Panasonic TX-W28D2F/P Service Manual Download Page 4

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Location Of Controls

SERVICE HINTS

How to remove the rear cover

Remove the 10 screws (A) as shown in Fig.3/Fig.4.

Fig.2

R639

FOCUS

SCREEN

LUMINANCE LEVEL

Fig.3.

SCREWS (A)

SCREW

Fig.4

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Summary of Contents for TX-W28D2F/P

Page 1: ...ents Service Hints Mechanical View B Schematic D Schematic E Schematic Self Check Disassembly Waveforms Location of Controls Service Manual Colour Television EURO 3HW Chassis TX W32D2F P TX W28D2F P Notes Service Support About F G Schematics H Schematic M Schematic EXIT Y Schematic GO BACK PCB view G T F G B T B T B All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...21 pin AV1 OUT Video 21 pin 1 Vp p 75W Audio 21 pin 500 mV rms 1kW AV2 IN Video 21 pin 1 Vp p 75W Audio 21 pin 500 mV rms 10 kW S Video IN Y 1 Vp p 75W 21 pin C 0 3 Vp p 75W AV2 OUT Video 21 pin 1 Vp p 75W Audio 21 pin 500 mV 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 2 500 mV rms 10kW Video RCA x 1 1 Vp p 75W AV4 IN Video 21 pin 1 Vp p 75W Aud...

Page 3: ...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 directly into the AC outlet Do not use an isolation transformer for this ...

Page 4: ...Controls SERVICE HINTS How to remove the rear cover 1 Remove the 10 screws A as shown in Fig 3 Fig 4 Fig 2 R639 FOCUS SCREEN LUMINANCE LEVEL Fig 3 SCREWS A SCREW Fig 4 All manuals and user guides at all guides com ...

Page 5: ...e as explained above The screen will show 3 Press the blue button on the remote control The screen will show Program TV External 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 finished the screen will show Memory Pack to TV Process 1 Plug the...

Page 6: ...W AMP 1 020 Optimum setting EW amplitude E W AMP 2 015 Optimum setting Trapezium comp TRAPEZ 1 004 Optimum setting Vert DC VERT D C 008 Text Position TEXT POSITION 060 Optimum setting Cutoff Select a Greyscale pattern enter Service Mode and step through to Cutoff connect an oscilloscope to the Blue Cathode and adjust the screen VR of the FBT to get 150_5V at the base of the Cutoff pulse Cutoff RGB...

Page 7: ... Check mode press the Status button on the Remote Control at the same time pressing the v button on the customer controls at the front of the TV and the screen will show Hex codes F7 BB FB 1F 03 49 73 If the CCU ports have been checked and found to be incorrect or not located then will appear in place of 1 2 3 4 5 6 7 ok ok ok ok ok ok Test Byte Lst Power U5 Det Protector Not Used ok ok 0 Not Used...

Page 8: ...64mS IC 603 PIN 20 5mS IC 603 PIN 24 IC 603 PIN 22 5mS 5mS IC 1801 PIN 10 20mS IC 1803 PIN 12 20mS IC 1803 PIN 1 20mS IC 1841 PIN 10 5mS IC 371 PIN 3 IC 351 PIN 3 IC 361 PIN 3 20mS 20mS 20mS IC 1801 PIN 26 TPY1 TPY2 TPY3 5mS 5mS 5mS 5mS WAVEFORM PATTERN TABLE All manuals and user guides at all guides com ...

Page 9: ...ching H Board Mega Text IC3501 F Board Microcontroller IC1101 EPROM 21 Pin AV2 IC1105 IC2001 MSP3410 IC603 TDA4780 E Board F Board IC1601 DFU IC1602 SDA9280 IC1701 V Processor X1101 IIC Bus1 IIC Bus2 IIC Bus4 M3L CONTROL BLOCK DIAGRAM All manuals and user guides at all guides com ...

