service manual for
Thule Audio
IA100
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
654321
TAPE IN
J1
2 POL PHONO
L
R136
R
68R
R135
68R
D
R25
2k2
J6
2 POL PHONO
L
R
R26
2k2
VIDEOTAPE OUT
J2
2 POL PHONO
L
R17
2k2
R18
R
2k2
CD
J3
2 POL PHONO
L
R19
2k2
R20
R
R21
2k2
2k2
TUNER
J4
2 POL PHONO
L
AUX
J5
2 POL PHONO
R
R22
2k2
L
R23
2k2
R24
R
2k2
D
15Z4
X14Y
X012X113Y02Y11Z05Z13INH6A11B10C
Tape Mon. ON
Video ON
CD ON
TUNER ON
AUX ON
O015O11O22O33O44O55O66O77Q7
U6
HEF4053
9
9
U5
74HC595
SER14SRCLK11SRCLR10RCLK12E
13
C7
+Vdig
150p
Clock HC595
load HC595
SD HC595
STBY/OPERATE
CLOCK Potm
+Vdig
Title
Number RevisionSize
EM1070B 2
C
Date: 4-May-2001 Sheet of
File: D:\ELEKTR~1\THULED~1\EM1070B2.SCHDrawn By:
+5Vdig
DGND
n.c.
DATA Potm
n.c.
ID Potm
n.c.
n.c.
Switch Circuit, SPIRIT AMP2/3
C
P9
1
2
1 Pol Phono
B
P8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
14 HEADER
A
1 2
AT
R155
6A11B10C9
INH
NTC 7A
15Z4
X14Y
X012X113Y02Y11Z05Z13INH6A11B10C
13Y02Y11Z05Z13
X012X1
X14Y15Z
4
U7
HEF4053
9
R_SW
L_SW
STBY/OPERATE
Balanced output (only C1)
J12
2
2
3
3
1
1
XLR MALE
J13
2
2
3
3
1
1
XLR MALE
R152
68R
J7
C
B
A
L
Pre OutMain In
R
2 POL PHONO
R153
68R
R119
2k2
J8
L
R
2 POL PHONO
R120
2k2
balanced input circuit (only M1/M2)
R163
10k
10k
J15
XLR FEMALE
J14
XLR FEMALE
R162
2
2
R170
3
3
1
1
33k
R161
10k
10k
R160
2
2
R168
3
3
1
1
33k
1 2 3 4 5 6
-7.4Vreg
R159
U9A
10k
R166
1
68R
+7.4Vreg
R167
68R
7
R156
10k
LM833
U10B
5
7
6
R171
10k
C75
150p
+7.4Vreg
84
LM833
U10A
3
1
2
R169
10k
C74
-7.4Vreg
150p
2
3
8 4
U9B
5
6
OPA2134UA
from balanced input (only M1/M2)
R158
10k
OPA2134UA
R157
10k
Lline Rline
MAIN IN
SW1
2P Slide SW
+50V
+7.4Vreg
1
-7.4Vreg
7
PRE
1234567
8
VDD
10u 16V
R139
680R 3W
REG1
LM317T
1
C40
10u 16V
C41
10u 16V
1
REG2
LM337T
R140
680R 3W
VEE
-50V
84
U11A
3
2
R150
LM833
U11B
LM833
C57
Vin
GND
2
2
GND
Vin
C58
10u 16V
22k
R151
22k
5
6
3
Vout
+7.4Vreg
270R
R137
C55
R47
1k33
10u 16V
R48
C56
10u 16V
1k33
R138
270R
3
Vout
-7.4Vreg
1k
C11
100n
D18
PMLL4148
Solder_term
VSS
R112
L+_REG
NU
R110
+7.4Vreg
0R
84
U4A
OPA2134UA
3
1
2
C50
R1110R
100n
7
R175
-7.4Vreg
R109
L-_REG
NU
R100
0R
OPA2134UA
R99
0R
+Vdig
+5Vdig
To diode, M1
J16
1
2
R108
NU
U4B
5
R106
6
NU
REG3
LM317T
3
Vin
Vout
R184
GND
330R
2
R174
1k
15Z4
X14Y
X012X113Y02Y11Z05Z13INH6A11B10C
C24
1uF
-7.4Vreg +7.4Vreg
14
15
16
17
18
19
20
IN2
VSS1
OUT2
VDD2
GND2
GND AC1OUT12GND13GND AC5GND AC6VSS27LOGIC GND8CLOCK9LOAD/SHIFT
R154
1
680R 3W
C76
10u 16V
0Vdig
IN1
4
C8
1uF
+50V
F6.3A/250V
GND AC
GND AC
-7.4Vreg
1N5401
S5
123J9123
230V in To Mains SW To Transformer
U8
HEF4053
9
13
VDD1
C148
N.U.
C73
3300u 6V3
R98
2k2
12
DATA OUT
D16
D17
J10
11
DATA IN
10
1N5401
LM1972M
123
HEF4053
U13
U3
J11
87654321
D
C
B
Rline
Amplifier circuit right: AMP2/3, POWER2
A
Z12
L-_REG
R93
10k
R95
Lline
1k
C78
33V
470n
1
U12A
R178
22k
C23
1n5
R177
4k3
Amplifier circuit left: AMP2/3, POWER2
U12B
5
7
6
C80
1458
R183
470n
330k
R179
22k
R97
10k
R94
1k
1n5
4k3
C30
R176
R181
330k
C77470n
2
3
330k
1458
R180
8 4
33V
Z11
R82
1k2
Q47
BC850C
Q3
R182
330k
C79
R83
470n
1k2
BC846
R32
0R
BC846
Q10
R92
N.U.
