service manual for
Thule Audio
IA150B
VCC
Port
Q3
654321
RCLK
VCC
14
SER
C5
E
VCC
11
10
12
13
C8
100n
Load Clock
100n
C6
C1
10u 16V
1
2
3
4
5
6
7
8
9
10
STBY/OPERATE
L/Shift
DATA Potm
Load HC595
Clock Potm
SD HC595
Clock HC595
10k
R5
10u 16V
+
U3
RST
P3.0
P3.1
XTAL2
XTAL1
P3.2/INT0
P3.3/INT1
P3.4
P3.5
GND
+ C3
VCC
10u 16V
R4
22R
C2
+
BC850C
10k
Q1
AT89
2
1
3
IR-Receiver
SW2
24 CYCL.ENCODER
VOLUME ATTENUATOR
SER
SECLK
VCC
R9
R6
47k
BC850C
R3
10k
Q2
20
VCC
19
P1.7
18
P1.6
17
P1.5
16
P1.4
15
P1.3
14
P1.2
13
P1.1
12
P1.0
11
P3.6
IR1
VCC
VOUT
GND
TFMS5380
COM
1
B
2
3
A
VSS
VCC
R1 2k2
R2 2k2
R19 2k2
R20 2k2
R21 2k2
R29 1k
R30 1k
VCC
R22 2k2
2k2
R26
R23
2k2
2k2
R27
2k2
R28
R25 1k
R24
2k2
standby
SW1
1
2
3
4
PMS SW
Title
Number RevisionSize
B
Date: 4-May-2001 Sheet of
File: D:\ELEKTR~1\THULED~1\EM1050_3.SCHDrawn By:
D
C
B
A
D
Q4
BC850C
D7
RED LED
C
470R
D8
LED1
D9
LED1
D10
LED1
B
A
1 2 3 4 5 6
R7
R16
470R
R17
470R
R18
470R
DISP1
1
G
DP
A
F
COM1
DUAL_DISP
D3
RED LEDD4RED LED
TUNER
AUX
15
1
2
3
4
5
6
7
9
COM2
U4
2
3
4
5
D2
D1
RED LED
RED LED
CD
470R
R8
STBY_LED
BALANCE
TREBLE
BASS
Pin 1: Clock HC595, AUX/TUNER
Pin 2: Load HC595, TAPE MON/LINE
Pin 3: SD HC595, -1/0dB
Pin 4: n.c.
Pin 5: CLOCK POTM
Pin 6: +5V DIG
Pin 7: GND DIG
O0
O1
O2
O3
O4
O5
O6
O7
Q7
B
C
E
D
D5
RED LED
BAL
10
9
8
7
6
D6
RED LED
TAPE1
SRCLK
SRCLR
RCLK
74HC595
470RTAPE2
SER
E
JP1
1 2
3 4
5 6
7 8
9 10
11 12
13 14
HEADER 7X2
BC850C
470R R31
470R R32
470R
470R
470R R35
470R R36
470R
VCC
R10470R
R11470R
R12470R
R13470R
R15
14
11
10
12
13
15
1
R14
2
3
4
R33
5
R34
6
7
9
U2
15
O0
1
O1
2
O2
3
O3
4
O4
5
O5
6
O6
7
O7
9
74HC595
Q7
VCC
12.0MHz
VCC
C7
100u 16V
Pin 8: n.c.
Pin 9: DATA POTM
Pin 10: n.c.
Pin 11: LOAD/SHIFT POTM, ID
Pin 12: n.c.
Pin 13: n.c., STBY/OPERATE
Pin 14: n.c.
U1
O0
O1
O2
O3
O4
O5
O6
O7
Q7
SRCLK
SRCLR
RCLK
SRCLK
SRCLR
74HC595
14
SER
11
10
12
13
E
C4
22p
X1
22p
87654321
P3
4PIN
FUSE T12A/250V
FUSE T12A/250V
U2C
4093
13
12
U3B
4075
U3C
4075
Revision:
Date:File:
D3
R66
68R
C21
100u 35V
C22
100u 35V
R67
68R
R166
68R
C121
100u 35V
C122
100u 35V
R167
68R
S3
S4
9
8
R211
100k
5
4
3
13
12
11
R219
100k
9-May-2001 23:56:28D:\ELEKTR~1\THULED~1\EM1015A1.SCH
1
2
3
4
R218
100k
3
4
PMLL4148
D6
PMLL4148
D103
PMLL4148
D106
PMLL4148
R210
100k
R212
100k
Z204
12V
U2A
4093
U2B
4093
Thule Audio APS
Hørkær 14
2730 Herlev
Denmark
D4
PMLL4148
D5
PMLL4148
D104
PMLL4148
100u 35V
P2
4way screw term
R220
10R
C204
100n
VDD1
Z205
12V
-20VR-20VL
C206
470n
C208
470n
C210
R226
10R
Sheet ofTime:
C23 100u 35V
C24 100u 35V
C123 100u 35V
D105
PMLL4148
C124
1
2
3
4
R2221MR223
2
1
6
5
R224
1M
100n
1
1
S8
T250MA
T250MA
S7
S6 T250MA
S5 T250MA
R221
10R
C205
100n
P4A
+
PIN
PIN
L
P4B
PIN
PIN
1M
C207
470n
C209
470n
R225
1M
P5A
+
PIN
PIN
R
P5B
PIN
PIN
C211
100n
R227
10R
2
D
C
B
A
REG7
1
8
Vin
n.c.
