Bose 402 c ii sd259148 schematics

Page 1

S1 MODE SWITCH
POS 1 VOICE ONLVI FULL RANGE (WITH 4o2"S ONLv)
POS 2 STANDARD 2 WAV 1w1TI1 502B)

UNPROCESSED SIGNAL (CH 1) 11 P4 P05 3 1 NOT USED)
FULL RANGE NO HPF 1CH 1) a P4 P05 4 2-WAv WITH LOW FREQUENCY OPTION
R33 +15v K2
O23 1.
FULL RANGE 1CH 1) s W 22315: N}
5 R1s R23 R25 c24 :22 (SEE NOTE 12! SP4 . _5) P7 To TER BLOCK
TOTE BLOCK F6 (211 R165 333K R165 1W) m 2K 082 11 1182 133143 .
xLRJ3 3 R2 27 255* IN U) 5 {5.33 553: ' W R145 2 P9 XLR
CHANN L1 1m R1: R14 12 . U2 W U2 2"" m" 2""
INPUT R5 1K Kl 13% m m 1°\ C14 15 12 U3 V v 17131:; 101115;?
4 1111111 m . 14 111 9 11. R24 0117 c2n R25 1 U3 1N47 P7 TO TER BLOCK
TO TE M BLOCK Pa mm 5122 m - B 111 U) (N U) 114 14 11 d2 g h '\ 13v11w
. 2 1 9 111 V cm:
GND1 R21: 1111)) 11: k R17 R19 R21 R27 . 5 R37 HF EIAMP (CH1) 5 PA 15V R215 1 P9 xLR ANNE
SEE No E 7 xLR J3 V :21 21 SK SEE NOTE 12 7 11 H OUTPUT
11 if 1" c121 11 311R 9 U4 ) s E NOTE7
(2121 R153 5139 R185 R11 an R2 R21 1117 .
11 (2504 W w W 111 s7sR 111 U) 1n1< (N 11) (N u) Rm c27 C25 cze 111 111 B 5; 127 TO TER ELDCK
6 111 ) 174 111 334 .
TOTE M BLOCK P15(_ in v V V 519 53111111 :25 7 22 m PASSIVE (CH 1) R1172 R147 3 Pa XLR
xLR .1'3 2 Rd; EN 7 N " IN 111 7 7 P 7 mg n6
1
V V R55 V V m OPTION HF V $33317 1.
Rs MI) 11311 1) MODE SELECT m
1m R52 R178 m (N U) V
v V IN 11) 11411) M ,
CHAN N EL 1 m C35 an m :43 m4 R58 12 5 m
11111. 111 u) 11m) 0 111m 111111 mm W my >-)5 F8 To TER BLOCK
111 U) .
R311 6 ' 2 P10 xLR
SW R111 (CH1) R141 "3)
5111 IN MI
3:6 cw 3:3 man 3 5 P8 TO TER BLOCK
7 R1 581K 111 U)~)P4 11111:
5 sSTEREO 10K 1B R157 "11; v {N 1174' R144 1 P11) xLR 12.33%ng
1M 111
COW R175 J7 W 132 F4 17 EE NOTE 7
5111 F051 5
OUTPUT MODE LF LEVEL U7 m BASS BIAMP (CH 1) F05 m 31 HPa TO TER BLOCK
my STEREO V 11> 4, P053 5 9 3 P117 xLR
5111 475K [-(CFI'ZW 17 R1354 11 200
3A 9 OPTION BASS 5 v
63 CW (N U) V MODE SELECT WW?
R12 2A (CH 1) v K1
111R
1A R1119
cCW 111 u) R41 K BASS (CH 1) 4
590K P4
R€1717 v v
V UNPROCESSED SIGNAL 1CH z) 12 P5
FULL RANGE NO HPF 1CH 2) a P5
R55
c 11
1111:1715; m R35 R51 C72 J FULL RANGE (CH 2%) 6 P5 P7 TO TER BLOCK
TO TERM LOCK Pei-l c511 W Max R173 111 u) m 271 412 R54 .
XLR JA 3 UT 1127 255K 11111) NW $1 75K P11 XLR
1 W m m 3N V
:11 1:1: ~11 4/ N3 we can U3 v
TO TERM BLOCK P6 i 555 $15 ' c121; (NU) 11111) 2 114 1 Rb m g7 I» Elam TER BLOCK
GNO 1 m R71117wR72 l 1M1) RBI m I 22m I , 7 RES HF BIAMP1CH z) 5 P5 P11 XLR :HANNELz
9mm? 2 xLR 14 6 R189 2% 6 559 21 5K U4 SEE NOTE 12 HF OUTPUT
SEE NOT 7 B K 5 K 27" m5 R1711 D R171 CI2 R112 1m 3 R53 1117 6_ P051 11 51 S E NOTE 7
117111; 5 e N 11111 M 11111) NU) R52 C75 :71 E71 5 1,. F052 m 2 W m TER BLOCK
.4115 1 U) (N U) 111 11) 534 1122 -:
m TERM BLOCK 141411 34 c127 V V cs7 R91! 7 22 R55 PASSIVE (CH 2) F05 3 9 R195 '
