Panasonic TX-21AD2 Скачать руководство пользователя | Manualshive

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TX-21AD2

11

IC3502

TELETEX

IC3501

TEXT

MEMORY

IC1205
RESET

IC1201

MICROPROCESSOR

CONTROL

IC1202

EEPROM

MEMORY

IC1203

EAROM

PROGRAMME

MEMORY

IC601

VIDEO

IC2101

SOUND PROCESSOR

IC2301

8V REG

IC3001

AV

SWITCHING

IC1206

5V

IC102

IF PROCESSOR

IC851

12V

IC801

PSU

CONTROL

IC103

12V REG

I466

AUDIO OUTPUT

IC451

VERTICAL

TUNER

T1201

D1204

Q851

Y

PCB

Q503

DRIVER

Q551

LINE

OUTPUT

FBT

D554

150V

200V

27V

5V

15V

5VSB

29V

CLOCK 4

DATA

CLOCK

8V

12V

IC701

HORIZ OUTPUT

27V

T801

D855

D851

D852

D853

27V

D854

12V

5V

5V

5V RESET

29V

5VSB

POWER SUPPLY AND CONTROL BLOCK

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Содержание TX-21AD2

Страница 1: ... p 75W Audio 21 pin 500mV rms 10 k W S Video IN Y 1V p p 75W 21 pin C 0 3V p p 75W AV2 OUT Video 21 pin 1V p p 75W Audio 21 pin 500mVrms 1kW AV3 IN Audio RCA x 2 500 mV rms 10k W Video RCA x 1 1V p p 75 W High Voltage 27kV _1kV at zero beam current Picture Tube 51 cmV measured diagonally Audio Output Internal Speaker 2 x 20W Music Power 8W Impedance Headphones 8 W Impedance Accessories supplied Re...

Страница 2: ...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 directly into the AC outlet Do not...

Страница 3: ...Location Of Controls Service Hints How to remove the rear cover i Remove the 5 fixing screws A as shown in Fig 3 Fig 4 Fig 2 FOCUS SCREEN Fig 3 SCREWS A SCREW Fig 4 ...

Страница 4: ...rner of the cabinet Fig 8 into the chassis frame shown in Fig 9 iii After servicing ensure all wiring is returned to its original position before returning the receiver to the customer E PCB service position i Release the respective wiring clips and rotate the chassis horizontally through 180_ anti clockwise the lift the FBT side of the chassis as shown in Fig 7 ii Insert the beadclamper located i...

Страница 5: ...en 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 finished the s...

Страница 6: ... 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 falling to a point where this voltage drops by 0 2V from th e maximum value CUT OFF 1 Receive a window pattern 2 Degauss the tube externally 3 Set the TV into Service Mode 1 4 SelectCutoff DC mode 1 Confirm then value is 128 and select Ug2 mode noting colour with largest value 2 Turn ...

Страница 7: ... TRAPEZ 1 000 Optimum setting 12 Trapezium comp TRAPEZ 2 009 Optimum setting 13 Colour VCO Colour VCO 006 Press either Blue or Yellow buttons to effect automatic adjustment 14 Cut off DC Cut off DC 050 No Adjustment 15 Ug2 Test Ug 2 Test 094 044 020 SelectCutoff DC in Service Mode mode and confirm the value is 128 Select Ug 2 Test noting colour with largest value adjust on FBT until a colour reach...

Страница 8: ...iv PIN 34 5m sec div BASE 20u sec div PIN 7 5m sec div BASE Q503 20u sec div PIN 6 5m sec div PIN 5 5m sec div GREEN DRIVE 100v RED DRIVE 80v PIN 8 IC701 64u sec div COLLECTOR 64u sec div PIN 3 IC801 5u sec div PIN 7 2u sec div Chroma WAVEFORM PATTERN TABLE PIN 1 5m sec div EMITTER Q352 EMITTER Q351 BLUE DRIVE 120v EMITTER Q353 ...

Страница 9: ...CAS A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 42 31 4 3 12 13 19 20 21 32 Y R P0 P1 C1 C0 Y0 Y1 Y2 MSY 13 44 14 Q3005 BUFFER Q3004 BUFFER IC3502 TELETEX IC601 VIDEO Q307 BUFFER Q302 AMP Q301 AMP Q308 BUFFER Q304 AMP Q303 AMP Q309 BUFFER Q306 AMP Q305 AMP R G B 55 57 59 Q351 OUTPUT AMP Q352 OUTPUT Q353 OUTPUT IC3001 AV 19 20 R G B 11 15 V Y C V Y 17 V Y 25 AGC TUNER VIDEO IN H OUT V V V IC3501 MEMORY IC351 RGB...