2
7
Vout
Vout
3
6
Vout
Vout
10mF 50V
10mF 50V
R204
100k
Q205
BC860C
R214
100k
C27
C28
100k
D203
4U7 35V
R200
330R
VDD1
Z200
3V9
Z201
3V9
VSS2
R201
330R
C25
10mF 50V
C26
10mF 50V
STBY1
R203
STBY2
STBY
STBY3
STBY4
R206
4k3
R213
100k
Switch circuit
SWI_MK3.SCH
+26VRreg
5
C17
LM317LM
-26VRreg
C18
8
4u7 35V
7
6
5
LM337LM
8
7
6
+26VLreg
5
C117
LM317LM
4u7 35V
8
7
C118
6
5
4u7 35V
LM337LM
-26VLreg
D9
BRIDGE 10A
D10
BRIDGE 10A
Q201
R205
BC860CQ200
100k
Q202
BC860C
Q203
BC860C
Q204
BC860C
+5.5Vreg
C203
4u7 35V
BC850C
R215
100k
VSS2
Q206
D204
PMLL4148
R216
100k
U3A
9
4075
Title
Spirit Amp1, Amplifier circuit
Size: Number:
Z206
5V6
-20VL
REG8
n.c.
Vin
Vin
REG9
n.c.
Vout
Vout
REG10
n.c.
Vin
Vin
Z202
12V
R207
100k
A2
Adj4n.c.
R62
220R
Vout
Vin
Vin
Adj4n.c.
R63 220R
Vin
Vout
Vout
Adj4n.c.
R162220R
Vout
Vin
Vin
Adj4n.c.
R163220R
D7
BRIDGE 10A
BRIDGE 10A
+20VR+20VL
Z203
12V
R208
100k
R209
100k
-5.5Vreg
11
R217
100k
8
2
1
EM-1015 0
R64
4k3
C19 n.u.
1
2
3
C20 n.u.
R65 4k3
1
2
3
R1644k3
C119n.u.
1
2
C120
3
n.u.
R1654k3
D8
10
U2D
4093
6
10
P1
4 WAY PIN
R58
S1
C16
n.u.
K1
Relay power 8A/24V
D200
PMLL4148
P101
123
123
R59
0R22 1W
NO11N02
C12C2
NC13NC2
COIL4COIL
R159
0R22 1W
C116
n.u.
