Page 1
LS-622A
LS-822A
LS-1222A
Service-Dokumente
Service-documents
Documents de service
Documentos de servicio
Version 1.0
Page 2
C2
IN1
D
STEREO L/MON
IN2
STEREO R
C
IO1B
3P2.5MM
B
R1
1K
47U
C247U
R3
1K
LINE INPUT
R42
10K
R46
C5K
R2
1K
1
2
3
5
6
R44
10K
R47
C5K
3
2
1
2
3
IC1A
4558
C24
47P
-15V
4
ELECTRO1
8
VCC
R45
10K
C25
47P
IO1A
3P2.5MM
R43
10K
IC1B
HIGH
R13
B50K
C13183
R24
1K
C18
R11
1K3
123
C1
1
47U
R5
47K
R7910R
MID
R37
6K8
B50K
123
C26
333
R14
C16
R4810K
R19
B50K
LOW
R18
B50K
C15183
R25
1K
C19
R12
1K3
123
C9
7
47U
R6
47K
R9910R
R39
6K8
B50K
R22
123
C28
333
R23
B50K
C30
R4910K
C1047U
C2
47U
C29333
R8910R
C27333
R386K8
R10910R
R406K8
C11
47U
C6
47U
C17
183
C14
183
IC2A
3
2
4558
1M
R26
C20
20P
C3
1
47U
LEVEL
R28
22K
R15
B50K
C4
47U
R50
3K9
IC3A
3
2
4558
R31
36K
C21
20P
PAN
C5
1
R30
47U
22K
D5 PCB
-15
4
R27
8
1M
IC2BELECTRO1
VCC
C22
20P
C7
47U
R29
22K
R20
B50K
C12
47U
R513K9
7
5
6
-15
4
IC3B
5
6
VCC
R32
36K
C2320P
C847U
7
4580
8
R21
B50K
R33
5K1
R53
5K1
R17
B50K
R16
B50K
R34
5K1
R355K1
POST BUS
R35
5K1
R35
5K1
R52
4K7
STL BUS
G1 BUS
STR BUS
G2 BUS
POST/EFF
R36
6K8
Q2
C1815
Q1
C1815
VCC
R411K5
D1
PEAK
D
C
B
R4
1K
STEREO TONE PART
A
LS-622A/822A/1222A
05/05/26
www.omnitronic.com
A
®
Page 3
321
4
D
R?
22K
R?10K
C?47U
C
10U/16V
C?
680P
R?
103
R?2K2
C?
R?
47K
R?22K
R?
470R
R?
1K
C?
104
C?103
R?
C?
10U/16V
IO1
EFO
DG
EFIN
B
ADJ
+15V
1
2
3
4
5
R?
7805
1 2
C?10U
C?220U
47K
+5
C?
330P
R?
LM113N
C?
380P
C?
4 5
3
6
2
7
1
8
14
13
12
11
10
9
74LS624
+5
1
2
3
4
5
6
78
C? 104
+5
C?
104
C?
20P
D? IN4148
+5
C?
104
C?
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
M50195
D?
4148
+5
1819
17
16
15
14
13
12
11
10
R?
10K
C?104C?104
Q? 4164
9
8
7
6
5
4
3
2
1
C?
47U/16V
89
7
10
6
11
5
12
4
13
3
14
2
15
1
16
+5
D
C
B
ECHO PART
A
1 2 34
LS-622A/822A/1222A
21/04/04
www.omnitronic.com
A
®
Page 4
321
4
D
822
C
1U
6.4KHz
1K
821
1K
683
100K
100K
2
3
2
3
8
4
U4 2/2 B
1
U1 2/2 B
1
63Hz
63Hz
1K
1U
B
683
100K
2
1
3
U1 2/2 B
150Hz
334
15KHz
332
150Hz
334
400Hz
1K
273
1K
271
100K
100K
2
1
3
U2 2/2 B
2
1
3
U4 2/2 B
LBUS
124
47U
1K
123
22P
100K
10K
2
3
2
1
3
U3 2/2 B
C?
1
47U
U1 2/2 B
B10K
1KHz
1K
473
472
L LEVEL
5K6
100K
2
3
2
3
10K
U4 2/2 B
U1 2/2 B
1
5K6
1
D1A PCB
400Hz
1K
273
100K
2
1
3
U2 2/2 B
124
1K
123
100K
2
1
3
U3 2/2 B
473
1KHz
1K
472
100K
2
1
3
U4 2/2 B
2.5KHz
183
47P
10K
2
3
4K7
2.5KHz
183
1K
182
1K
U1 2/2 B
182
2
1
3
U4 2/2 B
100K
1
100K
47U
47U
C?
47U
2
3
120R
1K
5K6
U4 2/2 B
L OUT
TO AMP
TO LED
1
D
C
B
47U
22P
10K
2
3
U1 2/2 B
4K7
10K
47P
2
1
3
U1 2/2 B
47U
47U
C?
