8/26/75
GENERAL
The
BOSE SQM-1
decoding
stereo
The plug-in
preamplifier is
When the
pi'opog-ly
also
pleasing
be
used
:
of SQ
sources.
module
SQ
MATRIX mode is
decoded
be
used
for
four-channel
for
enhancement
SQM-1 FULL-LOGIC
is a plug-in,
source
placed
to
other
material
becomes
produce a four-channel
effects.
activated
in
either
phase-matrix
of
DECODER
printed-circuit
and
selected,
stereo
the
In
program
simulation
when
SQ
MATRIX
SQ
encoded
program
addition,
INFORMATION
board
of
the mode
output.
material
the
material,
that
four-channel
switch
or SQ
source
This
(such
SQ
MATRIX
allows
on
LOGIC
positions.
material
position
as QS)
position
proper
sound
the 4401
from
is
ma:y
for
may
When the 4401 mode
wave-matching
between
material.
SPECIFIC:
Internally
High-quality,
Full
with additional transistor
Frequency
ali
wave-matching
logie control
channels
installed
glass
responso
switch
for
module
epoxy,
logie
50-15
is in the
optimum
design
kHz
SQ
LOGIC
circuitry
connecting
printed-circuit
incorporating three integrated
power
+.
1 dB.
is
performance
to
supply
regulation.
position, special
activated
with
JlOl
board
to
SQ
of
the 4401
construction.
improve
encoded
preamplifier.
full
separation
program
circuits
Harmonic
distortion
(THD) < 0.4%
at 2 kHz.
SYMBOL
PARTS
DESCRIPTION
LIST
PART
NUMBER
Resisstors
R32
R15,16,17
R31
R28,29,30
RI
4
RI,2,11,12
R3,4,9,10
R13
R23
R22
R21
R18 10 K Separation
C42,43,44
C6,20,22,25,
40,41
C23,24,26,27
C13,14,17,18
C3,9
CI,4,8,11
C15,16,19
C2,10
C3C,31
C33,34
C37,38
C28,29,39
C5,7
C21,45
C35,36
C32
•
1/4 W,
1/4
1/4
1/4
1/2
1/2
1/2
1/2
1/2
1/4
1/4
0.001
0.01
Electrolytic,
0.0039
0.0066
0.039
0.056
0.22
Electrolytic,
Tantalum, 1 yf,
Tantal'om,
Tantalum,
0.0033
Electrolytic,
Electrolytic,
Electrolytic,
Comp, 10 K, 5%
W,
Comp,
Comp, 20 K, 5%
W,
W,
Comp,
W,
Comp, 20 K, 5%
Comp,
W,
Comp,
W,
Comp,
W,
Comp,
W,
W,
Film,
Film,
W,
Capacitors
yf
Disc
yf
Disc
yf
Disc
yf,
5%, 50 V,
yf,
5%, 50 V,
yf,
10%,
yf,
5%, 50 V,
1.5
4.7
yf
Disc
180
5.1
3.6
4.3
110
2.2
12.4
6.34
Ceramic
Ceramic
Non-polar, 5 yf,
PC, 4.7
yf,
yf,
PC, 25
PC, 47
PC, 100
SQM-1
Ceramic
Ceramic
DECODER
K, 5%
K, 5%
K, 5%
K, 5%
Ohm, 5%
K, 5%
K, 1%
K, 19%
Pot
Mylar
Mylar
50 V,
Mylar
10%,
10%,
10%,
Mylar
25 V
uf,
yf,
yf,
yf,
35 V
25 V
25 V
25 V
25 V
25V
15 V
102938-103
102938-184
102938-203
102938-512
102942-203
102942-362
102942-432
102942-111
102942-222
Ì05W-1242
ie^W--6
104255
103729
103730
103737
104243
104244
104245
104246
104247
104248
104250
104251
104252
104559
104560
104561
103829
341
CRI
Ul
i;3
U2
Ql
Semiconductors
Diode
IN4148
Integrated
Integrated
Integrated
Transistor,
Circuit,
Circuit,
Circuit,
PNP,
MC1312P
MC1314P
MC1315P
2K3644
102410
104257
104258
104259
103851
PARTS
SQM-1
PAGE
LIST
DECODER
2
SYMBOL
Miscellaneous
DESCRIPTION
PART
NUMBER
JlOl
Ul
Ul
U2,3
U2,3
15-Circuit
IC Terminal
Nylon
Nest
IC Terminal
Nylon
Nest
SQ
Instruction
S44.L.
