Oct.2003
CHANGE INFORMATION
We can supply the spare parts mounted on PWB board.
Please refer to following items.
CUBE-15/CUBE-30
ADDITIONAL
SERVICE NOTES
Second edition
Issued by RJA
PARTS LIST(CUBE-15).....................................................2
PARTS LIST(CUBE-30).....................................................3
CIRCUIT BOARD(CUBE-15)...........................................4
CIRCUIT DIAGRAM(CUBE-15).....................................5
CIRCUIT BOARD(CUBE-30)...........................................6
CIRCUIT DIAGRAM(CUBE-30).....................................8
CIRCUIT DIAGRAM(CUBE-30)-1................................. 8
CIRCUIT DIAGRAM(CUBE-30)-2................................. 9
CIRCUIT DIAGRAM(CUBE-30)-3............................... 10
Copyright © 2003 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission
of ROLAND CORPORATION.
Printed in Japan (0800) (NB)17058193E1
Oct.2003
PARTS LIST(CUBE-15)
fig.part1e
SAFETY PRECAUTIONS:
The parts marked have
safety-related characteristics. Use
only listed parts for replacement.
NOTE: The parts marked # are new. (initial parts)
IC
SD000237 L79L08 IC (VOLTAGE REGULATOR) IC8
SD000235 TDA2050V IC (POWER AMP) IC6
SD000375 NJM072BD IC (OP AMP) IC1-5
TRANSISTOR
15129151 2SC1815-GR(TPE2) TRANSISTOR Q5,6,9,10,12
15129152 2SC2878-A(TPE2) TRANSISTOR Q13
15139112 2SK246-GR FET TRANSISTOR Q1
01678212 2SK2880-T12-E FET TRANSISTOR Q1-4,7,11
DIODE
SD000239 1N4007G 1A 1000V P=10MM DIODE D23,D25-28
SD000376 FAI3 GREEN DIODE LED1
SD000045 LED RED LED2
SD000236 L78L08 IC (VOLTAGE REGULATOR) IC7
15019126 1SS133 T-77 SWITCHING DIODE D1-16,18,20,22,24,29,30
CONSIDERATION ON PARTS ORDRING
When ordering any parts listed in the parts list, please specify the following items in the order sheet.
Failure to completely fill the above items with correct number and description will result in delayed or even
undelivered replacement.
QTY PART NUMBER DESCRIPTION MODEL NUMBER
Ex. 10 22575241 Sharp Key C-20/50
15 2247017300 Knob (orange) DAC-15D
RESISTOR
SD000378 2W 0.1 METAL OXIDE RESISTOR R89
SD000379 3W 120 METAL OXIDE RESISTOR R80
SD000240 6.8 OHM 1/2W METAL OXIDE RESISTOR R75
CAPACITOR
SD000380 2200/25V ELECTORIC CAPACITOR C75,80
FUSE,FUSE HOLDER
CONNECTOR
SD000252 352-TX119 AC TERMINAL T4,5
WIRING, CABLE
SD000385 WIRING W3 SPEAKER CABLE BLACK SP2 to SPEAKER SD000383 WIRING
SD000384 WIRING W2 SPEAKER CABLE RED SP1 to SPEAKER +
SD000382 WIRING W2 AC SWITCH CABLE RED P7 to AC SWITCH
SD000381 WIRING W1 (P=2.0MM 5P FLATCABLE) CN1 to CN2
SD000377 1/2W 10 METAL OXIDE RESISTOR R81,R83
SD000247 PY17FY472ML0 4700P/250V LINE CAPACITOR (PRI) C77
SD000251 FC-201 FUSE HOLDER
13369586 B3P-VH CONNECTOR CN5
SD000386 WIRING W6 GND CABLE G3 to CHASSIS
W3 AC SWITCH CABLE BLACK
P6 to AC SWITCH
2
PARTS LIST(CUBE-30)
fig.part1e
CUBE-15/CUBE-30
SAFETY PRECAUTIONS:
The parts marked have
safety-related characteristics. Use
only listed parts for replacement.
