BK Precision 1541B Service Manual

4X» BK PRECISION:
MODEL 1541B
SERVICING
INFORMATION
40-MHz DUAL-TRACE OSCILLOSCOPE
PARTS LIST
SCHEMATIC B & K-PRECISION SCHEMATIC B 8 K-PRECISION
SYMBOL DESCRIPTION PART NO. SYMBOL DESCRIPTION PART NO.
FINAL ASSY
ELECTRICAL САТ CA MANE reos
F1 1/2 Amp, 250V, 5 X 20mm Slow Blow Fuse CRT Holder Plate Ù a er ae a Р, 250-298-9-004
AAA AA 198-300-0-500 COT Lod PEIUS DA E casio lodo
Fi 0.3 Amp, 250V, 5 X 20mm Slow Blow Fuse CRT A С rt Pl n AME E TT 250 298-9 002
1209007230 V, 940 V). MN 198-300-0-300 po HO EU a
Fuse Holder Line Input, Line Select R Groun аю ae ote е 250-298-9-001
RES E o з але 770-032-9-001 CRT Clip, Copper ................ 741-206-9-002
T602 Power Transformer ............... 065-246-9-001 САТ Filter, Blue .................. 380-643-9-001
VR406/S501 10 kQ, Potentiometer w/switch CRT Shield .... IO CONDERE 256-300-9-001
(VARIABLE, PULL 10 MAG) ...... 008-881-9-003 CRisocketel BI ate 749-121-9-001
VR501 о id (POSITION) .... Е en Sonon usa ^at EEE EN ылкы, А a)
IEDBENBSTOHRT.......-:.- 2.0.2... 230-039-9-00 1 A A E ne -529-9-
NE ОВППӨСЇОГ.:................. 772-024-9-002 Cover, Handle (Chrome) ........... 746-076-9-003
CRT Socket'PC Board =............ 303-136-9-001 Сатр, Шала SSSA SA 741-221-9-001
Cable Assembly (J34 to CAL) ....... 428-182-9-001 Dust Cover (VERT MODE Switch,
Cable Assembly (J5A to J5B) ....... 428-182-9-002 AC/GND/DC Switch) ............. 769-211-9-001
Cable Assembly (J15A to J15B) ..... 428-182-9-003 Dust Cover (SLOPE/COUPLING
Cable Assembly (J32 to SOURCE (Switch) ES. у леу лу» 769-192-9-003
ZAxis INPUT) Se AA 428-182-9-004 Frame RIONE Plat з. 254-145-9-002
Cable OY (J1 to Frame, Middle Plate .............. 254-145-9-003
SHROUTFUN). ................. 428-182-9-005 Framo, LeftiPlate E se 254-145-9-004
ot on ES 3A to J13B "ouest Frame, P.C: Board Plate ........... 254-145-9-005
an OJEDD) enn -192-9- Eront.Plasticibrame s sera. en: 380-643-9-004
Cable Assembly (J9A to J9B) ....... 428-182-9-007 Front Panel (Metal-Sub) ........... 254-145-9-001
Cable Assembly (J21A to J21B) ..... 428-182-9-008 Front Panel Nameplate Inlay ........ 260-526-9-001
Cable Assembly (CRT to GND) ...... 428-182-9-009 Front Panel Power, Focus, etc., Inlay . 260-527-9-001
Cable Assembly (Ground) .......... 428-182-9-010 Front Panel Main Inlay............. 260-528-9-001
Cable Assembly (J16 to POS.) ...... 428-182-9-011 -699-9-
Fuse Label А ЕТИ 7. 483-699-9-003
Cable Assembly (Ј10 to EXT.) ....... 428-182-9-012 Ground Terminal 740-053-9-001
Cable Assembly (J18 to CRT) ....... 428-182-9-013 Handle (Outer)................... 746-076-9-001
IL als J19 id van ZEE 428-182-9014 High Voltage Shield Cover, Lower .... 256-274-9-002
(Jê to GHT and J7 to CRT) 428-182-9-015 Instruction Manual ................ 480-664-9-001
Cable Assembly (J31 to CRT) ....... 428-182-9-016 REN N E 751-371-9-001
Cable Assembly (J30 to CRT) ....... 428-182-9-017 г (Н OLD OFF) 9w, 751-371-9-002
Des en үн v A > 5 ч АВ кыы: 428-182-9-020 DIKE USS
able Assem to 1 Е
Куз». s 428-182-9-021 „mm (VOLTIDIV VAR)... 751-371-9-008
Cable Assembly (J1 2A to J12B) Ser: shar 428-182-9-022 19mm (VOLTS/DIV) å 751-371-9-004
Cable Assembly (J28A to J28B) ..... 428-182-9-023 Knob Gray ass ^ w^
Line Cord, 3 Wire CSA ............ 420-039-9-001 : Ч : .471.0.
E Rotation Coil 040-008-9-001 2З (МЕЛ УУ) ЕЕ уза. cron gs 751-371-9-005
TACO FIOIQUOTI Toll а... A Knob, Dark Gray, 10mm (LEVEL) .... 751-371-9-006
Wire Assembly (J14 to VAR.) ....... 428-182-9-018
- Knob, Gray, 16mm
Wire Assembly (J17 to X10 МАС -371-9-
ШО oo a 428-182-9-019 perc Cu POEM TREE Le qo
Wire Assembly (J26A to J26B) ...... 428-182-0-024 o тогол 763-212.9.001
Wire Assembly (J8A to Ј8В) ........ don ado E O T E Wr m dr АЫ
: Hasol Nameplate; Front -arutsa are ees 260-526-9-001
Wire Assembly (Ј27А to J27B) ...... 428-182-9-026 А
Wire Assembly (J3A to J3B) 428-182-9-027 Pushbutton Switch Bezel ........... 380-643-9-005
A rou GU RR C MA ыры: 262-082-9-001
MECHANICAL Rear Panel Overlay ............... 600-198-9-001
DS604,605 Lamp Holder, Acrylic .............. 380-643-9-002 НарБеӨ СУРАИ date 381-197-9-001
AC Cord Wrap/Rear Foot .......... 380-643-9-003 Rubber Pad (Under CRT Shield) ..... 381-178-9-004
ONL TE Nal CT T a its ¿he 777-109-9-001 Set Screw, 3 x 3mm x 0.5P
CRT Rubber Pad, Lower (2 Used) ... 381-198-9-001 (KnODS) bee — E kes aku om al 633-010-9-001
COMPOSITE
499-403-9-001