Page 10: ... Q909 1 3 L361 L371 L351 3 IC371 7 8 3 IC361 7 8 3 IC351 7 8 15 6 Teletext Processing MSP3410 IC2001 60 58 55 28 29 IC251 1 4 IC252 1 4 E15 7 1 To Speaker 52 53 25 26 33 34 5 4 2 1 Q2003 Q2004 5 4 2 1 Video SW Audio SW 13 14 17 8 6 2 3 1 4 21 9 10 12 11 5 20 6 2 3 1 19 6 18 7 15 16 2 3 1 6 AV4 E1 3 4 5 G1 3 5 6 E4 3 4 5 14 13 6 4 18 2 2 1 1 Y2 3 4 5 G2 IC2301 4 1 E24 1 To 3D Speaker M5 8 6 5 3 8 6...

Page 11: ...s 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 instrument such as an oscilloscope to the hot and cold circuits simultaneously as this may cause fuse failure Connect the earth of the in...

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Page 13: ...P 50V 680pF C101 ECUV1H104ZFX S M CAP 50V 100nF C106 ECUV1H104ZFX S M CAP 50V 100nF C108 ECUV1H104ZFX S M CAP 50V 100nF C109 ECUV1H104ZFX S M CAP 50V 100nF C111 ECUV1H103ZFX S M CAP 50V 10nF C113 ECUV1H393KBX S M CAP 50V 39nF C115 ECUV1H104ZFX S M CAP 50V 100nF C116 ECUV1H030CPX S M CAP 50V 30pF C117 ECUV1H070DTX S M CAP 50V 70pF C118 ECEA1CKA100 ELECT 16V 10mF C120 ECEA1HKA2R2 ELECT 50V 2 2mF C12...

Page 14: ...S M CAP 50V 100nF C606 ECUV1H104ZFX S M CAP 50V 100nF C608 ECUV1H104ZFX S M CAP 50V 100nF C609 ECUV1H180JCX S M CAP 50V 18pF C610 ECUV1H150JCX S M CAP 50V 15pF C611 ECUV1H104ZFX S M CAP 50V 100nF C612 ECUV1H332ZFX S M CAP 50V 3 3nF C613 ECUV1C474ZFX S M CAP 16V 0 47mF C614 ECUV1H332ZFX S M CAP 50V 3 3nF C615 ECUV1H104ZFX S M CAP 50V 100nF C616 ECUV1H104ZFX S M CAP 50V 100nF C617 ECA1CM220GB ELECT ...

Page 15: ...P 50V 10nF C1326 ECUV1H104ZFX S M CAP 50V 100nF C1327 ECUV1H104ZFX S M CAP 50V 100nF C1508 ECUV1H103KBX S M CAP 50V 10nF C1509 ECA1CM100GB ELECT 16V 10pF C1518 ECA1HM101GB ELECT 50V 100pF C1519 ECA1CM470GB ELECT 16V 47mF C1520 ECA1CM470GB ELECT 16V 47mF C1521 ECUV1H390JCX S M CAP 50V 39pF C1524 ECUV1H221JCX S M CAP 50V 220pF C1525 ECUV1H391JCX S M CAP 50V 390pF C1528 ECUV1H390JCX S M CAP 50V 39pF ...

Page 16: ...V 100nF C1882 ECA1AM470GB ELECT 10V 47pF C1887 ECA1HM101GB ELECT 50V 100pF C1888 ECUV1H104ZFX S M CAP 50V 100nF C1891 ECUV1H332KBX S M CAP 50V 3 3nF C1892 ECUV1C104KBX S M CAP 16V 0 10mF C1894 ECA1AM470GB ELECT 10V 47pF C1895 ECA1AM470GB ELECT 10V 47pF C1896 ECUV1H104ZFX S M CAP 50V 100nF C1897 ECA1AM330GB ELECT 10V 33pF C1901 ECQM1H474J FILM 50V 470nF C1902 ECQM1H474J FILM 50V 470nF C1903 ECA1EM4...