NOTE: The parts marked # are new. (initial parts)
IC
SD000236 L78L08 IC (VOLTAGE REGULATOR) IC13 1
SD000237 L79L08 IC (VOLTAGE REGULATOR) IC14 1
02897778 S-80130ALMC-JAP-T2 IC (RESET) IC9 1
SD000235 TDA2050V IC (POWER AMP) IC6 1
15289154 UPC4072G2-E1 IC (JFET OP) IC1,3 2
02565501 TC220CCA0AF-B01(MR3) IC (DSP) IC7 1
# 03015201 MN101C30AMW IC (CPU) IC8 1
00346445 NJM2100M(TE3) IC (BIPOLAR OP AMP) IC2 1
02451434 AK4552VT IC (AD/DA) IC4 1
TRANSISTOR
15329103T0 2SK880-GR(TE85R) FET Q1 1
DIODE
01019534 1SS355 TE-17 SWITCHING DIODE D3 1
# SD000388 FAI 3 GREEN LED D13 1
SD000239 1N4007G 1A 1000V P=10MM DIODE D23,D25-28 1
SD000238 KBP202 2A 100V BRIDGE DIODE D8 1
15339120T0 1SS302(TE85R) ARRAY DIODE DA1-4 4
SD000045 LED RED D14 1
03235978 2933A IC (VOLTAGE REGULATOR) IC12 1
15319107 2SC4116-GR(TE85R) TRANSISTOR Q2-5 4
15339119T0 1SS352(TPH3) SWITCHING DIODE D12,15 2
CONSIDERATION ON PARTS ORDRING
When ordering any parts listed in the parts list, please specify the following items in the order sheet.
Failure to completely fill the above items with correct number and description will result in delayed or even
undelivered replacement.
QTY PART NUMBER DESCRIPTION MODEL NUMBER
Ex. 10 22575241 Sharp Key C-20/50
15 2247017300 Knob (orange) DAC-15D
RESISTOR
SD000243 270 OHM 3W METAL OXIDE RESISTOR R107 1
# SD000389 2W 470 METAL OXIDE RESISTOR R15,17 2
SD000241 47 OHM 2W METAL OXIDE RESISTOR R85 1
SD000240 6.8 OHM 1/2W METAL OXIDE RESISTOR R28,49 2
CAPACITOR
SD000247 PY17FY472ML0 4700P/250V LINE CAPACITOR (PRI) C99 1
SD000244 1000/50 ELECTROLYTIC CAPACITOR C107 1
SD000245 4700/25 ELECTROLYTIC CAPACITOR C83,90 2
# SD000390 100UF/25V ELECTORIC CAPACITOR C85,87,89 3
# SD000391 220UF/25V ELECTORIC CAPACITOR C82 1
01455212 MA-406 11.2896MHZ CRYSTAL X1 1
01568889 MA-406 8.00MHZ CRYSTAL X2 1
FUSE,FUSE HOLDER
CONNECTOR
13369586 B3P-VH CONNECTOR CN4 1
13369668 S8B-PH-K-S JST (8P) CONNECTOR CN5 1
SD000252 352-TX119 AC TERMINAL T5,7 2
WIRING, CABLE
#
# SD000386 WIRING W6 GND CABLE SP1 to SPEAKER + 1
SD000254 WIRING W2 (8P 60MM) CN2 to CN5 1
SD000253 WIRING W1 (2P 110MM W/SHIELD) CN11 to CN10 1
SD000256 WIRING W4 (1P 70MM RED) T8 to AC SWITCH 1
SD000257 WIRING W5 (1P 70MM BLACK) T6 to AC SWITCH 1
SD000258 WIRING W8 W9 (1P 150MM BLACK) T4 to CHASSIS 1
SD000258 WIRING W8 W9 (1P 150MM BLACK) T3 to CHASSIS 1
SD000255 WIRING W3 (11P 130MM FLAT) CN1 to CN6 1
SD000246 EC8472MH 4700P/250V LINE CAPACITOR (SEC) C88 1
SD000251 FC-201 FUSE HOLDER F1 2
13369570 B2B-PH-K-S (2P) CONNECTOR CN11,10 2
SD000387 WIRING W7 SPEAKER CABLE BLACK SP2 to SPEAKER - 1
3
Oct.2003
CIRCUIT BOARD(CUBE-15)
fig.15_board.eps
4
CUBE-15/CUBE-30
GAIN
INPUT CLEAN
VOLUME
LEAD
LEAD
VOLUME
CLEAN
LEAD
SELECT
SELECT
AMP TYPE
OVERDRIVE
DISTORTION
METAL
METAL STACK
SW_0 SW_1 SW_2 SW_3 SW_4
ON
ONONON
ONON
PHONES
TREBLE
BASS
MIDDLE
AUX IN
SDDJE3-A-2
SW1
ON
ON
AMP TYPE
#Capacitor "C"-Ceramic, "F"-PolyesterFilm
#Component "NIU" is "No Mount".