.MtiXaì
PC
Connector,
Strip
Strip
Sheet
Screw
6-20 X 5/16
End
Insert
103836
103922
103923
104253
104254
104219
103122-05
SQM-1 SCHEMATIC
NOTES
Unless
a.
b.
Typical
points
Signal
Ac measurement
sine
inputs.
Set Controls
otherwise
Resistors
Capacitors
ac and de
of the
Tracing
wave
at 1,000 kHz
of the 4401
Source:
specified:
are 1/2
are in
circuit.
of the SQM-1
Auxiliary
watt,
yf.
voltages
Variations
inserted
10%,
are
shown
circuit
preamplifier
on the
of 10% can be
is
into
the
made
with a 100-millivolt
left
as
follows:
schematic
and
at
significant
considered normal.
right
auxiliary
Mode:
• SQ
Low & High
Tone
Controls : Out
Tape
Monitor:
External
Loud:
Muting:
Set ali
Component
balance
View.
Ul
MC1312
U2 MC1315
U3 MC1314
Filters:
Source
Equalizer:
Out
Out
and
Out
Out
tone controls
Matrix
to the "0"
mark.
Fixed
resistor
proper gain adjustment
R21 may be
"replaced with a lOK-ohm
of SQM-1
module.
pot (R37)
for
Later production units
5.
have
R34, R35, R35
added
to SQM-1
board
to
facilitate
should
6. SQM-1
Use
of the CBS
SQM-1.
51
West 52nd
a.
Using
b. Preset
c.
Using
d.
Using
separation adjustment.
not be
Test
(This record
mode)
clockwise
R R )
F
R
adjusted unless
Procedure
test
record
is
Street,
Band
side
side
1,
referencing
R15 at 3
B,
-V/ F R
for a minimum
separation
B,
New
side
o'clock.
Band
Band
These
MC1314 (U3) is
SQT-1100 is
available from
York,
B,
0 dB - 1
5E (C to C
(or minimum
4,
New
balance
volt.
of 15 dB
verify
logie
controls
required
CBS
Special Products,
York
ali four outputs (in
10019.)
signal),
(measuring
rear-channel
action
are
preset
replaced.
when
adjust
of
testing
R13
either
pumping).
circuitry
and
the
Rooiti
the
stereo
counter-
or
as
884,
indicated
under
specification
section
of
this
manual.
REVISIONS
I.YR
ITEM
REV. & DOC.
ADDED
COVER
CHANCE ITEM 51 to
PER, ECO
RELEASED
3
CHG.
P/N ITEMSJ'^0, ^]/ECO
e'" "CHQ PER'
DESCP.IPTICM
CODES
SHT/ ECO
!lki\0]-]]0_
- NO CHANGE/ECO #3821
ECO
D.M.M_.
53 ,5 VECO ;400.2_
'42'29,'i285,Hl2
DELETED
ffhkO\-\]3
10'478'^-03
397/j
DATÌ-.
S/27/h
10/9/'i
10/30/')
^?/;/7<
12/30/7^
^
APVD
A.W.L.
A.W.L.
'''/
V
B
K -
CÌI-CÌC:;D
BY
.......
REV STATUS
CI'
ShIECTS
DRAFTSMAN
D
.M.McGarrahan
CHECKER
A.W.L.
ENG.
APPROVAI
APPROVAI
A.W.L.
L.R.P.
REV
SHEET
V-
1
1
DATE
8/1/i*
9/18/i)
9/18/4
CONTRACT
CODE
IDENT.
32103
SCALE
fjTS
CONTROLLED DWG,
ALL
CHANGES MADE VIA "ECO" ONLY.
NO.
NO.
UNIT
WT.
RELEASED
TO PRODUCTION.
BOSE CORPORATION
PARTS
SQ P.C.