Страница 10: ... 1 AV3 6 2 3 1 W 1 2 2 1 AV2 6 2 3 1 46 47 Q2308 MUTE L R L R L R L R L R R L SIF IN AV2 IN AV2 OUT AV3 IN R L R L L R Q2310 BUFFER 25 26 Q2309 BUFFER J K 2 3 0 1 4 Q2301 AMP Q2302 AMP Q2306 MUTE Q2305 MUTE L R Q251 MUTE Q252 MUTE Q1208 MUTE LEFT AUDIO MUTE SIGNAL Q2307 MUTE 50 49 34 33 6 2 3 1 W 1 2 2 1 AV1 L R L R AV1 IN AV1 OUT Q2306 MUTE Q2305 MUTE AV2 OUT R L D3018 D3019 4 5 AUDIO BLOCK RIGHT...

Страница 11: ...C2301 8V REG IC3001 AV SWITCHING IC1206 5V IC102 IF PROCESSOR IC851 12V IC801 PSU CONTROL IC103 12V REG I466 AUDIO OUTPUT IC451 VERTICAL TUNER T1201 D1204 Q851 Y PCB Q503 DRIVER Q551 LINE OUTPUT FBT D554 150V 200V 27V 5V 15V 5VSB 29V CLOCK 4 DATA CLOCK 8V 12V IC701 HORIZ OUTPUT 27V T801 D855 D851 D852 D853 27V D854 12V 5V 5V 5V RESET 29V 5VSB POWER SUPPLY AND CONTROL BLOCK ...

Страница 12: ...TP S TRANS TPY1 C2 Q351 C2 TPY2 C3 Q352 C2 TPY3 C2 Q353 C2 TPY4 B2 TPY5 B2 IC S TPY6 A3 IC351 B3 Y BOARD TNP117069 ...

Страница 13: ...TX 21AD2 14 E BOARD TNP197091 ...

Страница 14: ...test 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 instrument such as an oscilloscope to the hot and cold circuits simultaneously as this may ca use fuse ...

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Страница 19: ...NOTE The numbers on the exploded view below refer to the miscellaneous section of the Replacement Parts List PARTS LOCATION 3 1 4 9 7 11 13 12 18 14 ...

Страница 20: ... 16V 10pF C137 ECA1EM101GB ELECT 25V 1mF C138 ECUV1H103ZFX S M CAP 50V 10nF C140 ECA1HM010GB ELECT 50V 1pF C141 ECUV1H102KBX S M CAP 50V 1nF C144 ECUV1H090DCX S M CAP 50V 90pF C145 ECA1CM470GB ELECT 16V 47mF C201 ECUV1H070DCX S M CAP 50V 7pF C202 ECUV1H070DCX S M CAP 50V 7pF C203 ECUV1H470JX S M CAP 50V 47pF C204 ECUV1H560JCX S M CAP 50V 56pF C205 ECUV1H100DCX S M CAP 50V 10pF C207 ECUV1H220JCX S ...

Страница 21: ...C3D222JB CERAMIC 2KV 2200pF C817 ECQB1H223K FILM 50V 22nF C818 ECKC2H472J CERAMIC 500V 4 7nF C820 ECOS2GA151CB ELECT 150mF C821 ECKCNS332J CERAMIC 1 2KV 3 3nF C851 ECKC2H681J CERAMIC 500V 680pF C852 ECEA1HU102 ELECT 50V 1000mF C853 ECEA1EGE222 ELECT 25V 2200mF C854 ECEA1HGE102 ELECT 50V 1000mF C855 ECKC3D471JB CERAMIC 2KV 470pF C856 ECEA1EGE222 ELECT 25V 2200mF C857 ECA2CM101E ELECT 160V 100mF C85...

Страница 22: ...UV1H101JCX S M CAP 50V 100pF C3062 ECUV1H104ZFX S M CAP 50V 100nF C3071 ECUV1H104ZFX S M CAP 50V 100nF C3151 ECUV1H561JCX S M CAP 50V 560pF C3152 ECUV1H561JCX S M CAP 50V 560pF C3501 ECUV1H104ZFX S M CAP 50V 100nF C3502 ECEA1CU101 ELECT 16V 100mF C3503 ECUV1H103ZFX S M CAP 50V 10nF C3504 ECUV1H102JCX S M CAP 50V 1nF C3505 ECUV1H104ZFX S M CAP 50V 100nF C3506 ECEA1CU470 ELECT 16V 47mF C3507 ECEA1CU...