Page 17: ...M CAP 50V 560pF C3168 ECUV1H561JCX S M CAP 50V 560pF C3169 ECUV1H102JCX S M CAP 50V 1nF C3173 ECA1HMR47GB ELECT 50V 0 47mF C3175 ECUV1H561JCX S M CAP 50V 560pF C3177 ECUV1H561JCX S M CAP 50V 560pF C3180 ECA1HMR47GB ELECT 50V 0 47mF C3181 ERJ6GEY0R00 S M CARB 0 1W 5 0W C3182 ECUV1H102JCX S M CAP 50V 1nF C3183 ERJ6GEY0R00 S M CARB 0 1W 5 0W C3184 ECUV1H473KBX S M CAP 50V 47nF C3185 ERJ6GEY0R00 S M C...

Page 18: ...S 80745AL Z RESET IC1103 MN1280R RESET IC1301 SAA4961 COMB FILTER IC1551 SN74F04DR CLOCK IC1552 SDA9257 CLOCK GENERATOR IC1581 SDA9205 2GEG A D CONVERTER IC1601 UPD93213GF DFU IC1602 SDA9280GEG VISUAL PROCESSOR IC1701 MB87D202A VIDEO PROCESSOR IC1721 SDA9251 2XGE RAM IC1722 SDA9251 2XGE RAM IC1723 SDA9251 2XGE RAM IC1724 SDA9251 2XGE RAM IC1725 SDA9251 2XGE RAM IC1726 SDA9251 2XGE RAM IC1727 SDA92...

Page 19: ...2 ELKTR391CA DELAY LINE LC1603 ELKTR391CA DELAY LINE LC1606 ELKTR391CA DELAY LINE LC1607 ELKTR391CA DELAY LINE LC1609 ELKTR560BA DELAY LINE LC1854 ELKTR391CA DELAY LINE L002 TLT047K991R COIL L004 TLT047K991R COIL L005 TLT047K991R COIL L102 TLT056K991R COIL L103 EQV7EN203B COIL L105 ELESNR22MA COIL L107 ELESNR22MA COIL L108 ELESNR22MA COIL L109 EIL7EN015Q COIL L110 EQL7EN022Q COIL L113 EIL7EN015Q C...

Page 20: ...Q851 BC547B TRANSISTOR Q852 BC547B TRANSISTOR Q1101 BC847B TRANSISTOR OR 2SD601ATX Q1102 BC847B TRANSISTOR OR 2SD601ATX Q1103 BC847B TRANSISTOR OR 2SD601ATX Q1106 BC847B TRANSISTOR OR 2SD601ATX Q1107 BC847B TRANSISTOR OR 2SD601ATX Q1108 BC847B TRANSISTOR OR 2SD601ATX Q1112 2SC3757QRTX TRANSISTOR Q1191 BC847B TRANSISTOR OR 2SD601ATX Q1301 BC847B TRANSISTOR OR 2SD601ATX Q1303 BC847B TRANSISTOR OR 2S...

Page 21: ...CARB 0 1W 5 15KW R402 ERJ6GEYJ332 S M CARB 0 1W 5 3K3W R403 ERJ6GEYJ392 S M CARB 0 1W 5 3K9W R406 ERJ6GEYJ393 S M CARB 0 1W 5 39KW R407 ERJ6GEYJ101 S M CARB 0 1W 5 100W R408 ERJ6GEYJ101 S M CARB 0 1W 5 100W R409 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R410 ERJ6GEYJ100 S M CARB 0 1W 5 10W R411 ERJ6GEYJ123 S M CARB 0 1W 5 12KW R412 ERJ6GEYJ103 S M CARB 0 1W 5 10KW R451 ERJ6GEYJ302 S M CARB 0 1W 5 3K0W R452 ...

Page 22: ...ERX2SJR22 RESISTOR 2W 5 R22W R824 ERX2SJR22 RESISTOR 2W 5 R22W R825 ERX2SJR22 RESISTOR 2W 5 R22W R827 ERDS1FJ100 CARBON 0 5W 5 10W R828 ERD25TJ103 CARBON 0 25W 5 10KW R829 ERD25TJ471 CARBON 0 25W 5 470W R831 ERD75TAJ825 CARBON 0 75W 5 8M2W R832 ERG1SJ331 METAL 1W 5 330W R835 ERD25TJ220 CARBON 0 25W 5 22W R836 ERD25TJ100 CARBON 0 25W 5 10W R837 ERD25TJ153 CARBON 0 25W 5 15KW R838 ERD25TJ102 CARBON ...

