Sangean DT-120 Скачать руководство пользователя | Manualshive

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DT-120

Ref no

PART NO.

DESCRIPTION

Q'TY

DWG NO.

REMARK

1

21P7000-A

LCD HOLDER

1

A3-DT120-12A

2

21P7010-A

LCD HOLDER SHELD

1

A4-DT120-13A

3

21P7020-A

BATTERY CON+

1

A4-DT120-14A

4

21P7030-A

BATTERY CON-

1

A4-DT120-15A

5

21P7060-A

SHIELD-A

1

A4-DT120-23A

6

21P7070-A

SHIELD-B

1

A4-DT120-24A

7

24P7000-A

CONDUCT RUBBER

1

A4-DT120-22A

8

24P7010-A

DOUBLE TAPE-L

2

A4-DT120-20A

9

24P7020-A

DOUBLE TAPE-S

2

A4-DT120-21A

10

24P7030-A

SILICON SPACE

6

A4-DT120-29A

11

301P701A-A

FRONT CABINET

1

A1-DT120-01A

12

303P701A-A

BACK COVER

1

A1-DT120-02A

13

304P701-A

BATTERY COVER

1

A3-DT120-17A

14

305P701-A

FRONT PANEL

1

A4-DT120-11A

15

306P701-A

LCD WINDOW

1

A4-DT120-09A

16

307P701-A

TOP COVER

1

A3-DT120-03A

17

310P701A-A

POWER KNOB

1

A3-DT120-06A

18

311P701A-A

VOLUME KNOB

1

A3-DT120-05A

19

312P701-A

TUNING KNOB

1

A3-DT120-04A

20

313P701-A

RUBBER KEY

1

A3-DT120-10A

21

317P701-A

LOCK KNOB

1

A3-DT120-08A

22

321P701-A

SLIDE KNOB

1

A3-DT120-07A

23

361P701-A

BAR ANT HOLDER

1

A3-DT120-18A

24

9155022-A

PTPW 1.4x2(NI)

2

25

9155052-A

PTPW 1.4x5(NI)

1

26

9165022-A

PTB 1.4x2(NI)

1

27

9165102-A

PTB 1.4x10(NI)

3

MECHANICAL PARTS LIST

17

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Содержание DT-120

Страница 1: ...Points Diagram 9 PCB Top View 10 PCB Bottom View 11 Wiring Diagram 12 Troubleshooting Flow Chart 13 14 Electrical Parts List 15 16 Mechanical Parts List 17 Exploded Views 18 IC Circuit Block Diagram...

Страница 2: ...MHz 50 dB 3 db Limiting 60 dBu 18 24 dBu Min Output 60 dBu Vol min 0 2 0 4 mV Auto Scan Stop Sens 18 24 dBu Stereo Separation 1kHz 24 18 dB S N Ratio 22 5kHz 45 36 dB Current Consumption 22 5HzDev Mod...

Страница 3: ...Image Rejection S N 6dB 1404 KHz 36 30 dB I F Rejection S N 6dB 603 KHz 40 34 dB Selectivity 9KHz S N 6dB 26 18 dBu Bandwidth 6 dB S N 6dB 4 12 KHZ Auto Scan Stop Sens 63 70 dBu S N Ratio 36 28 dB Cu...

Страница 4: ...Y FM RF AMP FM OSC FM RF FM AM ANT1 CT1 R IN LOW BST FM QUAD AM FM BAND MUTE CIRCUIT R IN L O P OSC IN 75KHz X TAL SW9 DBB HOLD SW SW3 SW2 KEY SW401 405 POWER CONTROL IC3 AN7504 SB IF FILTER IF FILTER...

Страница 5: ...ANGE a Required Instruments Signal Generator SSVM b Alignment Procedure Mode Adjustment Procedure 1 Set the power switch to ON 2 Connect a SSVM to TP1 1 Tune FM to 108 MHz FM L2 2 Adjust L2 to have a...

Страница 6: ...ment Procedure 1 Set the power switch to ON 2 Connect a SSVM to the HEAD PHONE JACK O P 3 Connect the output of the FM signal generator to the test point TP5 4 Set FM to 106MHz FM L3 5 Adjust L3 for m...

