NEC PF-68T31 Скачать руководство пользователя страница 12 | Manualshive

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12

N802 TDA2009A

PIN 1 2 3 4 5

6 7 8 9 10 11

V

1.3 0.7 12.6 0

1.3 0

0

11.4 20.1 11.4

0

N503 TDA9860

PIN 1 2 3 4 5 6 7 8 9 10

11

12

13 14

V 4.0 0 4.0 8.0 4.0 8.0

4.0

0 4.0

4.0

4.0

4.0

4.0 4.0

PIN 15 16 17 18 19 20

21

22

23

24

25

26

27 28

V 4.0 4.5 4.6 4.0 4.0 4.0

4.0

4.0

4.0

4.0

0 4.0

4.0 4.0

PIN

29

30

31

32

V

4.0

4.0

0

4.0

Transistors voltages

V201 V301 V302

B C E

B C E

B C E

1.0 8.5 0.2

2.2 0 2.9 2.9

7.2

2.2

V303 V304 V480

B C E

B C E

B C E

1.8 5.8 1.3

3.8 7.8 3.2

2.5 8.1 1.8

V560 V561 V611

B C E

B C E

B C E

1.3 2.0 2.0

1.3 2.0 2.0

5.4 3.6 5.8

V612 V615

B C E

B C E

3.6 2.1 0

1.7 2.1 0

V651 V681 V702

B C E

B C E

B C E

7.0

36.8

6.4

0 0 0

0 5 0.1

V703 V704 V705

B C E

B C E

B C E

0 5.0 2.5

0 5.0 2.5 4.4

5.1

5.1

V706 V707 V801

B C E

B C E

B C E

0 5.1 0

5.1 0 5.1

0 0 0

V802 V804 V806

B C E

B C E

B C E

0 0 0

8.16

0.1 8.22

5.6 20.1 5.0

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Содержание PF-68T31

Страница 1: ...ETY PRECAUTIONS 3 z SERVICE ADJUSTMENTS 7 z PARTS LIST 19 z STANDARD CIRCUIT DIAGRAM S S SE E ER R RV V VI I IC C CE E E M M MA A AN N NU U UA A AL L L COLOUR TELEVISION RE 001 TV AV P V MENU V CALL P SLEEP LOCK QV 1 2 3 SCAN 4 5 6 ZOOM 7 8 9 0 Æ Å Æ Å ...

Страница 2: ... 75 Ohm Unbalanced DIN Power Input Rated Voltage 240 V AC 50 60 Hz Power Consumption 145 W Max Picture Tube Visible Size 68 cm measured diagonally High Voltage 30 kV 1 5 kV at Zero beam current Speaker 8 cm x 13 cm Oval x 2 Audio Output 8 W 8 W Video 1 Vpp 75 Ohm RCA x 2 S Video Input Y C Components Input Y Cb Cr PF 68T31 Input Audio 500 mVrms 4dBs High impedance RCA x 4 Video 1 Vpp 75 Ohm RCA x1 ...

Страница 3: ...ding the picture tube must be the exact replacements or alternatives approved by the manufacturer of the complete product 7 Do not check high voltage by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kΩ 2W resi...

Страница 4: ...EXPLODED VIEW PF 68T31 PF 68V21 FRONT CABINET SPEAKER SPEAKER BOX REAR TERMINAL BOARD CRT PWB CONTROL PWB IR LED PWB TELETEXT PWB PF 68T31 STEREO PWB PF 68T31 MAIN PWB POWER PWB REAR CABINET AC POWER CORD ...

Страница 5: ...except 3 4 and 5 key function would be confirmed 5 Check the setting value of the SYSTEM default value of Table 1 If the value is different select items by CH CH keys and set value by VOL VOL keys 6 Press TEST key again and return to the normal screen SERVICE ADJUSTMENT B1 POWER SUPPLY 1 Receive normal colour bar signal 2 Connect DC voltmeter to TP91 and isolated ground 3 Adjust VR651 to get the v...

Страница 6: ...distortion d Adjust CORNER to get minimum distortion of 4 corners e Adjust TRAPEZ to get minimum trapezoid distortion Receive NTSC signal and repeat above M4 and M5 adjustment M2 Menu RF AGC Adjustment Receive 60dBμ 1mV VH colour bar pattern signal adjust AGC value voltage from high to low to noise reduce gradually and just disappeared point M3 Menu CRTcut off and white balance adjustment Receive ...

