Bose AM-25P II, AM-30P II, Powered Acoustimass-25 Series II, Powered Acoustimass-30 Series II Supplement Manual

SUPPLEMENT

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Powered Acoustimass ®-25 and -30

Series II Speaker System

AM-25P II/AM-30P II

Digital Bass Module

The parts listed below have changed or have been removed from the DSP PCB. Insert this
supplement into your service manual, part number 199401.

Refer to the matrix on the back of this supplement for a complete list of U202 and U401

revisions and the DSP PCB and Module part number changes per revision.

Reference Description From To Note

Designator Part Number Part Number

R314 330 Ohm, 0805, 5%, 1/10W 133626-3315 Delete
R315 39 Ohm, 1206, 5%, 1/8W 124895-3905 Delete
C312 .0047uF, Disc, 60, AC 149016 Delete

U202 TMP87PH47U, uC, OTP 251561 254101
U300 IC Relay, NEC PS714L-1A 190334-001 252450 3

U401 M27W210, PLGC, EPROM 251708 254102

Item Description Note

Number

4 1,3

A

11 1,3

Module Assy., 120V
Module Assy., 230V
Module Assy., 100V
Module Assy., Dual

PCB ASSY., DSP, 120V
PCB ASSY., DSP, 230V
PCB ASSY., DSP, DUAL

From

Part Number

251706-001
251706-002
251706-003

251706-006
251705-001
251705-002

251705-006

To

Part Number

253859-001

253859-002

253859-003

253859-006
253858-001
253858-002

253858-006

Part List Notes:

1. This part is not normally av0ilable from Customer Service. Approval from the Field Service
Manager is required before ordering.

3. This part is critical for safety purposes. Failure to use a substitute replacement with the
same Safely ch_ra_te_'istlc;s as the recommended replacement part might create shock, fire

and/or_hazards.

i

© 2000 Bose Corporation

Supplement Manual

Part Number 199401-$1

Digital Bassbox DSP PCB Revision Matrix

U202 Micro Micro U401 EPROM EPROM DSP PCB

Part Number Rev. Part Number Rev. Part Number

251561 20 251560 20 251705-001

251705-002
251705-006

251561 20 251708 21

252183-001
252183-002
252183-006

251707 23 251708 21 252946-001

252946-002
252946-006

252941 28 252942 23 251713-001

251713-002
251713-006

252941 28 252942 23 253283-001

253283-002
253283-006

254101 30 254102 30 253858-001

253858-002
253858-006

Module

Part Number

251706-001
251706-002
251706-003

251706-006
252184-001

252184-002
252184-003
252184-006

252947-001
252947-002
252947-006

251714-001
251714-002
251714-003
251714-006

253284-001
253284-002
253284-003
253284-006
253859-001
253859-002
253859-003
253859-006

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