FRAMINGHAM,
TITLE
LIST
ASSEMBLY
MA. 01701
SHEET
1 of k
HEV.
STATUS
OF
SHEETS
ITEM
.
1
REV.
CLASS.
CODE
02
SH.
103663
PARTNUMBER
32108
FRAMINGHAM.
HEV.
MA
SQ P.C.
BOARD
PARTS
ASSEMBLY
LIST
DESCRIPT!ON
TITLE
SQ P.C.
BOARD
PRELIM.
PBEP.
A.W.L.
QTY.
REF
ASSEMBLY
FINAL
6Y
DATE
ASSY.
NO.
cNG.
APPR.
APPR.
REMARKS
Ì03663
DATE
DATE
DOC.
CODE
REV.
SH 2
OF h
REV. DATE
COSI
!ACC'T)
3 k 15
5
12
13
^5
15
15
15
15
10
10
IO
10
10
107289
103836
103922
103923
\0k2S3
10^25^
103730
103737
1065^2-152
10^24^
\Oh2k5
SQ P.C.
P.C.
IC
TERMINAL
NYLON NEST, 7
IC
TERMINAL
NYLON NEST, 8
CAP.,
CAP.,
CAP.,
CAP.,
CAP.,
BOARD
CONNECTOR,
O.Oluf
ELECTROLYTIC*;
O.OOlSuf
0.0068uf,
0.039uf,
END
INSERÌ,
STRIP, 7 STATION
TERMINAL
STRIP, 8 STATION
TERMINAL
DISC
CERAMIC
NON POLAR, 5uf, 15V
DISC
CERAMIC PC
5%, 5OV, HYLAR
5%, 5OV, MYLAR
I5 CKT.
PC
PC
JlOl
PC
PC
PC
PC
C6,C20,C22,C25>CA0,CA1
PC
PC
C23,C24,C26.,C27
Cl^,C17,Cl8
PC
C3,
C9
CI,
PC
Zk, C8, CI
li
15
16
ME - 36
10
\0k2hl
10
CAP.,
CAP.,
0.22uf,
ELECTROLYTIC,
S%, 5OV, MYLAR
P.C.,
^.7uf,
PC
35V PC
C2,
C30,
CIO
C31
102472
REV
STATUS
OF
SHEETS
ITE:'.
HEV
SH,
T
• • • -
CLASS
CODE
IO
10^250
FRAMIfiiGHAM.
PART NUM3ER
32108
REV
MA.
CAP.,
PARTS
TANTALUM,
tliST
DESCRIPTION
luf,
10^, 25V
TITLE
SO
P.C.
BOARD
FREP.
A.W.L.
QTY.
ASSEMBLY
3Y
U/M
2
PC
FINAL
DATE
6A/7Ì,
1"
C33,
C34
ASSY.
NO.
ENG.
APPR.
APPR.
REMARKS
103663
DATE
DATE
DOC.
CODE
REV.
SH 3 OF ù
REV.
DATE
COST
(ACC'T)
22
23
25
27
28
30
18
19
20
21
35
35
35
35
10
10
10
10
10
10
104251
I0't252
102399
10^560
104561
103829' CAP., ELECTROLYTIC,
102938-103
102938-203
102938-103
1029^2-362
CAP.,
TANTALUM,
CAP.,
TANTALUM,
CAP.,
O.Oluf
CAP.,
ELECTROLYTIC,
CAP., ELECTROLYTIC,
RESISTOR,
RESISTO'R,
RESISTOR,
RESISTOR,
1.5uf,
4.7uf,
DISC
_iW, COMP.; lOK, S%
iW, COMP. , 20K, 5%
iW, COMP., lOK, 5'^
^W, COMP. , 3.6K, 5%
10^, 25V
10%, 25V
CERAMIC
P.C.,
P.G.,
P.C.,
25uf,
47uf,
lOOuf,
25V
25V
25V
2
3
2
2
2
2
3
4
PC
C37,
C38
PC
C28,
C29, C39
PC
C5..-
C7
PC
C21,
C45
PC
C35,
C36
C32,
PC
1
PC
1
PC
PC
PC
C46
R32
R31
R28,
R29,
RI,
R2, R11,
R30
.
