 2: ...W AV2 OUT Video 21 pin 1 Vp p 75W Audio 21 pin 500mV rms 1kW Selectable output 21 pin AV3 IN S Video IN Y 1 Vp p 75W 4 pin C 0 3 Vp p 75W Audio RCA x 2 500mV rms 10kW Video RCA x 1 1 Vp p 75W High Voltage 31kV _1kV at zero beam current Picture Tube 68cmV 59 cmV Super Flat FST 110 measured diagonally Audio Output Internal Speaker 2 x 20 W Music Power 8W Impedance External Speaker 2 x 10W Front Musi...

Страница 3: ...ter between the jumpered 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 return path to the chassis the reading should be between 4M ohm and 20M ohm When the exposed metal does not have a return path to the chassis the reading must be infinite Leakage Current Hot Check 1 Plug the AC cord d...

Страница 4: ...Location Of Controls Service Hints How to remove the rear cover 1 Remove the 8 fixing screws A as shown in Fig 3 Fig 4 ...

Страница 5: ...d to its original position before returning the receiver to the customer How to Remove the A Board 1 Disconnect the four leads from the A board 2 Release the A board securing brackets by pushing the clips in the direction shown in Fig 5 and remove the A board by gently lifting vertically 3 After servicing ensure all wiring is returned to its original position before returning the receiver to the c...

Страница 6: ...y pull the chassis toward you 2 Release the respective wiring clips and turn the chassis through 90_ anti clockwise as shown in fig 7 3 Clip the chassis onto the support bracket as shown in fig 7 and fig 8 4 After servicing ensure all wiring is returned to its original position before returning the receiver to the customer ...

Страница 7: ...ldering Fig 11 5 Fit the extension leads to the A board making sure that the A board does not touch the E board fig 12 6 After servicing ensure all wiring is returned to its original position before returning the receiver to the customer Note The extension lead wire kit is supplied as a service kit Part number TZS2EP001 Service Position for the K Board A A 1 Remove the two screws A indicated in fi...

Страница 8: ...onnector then this will be able to accept the memory pack 2 Go into the Service Mode as explained above The screen will show 3 Press the blue button on the remote control The screen will show 4 Press the STORE button on the TV The screen will show 5 All the tuning information stored inside the TV will now be transferred to the Memory Pack This process will take 2 3 minutes to complete and when fin...

Страница 9: ...12 12 0 5V KU28 29 5 2V RF AGC 1 Receive a test pattern 2 Connect an oscilloscope between the tuner RF AGC and ground 3 Set the oscilloscope gain range to 1V div 1 Check that the noise becomes large when the RF AGC VR P4701 is turned counterclockwise After the check turn it clockwise 2 Gradually turn the RF AGC VR anti clockwise and set the RF AGC VR to the point where the RF AGC voltage is just f...

Страница 10: ...m comp TRAPEZ 1 144 TRAPEZ 1 060 Optimum setting 12 Trapezium comp TRAPEZ 2 034 TRAPEZ 056 Optimum setting 13 Colour VCO Colour VCO 034 Colour VCO 034 Pree either Blue or Yellow buttons to effect automatic adjustment 14 Cut off DC Cut off DC 028 Cut off DC 028 Not to be adjusted 15 Ug2 Test Ug 2 Test 040 007 010 Ug 2 Test 040 007 010 To adjust the screen settings Turn P3362 until a colour reaches ...

Страница 11: ...WAVEFORM PATTERN TABLE ...

Страница 12: ...SSOR I1351 8V REG I1011 AV SWITCHING I1111 AV SWITCHING I1601 5V REG I2651 COMB FILTER CONTROL I2601 COMB FILTER I4700 IF PROCESSOR I4071 12V REG I611 PSU CONTROL I646 9V REG I661 12V REG I466 AUDIO OUTPUT I561 VERTICAL OUTPUT TUNER T6101 D6101 HEADPHONE AMP Q674 Y PCB Q526 DRIVER Q543 LINE OUTPUT FBT D547 D557 2 4 V 150V 200V 27V 5V 15V 5VSB 20V 9V CLOCK 4 DATA CLOCK 1 5VSB 9V 15V 5V 9V 12V 12V 1...

Страница 13: ...606 AMP I2601 COMB FILTER Q2651 BUFFER Q2653 BUFFER I2651 Q2611 BUFFER Q2607 Q2605 AMP Q1653 BUFFER Q1651 AMP Q1656 AMP Q1643 BUFFER Q1641 AMP Q1646 AMP Q1633 BUFFER Q1631 AMP Q1636 AMP Q3162 Q3164 Q3166 Q3169 Q3391 Q3393 DRIVE Q3394 Q3397 OUTPUT AMP Q3172 Q3174 Q3176 Q3179 Q3381 Q3383 DRIVE Q3384 Q3387 OUTPUT AMP Q3182 Q3184 Q3186 Q3189 Q3371 Q3373 DRIVE Q3374 Q3377 OUTPUT AMP RESISTOR MATRIX Q31...

