14
May. 2000
DB-700
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
POWER BOARD ASSY 230V/240V (02128534)
+VCC
-VCC
-VCC
TWEETER 8 ohm
WOOFER 8 ohm
+VCC
TREBLE
VOLUME
GAIN
CHORUS
INTENSITY
COMPRESSION
MID
FREQ
MID
LEVEL
BASS
MASTER
PHONES
LI
LIMITTER -
MASTER
AGND
MODELING
MULTIPLEX OUT
MULTIPLEX_C
MULTIPLEX_B
MULTIPLEX_A
SHAPE
CHORUS LED
CHORUS SW
PHONES CONT
A+15V
MUTE
A-15V
D+5V
DGND
CHORUS
SHAPE
POWER
+16 V
-16V
FUSIBLE
METAL OXIDE
METAL OXIDE
CEMENT
CEMENT
CEMENT
METAL OXIDE
CEMENT
CEMENT
CEMENT
CEMENT
F4
F3
FUSIBLE
CEMENT
CEMENT
FUSIBLE
COMMON
HOT
GND
Include Tw. Network board
CEMENT
CEMENT
Include Tw. Network board
F2449211
3.3/100V
3.3/100V
FUSIBLE
FUSIBLE
FUSIBLE
CHOKE TRANS
100V,117V,240V
230VE,230VD
J14:USE
J14:NO USE
CHOKE TRANS:NO USE
CHOKE TRANS:USE
100V/117V
230V/240V
T800mAL250V
T800mAL250V
T125mAL250V
T125mAL250V
T125mAL250V
T125mAL250V
F2
F3
F4
-16V
+16V
-16V
+16V
MODELING
COLD
HOT
F2
F2449212
W4
DB-700 SETTING
USE TEST MODE
TYPE : SOLD STATE
MASTER VOL : MAX
DB-700 POWER BOARD
1/13
-4.6 dbm
455 mV
+5.5 dbm
1.45 V
-11.1 dbm
215 mV
@8 ohm LOAD
@8 ohm LOAD
43.8 V
+35.0 dbm
@NO LOAD
7.7 V
+20.0 dbm
5/13
6/13
8/13
7/13
13/13
9/13
13/13
10/13
11/13
W4
W6
W5
W5
W6
W4
W1
W3
W2
W2
W3
W1
W2
W3
W1
W2
W3
W1
W3
W2
W9
W10
W7
W8
D
+ 15
- 15
+5
D
A
+
A
A
+
-
+5
D
+5
D
+5
D
+5
D
+5
D
+5
D
+5
D
+5
D
D
D
D
D
D
D
D
D
D
D
D
D
D
+5
D
+5
D
+5
D
+5
D
+ 15
- 15
A
F
F
- 15
- 15
+ 15
+ 15
A
A
+
A
A
A
A
A
F
A
+ 15
- 15
+ 15
+ 15
+ 15
- 15
A
A
A
+5
D
D
A
A
A
A
A
A
A
D
-
+
+
-
D
D
+5
D
+5
D
D
D
D
D
D
D
D
D
D
D
+5
D
D
F
F
F
- 15
C59
4700/100
C42
4700/100
R110
100 5W
C23
ECQE2224KF
T3
T2
T1
R92
10k 1/2W
C56
0.068
C33
NIU
Q16
2SA1837
C37
10/50 BP
R97
27k 1/2W
R108
47 1/4W
Q17
2SC4793
+
-
IC2A
M5218AP
2
3
1
C55
NIU
R49
27k 1/2W
R48
220 1/4W
+
-
IC2B
M5218AP
6
5
7
R136
22 1/2W
VR10A
RK09L1120 10kB
1
2
3
S
Q19
2SA1349
S
Q20
2SC3381
1
C39
0.068
JK10
YKB21-5005
1
2
3
4
5
7
8
Q25
2SC4793
R135
22 1/2W
VR4A
RK09L1120 10kB
1
2
3
VR8A
RK09L1120 10kB C.C.
1
2
3
VR6A
RK09L1120 10kB C.C.
1
2
3
VR7A
RK09L1120 10kB
1
2
3
VR 9A
RK0971111 10kB
11
12
13
VR9B
RK0971111 10kB
21
22
D27
L-34HDSL
SW7A
SPUP128100
12
11
13
+
-
IC3B
M5218AP
6
5
7
VR3A
RK09L1120 10kB
1
2
3
VR5A
RK09L1120 10kB C.C.