PREAMP BOARD
PS1 BOARD
F1 fuse
100V/117V belfuse 5ST500mA 250V
230V/240V belfuse 5ST250mAL 250V
FUSE HOLDER : FC-202
to CN2
from CN1
MAIN BOARD
TDA20250V
Changed from
No. ZQ00620:117VU,117VUC,230V,230VE,240V
4 ohms
SPEAKER
No. ZP90420:100V
P4,P5 are terminals which
named 352-TX119.
No. ZQ00620:117VU,117VUC ,
,230V,230VE,240V
No. ZP90420:100V
Changed from
W2W3
AC CORD
POWER TRANSFOMER
W1
W1
SW_1
SW_2
SW_3
SW_0
SW_0 SW_1 SW_2 SW_3 SW_4
SW_4
MUTE
MUTE
LEAD_MUTE
LEAD_MUTE
A
A
A A
AA
A
A
AAA A
F F F F F F
A
+
-
A
-
A
A
A
A
A
AA
A
A
A
A
A
A
+
A
A
A
A
+
-
+
+ +
-
-
- -
- -
+
+
-
+
-
+
-
A
+
-
+
-
+
-
+
-
A
+
-
F
F
A
+
A
+
-
A
+
-
A
A
+
-
--
-
A
-
-
A
A
+
A
A
AA
A
A
A
-
A
F FF F F F
JK1
YKB21-5012
124
R3
10k
C4
F0.1
D1
1SS133
1 2
D2
1SS133
1 2
C5
C10p
R4
1M
R6
10k
C6
10/16
+
-
IC1A
NJM072BD
2
3
1
C1
F0.001
C28
F0.033
+
-
IC1B
NJM072BD
6
5
7
R28
220k
C14
C100p
C17
F0.027
C18
F0.01
R21
2.2k
R32
47k
R47
10k
R50
10k
C30
F0.022
C27
F0.033
R51
100k
+
-
IC2B
NJM072BD
6
5
7
C22
C82p
R27
3.9k
C25
10/16
C31
F0.015
+
-
IC2A
NJM072BD
2
3
1
R22 3.3k
C10
F0.001
C13
0.22/50
C16
F0.047
R12
470
R16
470k
C15
F0.0015
R11
1k
R15
47k
C12
F0.015
R43
22k
C34
F0.0022
R25
22k
C11
C180p
+
IC3B
NJM072BD
6
5
7
R56
1M
R38
47k
C20
C100p
C23
1/50
R31
330
C8
F0.022
R7
2.2k
R8
39k
C33
F0.1
R9
39k
C9
F0.0082
C26
10/16
C3
10/16
R2
12k
C75
2200/25
C80
2200/25
+
-
IC3C
NJM072BD
84
+
-
IC4C
NJM072BD
84
+
-
IC2C
NJM072BD
84
+
-
IC1C
NJM072BD
84
C36
NIU
C37
NIU
C38
NIU
Q1
2SK246GR
2
31
Q9
2SC1815GR
3
1 2
Q5
2SC1815GR
3
1 2
Q6
2SC1815GR
3
1 2
D25
1N4007G
1 2
D27
1N4007G
12
D26
1N4007G
12
D28
1N4007G
1 2
R42
47k
R37
330
R5
47k
SW2A
SPUP128100
11
13 12
R19
10k
LED1
GREEN
1 2
LED2
RED
1 2
R46
10k
R45
2.2k
D3
1SS133
1 2
D4
1SS133
12
R1
10k
+
-
IC4A
NJM072BD
2
3
1
R44
10k
R39
1.8k
C21
C820p
R26
10k
C7
C0.1
VR1B
10
20
VR2B
10
20
VR3B
10
20
VR2A
RK09L1120 250kA
1
2
3
VR3A
RK09L1120 10kB1
123
R48
4.7k
R33
1k
R30
10k
C78
NIU
R17
1k
R24
15k
R23
47k