Страница 14: ...6 BUFFER Q1496 BUFFER I466 AUDIO OUTPUT AMP I1301 AUDIO MIXER DEMODULATOR VOLUME BASS TREBLE CONTROL AV1 AV2 Q1091 MUTE Q1071 MUTE Q1382 MUTE Q1466 BUFFER Q1476 BUFFER AV3 Q6443 Q6447 AMP Q6413 Q6417 AMP Q6403 MUTE Q6433 MUTE Q498 MUTE Q496 MUTE Q497 MUTE Q1812 BUFFER Q494 MUTE Q463 MUTE I1011 AV SWITCHING ...

Страница 15: ... 6 1 1 19 20 17 18 8 9 IC701 1 IC7004 IC7014 IC7007 IC7009 IC7006 Lin Rin IC7013 Surround IC7012 Front R Front L Centre Q7004 Q7005 I7001 I7003 I7002 I7000 T7000 BRIDGE RECT I7017 1 2 1 2 W7004 240 V IN 240 V OU T 1 3 1 3 2 3 9 12V 5V 5V W7006 5V LINE 5V LINE 12V LINE DOLBY BOARD BLOCK SIGNAL LINE ...

Страница 16: ...s the Audio signal path Indicates the Vertical Horizontal signal path 8 This schematic diagram is the latest at the time of printing and is subject to change without notice Precautions a Do not touch the hot part or the hot and cold parts at the same time as you are liable to a shock hazard b Do not short circuit the hot and cold circuits as electrical components may be damaged c Do not connect an...

Страница 17: ...PARTS LOCATION 14 19 NOTE 1 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 20 21 22 ...

Страница 18: ...CEA1HFS470 ELECT 50V 47mF C623 222236516224 FILM 160V 220nF C626 ECKC3D471JB CERAMIC 2KV 470pF C628 ECKC1H221J CERAMIC 50V 220pF C629 ECQB1H153K FILM 50V 15nF C631 ECQB1H472J FILM 50V 4 7nF C632 ECQB1H103J FILM 50V 10nF C634 ECEA1HGE010 ELECT 50V 1mF C636 ECKC2H472J CERAMIC 500V 4 7nF C637 ECQB1H222J FILM 50V 2200mF C638 ECQF6333JZH FILM 630V 33nF C639 ECKCWS152MEJ CERAMIC 500V 1500mF C647 2222365...

Страница 19: ...838 ECUV1H101JCX S M CAP 50V 100pF C1843 ECUV1H472KBX S M CAP 50V 4 7nF C1845 ECUV1H560JCX S M CAP 50V 56pF C1849 ECEA1HU4R7 ELECT 50V 4 7mF C1851 ECUV1H470JCX S M CAP 50V 47pF C1852 ECUV1H390JCX S M CAP 50V 39pF C1853 ECUV1H390JCX S M CAP 50V 39pF C1857 ECUV1H560JCX S M CAP 50V 56pF C1859 ECUV1H560JCX S M CAP 50V 56pF C1871 ECUV1H103KBX S M CAP 50V 10nF C1879 ECUV1H560JCX S M CAP 50V 56pF C1888 E...

Страница 20: ...UV1H152KBX S M CAP 50V 1 5pF C7066 ECUV1H333KBX S M CAP 50V 33pF C7067 ECUV1H562KBX S M CAP 50V 5 6pF C7068 ECEA1CU101 ELECT 16V 100mF C7069 ECUV1H300JCX S M CAP 50V 30mF C7070 ECEA1CU101 ELECT 16V 100mF C7071 ECEA1HN010 ELECT 50V 1mF C7072 ECUV1H333KBX S M CAP 50V 33pF C7073 ECUV1H101JCX S M CAP 50V 100pF C7074 ECEA1CU470 ELECT 16V 47mF C7075 ECEA1CU470 ELECT 16V 47mF C7076 ECUV1H392KBX S M CAP 5...

Страница 21: ...R I4702 TSA5514AT C2 A F C CONTROL I6101 AN78L05TA 5V REGULATOR I6301 RPM 637CBRS1 LED RECEIVER I7000 STR10006 M SWITCHABLE POWER SUPPLY I7001 L78M12MRB 12V REGULATOR I7002 AN79M12LB1 12V REGULATOR I7003 L78M05MRB 5V REGULATOR I7004 HEF4066BT T SWITCHING I C I7005 51832AFL10EL STATIC RAM I7006 HEF4066BT T SWITCHING I C I7007 HEF4066BT T SWITCHING I C I7008 YSS215 F DOLBY PROCESSOR I7009 AN6554NSF ...

