1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
F201
T2.5A 125V
C205
4700UF/50V
C208
104
C207
104
R205
1K
F1
BC60: T 1.5AL 250V
SW201:1
F202
T2.5A 125V
C206
4700UF/50V
C215
104
MAINS IN
SPEAKER
R209
4R7 1W
C204
104/275V
C203
104/275V
PLUG
220-240V ~ 50Hz
C201
104/250V
0V
115V
0V
+VCC
-VCC
T1
R202
4.7K
R203
4.7K
C209
22UF/25V
C216
22UF/25V
Z201
15V
Z202
15V
Q201
D667
Q202
B647
R201
150R 1W
R204
150R 1W
-VCC1
-VCC1
+VCC1
D206
1N5402
D207
1N5402
D205
1N5402
D208
1N5402
+VCC
10
9
3
1
7
4
8
5
IC201
LM3886
A
B
C
D
E
JK5
EFT SEND
C6
10UF
VR2:1
50KB
R12
10K
C8
47N
C19
10PF
R5
100K
VR4:1
50KB
C11
562
C12
562
5
6
7
IC2:2
TL072CP
R41
270R/3W
3
2
1
8
4
IC2:1
TL072CP
1
2
4
3
5
JK2
C3
101
R7
10K
R1
47K
5
6
7
IC1:2
TL072CP
VR1:1
50KA
R4
27K
1
2
4
3
5
JK1
3
2
1
8
4
IC1:1
TL072CP
R8
68K
C18
47PF
R30
10K
5
6
7
IC3:2
TL072CP
R25
47K
C17
100PF
C38
10UF
R28
100R
A
B
C
D
E
JK4
LINE OUT
3
2
1
8
4
IC3:1
TL072CP
R23
10k
+VCC1
-VCC1
CN2-1
CN2-2
C2
101
R10
3K6
VR3:1
50KB
C10
153
R11
3K6
160mV
65mV
R17
47K
R24
10K
CN1-2
CN1-1
C5
10P
C9
153
C14
15NF
C15
15NF
R20
10K
C211
10UF
C212
47P
R207
20K
R206
20K
-VCC
C214
47P
R210
20K
+VCC
C213
221
C217
22UF/25V
C210
22UF/25V
A
B
C
D
E
JK6
EFT RETURN
A
B
C
D
E
JK3
PHONE OUT
OPTO
MPY7P
R216
10K
C25
100PF
R37
47K
5
6
7
IC4:2
TL072CP
R35
4.7K
C26
100PF
R38
47K
3
2
1
8
4
IC4:1
TL072CP
R36
4.7K
R211
27K
C219
100UF
-VCC
R39
10K
R40
10K
R212
30K
1
2
CN4:2
1
2
CN4:1
JK7
VR5:1
50KA
CN2-3
CN2-4
1
2
3
CN5A
1
2
3
CN5B
1
2
CN6:1
Z203
30W=15V1/2W
R218
10K
R42
150K
C20
10UF
5
6
7
IC5:2
TL072CP
R32
24K
R31
10K
R33
15K
3
2
1
8
4
IC5:1
TL072CP
C21
47P
R34
3.6K
C22
104
C23
104
C24
104
R2
100K
1
2
3
4
5
6
CN3B
1
2
3
4
5
6
CN3A
R3
10K
R27
10K
R9
5K6
R6
5K6
C1
100N
a
b
a
b
BR1
W005M
R43
1K8
R44
1K8
60W=20V 1/2W
THIS PART ONLY BLUE CAB 60 USED
BC30: T0.8AL 250V
115V
BLUE CAB30(60) SCHEMATIC CIRCUIT DIAGRIAM
NOTES:UNLESS OTHERWISE SPECIFIED
1.ALL RESISTORS (UNLESS POWER AMP BOARD) VALUE ARE IN OHMS 1/8W
2.ALL RESISTORS VALUE OF POWER AMP BOARD ARE IN OHMS 1/4W
3. THIS SYMBOL ALERTS YOU TO IMPORTANT OPERATING AND
THIS SYMBOL ALERTS YOU TO IMPORTANT OPERATING
4.
AND MAINTENANCE INSTRUCTIONS
2.ALL CAPACITORS VALUE ARE IN PF
5.CN1=CN1A+CN1B;CN2=CN2A+CN2B;CN3=CN3A+CN3B;CN4=CN4A=CNAB;CN5=CN5A+CN5B
A
B
R208
100R 1W
D204
1N4001
C218
22UF/25V
FAN
THIS PART ONLY BLUE CAB 60 USED
A4
DWG.NO. SCALE
1:1
Part No:
SIGNATURE
DATA
Design
CHK
APP
Type:
BLUE CAB 30(60)
Xuli
05.12.10
Áè¼ÎµçÒôÓÐÏÞ¹«Ë¾
R219
47K
Q204
D667
R213
10K
Z205
24V
RT201
100K
R202
4.7K
R217
47K
Q205
MPSA13
Q203
MPSA92
R214
47K
WC BC 30(60)
F1
SW201:1
MAINS IN
PLUG
C201
104/250V
0V
120V
0V
T1
100-120V~ 60HZ
120V
BC30: T1.6AL 250V
BC60: T3AL 250V
Name:
Power bass speaker system
C0
105