R60
4k3
R61
R160
4k3
R161
4
S102
S2
4
4k3
4k3
RESET FUSE, 3 Amp
- CONFIDENTIAL -
+5.5Vreg
RESET FUSE, 3 Amp
C200
470n
C201
-5.5Vreg
470n
+20VL
R68
C29
4k3
GND spacer
G1
100u 35V
100u 35V
C31
C32
100u 35V
0Vdig
PMLL4148
C202
STBY
5
6
7
8
C30
PCB Washer
BC850C
D201
4u7 35V
J10
1 POL PHONO
K101
COIL4COIL
NC13NC2
C12C2
NO11N02
Relay power 8A/24V
-20VL
+20VR
-20VR
PIN
D202
PMLL4148
PMLL4148
R69
4k3
8
7
6
5
R70
4k3
100u 35V
R71
4k3
Z1
5V6
R49
D
C
B
A
R
Z2
5V6
R50
R
R1
1k8R21k8
+Lline
-Lline
+Rline
-Rline
Q1
C1
BFR31Q2BFR31
100p
R3
C2
1k8R41k8
100p
Z101
5V6
R149
R
Z102
5V6
R150
R
R101
1k8
Q101
C101
BFR31
100p
R103
C102
1k8
100p
1 2 3 4 5 6 7 8
Q3
BC850C Q4
R5
430R
Q103
BC850C
R105
430R
R51
33k
R52
33k
R6
33kR933k
BC850CQ8BC850C
R151
33k
R152
33k
R102
1k8
Q102
BFR31
R104
1k8
R106
33k
Q104
BC850C
BC850C
R53
C11 470n
330k
C12
U1A
470n
2
1
8 4
1458
Q5
BC860C
C3
100n
R10
68R
C111 470n
U101A
1
1458
8 4
C113 470n
1458
R107
68R
Q105
BC860C
C103
100n
R109
33k
Q108
R110
68R
1458
C13 470n
R7
68R
Q6
BCP53
Q7
BCP56
Q106
BCP53
Q107
BCP56
R55
3
330k
R54
330k
C14
470n
67U1B
R56
5
330k
+26VLreg
R12
68R
Q9
R8
2k2
R14
33k
R11
BC850C
47k
R153
330k
2
3
R154
330k
67U101B
5
R108
2k2
R114
33k
Q112
R111
BC850C
47k
R13
2k2
BC860C
C4
100n
Q12
R15
68R
C112
470n
R155
330k
C114
470n
R156
330k
R112
68R
Q109
BC860C
C104
100n
R17
4k3
C5
R18
Q10
330R
BCP53
Q11
BCP56
R16
47k
R113
2k2
Q110
BCP53
Q111
BCP56
R115
68R
100p
C6
R19
330R
100p
R20
4k3
-26VLreg
+26VRreg
R117
4k3
C105
R118
330R
100p
C106
R119
330R
100p
R120
4k3
R116
47k
-26VRreg
R25
R26
2k2
2k2
Q13
BC860C
Q14
Q15
BC860C
BC850C
R27330k
PMLL4148
D1
STBY3
R21
100k
R22
Q16
BC850C
33k
330k
STBY1
R23
Q36
100k
R24
BC850C
33k
R125
2k2
STBY2
R121
Q116
100k
R122
BC850C
33k
STBY4
R123
Q136
100k
R124
BC850C
33k
R36
10k
R33
Q17
2k2
R34
100R Trim
CW
2SC3420
R35
330R
R29
R30
2k2
2k2
Q34
Q33
BC860C
BC860C
R31
PMLL4148
R40
D2
10k
R37
Q37
2k2
R38
100R Trim
CW
2SC3420
R39
330R
R126
2k2
Q113
Q114
BC860C
BC860C
R127330k
R136
D101
PMLL4148
10k
R133
Q117
2k2
CW
R134
100R Trim
2SC3420
R135
330R
R129
R130
2k2
2k2
Q133
Q134
BC860C
BC860C
R131330k
R140
D102
PMLL4148
10k
R137
Q137
2k2
R138
100R Trim
CW
2SC3420
R139
330R
Q18
BC850C
Q19
BC860C
Q35
BC850C
BC850C
R45
2k2C9100n
Q39
BC860C
Q115
BC850C
Q118
BC850C
R141
2K2
Q119
BC860C
Q135
BC850C
Q138
BC850C
R145
2k2
Q139
BC860C
R28 4k3
Q22
Q24
2SC4278
C10
100n
C108
100n
C110
100n
C8
100n
2SA1633
2SA1633
2SA1633
Q23
2SA1633
2SC4278
R72
R
R73RR75
Q25
2SA1633
Q42
2SC4278
R76RR78
R77RR79
Q43
Q122
2SC4278
R172RR174
R173
R
Q123
Q142
2SC4278
R176RR178
R177RR179
Q143
R74
R
R
R
R
R
R175
R
R
R
Q44
2SC4278
Q45
2SA1633
Q124
2SC4278
Q125
2SA1633
Q144
2SC4278
Q145
2SA1633
C15
100n
R57
4R7
R157
R
C115
100n
0R22 1W
RESET FUSE, 3 Amp
+20VL
4 WAY PIN
R158
0R22 1W
S101
RESET FUSE, 3 Amp
Q20
2SD1760
R42
100R
R44
C7
R41
2k2
100n
330R
R43
100R
Q21
2SB1184
R32 4k3
Q38
Q40
R46
100R
2SD1760
R48
330R
Q41
R47
100R
2SB1184
R128 4k3
Q120
R142
100R
2SD1760
R144
C107
330R
100n
Q121
R143
100R
2SB1184
R132 4k3
Q140
R146
100R
2SD1760
R148
C109
330R
100n
Q141
R147
100R
2SB1184
J2
XLR
1
R304
4k3
9
bass boost OFF
Treble cut ON
10
SRCLK11SRCLR
Treble: L=+1, H=+2
12E13
RCLK
Thule Audio
Horkær 14
2730 herlev
Denmark
87654321
33221
1
R302
4k3
10k
15Z4
X14Y
X012X113Y02Y11Z05Z13INH6A11B10C
Bass: L=-1,H=-2
Treble: L=-1,H=-2
9
U23
74HC595
13
0Vdig
9
BAL_ON
AUX_ON
TUNER_ON
TAPE2_ON
GND_CONNECT
2
Sheet ofTime:
J1
XLR
R301
4k3
D
U11
HEF4053
9
BAL_ON
C
B
A
2
R314
2K2 R313
84
1
C305
100p
R323
4k7
R324
4k7
C306
100p
7
2n2
84
1
C323
100p
R341
-15Vreg
4k7
R342
4k7
C324
100p
7
TAPE2 OUTPRE OUT1
J6
2 POL PHONO
L
R
7
-15Vreg
U8B
LM833
5
6
R359
33k
3
2
U4A
LM833
-15Vreg
U4B
6
5
LM833
U6A
3
2
LM833
U6B
6
5
LM833
BAL OUT RBAL OUT L BAL IN L BAL IN R
J8
J9
XLR
150R 2W
33221
1
1
R319RR318
R320
R
R
C362
7
R363
R
6
R372
n.u.
