SUPPLEMENT
Model 1800-V Professional Stereo Power
Amplifier EQ PCB Assemblies
This supplement should be added to the Service Manual P/N 181812-S2.
Listed below and on the back of this page is an update to the Part List.
These parts have been added to the part list for the following EQ PCB Assemblies:
402, 502A, 502B and 802.
®
®
Reference
Designator
R39 JUMPER, CHIP, 1206 124896
Complete PCB Assemblies Part List
Description Part Number Description Part Number
402 EQ PCB Assy 009083 3202 II EQ PCB Assy 011502
502A EQ PCB Assy 009082 4402 II EQ PCB Assy 011504
502B EQ PCB Assy 009081 9702 II EQ PCB Assy 017929
802 EQ PCB Assy 009080 LT II EQ PCB Assy 018485
Description Part
Number
©
1997 Bose Corporation
REV 00 08/97
Supplement
Part Number181812-S3
The following is an update to the 9702 II EQ PCB Part List
Service Manual P/N 181812-S2
The following component values have been changed. The changes are reflected on
PCB number 183071 REV 04. There is no need to change any of these component
values on PCB's before REV 04
Reference
Designator
R4 3.65KΩ, 0805, 1/10W, 1% 133625-3651
R10, 11 22.6KΩ, 0805, 1/10W, 1% 13 3625-2262
R17, 35 JUMPER, CHIP, 1206 124896
R19, 20, 45, 46 90.9KΩ, 0805, 1/10W, 1% 13 3625-9092
R21 2.80KΩ, 0805, 1/10W, 1% 133625-2801
R22 14.7KΩ, 0805, 1/10W, 1% 133625-1472
R27, 40 40.2KΩ, 0805, 1/10W, 1% 13 3625-4022
R36 26.1KΩ, 0805, 1/10W, 1% 133625-2612
R37 15.0KΩ, 0805, 1/10W, 1% 133625-1502
R43, 44 16.9KΩ, 0805, 1/10W, 1% 13 3625-1692
C9, 10 .027uF, BOX, 85, 63V, 5% 137127-273
C12, 30 820pF, DISC, SL, 50V, 10% 137269-820
C13 .0012uF, BOX, 85, 100V, 5% 137127-122
C14, 29 120pF, DISC, SL, 50V, 10% 137269-121
C24 .0022uF, BOX, 85, 100V, 5% 137127-222
C28 .0082uF, BOX, 85, 100V, 5% 137127-822
C3 1 330pF, DISC, SL, 50V, 10% 137269-331
Description Part
Number
The following components have been deleted from the PCB
number 183071 REV 04.
Reference
Designator
R15, 16, 31, 32 JUMPER, CHIP, 0805 133627
R41, 42 34.0KΩ, 0805, 1/10W, 1% 13 3625-3402
Description Part
Number