Страница 7: ... 0 0 1 0 M1 Headphone CPU Vol Band Mode Search Speed Power ON BUS Stop Open Shipping 0 1 0 1 0 1 0 1 0 1 0 1 1 0 1 0 0 0 0 M2 RF AGC Delay Y Delay Sound Volume Sub Sharpness Sub Colour IF Freq AV Mode 0 63 0 15 0 63 0 63 0 63 0 5 6 7 46 PF 68V21 47 PF 68T31 50 50 38 9 4 PF 68V21 5 PF 68T31 M3 C BR CT SC WR WG WB SB 0 7 0 100 0 100 0 63 0 63 0 63 0 63 6 20 75 45 45 45 50 PAL NTSC 32 29 30 32 28 31 ...

Страница 8: ... IR IN 36 Remote signal input 8 Not used 35 Not used KEY IN 9 Local key input VDD 34 Vdd 5V 10 Not used RESET 33 Reset input LV PROTECT 11 Low Voltage protect X TAL OUT 32 X tal output MUTE 12 Mute output X TAL IN 31 X tal input VSS 13 GND VSS 30 GND 14 Not used OSD OUT 29 15 Not used OSD IN 28 LED1 16 Stand by LED output V SYNC 27 V Sync input BAND1 17 Band select output H SYNC 26 H Sync input BA...

Страница 9: ...LSE 41 GND 14 PH 2 42 AUDIO OUT 15 PH 1 43 16 GND 44 EXT CVBS IN 17 E W OUT 45 BLACK CURRENT 18 Y OUT 46 B OUT 19 Y OUT 47 G OUT 20 IF IN 48 R OUT 21 IF IN 49 BEAM 22 EHT 50 R IN 23 VSAW 51 G IN 24 V REF 52 B IN 25 IF AGC 53 F BLANK 26 TUNER AGC 54 Y IN 27 DE EMPH 55 Y OUT 28 SOUND 56 N802 TDA2009A Function audio output Symbol PIN Function description Symbol PIN Function description NON INV IN 1 1...

Страница 10: ...l Pi n Function AV1L 1 AV1 Audio Left input AV1R 32 AV1 Audio input Right P1 2 Not used P2 31 Not used MAINL 3 Main Audio Left input AV2R 30 AV2 Audio input Right CSMO 4 Smoothing Capacitor CPS1 29 Pseudo stereo Cap 1 MAINR 5 Main Audio Right input AV2L 28 AV2 Audio input Left VP 6 Power Supply CPS2 27 Pseudo stereo Cap 2 OUT R 7 Right Output OUT L 26 Left Output GND 8 Ground MAD 25 Not used GND L...

Страница 11: ... 48 49 50 51 52 53 54 55 56 V 4 0 0 4 0 1 3 2 8 4 6 4 6 1 9 3 8 3 9 4 5 2 6 2 9 3 4 N202 LA7910 PIN 1 2 3 4 5 6 7 8 9 VHF L 8 5 0 0 0 0 10 3 0 0 8 5 VHF H 0 8 5 1 6 0 0 10 3 0 0 8 5 UHF 0 0 0 1 6 0 10 2 8 5 6 4 8 5 N301 PIN41 N301 PIN40 N301 PIN21 N301 PIN20 N301 PIN19 N301 PIN38 N301 PIN13 N301 PIN17 N701 PIN27 N701 PIN26 V902 C N301 PIN15 N301 PIN47 5Vpp 0 6Vpp 2 5Vpp 2 5Vpp 2 5Vpp 2 2Vpp 1 2Vpp...

Страница 12: ...0 4 0 Transistors voltages V201 V301 V302 B C E B C E B C E 1 0 8 5 0 2 2 2 0 2 9 2 9 7 2 2 2 V303 V304 V480 B C E B C E B C E 1 8 5 8 1 3 3 8 7 8 3 2 2 5 8 1 1 8 V560 V561 V611 B C E B C E B C E 1 3 2 0 2 0 1 3 2 0 2 0 5 4 3 6 5 8 V612 V615 B C E B C E 3 6 2 1 0 1 7 2 1 0 V651 V681 V702 B C E B C E B C E 7 0 36 8 6 4 0 0 0 0 5 0 1 V703 V704 V705 B C E B C E B C E 0 5 0 2 5 0 5 0 2 5 4 4 5 1 5 1 V...