+20VL
R380
-20VL
R381
n.u.
5
U10B
1458
R364
R
U19
HEF4053
U20
HEF4053
100n
R362
R
C312
47n
X012X113Y02Y1
X14Y15Z
R336
39k
C341
100n
R354
39k
15Z4
X14Y
X012X113Y02Y11Z05Z13INH6A11B10C
C330
47n
+2 +1
2
C311
22n
1Z05Z13
4
C342
C329
22n
Bass boost OFF
R366
REG1
8
Vin
n.c.
7
Vout
Vout
6
Vout
Vout
5
Adj4n.c.
D
C
B
A
LM317LM
C344
470n
C345
470n
REG2
5
Adj4n.c.
6
Vin
Vin
7
Vin
Vin
8
Vout
n.c.
LM337LM -15Vreg
U21
LM1972
P300
Clock HC595
1
CLK HC595
Load HC595
2
LOAD HC595
SD HC595
3
SD HC595
n.c.
4
CLOCK Potm
5
+5Vdig
6
DGND
7
n.c.
8
DATA Potm
9
n.c.
10
LOAD/SHIFT Potm
11
n.c.
12
REM_BUS
13
n.c.
14
14 HEADER
R378
R
+5VDIG
D300
PMLL4148
U22
LM1972
1 2 3 4 5 6 7 8
+20VR
100R
1
+15Vreg
2
3
R367
C348
4u7 35V
390R
R368
4k3
R369
10
LOAD/SHIFT
DATA IN11DATA OUT12VDD113GND AC14VDD215GND AC16OUT217VSS118GND219IN2
4u7 35V
10
LOAD/SHIFT
DATA IN11DATA OUT12VDD113GND AC14VDD215GND AC16OUT217VSS118GND219IN2
+
+
C346
4u7 35V
+
C347
4u7 35V
4k3
+
4u7 35V
R370
3
2
1
D301
C349
390R
R371
-20VR
100R
+Lline
-5.5Vreg
2
3
6
7
8
9
4
IN1
VSS2
LOGIC GND
8
LOGIC GND
+5.5Vreg
GND1
GND AC5GND AC
-5.5Vreg+5.5Vreg
-Lline
+5VDIG
5
R374
330R
n.c.
LM317LM
+
C350
4
4u7 35V
R375
1k
C351
470n
R377
1k
3
4
R379
REG4
330R
Adj
0Vdig
LM337LM
n.c.5Vin6Vin7n.c.
C353
470n
+Rline
-5.5Vreg
2
3
6
7
4
IN1
VSS2
GND1
GND AC5GND AC
-5.5Vreg
-Rline
CLOCK
R373
2k2
+C352
PMLL4148
9
CLOCK
OUT1
Vout6Vout
OUT1
1
GND AC
20
7
8
REG3
n.c.
