Maxon Telecom SM-2000 service manual SM-2150/VHF Exploded View Parts List

Page 73

SM-2150/VHF EXPLODED VIEW PARTS LIST

REF #

PART #

DESCRIPTION

QTY

1

801-282-A

E.S.C NORYL N190J-7002

1

2

905-510

FELT 30-R16.5 (2) XT0.3 FELT BLK

1

3

795-654

OVERLAY LEXAN T0.5

1

4

826-137

KNOB (FOR VOL) ABS 94HB BLK

1

5

826-120

KNOB (FOR CH) ABS 94HB BLK

1

6

650-346

NUT RING (FOR VOL) M7X0.75 (P) &9.9 BSBM

1

7

650-335

NUT RING (FOR CH) M9X0.75 (P) &11 BSBM

1

8

661-701

WASHER (FOR VOL) T0.5 SPC

1

9

662-901

WASHER (FOR CH) 13X9.3XT0.5 SPC

1

10

894-650

RING (FOR VOL) &10X&6.9XT0.8 SILI.RUBB BLK

1

11

895-095

RING (FOR CH) &9.3X&12.5 CR BLK

1

12

611-388

(+) MACHINE SCREW (FH) M3X8 (+) FH BLK

2

13

895-040

KEY PAD SILICONE RUBBER

1

14

420-709-9

JACK MODULAR 1130-662

1

15

650-050-0003

CONTROL HEAD P.C.B. ASSY.

1

16

420-108-4A

SPEAKER 4 OHM 5.0W 71MM PB7401A3Y26

1

17

623-034

(+) TAPPING SCREW (PH) T3X6-1S (+) PH ZN-PLAT

3

18

853-078

POST BSBM NI-PLAT

1

19

752-732

PLATE (ESC MTG) SPC T2

1

20

613-174

(+) MACHINE SCREW (FH) M3X5 (+) FH NI-PLAT

1

21

622-039

(+) TAPPING SCREW (BH) T2X6-1S (+) BH ZN-PLAT

2

22

895-044

GASKET (ESC) CR BLK

1

23

702-416-AB

FRAME ALDC12 (SM-2450)

1

24

623-760

(+) TAPPING SCREW (BH) T3X18-2S (+) BH NI-PLAT

2

25

427-411-4

WIRE EMI GASKET 43SM15 (SM-2450)

1

26

427-411-4A

WIRE EMI GASKET 43SM20 (SM-2450)

1

27

772-181

SHIELD CAN SPTE T0.3

1

28

723-844

BRACKET TR SK5 T0.5 NI-PLAT

2

29

895-047

GASKET (EXT JACT) CR BLK

1

30

613-040-S

(+) MACHINE SCREW (PH) M3X6 (+) PH ZN-PLAT 1

12

31

650-000-0001

MAIN P.C.B. ASSY. SM-2150/VHF

1

32

772-298

SHIELD COVER SPTE T0.5

1

33

752-729

CLIP (FOR TR) SUS304 T0.5

1

34

772-243

SHIELD CAN NSP T0.3

1

35

895-041

RING CR BLK

1

36

421-677-7

CONNECTOR BOX SOCKETBCS-110-P-D-HE

1

37

772-179

SHIELD CASE (FOR VCO)

1

38

613-755-SF

(+) MACHINE SCREW (PH) M3X7 (+) PH NI-PLAT

4

39

895-043

GASKET (BRKT) CR BLK

1

40

723-823

BRACKET ALDC12

1

41

612-289

(+) MACHINE SCREW (BH) M2X5 (+) BH BLK

6

42

504-367-B

2P PLUG ASS’Y SH-50101 (SM-2450)

1

43

719-020

COVER TOP ALDC12

1

44

895-075

RUBBER WASHER &6.2X&3.1XT0.5 N.B.R BLK

4

45

660-449

WASHER 6X3.2X0.5T SPC NI-PLAT

4

46

613-764

(+) MECHINE SCREW (PH) M3X20 (+) PH SUS

4

47

893-700

FOOT &11X5 RUBB.STIC.