Страница 13: ...ll be changed as ON or OFF If PANEL LOCK system describe later set to ON even with above command can not turn to OFF In this mode if receiving numeric command 9999 CHILD LOCK mode will be changed to LOCK FUNCTION mode 9999 will not be displayed on screen In this mode cursor can be moved up down by CH CH keys Setting status can be changed by VOL VOL keys After setting to ON the program can not be a...

Страница 14: ... AV LOCK If this item were set to ON after exit from this LOCK mode i Only with AV input are available to use ii RF Tuner input function will be disabled PANNEL LOCK If this item were set to ON iii All front panel keys will be disabled iv Only by remote control TV can be operated End Special ...

Страница 15: ... the center of the screen Fig 3 8 Move the deflection yoke forward and fix the position of the deflection yoke so that the whole screen will become green 9 Insert the wedge to the top side of the deflection yoke so that it will not move 10 Imput a crosshatch signal 11 Verify that the screen is horizontal 12 Input red and blue raster signals and make sure that purity is properly adjusted CRT WEDGE ...

Страница 16: ...t convergence DYNAMIC CONVERGENCE ADJUSTMENT 1 Move the deflection yoke up and down and overlap lines in the periphery Fig 2 2 Move the deflection yoke left to right and overlap the lines in the periphery Fig 3 3 Repeat 1 and 2 above and make the best convergence After adjustment fix the wedge at the original position Fasten the retainer screw of the deflection yoke Fix the 6 magnets with glue FRO...

Страница 17: ...r Non Flammable Resistor Chip Variable Resistor Chip Metal Glazed Resistor Composition Resistor Linear Positive Temperature Coefficent Resistor C CAP E CAP M CAP HV CAP MF CAP MM CAP MP CAP PP CAP PS CAP TF CAP MPP CAP TAN CAP CH C CAP BP E CAP CH AL E CAP CH AL BP CAP CH TAN E CAP CH AL BP E CAP Ceramic Capacitor Electrolytic Capacitor Mylar Capacitor High Voltage Capacitor Metalized Film Capacit...

Страница 18: ... 18 EXPLODED PARTS LIST ...

Страница 19: ...B FRAME RSAG8 078 116 C 1 1 0 POWER SWITCH KNOB RSR8 337 0309 C 1 1 1 KEY KNOB RSR8 337 0310 C 1 1 2 BACK TERMINAL PVC SHEET E RSR8 808 132 T31 1 1 3 BACK TERMINAL PVC SHEET E RSR8 808 133 V21 1 4 DOOR LID RSR8 632 0163 C 1 1 5 HANDLE BRACKET RSR8 634 0123 C 2 1 6 LED LENS RSR8 640 0182 C 1 1 7 HANDLE R RSR8 671 0103 C 1 1 8 HANDLE L RSR8 671 0104 C 1 1 9 FRONT CONTROL PVC SHEET E RSR8 808 131 C 1...

Страница 20: ... 47P CCF470J1CA FC T31 J C 3113 50V 0 01u CKF103Z1FA FC T31 Z C 3114 50v 2 2u CEF2R2MYACANP T31 M C 3115 50v 2 2u CEF2R2MYACANP T31 M C 3116 50V 1000P CKF102K1BA FC T31 K C 3117 50V 1000P CKF102K1BA FC T31 K C 3118 50V 0 01u CKF103Z1FA FC T31 Z C 3119 50V 0 01u CKF103Z1FA FC T31 Z C 3120 63V 0 47u CAY474K1 H FC T31 K C 3121 100V 6800P CFG682K1 H NW T31 K C 3122 50V 680P CKF681K1BA FC T31 K C 3123 ...

Страница 21: ... 400V 470P CKMX471K301ND C K C 652 2KV 220P CKX221K2RJ ND C K C 653 2KV 220P CKX221K2RJ ND C K C 654 2KV 220P CKX221K2RJ ND C K C 656 160V 470u CEH471M3AEBNK C M C 657 25v 1000u CED102M1ACHNP C M C 658 25v 2200u CED222M2ACKNP C M C 659 16v 470u CEC471MYACCNP C M C 661 16v 470u CEC471MYACCNP T31 M C 665 50V 0 01u CKF103Z1FA FC C Z C 666 50V 0 01u CKF103Z1FA FC T31 Z C 669 50V 0 01u CKF103Z1FA FC C ...