Страница 22: ...IL L1413 ELEV6R8KA COIL L1601 ELEV4R7KA COIL L1606 EXCELDR35V COIL L1611 ELEV4R7KA COIL L1614 EXCELDR35V COIL L1619 EXCELDR35V COIL L1622 ELEV4R7KA COIL L1634 EXCEMT101BT COIL L1644 EXCEMT101BT COIL L1652 ELEV4R7KA COIL L1654 EXCEMT101BT COIL L1687 ELEMV1R5MA COIL L1691 EXCEMT101BT COIL L1692 EXCEMT101BT COIL L1693 EXCEMT101BT COIL L1694 EXCEMT101BT COIL L1701 ELEV4R7KA COIL L1714 EXCELDR35V COIL ...

Страница 23: ...1 METAL 0 25W 1 1K8W R573 ERO25CKF1801 METAL 0 25W 1 1K8W R592 ERD25TJ103 CARBON 0 25W 5 10KW R593 ERD25TJ103 CARBON 0 25W 5 10KW R598 ERD25TJ102 CARBON 0 25W 5 1KW R613 ERF10ZK5R6 WIRE 10W 5 5R6W R614 ERDS1TJ394 CARBON 0 5W 5 390KW R616 ERC12GK154D SOLID 0 5W 5 150KW R619 232266296706 THERMISTOR R621 ERG2FJ183 METAL 0 5W 5 18KW R622 ERDS1TJ394 CARBON 0 5W 5 390KW R623 ERD25TJ472 CARBON 0 25W 5 4K...

Страница 24: ...4K7W R1809 ERJ6GEYJ472 S M CARB 0 1W 5 4K7W R1811 ERJ6GEYJ101 S M CARB 0 1W 5 100W R1812 ERJ6GEYJ472 S M CARB 0 1W 5 4K7W R1815 ERJ6GEYJ101 S M CARB 0 1W 5 100W R1816 ERJ6GEYJ473 S M CARB 0 1W 5 47KW R1819 ERJ6GEYJ472 S M CARB 0 1W 5 4K7W R1821 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R1822 ERJ6GEYJ392 S M CARB 0 1W 5 3K9W R1823 ERJ6GEYJ472 S M CARB 0 1W 5 4K7W R1824 ERJ6GEYJ473 S M CARB 0 1W 5 47KW R1825 ...

Страница 25: ...10KW R6113 ERJ6GEYJ472 S M CARB 0 1W 5 4K7W R6114 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R6301 ERJ6GEYJ101 S M CARB 0 1W 5 100W R6302 ERJ6GEYJ101 S M CARB 0 1W 5 100W R6305 ERJ6GEY0R00 WIRE LINK R6401 ERD25TJ220 CARBON 0 25W 5 22W R6402 ERD25TJ220 CARBON 0 25W 5 22W R6403 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R6404 ERJ6GEY0R00 WIRE LINK R6405 ERJ6GEY0R00 WIRE LINK R6406 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R6407 ER...

Страница 26: ...7147 ERJ6GEYJ563 S M CARB 0 1W 5 56KW R7148 ERJ6GEYJ103 S M CARB 0 1W 5 10KW R7149 ERJ6GEYJ103 S M CARB 0 1W 5 10KW R7150 ERJ6GEYJ272 S M CARB 0 1W 5 2K7W R7151 ERJ6GEYJ103 S M CARB 0 1W 5 10KW R7152 ERJ6GEYJ222 S M CARB 0 1W 5 2K2W R7153 ERJ6GEYJ471 S M CARB 0 1W 5 470W R7154 ERJ6GEYJ471 S M CARB 0 1W 5 470W R7155 ERJ6GEYJ101 S M CARB 0 1W 5 100W R7156 ERJ6GEYJ101 S M CARB 0 1W 5 100W R7157 ERJ6G...

Страница 27: ... P C B 16 EAGG1201C2 SPEAKER TMW8E016 CONTROL BRACKET TPC8E4469 OUTER CARTON TS 2770 TV STAND PKN1 TMX8E005 CHASSIS FRAME TKP8E1113 FRONT PANEL LEFT TKP8E1125 PANEL CAPACITORS C201 ECEA1CU330 ELECT 16V 33mF C534 ECWH12H392J CAPACITOR C537 ECQF4393JZH CAPACITOR C539 ECKC3D681J CERAMIC 2KV 680pF C541 ECWF2H824J CAPACITOR C567 ECQB1H333J FILM 50V 33nF C578 222236576104 FILM 760V 100nF C591 ECEA1HGE4R...

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