4

48

613-369

(+) MACHINE SCREW (BH) M3X15 (+) BH ZN-PLAT

1

49

508-085-A

MIC BRACKET ASS’Y

1

50

660-449

WASHER 6X3.2X0.5T SPC NI-PLAT

2

51

662-310

WASHER SPRING M3 NI-PLAT

2

52

613-299

(+) MACHINE SCREW (BH) M3X6 (+) BH NI-PLAT

2

53

723-834

BRACKET SPC T2.0

1

54

600-051

SECURING SCREW M6X9 (P:1) BLK

2

55

661-605

WASHER FLAT M6 ZN-PLAT

2

56

662-606

WASHER SPRING M6 ZN-PLAT

2

57

625-007

(+) TAPPING SCREW (TH) T5X12-1S (+) TH ZN-PLAT

2

58

772-241

SHIELD PLATE SPTE T0.3

1

59

772-242

SHIELD CAN SPTE T0.5

1

60

772-132-A

SHIELD CAN (FR-P) NSP T0.2

1

61

752-769

FINGER STRIP SUS304 T0.3

1

62

895-247

CAP (FOR EXT. JACK)

1

63

662-305

WASHER SPRING M3 ZN-PLAT

4

SM-2450/UHF EXPLODED VIEW PARTS LIST

REF #

PART #

DESCRIPTION

QTY

1

801-282-A

E.S.C NORYL N190J-7002

1

2

905-510

FELT 30-R16.5 (2) XT0.3 FELT BLK

1

3

795-654

OVERLAY LEXAN T0.5

1

4

826-137

KNOB (FOR VOL) ABS 94HB BLK

1

5

826-120

KNOB (FOR CH) ABS 94HB BLK

1

6

650-346

NUT RING (FOR VOL) M7X0.75 (P) &9.9 BSBM

1

7

650-335

NUT RING (FOR CH) M9X0.75 (P) &11 BSBM

1

8

661-701

WASHER (FOR VOL) T0.5 SPC

1

9

662-901

WASHER (FOR CH) 13X9.3XT0.5 SPC

1

10

894-650

RING (FOR VOL) &10X&6.9XT0.8 SILI.RUBB BLK

1

11

895-095

RING (FOR CH) &9.3X&12.5 CR BLK

1

12

611-388

(+) MACHINE SCREW (FH) M3X8 (+) FH BLK

2

13

895-040

KEY PAD SILICONE RUBBER

1

14

420-709-9

JACK MODULAR 1130-662

1

15

650-050-0003

CONTROL HEAD P.C.B. ASSY.

1

16

420-108-4A

SPEAKER 4 OHM 5.0W 71MM PB7401A3Y26

1

17

623-034

(+) TAPPING SCREW (PH) T3X6-1S (+) PH ZN-PLAT

3

18

853-078

POST BSBM NI-PLAT

1

19

752-732

PLATE (ESC MTG) SPC T2

1

20

613-174

(+) MACHINE SCREW (FH) M3X5 (+) FH NI-PLAT

1

21

622-039

(+) TAPPING SCREW (BH) T2X6-1S (+) BH ZN-PLAT

2

22

895-044

GASKET (ESC) CR BLK

1

23

702-416-AB

FRAME ALDC12 (SM-2450)

1

24

623-760

(+) TAPPING SCREW (BH) T3X18-2S (+) BH NI-PLAT

2

25

427-411-4

WIRE EMI GASKET 43SM15 (SM-2450)

1

26

427-411-4A

WIRE EMI GASKET 43SM20 (SM-2450)

1

27

772-181

SHIELD CAN SPTE T0.3

1

28

723-844

BRACKET TR SK5 T0.5 NI-PLAT

2

29

895-047

GASKET (EXT JACT) CR BLK

1

30

613-040-S

(+) MACHINE SCREW (PH) M3X6 (+) PH ZN-PLAT 1

11

31

650-000-0002

MAIN P.C.B. ASSY. SM-2450/UHF

1

32

771-989

SHIELD COVER SPTE T0.5

1

33

752-729

CLIP (FOR TR) SUS304 T0.5

1

34

772-243

SHIELD CAN NSP T0.3

1

35

895-041

RING CR BLK

1

36

421-677-7

CONNECTOR BOX SOCKETBCS-110-P-D-HE

1

37

772-179

SHIELD CASE (FOR VCO)

1

38

613-755-SF

(+) MACHINE SCREW (PH) M3X7 (+) PH NI-PLAT

4

39

895-043

GASKET (BRKT) CR BLK

1

40

723-823

BRACKET ALDC12

1

41

612-289

(+) MACHINE SCREW (BH) M2X5 (+) BH BLK

6

42

504-367-B

2P PLUG ASS’Y SH-50101 (SM-2450)

1

43

719-020

COVER TOP ALDC12

1

44

895-075

RUBBER WASHER &6.2X&3.1XT0.5 N.B.R BLK

4

45

660-449

WASHER 6X3.2X0.5T SPC NI-PLAT

4

46

613-764

(+) MECHINE SCREW (PH) M3X20 (+) PH SUS

4

47

893-700

FOOT &11X5 RUBB.STIC.