R105
N.U.
Q48
BC846
N.U.
R29
R103
0R
N.U.
R1
100k
Q4
R84
BC846 Q5
270R
R96
N.U.
R107
N.U.
Q15
Q16
N.U.
R104
N.U.
R4
100k
Q11
R85
BC846 Q12
270R
R79
180R
Q17
BC856
Q33
BCP53
C1
R2
100n
100k
Q31
BC846
BCP56
R78
68R
R81
180R
Q24
BC856
Q34
BCP53
C9
R5
100n
100k
Q32
BC846
BCP56
R65
R80
68R
BC846
10u 50V
10u 50V
C16
R30
330R
C17
R87
*fusible*
10k
R73
C12
10u 50V
+
22k
100p
C22
R27
330R
STBY2
100k
R62
R3
C13
+
22k
4k3
R72
Q19
BC846
10k
R89
*fusible*
R75
+
2SA1163
100p
C29
STBY1
100k
R66
+
4k3
*fusible*
R74
R88
Q25
Q7
C32
100n
2k2
R34
R7
R59
100k
BC856
Q13
C33
100n
R37
2k2
R12
22k
10u 50V
100k
BC856
*fusible*
Q14
BC846R622k
2SA1163
Q8
R86
L+_REG
2R2
R10
R11
2k2
2k2
BC856
Q22
Q23
2SC2713
CW
R90
R28
330R
2SC3420BL
Q27
R36
10k
2SC3420BL
Q45
2SC2713
R33
Q52
10k
Q1
Q50
2SA1163
2SC2713
Q46
2SC2713
Q51
Q2
2SA1163
Q49
R101330k
D6
PMLL4148
R9
1k5
BC850C
100R Trim
2R2
2R2
R15
R16
2k2
2k2
BC856
Q26
R102330k
D3
PMLL4148
R14
R91
1k5
CW
100R Trim
R31
330R
2R2
22k
R35
2SD1760
Q29
2SC4278
Q41
Q42
2SC4278
330R
R39
R8
R173
2k2
1k
R40
330R
Q35
2SB1184
22k
R38
2SD1760
Q30
330R
R42
R13
R172
2k2
100n
1k
C10
R41
330R
Q36
2SB1184
R126
R128
100n
0R05
0R1
R127
R129
C2
0R1
0R1
Q38
2SA1633
Q37
2SA1633
R Feedback
Q44
2SC4278
2SC4278
Q43
R124
0R1
0R05
R122
R123
R125
0R1
0R1
Q40
2SA1633
Q39
2SA1633
L Feedback
RESET FUSE, 4 Amp
S4
RESET FUSE, 4 Amp
R77
0R22 1W
S3
P6
4 WAY PIN
100n
123
4
R76
10mF 50V
10mF 50V
0R22 1W
C21
+ C19
C31
C5
100n
+
C6
C20
100n
10mF 50V
10mF 50V
0Vdig
Q9
BC846
C15
10u 16V
+50V
R45
1k
8
7
6
5
K1
C2
N02
NC2
COIL
NO1
C1
NC1
COIL
Relay power 8A/24V
1
2
3
4
+
+
C18
+
1k
R46
D1
PMLL4148
BC846
D5
Q6
+7.4Vreg
PMLL4148
PMLL4148
Switch circuit
VSS1
PCB Washer
100k
STBY/OPERATE
R60
100k
D4
100k
Q18
BC856
R57
47k
R56
100k
VDD2
R43
330R
VDD1
Z1
3V9
Z2
3V9
VSS2
R44
330R
-7.4Vreg
+50v
GND spacer
G1
-50V
STBY1
R63
STBY2
Z10
3V9
R71
22k
R55
C14
3V9
Z5
- CONFIDENTIAL -
1N5401
1N5401
D10
D12
C25
100n
D11
D13
C26
100n
1N5401
1N5401
2SA1163
R64
+50V
Q21
22k
Q20
2SA1163
100k
VDD2
+
10u 16V
U2A
D2
9
PMLL4148
R61
4075
100k
VSS2
1N5401
1N5401
D8
D14
C27
100n
D9
D15
C28
100n
1N5401
1N5401
Protection circuit M1,M2,A3
33V
Z4
R51
R50
VSS1
47k
U1D
11
R52
4093
100k
8
2
1
6
10
10
U2C
P7
4 WAY PIN
FUSE T6,3A/250V
FUSE T6,3A/250V
U1C
4093
U2B
4075
4075
D
1
2
3
4
4way screw term
4
P5
S1
S2
9
8
R49
100k
13
12
5
4
3
13
12
11
100k
R54
3
2
1
C89
100n
C3
R70
4R7 2W
NU
VDD1
R58
100k
33V
Z3
-50V
R67
1M
U1B
6
4
5
4093
R53
100k
C34 470n
C35
470n
U1A
2
3
1
4093
R68
1M
C88
NU
100n
C4
R69
4R7 2W
C
P4
PIN
P3
PIN
L
B
+
P1
R
PIN
P2
-
A
PIN
Title
EM70B3A3.SCH
1 2 3 4 5 6 7 8
A-BX7, Amplifier circuit
Size: Number:
A2
Power circuit, AMP2/AMP3 amplifier
EM-1022 "POW_ABX7.SCH"0
Revision:
Date:File:
4-May-2001 21:37:11D:\ELEKTR~1\THULED~1\EM1070A3.SCH
EM-1070A2 rev.4
Protel Technology Inc.
4675 Stevens Creek Blvd.
Suite 200
Santa Clara, CA 95051
USA
Sheet ofTime:
0
1
2
Text
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