1
2
3
VR2A
RK09L1120 10kB
1
2
3
IC4
TC74HC4051AP
7
4
6
2
5
5
4
1
3
12
2
15
1
14
0
13
VEE
7
COM
3
C
9
B
10
A
11
INH
6
VCC
16
GND
8
CN8
W18 (Board in)
1
1
2
2
3
3
4
4
5
5
R76
10k 1/2W
Q29
2SK30ATM-GR
Q5
2SC3858
Q7
2SA1494
R63
100 5W
Q18
2SB1016AY
D10
MTZJ16B
D14
MTZJ16B
CN10
W17 (Board in)
1
1
2
2
3
3
4
4
CN11
W19 (Board in)
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
+
-
~
~
D6
PBPC803
D16
MTZJ16B
R101
5.6k 1/2W
L11
EXCELDR35V
R131
22k 1/2W
VR1
EVND8A 10kB
1
2
3
D20
1SS133
D21
1SS133
D25
1SS133
D23
1SS133
D15
1SS133
D18 1SS133
D19
1SS133
Q21
2SA1015GR
Q33
2SA1015GR
Q22
2SC1815GR
Q35
2SC1815GR
Q36
2SC1815GR
Q27
2SC2878A
Q34
2SC2878A
Q23
2SC2878A
C52
0.1
C43
NIU
C38
NIU
C44 NIU
C81
10p
C60
0.1
C66
0.1
C36
220p
C79 15p
C47
0.047
C34
NIU
C95
100p
C67
0.1
C68
0.1
C48
NIU
C78
680p
C94
100p
C91
0.1
L9
EXCELDR35V
L10
EXCELDR35V
C46
470/25
C89
3.3/50
C50
470/25
C80
10/16
C57
0.22/50
C54
33/16
C64
10/16
C25
470/100
C58
470/100
R31
5W 5.1
R66
0.33 5W
R62
0.33 5W
R46
100 5W
R109
100 5W
R70
3.3k
R129
100k
R81
330
R51
560
R116
22
R149
NIU
R53
1.8k
R79
2.7k
R87
820
R69
4.7k
R54
2.2k
R72
560
R73
6.8k
R132
15k
R124
22
R115
10k
R113
10k
R89
220
R68
560
R50
560
R120
10k
R125
15k
R52
47k
R55
330
R77
15k
R138
100
R141
100
R145
100
R143
100
R148
100
R144
100
R146
1k
R122
100k
R117
100
R142
100
R140
100
R133
100
R112
2.7k
R102
1M
R121
33k
R130
22k
R134
15k
R88
2.7k
R137
1k
R104
1M
R126
33k
R127
15k
R84
33k
R85
33k
R93
2.2k
R96
2.2k
R47
1M
R60
33k
R59
33k
R44
2.2 1/6W
Q6
2SC3858
Q8
2SA1494
R45
2.2 1/6W
R98
2.2 1/6W
R94
2.2 1/6W
R56
0.33 5W
R78
0.33 5W
D12
1SS133
C63
10/35
C62
10/35
R40
33 1/4W
R80
33k
Q2
2SA1837
R100
27 1/2W
R86
220 1/4W
R71
27k
R82
5.6k 1/2W
C61
10/25
D28
L-34HDSL
D13
1SS133
R90
1M
Q28
2SC1815GR
R91
33k
R95
5.6k 1/2W
R29
RXE010
CN4
W13(Board in)
1
2
C22
ECQE1335KF
C21
ECQE1335KF
R32
5W 5.1
R30
5W 5.1
L8
0.18mH
J92
J14
C99
0.1
R75
22k
C45
470/25
C49
470/25
R57
10k
C88
0.1
R61
390
R58
47k
R128
22k
R65
33k
Q14
2SA970GR
C93
0.1
Q15
2SA970GR
C65
10/16
C96
0.1
R103
390
Q31
2SC2240GR
R106
47k
R107
10k
Q32
2SC2240GR
D11
1SS133
R105
100k
R83
33k
D9
1N4004G
Q30
2SA1015GR
R64
22k
Q24
2SC1815GR
D26
MTZJ16B
R111
10k
C41
0.47/100
R67
100k
R74
22k
C77
0.47/50
C51
22/100
R99
1k
R150
100
R114
100
D22
1SS133
1
2
D24
1SS133
SW8B
21
22
23
25
24
SW8A
SRBM13N-F15
12
13
14
11
15
+
-
IC3A
M5218AP
2
3
1
C97
0.1
T4
C90
0.01
C28
0.1
+
-
~
~
D8
W04G
T5
R139
10k
C35
0.1
D17
1SS133
CN7
W14 (Board in)
1
2
3
C75
0.01
C72
0.1
C40
3300/16
R147
10k
C31
EC8472MH
C29
0.1
SW7B
22
21
23
C98
0.1
IC1
TA7805S
IN
OUT
CO
M
R118
100k
C92
0.1
D7
1SS133
C32
470/16
CN6
W14 (Board in)
1
2
3
C86
0.1
C53
0.068
Q13
2SD1407AY
C82
10/25
CN9
W13 (Board in)
1
2
6