+
-
IC4B
NJM072BD
6
5
7
Q3
2SK2880
2
1 3
D22
1SS133
12
R64
10k
C47
C150p
1
R81
MOF 1/2W 10
C59
10/16
C65
F0.22
C69
F2.2
C64
4716
Q11
2SK2880
2
13
C53
C0.1
C70
F2.2
R83
MOF 1/2W 10
R88
100
R75
MOF 1/2W 6.8
C55
NIU
R53
47k
+
-
IC6
TDA2050H
2
1
4
53
JK3
YKB21-5006
1234578
C68
F0.022
R89
MOF 2W 0.1
1
R87
22
R49
100k
C63
F0.22
R76
47k
R80
MOF 3W 120
R86
47
R85
47k
C72
F0.015
C66
F560p
C67
1/50
C71
F0.068
VR4A
RK09L1120 250kA
123
VR5A
RK09L1120 20kB1
123
VR6A
RK09L1120 100kB
123
R93
10k
D23
1N4007G
12
R95
470k
R94
10k
D24
1SS133
1 2
Q12
2SC1815GR
3
1 2
R91
1M
R90
100k
R92
1k
C73
33/35
C49
F0.0082
R65
22k
C54
F0.001
R68
1k
D20
1SS133
1 2
D18
1SS133
1 2
C51
C47p
R69
220k
C57
10/16
+
-
IC5B
NJM072BD
6
5
7
R72
220k
R73
22k
C58
10/16
+
-
IC5A
NJM072BD
2
3
1
R66
10k
C50
C47p
R67
22k
R79
1M
C60
C0.1
R71
4.7k
R70
4.7k
JK2
YKB21-5010
123
C56
10/16
D14
1SS133
12
D12
1SS133
12
D13
1SS133
12
D11
1SS133
12
D9
1SS133
12
D10
1SS133
12
D8
1SS133
12
D7
1SS133
12
D5
1SS133
12
C42
NIU
C40
NIU
C41
NIU
R10
2.2k
R40
10k
R29
10k
CN1
B5B-PH-K-S
112233445
5
CN2
B5B-PH-K-S
112233445
5
F1
C77
PY17FY472ML0
CN6
B3P-VH
11223
3
D6
1SS133
12
Q7
2SK2880
2
1 3
C84
F0.068
R34
22k
C83
F0.018
R98
100k
Q4
2SK2880
2
1 3
Q8
2SK2880
2
1 3
+
IC3A
NJM072BD
2
3
1
D15
1SS133
12
D16
1SS133
12
IC7
L78L08
IN
3
OUT
1
GND
2
IC8
L79L08
IN
2
OUT
3
COM
1
C88
NIU
C90
NIU
C89
C0.1
C91
C0.1
R58 10k
C43
F0.047
R59 10k
R60 10k
C45
F0.047
C46
F0.047
SW3A
SRBM14
12 111314
15
R101 1M
R100 1M
R99 1M
R102 1M
R61 10k
R103
10k
R104
10k
VR1A
RK09L1120 10kB1
123
SW2B
SPUP128100
21
23 22
R35
47k
R13
47k
R20
4.7k
Q2
2SK2880
2
1 3
Q10
2SC1815GR
3
1 2
C32
F0.047
C29
0.22/50
R57
10k
R55
100k
R54
2.2k
C93
100/25
C92
100/25
R105
1k
R106
1k
C94
100/25
P11P2
1
1
P41P5
1
P6
1
P7
1
SW3B
SRBM14
212223 25
24
Q13
2SC2878A
3
1 2
D29 1SS133
12
C95
F0.022
R107
1M
R108
10k
R109
1.5k
C96
F0.0082
R110
47k
C97
F0.0033
C62
C0.1
C99
NIU
C98
F2.2
R96
1M
D30
1SS133
12
C100
47/25
C85
F0.33