47U
120R
1K
5K6
R OUT
TO AMP
TO LED
A
1
B10K
5K6
10K
2
3
U1 2/2 B
5K6
1
R LEVEL
C?47U
LS-622A/822A/1222A
05/05/26
www.omnitronic.com
®
6.4KHz
822
1K
A
821
100K
2
1
3
U4 2/2 B
15KHz
332
1K
271
100K
2
1
3
U4 2/2 B
STR BUS
MASTER PART
1 2 3 4
Page 5
54321
R16
+15V
10K
D
R2
C12
1k
102
IO1A
3P2.5MM
1
2
3
C
R5
C13
1K
102
B
IN1
12
3
MICROPHONE
IN2
A
LIN INPUT
1 2 3 4 56
-15V
+15V
R3615K
R13
15K
R37
10K
9014
9014
Q4
Q5
R38
100R
TREM
VR1
C20K
C18
220u
R17
47K
R16k8
R1
6k8
R1
10R
R27
10R
R42
2K2
R41
2K2
6
5
C2
47U
R12
47K
R1147P
48V BUS
C4
47U
C1
47U
C5
47U
C11
470P
15V
8
IC1B
4558
4
-15V
D2B PCB
C6
7
47U
6
5
IO1B
3P2.5MM
1
2
3
C10
47K
R39
47K
15V
-15V
8
4
HIGH
C14222
IC1B
JNM4558
VR2
B50K
R18
3.3K
R19
47K
IC1A
4558
2
3
7
1
R31
10K
SAME AS 1-8 CHANNElS
R30
10K
R2147K
C15
103
D2A PCB
R32
47K
15V
6
5
C16472
-15V
R103.3K
R28
6K8
8
4
IC2B
4558
R2218K
7
VR3
B10K
LOW
VR4B50K
C19
103
R23
18K
IC2A
2
3
4558
LEVEL
1
C7
SP
47U
B10K
R34
20K
R24
6K8
PAN
R256K8
POST
VR5
B10K
R40
10K
R26
6K8
VR6
B10K
R28
6K8
R296K8
R286K8
STL BUS
G1 BUS
STR BUS
G2 BUS
POST BUS
MID
PEAK
+15V
-15V
C9
47U
R9
47R
VSS
R6
4K7
R7
100K
C1815
Q7
A562
R8100K
R35
47R
C8
C17
104
Q6
47U
TONE PART
LS-622A/822A/1222A
6
D
C
B
A
05/05/26
®
www.omnitronic.com
Page 6
54321
6
D
HEADPHONE PART
C
LIN
RIN
B
R5
B10K
R6B10K
C4
47U
C2
47U
R3
15K
1
3
R415K
3
J1
LM386
J2
LM386
R7120R
R12120R
R1
10R
R2
10R
L OUT
R OUT
PRE
R32
2K2
5
5
C1
47U
C3
47U
C21
CON6
R40
36K
VCC
8
IC4B
6
4580
5
4
-15V
C1847U
7
SEND&RETURN PART
C9
RET IN
47U
R41
20K
SEND OUT
R14
10K
R27
22K
VR6
B50K
R31
2K2
C19
10P
R34
36K
IC4A
4558
2
3
C13
47U
R36
5K1
R37
5K1
LBUS
RBUS1
1
D
C
B
PUBLIC PART
A
LS-622A/822A/1222A
05/05/26
www.omnitronic.com
1 2 3 4 56
A
®
Page 7
54321
6
D
C
B
A
AMP IN
N1
1
2
R7
15K
R1
470R
22K
500R
C15
10u50V
R6
R13
W1
10K
47u35V
R16270R
R915K
R3
1K5
C14
102
AMP PART
+VCC
R10
1K
D1
4148
C17
47P
Q1
C2240
R12
47K
C7
Q3
C2240
D2
4148
R14
10K
R11
1K
Q2
C2240
Q4
C2240
R8
15K
R15
10K
C18
C9
22u50V
47u50V
R22 18K
R2
470R
TO FAN POWER SUPPLY
10K1W
R20
220R
+5V
R18
Q5
B649
Q7
D669
100P
R17
68R
Q6
B649
C19
1K5
W2
500R
R21
220R
D4
4148
D5
4148
R4
R5
1K5
Q8
D669
12V
C11
220U/25
Q10
D669
C10
100P
Q14TIP41C
D3
4148
C23
10u50V
Q8
5551
R19
D6
C21
100P
270R1W
Q9
5401
C6
10u50V
4148
Q12
TIP42C
Q17
TIP41C
2 1
C10220U/25V
C2
102
R4220
D205V
TO MAIN BAOD POWER SUPPLY
Q15-1C5200 Q15-2C5200 Q15-3C5200
R24
R32
R475W
R475W
15V
R34
820R
D7
4148
D84148
R30
820R
220U/25V
220U/25V
Q13-2
A1943
3
C9
220U/25V
R27820R
R26
820R
R29
820R
Q13-1
A1943
820R
R3
1K
R25
D19
4744
-15V
R31
R475W
R33
R475W
Q16
TIP41C
2 1
3
Q18
TIP42C
220U/25V
220U/25V
3
C5
C6
C7
C8
R23
820R
Q13-3A1943
R28
820R
21
R1
1K
R21K
-VCC
4745
D17
4745
R35
R475W
R36
R475W
D18
C3
2200U/35V
C4
2200U/35V
P1
R39
1K
A0
L1
R37
10R1W
C26
104
+VCC
-VCC
C1
104
1
C2
104
R4010K
R38
4R72W
C12
6800U/63V
C13
6800U/63V
2
4
+15V
2
D9-D12
R41
12K
R42
33K
R43100R
Q11
C1815
10U/50V
R44
47K
R45
470K
A562
47K
22K
47U/16V
100U/16V
IC
UPC1237HA
1234567
100K
R4622K
47U/16V
R48
4K7
R4910R/3W
8
R4768K
1N4007
D
SPEAKER OUT
J1 J2
KJ
F3
3
6A
C16
104/100V
BD1(13-16)
4
F4
6A
1
C17
104/100V
T1
K1
F5
10A
C27
104/400V
L
F1
3
2A
F2
2A
C19
104/100V
C18
104/100V
POWER SUPPLY
C
B
A
LS-622A/822A/1222A
05/05/26
1 2 3 4 56
www.omnitronic.com
®
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