Text preview for : AT-100 Schematic Diagram.pdf part of B-52 AT-100 Guitar amplifier schematic diagram
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1
2
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R51 B+4 SW1 BRIGHT CTL1 +12V TRANSFORMER 1U/50V
C36 B+3
4K7/1W
INPUT
C12 100P/1KV C14 1 6 C16 0.022U/400V RL6 R56 220K 7 IN 2 6 7 V2-2 12AX7 12AT7 C38 470P/250V V10-1 V10-2 12AT7 R144 10K R23 4K7 0.0022U/400V C39
C31 10UF/450V D4 1N4004
VS6012 PRI
SEC R60 220K
JK2 R17 100K R15 C13 C11 250P/1KV 2 V2-1 12AX7 R21 1 22P/1KV 0.022U/400V 10M VR4 05A1M BASS VR2 A250K CLEAN VOLUME 3 8 R58 1M R16 4K7 3M3 RL4 8 OHM R65 150K 3
R1
C1
RL1
C10
R18 100K
100P/1KV
R6 100K TREBLE VR1 A250K
2
47K
250P/1KV
6
C2
LOW
R13 100K
REVERB R63 BL2AB2C1B 10K OUT 2.25K 6.3V~
C40 0.001U/250V R62 220K
+
1
0.1U/250V
REVERB LEVEL
VR12 B250K
JK1 8
R2
2
D
D
2
47K
V1-1 12AX7
6
3
D1
R14 3M3
C9
CTL1
0.1U/250V
6.3V~
HIGH D6 CTL2 R20 1K5 C15 10UF/50V 1U/50V C41 10U/50V R24 470K C38A
+
6.3V~
1N4004 +12V R66 220K R59 820R VR3 B10K R19 1K5 R22 220K MIDDLE
1N4004
6.3V~ 6.3V~
C33
C8
R3 1M
R4 1K5
C6 10U/50V
R8 3M3
1U/50V
0.047U25/400V
R61 820
+12V
C42 10U/50V
R64 220K
B+4
+
CTL1 D5 VR12A 05A1M VR10 05A1M TO R89 H11F1 1N4004
+12V
U2
+12V
C37
1U/50V
TO Q11
1
U3
2 3 4 LCR-0202
R9 R52 4K7/1W R35 100K 1 V4-1 2 LED4 1K5 C29 330P/1KV 8 1 V11-1 12AX7 2 R46 220K 0.1u/250V R67 1M C30 R44 560R D3 1N4004 R55 3M3 C35 1U/50V +12V R54 3M3 R45 33K VR11 A500K CONTOUR 0.0033U/250V R69 560R 3 C43 R47 220K 6 RED RL5 6 R38 220K 12AX7 C28 1U/250V 8 7 V3-2 250P C24 470P/500V RL3 C41A R49 330K 0.1U/250V C40A 470P C27 V4-2 12AX7 7 OVERDRIVE 12AX7 R53 B+4 R34 100K C21 R36 470K 3
10M
LEVEL1 LEVEL2 OVERDRIVE MUTE
C5 C32 10UF/450V
R12 470K
+12V
GREEN LED3 CLEAN
R7 C19 100P/1KV
C3 470P/1KV
100K
0.001U/250V
C4
R11 220k
R27 1M
C34 1U/50V
CTL2
6.3V~
B+3 R5B 150K R2B 100K R72 100K R73 1.5M C48 10P/1KV
0.022U/400V V3-1 12AX7 2 1 0.022U/400V
C18 0.001U/250V
D2
1N4004
GAIN2 6.3V~
C7 0.0047U/250V 3
V1-2 TREBLE VR7 B250K R42 33K R33 2K7 R41 100K C25 0.022U/400V R40 100K C26 0.022U/400V CTL3 VR9 B25K MIDDLE C22 0.68U/50V R37 470K R39 1K5 C23 10U/50V BASS VR8 A1M R43 1M
VR6 A1M
RL2
6
12AX7
7
C17 0.001U/250V
R25 1M
R31 33K
6.3V~
6.3V~
SEND 6.3V~
C44 1UF/250V JK10
C45
C
R32 3M3
V11-2 C46 12AX7 6 0.1U/400V 7 R74 1K5 VR13 B50K R68 33K MASTER 8 R4B 100K VR17 A500K 0.1U/250V
C
8
6.3V~
RED GAIN1 LED1
R28
R29
1K5
6.3V~ SEND LEVEL
R1B 10R
R10 470K
R5 4K7
R26 220K
R56A 220k
VR5 05A1M
GAIN1
1K5 LED2 GAIN2 GREEN U1 4 6 HIF2 F4 F1A TO U2-PIN2 AT100-5H R133 4 6 µÆË¿ R130 100R +12V 100R µÆË¿ 8 2 C84 220u/250V C87 100u/250V R129 C86 100u/250V C83 220u/250V 220K/1W C88 100u/250V CHOKE R135 R138 220K C85 47u/250V R141 220K R137 1K2/1W B+1 B+2 B+3 B+4