C24
F0.15
C44
F0.047
1
C86
100/25
C87
100/25
C74
0.22/50
C82
NIU
R78
22k
C52
Jumper
C61
C10p
R74
47k
C79
NIU
R77
100k
R84
100k
+
-
IC5C
NJM072BD
84
VR6B
10
20
VR4B
10
20
VR5B
10
20
CIRCUIT DIAGRAM(CUBE-15)
fig.15-circit
5
Oct.2003
CIRCUIT BOARD(CUBE-30)
fig.30_board1.eps
6
fig.30_board2.eps
CUBE-15/CUBE-30
7
Oct.2003
BASS
MIDDLE
TREBLE
EFX
DLY/REV
Left to Right
AUX_IN
PHONES
INVERT
NON-INVERT
DSP(MR3)
Left to Right
MAIN BOARD
from
CN6
from
CN5
from
CN11
#No specified "L" are BLM21AG102SN1.
#Components "NIU" is "No Mount".
8 ohms
SPEAKER
Changed from
No. ZQ02580:117VU,117VUC,230V,230VE
TDA2050V
No. ZP91180:240VA
No. ZP90420:100V
W1
W3
W2
from T ransformer
secondary
D6
D7
MCK
MSTOUT
A3
BCK
LRCK
A2A4A1
D1CSD2
A0WRD0D3D4D5RD
WR
CS
D5
BCK
D6
A2A3D7A0A1
MCK
LRCK
D1RDD2
A4 MSTOUT
D0D3D4
RSW0
RSW1
RSW2
RSW3
RSW4
RSW5
RSW6
RSW6
RSW5
RSW4
RSW3
RSW2
RSW1
RSW0
GTRIN
GTRIN
RESET
PHONES_SW
RESET
MUTE
PHONES_SW
RESET
MUTE
A
A
D
D
+
D3.3
D
+
D3.3
D
+
D3.3
+
D3.3
D
D
+
D3.3
D
+
D3.3
A
A
A
A
A
D
+
D3.3
+
D3.3
D
A
+
D3.3
+
D3.3
+
-
AA
+
D3.3
D
+
D3.3
D
DD
+
D3.3
+
D3.3
D
+
D3.3
A
A
+
-
D
D
+
D3.3
D
D
D
+
D3.3
D
+
D3.3
D
D
A
A
+
D3.3
D
D
+
D3.3
A
A
+
D3.3
+
D3.3
D
D
+
+
+
+
A8
+
A8
+
A8
-
A8
A8
A8
D
D
D
D
D
D
D
D
D
D
D
D D D D D D D D D D
D
D
D
D
A
A
A
D
D
D
A
A
D
D
D
-
A8
+
A8
A
+
D3.3
A
F
+
-
A8
D
+
A8
-
+
-
IC1A
uPC4072G2
2
3
1
C29
10/16
R13
6.8k
R14
4.7k
R10
820
C43
1/50
C18
10/35
R57
100
R53
100
R66
100
+
-
IC3A
uPC4072G2
2
3
1
R20
10k
R23
10k
+
-
IC3B
uPC4072G2
6
5
7
R25
10k
R16
10k
C32
10/16
R4
4.7k
R30
22k
+
-
IC1C
uPC4072G2
84
+
-
IC2A
NJM2100M
2
3
1
+
-
IC2B
NJM2100M
6
5
7
+
-
IC2C
NJM2100M
84
R40
10k
+
-
IC3C
uPC4072G2
84
+
-
IC1B
uPC4072G2
6
5
7
C34
10/16
R5
4.7k
R29
10k
R34
10k
C16
10/35
R9
10
R6
22k
T11T2
1
DA1
1SS302
2 1
3
DA2
1SS302
2 1
3
Q1
2SK880GR
3
12
IC4
AK4552VT
RIN1LIN
2
VSS
3
VA
4
VD
5
DEMO6DEM1
7
SDTO
8
SDTI9LRCK10MCLK11BCLK12PDN
13
VCOM
14
LOUT
15
ROUT
16
C36
0.22
C15
47p
C14
0.018