R12
31
!
32
33
3^
35
ME - 3€
35
35
35
35
35 102944-104
102942-432
102942-11
102942-222
102942-821
1
RESISTOR,
RESISTOR,
RESISTOR,
RESISTOR,
RESISTOR,
iW, COMP., 4.3K, 5%
^-W, COMP., 110 OHM, S%
iW, COMP. , 2.2K, S%
iW, COMP., 820 OHM, 5%
iWCOMP.,
lOOK,
10^
4
2
1
1
4
PC
PC
PC
PC
PC
R3,
R4, R9, RIO
Rx
RI3,
R34
R23
'
R33
R5,
R6,
R7,
R8
'
'
j
;
'
~I
>-
•
t
(
Z -•
fiEV,
STATUS
OF
SH££TS
-!
1
FEW
36
37
38
^0
^0
'
CLASS
CODE
35
35
35
36
SH.
PART
102344-470
102944-472
102944-474
104095-1242
FRAMINGHAM.
NUMBER
32108
REV
MA,
RESISTOR,
RESISTOR,
RESISTOR,
RESISTOR,
PARTS
LIST
1
i 1 1
DESCRIPTION
TITLE
iW, COMP., 47 OHM, ]G%
iW, COMP. , 4.7K, 10%
iW, COMP. ,
iW, FILM,
470K,
12.4K,
10^
]%
SQ P.C.
SOARD
PRELIM.
PHLP.
QTY.
1 PC
1
4
1
ASSEMBLY
BY
U'M
PC
PC
PC
HT'
FINAL
DATE
ENG.
APPR.
REMARKS
R19
R20
R24,
R25, f^26, R27
R22
103663
APPR.
DATE
DATE
DOC.
CODE
REV.
SH
Ì4 OF k
REV.
DATE
-
<'.
'•
COST
(ACC'T)
,,
k]
k]
hi
kk
40
J
^5
46
hi
^3
51 50
52
53
40
40
40
40
65
80
36
38
104095-6341
104299-103
102410
104257
104258
104259
103851
104784-03
RESISTOR,
iW, FILM, 6.34K, 10^
POTENTIOMETER
DIODE
INTEGRATED CIRCUIT,
INTEGRATED CIRCUIT, MC13Ì4P
INTEGRATED CIRCUIT,
TRANSISTOR, PNP,
#22 BUS WIRE,
100407-5 NAMEPLATE, SERIAL NO.
ÌO6373
PRODUCTION TAG
.
^ —— 1
MC13Ì2P
MC1315P
2N3644
PREFORMED
1
il
1
1 PC
1
1
1
12
1
1 PC
R21
PC
R18, R37, R35, R36
PC
PC
CRI
Uì
PC
U3
U2
PC
PC
Ql
PC
PC
i
1
INDUSTRIAI
I:^•G;N^^R;^:•l
54
ME - 36
65
102171
TAPE,
MAS
KING
1
IN
^DATE — L0/j0//'C:,
1
CR1
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
14
13
12
11
10
9
U1 : MC1312P
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
U3 : MC1314P
U2 : MC1315P
B
C
E
Q1
C42
R x
C33
C5
R6
R5
C6
C11
R7
C7
R8
C2
R2
C4
R4
C3
R3
C1
R1
C10
R11
R14
C13
R22
R31
C28
C24
C23
C29
C45
C25
C31
C26
C27
C30
R24
R32
R25
C40
C16
R16
C17
R28
C19
R17
C18
R29
R10
C9
R9
C8
C15
R15
C14
R30
C44 R18
C21
C38
C37
R20
R19
C41
C21
R23
C32
R33
R13
R21
C34 C35 C36
2
1
15
11
4
9
7
8
10
5
6
13
3
14
15
R input
L input
+15V
LF
output
Logic
control "Q"
RF
output
Logic control "R"
RR output
LR output
Logic control "O"
Logic control "P"
GND
Logic control "N"
-15 V
+15 V
BOSE SQM-1 FULL LOGIC DECODER BOARD
DWG nr. 103663
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