R71 1M
R70 1K5
C47 22U/50V
R203 10K 1
2
R30
RETURN LEVEL
R3B 22K RL7 +12 R140 10K/2W TO Q12 LOOP CTL VR14 A250K
R204
R202
Q201
100K
Q202 2SC1815
1K5
JK9 RETURN
R201 100K
33K
2SC1015
R205
820R
R100
+12V
LED5
1K5
YELLOW
U3 PIN2
D7 1N4004 B+2 C1A 1U/50V B+2
3
TO RL3
13
12
R99
Q9 2N5551
CTL3
6.3V~
R134 R136
4K7
LAMP1 RED
V12 5AR4
220K/1W
C59 0.1uF/100V
R1A 10K
R98 10K
IC11F CD4069
R101
REVERB MUTE
14
4K7
Q11 2N5401
R109 100k R106 R139 220K 470R/2W R142 220K
3 8 4 5
R110 4k7 V6 5881 C89 100u/250V C90 47u/250V R105 470R/2W
8 4
C65 0.047U/630V
6.3V 150MA
220K/1W
JK5
220K/1W
B
IC11E CD4069
Q7 2N5551
C55 .1UF/100V
V7 5881
5
R108 82k C69 100P/500V 1 V5-1 2 R115 4k7 12AX7 3
C71 0.022U/250V B
5.1V~
11
10
Q10 2N5551
REVERB /EFFECT
7
LOOP CTL TO RL7 Q12 52N551 R2A 100K
Q8 2N5551
R94 100K
5.1V~
SW8 SK-22F06-G10
9
LOAD IMPANDANCE SELECT
OUTPUT SPTT 1 2 3 4 R103 47R 16R OT1 8R B+1 8 7 6 5 4R
R92 4K7
D6A R3000
C56
C1B
13 F2 STANBAY SW D11 1N4007 C75 0.01U/1KV C76 0.01U/1KV TRANS5 F3 F1.5A 1N4007 +12V D10 D12 1N4007 A F1.5A D9 1N4007 RL8
IC2B 10 CD4072 11
C2/C3 TO MODE SW D8 R3000 BIAS R95 110R/15W TO MODE SW B WIPER
R112 220k
6.3V~
R116 1M
.1UF/100V
0.1uF/100V
R3A 4K7 TRANSFORMER
12
R117 470R
R119 10K/1W
R85 4K7
SW5
SW10 A1 R3000 A3 B1 B2 TO BIAS B B3 C1 C C2 C3 JK8 D1 OUT JACK R102 10K/1W D D2 +12V D3 R107 470R/2W
3 4 8
R86
Q4 2N5551
+12V
100K
Q3 2N5551
A2
D7A V8 5881
8 4
R113 220k R111 JK7
5
TO RL1 RL4 RL5 CTL1
R77 10K
R78 10K
R89 820R
0.1uF/100V RT1 C60-11
R87 100K
IC11A CD4069
2 1 IC2 3 4 CD4072
JK4
1
2
5
Q1 2N5551
Q2 2N5551
IC11D CD4069 1 BD1 BR32 4 2 R124 100R/5W 3
CHANNEL/GAIN
C49 0.1u/100V
9
8 C52
R104 470R/2W
0.1uF/100V
470K R81
470K R82
R79 470K
R80 470K
R88 4K7
SW6 F1 FUSE2
120V F5A/250V 230V T2.5A/250V
U4 LM317 Vin Vout 1 R131 2
B+2
A
CHANNEL
IC11C CD4069 AC
TO RL2,RL6
JK3 C80 3 220R C77 1000U/63V R132 1.8K C81 22U/50V C79 22U/63V
R121 1K5
5
6
C53 0.1uF/100V
CTL2
VR15 A5K R103A 1K5
R122 82K 0.1U/100V
VR16 A1M LINE OUT
SW7
C54 0.1uF/100V
Q5 2N5551 SW3 GAIN2
GAIN1/GAIN2
3
4
R91
Q6 2N5551
IC11B 4069
100K
SW2 GAIN1
C82 R128 22K R125 100R/2W C78 220U/63V VR18 B5K 3 4
C50 0.1U/100V
R92 4K7
10U/63V R126 6K8
R127 68K
±ê ¼ Ç
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5 6 7
¸ü¸ÄÎļþºÅ
1
2
5
3
C51
POWER
V9 5881
4k7 R114 4k7 C68 0.047U/630V
R118 1M
6.3V~
8 12AX7 V5-2 7
C70 0.1u/250V
6 C72 0.0022U/250V
R123 10K C74 10U/50V C73 0.1U/400V
R120 4K7
A
AT100
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8
2004-09-14