C21
47p
C37
47p
C23
47p
C30
0.1
C6
0.1
C59
NIU
R59
100
R8
10k
R32
100k
R28
MOF 1/2W 6.8
Q2
2SC4116GR
1
2 3
DA3
1SS302
2 1
3
DA4
1SS302
2 1
3
C25
10/16
+
-
IC5
TDA2050H
2
1
4
53
R48 10k
R70
100
C73
0.1
R50
0
C56
0.22
R49
MOF 1/2W 6.8
C46
10/16
+
-
IC6
2
1
4
53
C33
10/16
R31
100k
R62
1k
R72 10k
R73 10k
R641kR65
1k
R43 10k
R44 10k
R45 10k
R74 10k
R51
NIU
R52
NIU
R42 10k
R67
1M
IC7
TC220C120AF-006
OSC
1
VSS
2
OSCSEL
3
VSS
4
XTO5XTI
6
VDD
7
DIVS08DIVS1
9
PLLBP
10
VSS
11
VSS
12
TESTP
13
VDD
14
VDD
15
PLLVAA
16
PLLRO
17
PLLLP
18
PLLAGS
19
PLLAGD
20
VSS
21
VSS
22
VDD
23
VDD
24
RST
25
VSS
26
CD727CD628CD529CD4
30
VSS
31
TESTS
32
VDD
33
CD334CD235CD136CD0
37
VDD
38
DRQ39INT040INT1
41
DRST
42
VSS
43
CA444CA345CA246CA147CA0
48
VDD
49
RD50CS
51
VSS
52
WR
53
VSS
54
DIV
55
VDD
56
DA057AD0
58
VDD
59
BCK
60
VSS
61
LRCK062LRCK1
63
VDD
64
MCK
65
VSS
66
DA167AD168DA269AD2
70
VSS
71
CTYPE
72
VDD
73
DA374AD3
75
SYI
76
TESTB
77
TESTT
78
VDD
79
VSS
80
R69
15
R58
27k
X1
11.2896MHz
MA-406
1 4
C62
3900p
C64
0.1
R46 10k
R26
1M
R47 10k
D7
RED
12
C31
NIU
C22
NIU
C47
NIU
VR8B
10
20
VR8A
10kB1
123
VR7B
10
20
VR7A
10kB1
123
VR6B
10
20
VR6A
10kB1
123
VR5B
10
20
VR5A
10kB1
123
VR4B
10
20
VR4A
10kB1
123
C26
10/16
C72
0.1
C2
10p
C5
0.0027
R3
1M
R2
1k
R1
22k
C1
0.039
C13
0.1
R75
10k
R76
10k
R77
10k
R78
10k
R79
10k
R80
10k
R81
10k
R54
10k
R55
10k
R56
10k
R60
10k
R61
10k
R63
10k
C28
NIU
C39
47p
R7
47k
C10
10/16
C12
10/16
R21
10k
C24
47p
R86
1k
C54
0.1
C61
0.1
R82
1k
R36
10k
R68
1k
R71 10k
CN2
B8B-PH-K-S
112233445566778
8
CN1
FLAT CABLE
11223344556677889
9
101011
11
R22
6.8kF
R18
18kF
R37
33kF
R35
5.6kF
R19
150k
R12
6.8k
R27
NIU
C35
NIU
C105
NIU
R106
6.8k
R39
NIU
R38
6.8k
R41
150k
R15
MOF 2W 470
R17
MOF 2W 470
CN10
B2B-PH-K-S
112
2
C313
0.1
C314
0.1
C317
0.1
C320
0.1
L25
L24
L23
L22
L21
L20
L19
L18
L1
L2
L3
L17
BLM21AG121SN1
L9
BLM21AG121SN1
L8
BLM21AG121SN1
L4
L5L7L6
L36
L35
L34
L33
L32
L31
L30
L29
L28
L27
L26
JK2
YKB21-5010
123