XLR J4 R117 R511 ,cso $11111. 111 uy 111111 m7) 737K -°p 7 5 21111 P11 xLR
177K 1m C57 c147
R129 w DB 35" Q; 3 0022 V V V R122 OPTION HF 7 11am P
1n17K 111m 11141417 "65 54MB V R12: 11111) (CH 2) MODE SELECT v
V V -15V (N U)
INPUT LEVEL
DENOTES CRITICAL COMPONENTS, CHAN N EL 2 CBS CBS can R115 593 :54 R111 3 5
REPLACE ONLv WITH IDENTIcAL BOSE PARTS. (N 111 "q m 171 U) a 11111) (,1 11) [1. 11) 2 m .28 To TERM BLOCK
C109: PIN103447-C(115V) 71111)) km 036 P12 xLR
PIN 143354 11oI7VI2aoVI24IJV) IN 111
TRANSFORMER PIN 13111231 (115VAC) R125
PIN 1301232 IzauVACI24UVAC) 695 R124 0 P8 TO TEFM BLOCK
LINE CORD 4555MB PIN 173224 (IODVAC)(2~WIRE) 114 u) 0 114 11)-> P5 5
PIN 173242 (115VAC)13»WIRE1 V {N 11) 4, p5 W2 XLR $3313]?
PIN 173243 (zaoVAC)12»w1RE) m u, 3 P5 5 E NOTE 7
PIN 1732415 (240VAC)13»WIRE1 U7 P8
PIN 17324511117VACI2MIVAC) m m Bass HIM/1121911 2) TO TERM BLOCK
STRAIN REUEF. PIN 1441711 (11JI7VACI23OVAC) 47 22 r12 xLR
POWER SWITCH PIN 1439317 I100vI115vI23OV/z4ov) 51% 55!;
3 v S
5 P1,P2:PIN 143953 (1va115vI23ovI24ov) 0ng 355 V MODE SELECT
11,72: PIN 143963 (1DUV/115Vl230V/ZADV) +15v V
Cs C17 C37 C52 CS4 C65 C77 CB7 CBn C117 C1317 C13 0150 BASS CH 2 4
éER EER 6ER EER 6ER EER 6ER dER éER éER dER éER .1 ( I P5 Rm
$ c5 m 531; C51 C53 C54 m m cm C91 c129 c131 0151 m
éER EER SER EER CER EER éER EER dER éER ER éER 1 M R207 6 475
11171111 17 5K+l l
- + c155 c151
15" NJM7aM15FA 15V 1P1 111 11) 1
T1 1 W3 ? +15v 2 P4 D43
Z1 NOTES 1 45
55 I ITRANSFORMER I 011 cm 13$, 2 g3], ff; :3] >3 GND 1 P5 UNLESSDTHERWISESPECIHED +15V
1 A A A A 1 7 1 fl 221117an 1 ALL RESISTORS ARE EXPRESSED .11 0111151111; ARE 111111. 1-1. mu
E1 11 .12 P2 P3 1 . 1 GND 12 2 ALL wmnoRs ARE EXPRESSED 111 MICROFARADS 167k
WE I cm Cup: 47 033 25337511 mg 1 515;; 771?} m1 112; P5 3 11111011.pom12m umImRSAREELMEANDAREqw R199 _
A 5 11.7 2 IIDW W m? .1511 1 P4 1 L1 mm, cmmmz mm ammmn 111E .1211 W 171 1
fie, NE P3 M 21-13 5 119 . U12 RCASSSN aR mmmu 111 RINI
CHASSIS MOUNT c111 "mums «1521113,.v15R1N1 .1 v
A 2 A A 2 a 1m - 5V 5 11.11 111215111 ox 11111215111111.1111) #5131121.
N 15 pm 1,.v15 R111 11 511an CONTROLLED
P1 le P3 7 1115 LM339N114R1N)
.1715 R111: .1715 171112
CHASSIS MOUNT 11 INSTALLJUMFER now, IN Locmaus mm: :72 J
CHASSIS MOUNT S RELAYS K1 AND K2 ARE SHOWN IN THE nE-ENERGIZED STATE WINWWVWWWWM
1n RELAYS K1 ma K2 ARE 417m IaosE 171111441717) TITLE
11 1HREE WIRE AC cows ARE usm m1 111E us. UK AND Ausmum 402C I EONTOLLER
VERSIONS THEREEV 1111115 YHE 011551: 70 EARYH GROUND
KW??? 5%:5113'1? um mm 011 VHS worm 1.11: PCB ASSEMBLY
12 coNNEcmRs 17111111: P5 ARE EoR CONNECTIONS 111 THE oc.1 chs
oRnoN c1111: REFER m 51: 115mg PART NUMBER 259148

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