Page 23: ... 5 100W R1561 ERJ6GEYJ101 S M CARB 0 1W 5 100W R1562 ERJ6GEYJ101 S M CARB 0 1W 5 100W R1563 ERJ6GEYJ180 S M CARB 0 1W 5 18W R1568 ERJ6GEYJ221 S M CARB 0 1W 5 220W R1570 ERJ6GEYJ331 S M CARB 0 1W 5 330W R1572 ERJ6GEYJ561 S M CARB 0 1W 5 560W R1575 ERJ6GEYJ391 S M CARB 0 1W 5 390W R1576 ERJ6GEYJ821 S M CARB 0 1W 5 820W R1577 ERJ6GEYJ750 S M CARB 0 1W 5 75W R1578 ERJ6GEYJ100 S M CARB 0 1W 5 10W R1581...

Page 24: ... M CARB 0 1W 5 470W R2019 ERJ6GEYJ471 S M CARB 0 1W 5 470W R2020 ERJ6GEYJ562 S M CARB 0 1W 5 5K6W R2021 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R2022 ERJ6GEYJ471 S M CARB 0 1W 5 470W R2023 ERJ6GEY0R00 S M CARB 0 1W 5 0W R2025 ERJ6GEYJ123 S M CARB 0 1W 5 12KW R2026 ERJ6GEYJ562 S M CARB 0 1W 5 5K6W R2027 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R2038 ERJ6GEY0R00 S M CARB 0 1W 5 0W R2039 ERJ6GEYJ471 S M CARB 0 1W 5 4...

Page 25: ...6 ERJ6GEYJ680 S M CARB 0 1W 5 68W R3217 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R3218 ERJ6GEYJ750 S M CARB 0 1W 5 75W R3219 ERJ6GEYJ123 S M CARB 0 1W 5 12KW R3220 ERJ6GEYJ101 S M CARB 0 1W 5 100W R3221 ERJ6GEYJ153 S M CARB 0 1W 5 15KW R3222 ERJ6GEYJ680 S M CARB 0 1W 5 68W R3223 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R3224 ERJ6GEYJ750 S M CARB 0 1W 5 75W R3225 ERD2FCVG100T CARBON 2W 2 10W R3226 ERJ6GEYJ153 S M CA...

Page 26: ...L L2361 ELEBR6R8KA COIL L3001 ELEBR6R8KA COIL L3002 ELEBR6R8KA COIL L3003 ELEBR470KA COIL TRANSISTORS Q1052 BC557B TRANSISTOR Q2351 BC547B TRANSISTOR Q2352 BC547B TRANSISTOR Q2353 BC557B TRANSISTOR Q2361 BC547B TRANSISTOR Q2362 BC547B TRANSISTOR Q2363 BC557B TRANSISTOR RESISTOR R555 ERO25CKF2802 METAL 25W 1 28KW R557 ERO25CKF6492 METAL 25W 1 65KW R558 ERO50PKF4532 METAL 50W 1 45KW R574 ERG3FJ151 M...

Page 27: ...ECUV1H103KBX S M CAP 50V 10nF C705 ECUV1H101JCX S M CAP 50V 100pF C848 ECKC2H471J CERAMIC 500V 470pF C3813 ECUV1H471JCX S M CAP 50V 470pF DIODES D557 ERC91 02L9 DIODE D563 RH3GLF102 DIODE D848 RU30LF102 DIODE D852 MA4062 DIODE INTEGRATED CIRCUITS IC1104 X24C0301UT EAROM IC451 TDA8350Q N4 VERTICAL OUTPUT IC1105 27C2001C07AF EPROM COILS L573 ELHKLB026B COIL RESISTOR R555 ERD25TJ223 CARBON 0 25W 5 22...

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