Vin1Vout2Vout3Adj
R376
150R 2W
1
Vin2Vin
Vout
8
1
GND AC
20
XLR
33221
R317
R
C361
1
100n
U10A
1458
3
TREB CUT ON
BAS BOOST OFF
C343
100n
Treble cut ON
84
6A11B10C9
J7
2 POL PHONO
L
R
R316
INH
BASS+
100nsupply HC4053
R
+5.5Vreg
-5.5Vreg
R315
R
C359
C360
R360
R
-15Vreg
U5A
OP275GS
1
7
1
7
1
100n
100n
84
+15Vreg
U9A
1458
3
2
+15Vreg
C338
84
100n
3
2
C309
47p
R331
-15VReg
10k
R332
10k
C310
U5B
47p
6
5
OP275GS
C3171nC318
2n2
6A11B10C9
INH
TREB+
BASS-
TREB-
9
-2 -1
C336
1n
2n2
+15VReg
84
U7A
C340
OP275GS
3
2
C327
47p
R349
-15VReg
10k
R350
10k
C328
U7B
47p
6
5
OP275GS
+15Vreg
C337
100n
R325
R329
10k
C307
10k
47p
R326
10k
R327
10k
R330
C308
47p
10k
R328
10k
C313
C3141nC315
C316
47n
22n
1Z05Z13
U17
X012X113Y02Y1
HEF4053
X14Y15Z
4
15Z4
U18
X14Y
HEF4053
X012X113Y02Y11Z05Z13INH6A11B10C
-2 -1
+1 +2
C334
C333
C335
100n
C3321nC331
22n
47n
2n2
4kHz 8kHz80Hz 160Hz
+15Vreg
C339
100n
R343
10k
R347
C325
10k
47p
R344
10k
R345
10k
47p
R348
C326
10k
R346
10k
7
+15Vreg-15Vreg
R361
R
U9B
1458
5
6
R365
R
R333
4k7
R335
39k
R334
4k7
R351
4k7
9
R353
39k
R352
4k7
R312
2K2 R311
2K2
C358
1
100n
U8A
LM833
3
2
R358
33k
C303
100p
C304
100p
C321
100p
C322
100p
TAPE2 (monitor)
J5
2 POL PHONO
L
R
2K2
+15Vreg
84
C301
1u
R321
100k
4
R337 39k
15
14
R322
R338 39k
100k
C302
1u
C319
1u
R339
100k
4
R355 39k
15
14
R340
R356 39k
100k
C320
1u
U15
Z
Y
X
HEF4053
U16
Z
Y
X
HEF4053
9
C
10
B
11
A
6
INH
3
Z1
5
Z0
1
Y1
2
Y0
13
X1
12
X0
9
C
10
B
11
A
6
INH
3
Z1
5
Z0
1
Y1
2
Y0
13
X1
12
X0
X14Y
X012X113Y02Y11Z05Z13INH6A11B10C
R310
2K2 R309
15Z4
R388
2K2
TUNER
J4
2 POL PHONO
L
R389
2K2
9
U14
HEF4053
R
+L
-L
+R
-R
TAPE2_ON
TREB BOOST ON
BASS CUT OFF
R308
2K2 R307
2K2
15Z4
X14Y
X012X113Y02Y11Z05Z13INH6A11B10C
+5Vdig
AUX
J3
2 POL PHONO
L
SW SPDT
SW1
R
2K2
AUX_ONTUNER_ON
0Vdig
0Vdig
C354
470n
C355
470n
Title
Size: Number:
+20VR
R382
300R
n.c.
Vout
Vout
Vout
Vout
Vin
Vin
Vout
n.c.
R387
300R
X14Y
X012X113Y02Y11Z05Z13INH6A11B10C
BAS BOOST OFF
TREB BOOST ON
1
Vin
2
3
Adj4n.c.
R384
1k
R385
1k
Adj4n.c.
3
Vin
2
Vin
1
-20VR
EM-1015 0
15Z4
TREB CUT ON
BASS CUT OFF
+5Vdig
0Vdig
U13
HEF4053
9
R393
10K
AUX_ON
BAL_ON
R394
10K
REG5
8
7
6
5
LM317LM
REG6
5
6
7
8
LM337LM -5.5Vreg
Spirit Amp, Switch circuit
A2
33221
R305
4k3
R306 10k R303
U12
HEF4053
GND_CONNECT
TREB+
BASS-
TREB-
BASS+
STBY
O015O11O22O33O44O55O66O77Q7
H=STBY, L=OPERATE
SER14SRCLK11SRCLR10RCLK12E
+5Vdig LOAD HC595
CLK HC595
SD HC595
14
U24
74HC595
SER
O015O11O22O33O44O55O66O77Q7
D302
PMLL4148
+5.5Vreg
R383
300R
+ C356
4u7 35V
+ C357
4u7 35V
R386
300R
Revision:
9-May-2001 23:57:12D:\ELEKTR~1\THULED~1\EM1015B1.SCH
Date:File:
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