Text preview for : Montarbo-Trio guit amp.pdf part of Montarbo Trio guitar amplifier
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C11
68n 400V
+47V
R17 470 1/2W FUSE
1A
POWER SWITCH
TRANSFORMER LAMP FILTRO
BR1
W04 +
C20
220u 40V
D1
Z15V
C19
220u 16V +
+15V GND -15V
+
BD1
KBL04
C2
2200u 63V -47V
C1
2200u 63V
C21
220u 40V
D2
Z15V
C18
220u 16V
C15
220n
-
50/60 Hz
220V AC
20V GND 20V
R16 470 1/2W
C10 C16
220n 68n 400V
C8 C3 C1
4u7 6n8 33p
P2 100KA 6n8
TREBLE
C11 C13 330p R8 470K R7 4K7 C14
4u7 1
-
R5 1K2
REV
SW1
TY 630 R4
15K
C7
100u
R9
4K7
R6 100K R4 2K2 C2 220n R5
100K
D1
1N4007
GAIN
P5 100KC
R10 5K6
6 7 5
2 3
C8
100u
D2
1N4148 -20dB OUT
-20dB OUT
C3 R8
4K7 1/2W R10 680 220n
R17
1K
55JR2
JK2
LOW
R1 4K7 R2 4K7
IC1B
RC4559
R11 C7
15n
IC1A
RC4559
R12 10K C10 15n P3 100KA
MID
5K6
R9
68K
R3 47K P1
10KA VOLUME
T2
BC450
D3
10V
R18
47K OUT
R7 47K R6
680
C9
15n
R2
4K7
C9
470p
T1
BC450
D4 R11 10K T3
BC549 10V
R16
10 2W
GND
JK1
HIGH
C4
2u2
R13 15K C6 C12
22n
C6
47u
D5
1N4148
C4
100n
R14
4K7
22n
R15
4K7
C5
2u2
R15
560
P1
1K
TX 9630 R13 820 T4
BC449 TP
C5
2n2
P4 100KA
BASS
C17
2n2
R1
10K
R12 680
TRIOAR1
C3 C1
4u7
R14 4K7
C8
33p 6n8
TREBLE
P4 100KA
C11
6n8
REV
C13
330p
SW1 R18 4K7 C14
4u7 1 GND IN
TR4R2
EXTERNAL
R6 100K R4 2K2 C2 220n R10 5K6
6 5 7
R17 470K
2 3
GAIN
P7 100KC
55JR2
JK2
LOW
R1 4K7 R2 4K7
IC1B
RC4559
R11 C7
15n
IC1A
RC4559
R5
100K
R12 10K C10 15n P5 100KA
MID
5K6
R16
68K
R19 47K P3
10KA VOLUME
+
C15
220n
+15V GND -15V
220 1/2W 220 1/2W
PHONES OUT
C9
15n
C16
220n -
WOOFER
JK1
HIGH
C4
2u2
R13 15K C12
22n
C6 R14
4K7 22n
R15
4K7
TWEETER
C5
2n2
P6 100KA
BASS
C28
2n2
REV
SEND PRE OUT C24 68n
C20
4u7
C21
68p
R8 10K R9 10K C23 C22
15p
RETURN MAIN IN C26
6p8
C17
4u7
R27 100K
2 3 100n 1
R7 2K2 R30
18K
C25 3n3
C27 100n R22
1K
R29 470K
6 7 5
R20 470K
2
C18
33p
REV FT.SW.
1
R25 220K C19
6 5 4u7 7
IC2A
RC4559
R31
120
R24
10K
IC3B
RC4559
R21 4K7
R28
100K
3
P1
10KA REVERB
IC3A
RC4559
IC2B
RC4559
R23
10K
R26 3K3 P2
10KA MASTER
R3 3K3
TRIOBR1
C8
TREBLE
C3 C1
4u7
33p
6n8
P2 100KA
C11
6n8
REV
C13 330p R8 470K R7 4K7 C14
4u7 1
SW1
R6 100K R4 2K2 C2 220n R10 5K6
6 5 7 2
GAIN
P5 100KC
55JR2
JK2
LOW
IC1B
RC4559
R11 C7
15n
3
IC1A
RC4559
R1 4K7 R2 4K7
R5
100K
R12 10K C10 15n P3 100KA
MID
5K6
R9
68K
R3 47K P1
10KA VOLUME + +15V GND -15V ELETTRONICA MONTARBO via G. DI VITTORIO 13 CADRIANO DI GRANAROLO 40057 - BOLOGNA - ITALY TRIO
C9
15n
C15
220n
JK1
HIGH
C4
2u2
R13 15K C6 C12
22n 22n
C16
220n
R14
4K7
R15
4K7
C5
2n2
P4 100KA
BASS
C17
2n2
TRIOCR1
Size A2 Scale
FCSM No.
DWG No.
Rev 04.02 Sheet 1 of 1