Страница 7: ...red Instruments Signal Generator SSVM b Alignment Procedure Mode Adjustment Procedure 1 Set the power switch to ON 2 Connect a SSVM to TP1 1 Tune AM to 1629 KHz AM L1 2 Adjust L1 to have a reading of...

Страница 8: ...to the AM ferrite bar antenna ANT1 4 Tune the generator frequency to 1404 KHz 5 Tune the AM frequency to 1404 KHz and adjust CT1 to have a max reading on SSVM 6 Return the generator frequency to 603 K...

Страница 9: ...Gray Bottom layer Yellowish brown Top layer TEST POINTS DIAGRAM 9...

Страница 10: ...PCB TOP VIEW 10...

Страница 11: ...PCB BOTTOM VIEW 11...

Страница 12: ...WIRING DIAGRAM Gray Top layer Yellowish brown Bottom layer 12...

Страница 13: ...rmal 2 Weak sensitivity on FM mode Check whether the sensitivity is No Check the antenna wire and BPF recovered if antenna is directly circuit Then replace the abnormal connected to the pin30 of IC1 p...

Страница 14: ...tage is normal Check the local oscillator circuit Then replace the abnormal parts Yes No Then replace the abnormal parts Check whether the corresponding RF tank circuit is normal 4 PLL does not work N...

Страница 15: ...FILTER PFWLF450KS2A A0 1 CF 3 1664222 A FIL GFMB7 C2 LF 88 108M 1 BPF1 1664470 A FILTER SFELG10M7HA00 B0 2 CF 2 4 1664490 A DISCRI CDALF10M7GA113 B0 1 CF 1 4A10791 A CH EL 107 6 3V 5 x5 3 1 C 44 4A22...

Страница 16: ...R 7 33 39 46 6140104 A CH RD 1 32W 2 2J D 2 R 50 51 6140112 A CH RD 1 32W 10J D 2 R 6 66 6140120 A CH RD 1 32W 47J D 1 R 22 6140124 A CH RD 1 32W 100J D 2 R 26 65 6140126 A CH RD 1 32W 150J D 1 R 3 61...

Страница 17: ...1P701A A FRONT CABINET 1 A1 DT120 01A 12 303P701A A BACK COVER 1 A1 DT120 02A 13 304P701 A BATTERY COVER 1 A3 DT120 17A 14 305P701 A FRONT PANEL 1 A4 DT120 11A 15 306P701 A LCD WINDOW 1 A4 DT120 09A 1...

Страница 18: ......

Страница 19: ...IC CIRCUIT BLOCK DIAGRAM 1 IC1 TA2142FNE 2 IC3 AN7504SB 19...

Страница 20: ...3 IC2 TC9349AFG 20...

Страница 21: ...60 0 60 17 1 5 1 5 33 0 0 49 0 46 0 46 2 1 55 1 55 18 1 5 1 5 34 0 0 50 1 5 1 5 3 0 77 0 77 19 1 5 1 5 35 1 55 1 55 51 0 46 0 46 4 2 31 2 31 20 1 5 1 5 36 1 55 1 55 52 0 0 5 3 07 3 07 21 1 5 1 5 37 0...

Страница 22: ...1 1 51 20 0 74 0 74 27 0 75 0 75 7 1 48 1 48 14 1 48 1 49 21 0 01 0 74 28 0 77 0 77 Transistor PIN FM AM PIN FM AM PIN FM AM B 0 33 0 34 B 0 27 0 26 1 0 01 0 E 1 46 1 46 E 0 0 2 0 6 0 43 Q1 C 0 0 Q10...

Страница 23: ...R 2 1 SVC220 UNR5210 UNR5110 C 2SD1048 C A A G 1SS357 5 BASE 1 3 BASE 2 1 EMITTER 1 6 2SC4177 2SB1295 2SK932 HN2C01FU ZENER RD12 6 COLLECTOR 1 4 COLLECTOR 2 A Anode C Cathode Diodes E Emitter C Collec...

Страница 24: ...SCHEMATIC DIAGRAM 24...

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