4

48

613-369

(+) MACHINE SCREW (BH) M3X15 (+) BH ZN-PLAT

1

49

508-085-A

MIC BRACKET ASS’Y

1

50

660-449

WASHER 6X3.2X0.5T SPC NI-PLAT

2

51

662-310

WASHER SPRING M3 NI-PLAT

2

52

613-299

(+) MACHINE SCREW (BH) M3X6 (+) BH NI-PLAT

2

53

723-834

BRACKET SPC T2.0

1

54

600-051

SECURING SCREW M6X9 (P:1) BLK

2

55

661-605

WASHER FLAT M6 ZN-PLAT

2

56

662-606

WASHER SPRING M6 ZN-PLAT

2

57

625-007

(+) TAPPING SCREW (TH) T5X12-1S (+) TH ZN-PLAT

2

58

772-241

SHIELD PLATE SPTE T0.3

1

59

772-242

SHIELD CAN SPTE T0.5

1

60

772-132-A

SHIELD CAN (FR-P) NSP T0.2

1

61

752-769

FINGER STRIP SUS304 T0.3

1

62

895-247

CAP (FOR EXT. JACK)

1

63

662-305

WASHER SPRING M3 ZN-PLAT

4

Page-69- December 98

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Page 72 Page 74
Contents SM-2000 Page Maxon SM-2000 Mobile Table of ContentsPCB Layouts Schematics and Block DiagramsSM-2000 Exploded View Transceiver Nominal Performance SpecificationsGeneral Band Operational BandwidthTransmitter Specfications SUB Audible Tones DCS TX Tone Modulation CharacteristicsReceiver Accessories RX Tone Demodulation CharacteristicsSubaudible tones CTCSS/DCS Reliability AnalysisIntroduction Check the carton carefully for the following items Unpacking InformationGeneral Description Description of Controls Description of ControlsSM-2000 Rear Panel Digital Circuitry Theory of OperationCTCSS/DCS Decode Circuits CTCSS/DCS Encoder CircuitEeprom PLL RF Section SM-2150/VHF TX VCO RX VCOPrescaler Out of Lock DetectorReceiver RF AmplifierLow Pass Filter Receiver Audio CircuitAudio Amplifier Noise Detect Circuit SQ BoardUHF Transmitter RF Section SM-2450/UHFFrequency Synthesizer Circuit First Mixer Voltage Controlled Oscillator CircuitSecond Oscillator- Mixer- Limiter and FM Detector Squelch Noise Band Pass Filter Squelch Mute CircuitNoise Detector Speaker Audio AmplifierTransmit Tests Test SetupPLL Alignment SM-2150/VHF Alignment ProcedureReceiver Alignment RF Discriminator TuningAutomatic Power Adjustment Squelch AdjustmentModulation Deviation Adjustment CTCSS/DCS Deviation AdjustmentAlignment Points Diagram SM-2150/VHF SM-2450/UHF Alignment Procedure Page-28 December ∙ Note Release the PTT button when changing channels Page-30 December Alignment Points Diagram SM-2450/UHF Surface Mount Components Component ReplacementSurface Mount Removal Surface Mounted Integrated Circuit Replacement Surface Mount Component ReplacementREF # Description Parts List Common to SM-2000Digital Parts Common on Both VHF & UHF Digital Section REF # Description FRONT-END PCB Assembly Main Board Parts Band ChartPage-38 December Page-39 December Page-40 December Page-41 December SM-2450A UHF Band SM-2450C UHF Band SM-2450D UHF Band SM-2450E UHF Band Band ChartPage-44 December Page-45 December Page-46 December Page-47 December Component Pinout Page-49 December Page-50 December IC409 Voltage Charts SM-2150/VHFPage-52 December Transistor Voltage Chart Voltage Charts SM-2450/UHF IC404 Page-56 December Status Indications & Audible Tones Trouble Shooting Chart SM-2000Page-58 December MMBV109 Replacement Module SchematicsMA-4472 Microphone Schematic Page-61- December Page-62- December Page-63- December Page-64- December SM-2000 Control Head SW5Page-66 December SM-2150/VHF Main Board AssyFront SM-2450/UHF Main Board AssySM-2000 SM-2150/VHF Exploded View Parts List Intentionally Left Blank
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