JK3
YKB21-5006
1234578
C108
10/16
C109
10/16
C110
10/16
C111
10/16
D3
1SS355
12
IC9
S-80130ALMC-JAP-T2
DS
1
VSS
2
NC
3
OUT
4
VDD
5
CN3
NIU
1122334
4
C74
0.1
C8
0.1
C63
10/35
C309
0.1
C66
0.1
C91
0.1
C69
0.1
C304
0.1
C38
0.1
C58
0.22
C79
0.1
C55
0.1
C318
0.1
IC8
MN101C30A
VREF-
61
AN0/PA062AN1/PA163AN2/PA264AN3/PA31AN4/PA42AN5/PA53AN6/PA64AN7/PA7
5
VREF+
6
VDD
7
OSC28OSC1
9
VSS
10
XI11XO
12
MMOD
13
P00/S BO0/TXD14P01/SBI0/RXD15P02/SBT016P03/SBO117P04/SBI118P05/SBT119P06/NDK/BUZZER
20
P27/NRST
21
P10/TM0IO/RMOUT
22
P11/TM1IO23P12/TM2IO24P13/TM3IO25P14/TM4IO26P20/IRQ027P21/IRQ1/SENS28P22/IRQ229P23/IRQ330P24/IRQ4
31
P50/NWE
32
P51/NRE33P52/NCS
34
P53/A1635P54/A17
36
P60/A037P61/A138P62/A239P63/A340P64/A441P65/A542P66/A643P67/A744A8/P7045A9/P71
46
A10/P7247A11/P7348A12/P7449A13/P7550A14/P7651A15/P77
52
LED7/D7/P87
53
LED6/D6/P8654LED5/D5/P85
55
LED4/D4/P84
56
LED3/D3/P83
57
LED2/D2/P8258LED1/D1/P81
59
LED0/D0/P80
60
C316
0.1
C307
0.1
C19
0.1
C4
0.1
C42
0.1
C308
0.1
C53
0.1
C57
0.1
C305
0.1
C312
0.1
C70
0.1
C52
0.1
C311
0.1
C48
100/25
C319
0.1
C45
0.1
C3
0.1
C65
0.1
C51
0.1
C78
10/35
C44
10/16
X2
8MHz
MA-406
14
C306
0.1
C17
0.1
C60
47/25
C71
0.1
C49
0.1
C67
0.1
C9
0.1
C41
0.22
C68
0.1
C315
0.1
C27
0.1
C50
0.1
C11
10p
C76
18p
C77
18p
C310
0.1
R24
100k
C75
0.1
C81
22p
C106
0.01
C80
22p
R92
10k
IC12
2933A
IN
1
GND
2
OUT
3
C101
NIU
T3
1
C89
100/25
C94
0.22/50
C93
10/35
C107
1000/50
C87
100/25
C88
EC8472MH
R89
1M
D15
1SS352
12
C83
4700/25
R91
1k
IC13
L78L08
IN
3
OUT
1
GND
2
R93
10k
D12
1SS352
1 2
R107
MOF 3W 270
C84
0.1
C104
NIU
FL1
DSS306-55B102M100
R94
470k
+-
~
~
D8
KBP202
2 3
14
C86
NIU
CN4
B3P-VH
11223
3
R108
100k
C85
100/25
C102
NIU
D11
1N4007G
1 2
Q3
2SC4116GR
1
2 3
C112
47/25
C82
220/25
C90
4700/25
R85
MOF 2W 47
R90
100k
C103
NIU
IC14
L79L08
IN
2
OUT
3
COM
1
C321
0.1
CIRCUIT DIAGRAM(CUBE-30)-1
fig.30-circit
8
CIRCUIT DIAGRAM(CUBE-30)-2
from Transformer
secondary
#Components "NIU" is "No Mount".