Страница 22: ... CORD AC CORD JP2282 A001 Y C CRTPW B CRT PCB PB40042 1H C CZ 2S SOCKET GABV2001 C C F 601 FUSE 4A 250V FBA4004S02 W C F601A FUSE HOLDER MB0X0011 G8 C F601B FUSE HOLDER MB0X0011 G8 C FB652A Ferrite Bead 5 10 1 8 LEF001 NJ C FB652B Ferrite Bead 5 10 1 8 LEF001 NJ C FL3101 SAW FILTER G9251M XFS018 NR T31 H A2 HEAT SINK MB0X0016 BF T31 HE 2S SOCKET GABV2001 C C HN1701 HEAT SINK MB1X0070 BC C H N801 H...

Страница 23: ... RDB102J NAATD T31 J R 3115 1 6W 1K RDB102J NAATD T31 J R 3116 1 6W 5 6K RDB562J NAATD T31 J R 3117 1 6W 5 6K RDB562J NAATD T31 J R 3118 1 6W 4 7K RDB472J NAATD T31 J R 3119 1 6W 100 RDB101J NAATD T31 J R 3120 1 6W 100 RDB101J NAATD T31 J R 3121 1 6W 3 3K RDB332J NAATD T31 J R 3122 1 6W 10K RDB103J NAATD T31 J R 3123 1 6W 10K RDB103J NAATD T31 J R 3125 1 6W 4 7K RDB472J NAATD T31 J R 3126 1 6W 4 7...

Страница 24: ... 2W 120K RDD124J NACTD C J R 621 1 2W 120K RDD124J NACTD C J R 622 1 4W 15K RDC153J NABTR C J R 625 2W 56 RSF560J7ACDND C J R 625A 2W 56 RSF560J7ACDND C J R 628 1 2W 12M RCD126K NACNH C K R 629 1 2W 12M RCD126K NACNH C K R 652 1 4W 100K RDC104J NABTR C J R 653 1 6W 4 7K RDB472J NAATD C J R 654 1 4W 150K RDC154J NABTR C J R 655 1 2W 47K RDD473J NACTD C J R 656 1 6W 22K RDB223J NAATD C J R 662 2W 0 ...

Страница 25: ...964 1W 1 5 RSE1R5J4ACCND C J R 965 1 6W 5 6K RDB562J NAATD C J R 966 1 6W 68K RDB683J NAATD C J R 967 1 6W 5 6K RDB562J NAATD C J R 968 1 6W 22K RDB223J NAATD C J R 970 2W 10K RSF103J5ACDND C J R 976 1 6W 47K RDB473J NAATD C J RL 601 SMIT SS 112DM 27ohm HAA0004 G C SKN701 IC SOCKET 1 78mm 42P GAGBE001 C SL 3S SOCKET GADV3001 C C SN652 HEAT SINK MB1X0114 BF T31 SN653 HEAT SINK MB1X0040 BF T31 S PWB...

Страница 26: ...D 803 MTZJ15A DZMTZJ15A TR C VD 804 1N4148 DR1N4148 TR C VD 805 RGP10D GI DRRGP10D NG C VD 806 ZPY56 DZZPY56 BG C VD 807 BAV21 DRBAV21 BP C VD 808 MTZJ5 1B DZMTZJ5R1B TR C VD 809 MTZJ5 6B DZMTZJ5R6B TR C VD 901 MTZJ8 2C DZMTZJ8R2C TR C VD 903 TRU4DS DRTRU4DS NZ C VD 904 TRU4C DRTRU4C NZ C VD 906 1N4148 DR1N4148 TR C VD 908 RGP15J DRRGP15J ND C VD 909 RGP10D GI DRRGP10D NG C VD 910 RGP10J DRRGP10J ...

Страница 27: ...2 CATON BOX E RSR8 865 282 T31 1 3 FOAM SPACER TOP E RSR8 870 039 C 2 4 FOAM SPACER BOTTOM E RSR8 870 039 C 2 5 USER MANUAL PF 68V21 T31 C 1 6 zz030 Remote Handunit RE 003 BT 0074A CX T31 1 7 zz030 Remote Handunit RE 002 BT 0075A CX V21 1 8 zz147 BATTERY DRY UM4 1 5V 7 MT1X0001 T2 C 2 PACKING ...

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