Marantz ST 251 ST 251L Service Manual

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This service manual explains them by extracting the different specifications from those of the ST440/
ST440L, based on the ST440/ST440L. For both electrical and mechanical information on the after-sales
service which is not stated, all information is described in the ST440/ST44OL service manual. The dispatch
of the parts for after-sales service has to be referred to this service manual, with the first priority.

For this reason, please use this service manual with referring to the ST440/ST440L service manual, without

fail.
Different Parts between MODEL S'l'251/Sl'251 L md NDDEL Sl'440/ST440L
rag. DESI: sr44o/s1'440L (N, A) ST251/ST25IL (N, A) DESCRIPTION
18 A 448H 248400 473H248400 From Panel Assembly (ST251)
A1 449H248400 474H248400 Front Panel Assembly (ST251 L)

001 B MBH248010 473H248010 Front Panel (ST251)
0013 449H248010 47414248010 Front Panel (STZEI L)
0023 443H063020 473H 063020 Eicutcheon
0033 448H1 53010 473H158010 Window
0113 448H270020 448H270220 Button MEMORY 1 ~ 8
0133 448H127510 448H127530 Control Board
0016 448H105010 473M105010 Chassis, Front
0015 448H801010 473H80101D Packing Case (ST251)
0015 449H801010 474H801010 Packing Case (ST251L)
001T 443H851310 473H85131o User Manual
0021' 448H851320 473H851320 User Manual. Spec.
003T 448H856010 473H856010 Circuit Diagram (ST251)
003T 449H856010 474H856010 Circuit Diagram (ST251 Ll
W001 ZC01604010 2002006020 AC Power Cord (A only)

19 002D 51280408U0 51 706009 U0 Spec. Sat Screw
001 F 448H105030 473H105030 Chassis, Main (ST251l
001 F 449H105010 474H105010 Chassis, Main (ST251 L)
016F 415H057010 011T057010 Log

20 CA01 CT12000090 0T10900010 Trimming 9pF
CA05 DF15471550 DF15391550 Film 390pF
CADG DD15180370 DD15150370 Ceramic 15pF
0A28 DF15223310 DF15153310 Film 0.015uF
0A37 _ DD15560300 Ceramic 56oF
CASS DD10050300 Ceramic 5pF
0218 EA10602530 EA10601610 Elect 10uF 16V
0219 EA22505030 EA10601610 Elect 10uF 16V
0501 DD15470300 DD15180370 Ceramic 18pF
C502 DD15470300 DD15180370 Ceramic 18oF
0506 DK18103300 EA10701510 Elect 100uF 16V
0512 DK18103310 EA10505010 Elect 1uF 50V
0513 EA33601630 EA10701610 Elect 100uF 16V
0516 - DK18103310 Ceramic 0.01uF
0517 - DK18103310 Ceramic 0.01uF
0805 EA22701030 EA10601610 Elect 10uF 16V
0813 fi EA1060161D Elect 10uF 16V

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