MUTE
-
A8
+
A8
A
+
D3.3
A
F
+
-
A8
D
+
A8
-
R92
10k
IC12
2933A
IN
1
GND
2
OUT
3
C101
NIU
T3
1
C89
100/25
C94
0.22/50
C93
10/35
C107
1000/50
C87
100/25
C88
EC8472MH
R89
1M
D15
1SS352
12
C83
4700/25
R91
1k
IC13
L78L08
IN
3
OUT
1
GND
2
R93
10k
D12
1SS352
1 2
R107
MOF 3W 270
C84
0.1
C104
NIU
FL1
DSS306-55B102M100
R94
470k
+-
~
~
D8
KBP202
2 3
14
C86
NIU
CN4
B3P-VH
11223
3
R108
100k
C85
100/25
C102
NIU
D11
1N4007G
1 2
Q3
2SC4116GR
1
2 3
C112
47/25
C82
220/25
C90
4700/25
R85
MOF 2W 47
R90
100k
C103
NIU
IC14
L79L08
IN
2
OUT
3
COM
1
C321
0.1
fig.30-circit
CUBE-15/CUBE-30
9
Oct.2003
CLEAN
VOLUME
LEAD
VOLUMEGAIN
LEAD
INPUT
FOOT_SW
AMP TYPE
CH SELECT
CONTROL BOARD
RSW BOARD
PS1 BOARD
#No specified "L" are BLM21AG102SN1.
FUSE HOLDER : FC-202
F1 F USE
100V/117V belfu se 5ST1A 250V
230V/240V belfuse 5ST500mAL 250V
to CN10
to CN1
to CN2
No. ZQ02580:117VU,1 17VUC,230V,230VE
Changed from
No. ZP9118 0:240VA
No. ZP904 20:100V
W3
W2
SDDJE3-A-2
SW1
AC CORD
W4
T5,T7 are ter minals which
named 352 -TX119.
W5
POWER TRANSFOMER
to M AIN
BOARD CN4
+
D3.3
DD
+
D3.3
D
+
D3.3
A
D
D
D
F F
F FF F F F
A
+
D3.3
+
D3.3
+
D3.3
D D
D D
D
D
A
D D
D
D
D
F
R99
100
R97
100
VR3A
10kB1
1
2
3
VR1A
10kB1
1
2
3
R98
100
VR2A
10kB1
1
2
3
R95
10k
C96
0.1
C95
10p
C100
0.1
NC
SW3A
SRBV17
1
234105678
9
R96
220
R102
1k
R101
1k
D13
GREEN
12
D14
RED
12
Q4
2SC4116GR
1
2 3
Q5
2SC4116GR
1
2 3
R104
1k
R103
1k
NC
SW3B
SRBV17
20
30
VR3B
10
20
VR2B
10
20
VR1B
10
20
C99
RY17FY472ML0
FH1
SW2A
11
1312
SW2B
21
2322
R100
220
C97
10/16
C98
0.1
CN6
FLAT CABLE
112233445566778899101011
11
CN5
S8B-PH-K-S
112233445566778
8
T5
1
T6
1T81
T91T10
1
T7
1
T11
1
CN11
B2B-PH-K-S
112
2
C301
0.1
C302
0.1
C303
0.1
T4
1
L10
L11
L12
L13
L14
L15
L16
JK1
YKB21-5012
124
JK4
YKB21-5006
12345
7
8
CIRCUIT DIAGRAM(CUBE-30)-3
fig.30-circit
10
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