Страница 23: ... LINK JA19 ERJ6GEY0R00 WIRE LINK JA20 ERJ6GEY0R00 WIRE LINK JA21 ERJ6GEY0R00 WIRE LINK JA22 ERJ6GEY0R00 WIRE LINK JA22 ERJ8GEY0R00 WIRE LINK JA23 ERJ6GEY0R00 WIRE LINK JA24 ERJ6GEY0R00 WIRE LINK JA25 ERJ6GEY0R00 WIRE LINK JA25 ERJ8GEY0R00 WIRE LINK JA26 ERJ6GEY0R00 WIRE LINK JA27 ERJ6GEY0R00 WIRE LINK JA28 ERJ6GEY0R00 WIRE LINK JA29 ERJ6GEY0R00 WIRE LINK JA30 ERJ6GEY0R00 WIRE LINK JA31 ERJ6GEY0R00...

Страница 24: ...W 5 100W R003 ERJ6GEYJ101 S M CARB 0 1W 5 100W R004 ERJ6GEYJ101 S M CARB 0 1W 5 100W R107 ERJ6GEY0R00 WIRE LINK R109 ERJ6GEY0R00 WIRE LINK R113 ERJ6GEYJ153 S M CARB 0 1W 5 15KW R116 ERJ6GEYJ103 S M CARB 0 1W 5 10KW R117 ERJ6GEYJ683 S M CARB 0 1W 5 68KW R118 ERJ6ENF4701 S M CARB 0 1W 1 4K7W R119 ERJ6ENF1202 S M CARB 0 1W 1 1K2W R120 ERJ6GEYJ102 S M CARB 0 1W 5 1KW R121 ERJ6GEYJ221 S M CARB 0 1W 5 2...

Страница 25: ... R467 ERO25CKF1201 METAL 0 25W 1 1K2W R471 ERDS1TJ102 CARBON 0 5W 5 1KW R472 ERDS1TJ4R7 CARBON 0 5W 5 4R7W R501 ERJ6GEYJ331 S M CARB 0 1W 5 330W R502 ERJ6GEYJ560 S M CARB 0 1W 5 56W R503 ERJ6GEYJ273 S M CARB 0 1W 5 27KW R504 ERJ6GEYJ101 S M CARB 0 1W 5 100W R506 ERD25TJ560 CARBON 0 25W 5 56W R507 ERQ14AJ3R3 METAL 0 25W 5 3R3W R509 ERDS1TJ152 CARBON 0 5W 5 1K5W R510 ERDS1TJ152 CARBON 0 5W 5 1K5W R5...

Страница 26: ... ERJ6GEYJ103 S M CARB 0 1W 5 10KW R2111 ERJ6GEYJ473 S M CARB 0 1W 5 47KW R2301 ERJ6GEYJ222 S M CARB 0 1W 5 2K2W R2302 ERJ6GEYJ222 S M CARB 0 1W 5 2K2W R2303 ERJ6GEYJ471 S M CARB 0 1W 5 470W R2304 ERJ6GEYJ471 S M CARB 0 1W 5 470W R2313 ERJ6GEYJ101 S M CARB 0 1W 5 100W R2314 ERJ6GEYJ101 S M CARB 0 1W 5 100W R2315 ERJ6GEYJ473 S M CARB 0 1W 5 47KW R2316 ERJ6GEYJ104 S M CARB 0 1W 5 100KW R2318 ERJ6GEYJ...

Страница 27: ...RB 0 1W 5 75W R3152 ERJ6GEYJ750 S M CARB 0 1W 5 75W R3153 ERJ6GEYJ750 S M CARB 0 1W 5 75W R3154 ERJ6GEYJ153 S M CARB 0 1W 5 15KW R3155 ERJ6GEYJ101 S M CARB 0 1W 5 100W R3156 ERJ6GEYJ101 S M CARB 0 1W 5 100W R3157 ERJ6GEYJ153 S M CARB 0 1W 5 15KW R3158 ERJ6GEYJ750 S M CARB 0 1W 5 75W R3502 ERJ6GEYJ101 S M CARB 0 1W 5 100W R3504 ERJ6GEYJ101 S M CARB 0 1W 5 100W R3505 ERJ6GEY0R00 WIRE LINK R3508 ERJ6...

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