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400RB-II

6/22/99

INDENTED BILL OF MATERIALS

*-Level 1 refers to main asy

Main assembly numbers are in bold face.

Level 2 refers to board pts.

Most commonly needed parts are italicized.

LVL.*

PART#

DESCRIPTION

QTY

REF. DESIG.

1

010-0012-0

MPSA06 NPN 80V 500MA TO-92

1

1

011-0002-0

TIP31C NPN 80V 3A TO-220

2

1

011-0007-0

MJE15030 NPN 150V 8A TO-220

1

1

011-1008-0

MJE15031 PNP 150V 8A TO-220

2

1

013-0018-0

MJ-15001 NPN 140V 15A TO-3

2

1

013-1019-0

MJ-15002 PNP 140V 15A TO-3

2

1

023-0108-0

KBPC-602 BRIDGE RECT,6A,200V,C216A

1

1

056-.330-0

RES,CERAMIC WW,.33 OHM,5W,10%

4

1

056-0500-0

RES,CERAMIC WW,5 OHM,5W,10%

1

1

080-0012-0

TRANSFORMER,200W,120V,Z=4

1

1

090-0008-0

SWITCH,ROCKER,SPST,4A,QUICK-TERM

1

1

091-0005-0

FUSE, 5A,125V,1/4X1 1/4,SLB

1

1

092-0002-0

JACK SW-11,1/4 “,O-TIP,SLDR TERM

3

1

092-0004-0

JACK SW-L11,1/4",O-TIP,SLDR TERM,LONG

1

1

092-0011-0

JACK SW-L12A,1/4",S-TIP,LONG

1

1

092-0064-0

Q-CON, .25 TAB,18-22GA,INSULATED

16

1

093-0014-0

RECEPTACLE AC,Q-TERM

1

1

093-0032-0

HOUSING,3X.156,FEMALE 22GA,LOCK

1

1

093-0035-0

HOUSING,4X.156,FEMALE 22GA,LOCK

2

1

094-0013-0

HOLDER,FUSE,1/4 X 1 1/4,Q-TERM

1

1

094-0020-0

SOLDER LUG,#10

2

1

095-0005-0

POWER CORD,117V PLUG,DETACH

1

1

100-0000-0

INSULATOR,MICA,56-03-2AP,TO3

4

Содержание 400RB series

Страница 1: ...Service Manual 400RB ...

Страница 2: ...Table of Contents Operating Instructions 3 Turn On Calibration Procedure 6 Schematics 9 Engineering Change Orders ECOs 16 Bill of Materials 20 ...

Страница 3: ......

Страница 4: ......

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Страница 6: ...k regulated supplies or 14 5V or 1V 3 Adjust variac to 120V and turn speaker off 4 Set Bias Adjust R14 on 41 board for 5mV across R26 R27 5 Power LED and boost LED should be lit 6 Connect oscillator to input 200Hz 46 dBV 7 Turn on 4 ohm load 8 Adjust volume for slight clipping 2 3 o clock Output 28 Vrms 9 Engage 10dB switch Output becomes 5 7 Vrms Disengage switch 10 Turn boost to 0 Output becomes...

Страница 7: ...listen to noise It should be smooth not crackling 4 Change AC voltage range to 1V 5 Noise should measure less than 400mV 6 Engage low cut contour and hi boost Noise 400 mVrms 7 Volume to 0 Noise 100mVrms 8 Boost to 0 Noise 10 mVrms Return knobs to zero switches out ready for burn in ...

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Страница 21: ...00V C216A 1 1 056 330 0 RES CERAMIC WW 33 OHM 5W 10 4 1 056 0500 0 RES CERAMIC WW 5 OHM 5W 10 1 1 080 0012 0 TRANSFORMER 200W 120V Z 4 1 1 090 0008 0 SWITCH ROCKER SPST 4A QUICK TERM 1 1 091 0005 0 FUSE 5A 125V 1 4X1 1 4 SLB 1 1 092 0002 0 JACK SW 11 1 4 O TIP SLDR TERM 3 1 092 0004 0 JACK SW L11 1 4 O TIP SLDR TERM LONG 1 1 092 0011 0 JACK SW L12A 1 4 S TIP LONG 1 1 092 0064 0 Q CON 25 TAB 18 22G...

Страница 22: ... 0 CAP 72 APLS SPLINE SHAFT 7 1 100 0103 0 KNOB 72 APLS SPLINE SHAFT 7 1 112 0081 0 BOLT 6 32 1 2 PHP CAD 1 1 112 0101 0 BOLT 6 32 5 8 PHP CAD 13 1 112 0121 0 BOLT 6 32 3 4 PHP CAD 1 1 112 4081 0 SCREW 6AB 1 2 FHP 82 CAD 4 1 112 6001 0 NUT 6 32 KEP LARG SIZE CAD 15 1 112 8060 0 TR BOLT 6 32 3 8 PHP B O 2 1 112 9060 0 TR BOLT 6 32 3 8 FHP B O 24 1 112 9101 0 TR BOLT 6 32 5 8 FHP CAD 2 1 114 0080 0 ...

Страница 23: ...TSIDE 1 2 120 0005 0 ALUM 100 49 1 132 0568 0 400RB IILEFTSIDE 1 2 120 0005 0 ALUM 100 49 1 132 0569 0 400RB II COVER 2 2 120 0005 0 ALUM 100 320 1 132 0575 0 400RB II RACK EAR 2 2 120 0005 0 ALUM 100 21 1 150 0012 0 BOX 400 800 1 1 150 0013 0 END CAP 400RB 2 1 160 0002 0 MANUAL 400RB 1 206 0041 C 400RB Power Amp LVL PART DESCRIPTION QTY REF DESIG 2 001 1030 0 LF353N DUAL JFET OP AMP 1 U1 2 010 00...

Страница 24: ...2 R28 R29 R32 2 051 5602 0 RES CARBON FILM 5 6K OHM 1 4W 5 1 R2 2 051 5603 0 RES CARBON FILM 56K OHM 1 4W 5 4 R5 R6 R33 R34 2 052 0000 0 RES CARBON FILM 0 OHM 1 4W 5 5 2 054 2702 0 RES CARBON FILM 2 7K OHM 1W 5 2 R17 R18 2 070 0508 0 POT 1K TRIM 6MM SLOT 3W 1 R14 2 092 0066 0 FASTON M PC 250 6 P2 3 4 5 6 7 2 093 0029 0 HDR 156X4 VERT MALE LOCK ROUND 1 P1 2 145 0041 C 400RB POWER AMP BOARD 1 206 00...

Страница 25: ...ILM 3 3K OHM 1 4W 5 1 R23 2 051 3303 0 RES CARBON FILM 33K OHM 1 4W 5 4 R5 R18 R78 R86 2 051 4701 0 RES CARBON FILM 470 OHM 1 4W 5 2 R70 R81 2 051 4702 0 RES CARBON FILM 4 7K OHM 1 4W 5 3 R3 R30 R85 2 051 4703 0 RES CARBON FILM 47K OHM 1 4W 5 4 R40 R48 R57 R79 2 051 4704 0 RES CARBON FILM 470K OHM 1 4W 5 5 R28 R33 R37 R43 R50 2 051 5602 0 RES CARBON FILM 5 6K OHM 1 4W 5 5 R27 R44 R51 R56 R59 2 051...

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