Randall rg50 schematic
12345678ABCD8765432
1
DCB
A
12345678Éè ¼Æ
У ¶Ô
Éó ºË
ͼ ºÅ
»æ ͼ
Åú ×¼
ÈÕ ÆÚ
Ò³ ´Î
±ê ¼Ç
´¦ Êý
¸ü¸ÄÎļþºÅ
Ç© ×Ö
ÈÕ ÆÚ
RANDALL
C2
47P/100VC322P/1KVC6472/630VC8221/100V
C11
473/100V
C13
101/100V
C24
472/1KVC510U/450V
C23
1U/100V
C28
10U/450V
C75
4U7/100V
R45
470KR31MR268KR5100K
R65
100KR610K/2WR41KR71MR810MR910M
R10
10R
R14
82K
R11
100K
R16
150K
R15
100K
R121MR17
10K
R18
1M
RG50TC
678
V1
12AX7-B
123
V3
12AX7-A
123
V1
12AX7-A
678
V2
12AX7-B
678
V3
12AX7-B
123
V2
12AX7-A
RL1
VR1
A1M
VR3
A1M
R281MR29
1K8
R30
10K
R69
100K
R47
4K7/2W
R72
33K
R71
10M
R36
2K2
R74
100K
R73
10M
R48
47K
R43
2K2
R68
100K
R37
2M2
R24
47K
C29
103/1KV
R66
47K
R38
4K7
R25
470K
R50
47K
R1591MR51
22R
R52
680R
R53
47R
R54
47R
R34
10K
R70
1K/2W
R21
10K
R671KR421MR44
100K
R41
470K
R35
100K
R39
100K
R40
10K/2W
C27
103/1KV
R331KR31
10K
R27
10M
R26
150K
C36
224/50V
C42
683
C53
473
C54
221/50V
C25
471/100V
C55
224
C58
223/630V
C59
47P/1KV
C19
472/100V
C63
104/250V
C21
471/100V
C61
223/630V
C20
222/100V
C56
224
C22
471/100V
C44
104
C12
203/50V
C43
470P/50V
C40
224/50V
C35
473/100V
C49
223/630V
C48
223/630V
C47
470P/1KVC4103/1KV
C32
223/630V
C31
223/630V
C26
471/1KV
C89
22U/50V
C90
47U/63V
C88
22U/50V
C65
10U/100V
C64
47U/63V
C66
10U/100V
C30
10U/450V
C57
10U/50V
C68
C67
47U/63V*2
C95
C82
C83
C38
47U/25V
C86
C37
47U/50V
C60
22U/450V
C46
22U/450V
C39
47U/25V
C34
22U/450V
C96
330U/315V*2
C80
C79
C81
100U/350V*2
C73
C71
C72
C70
3300U/10V*4
LEVEL
GAIN2
VR7
30A20K
VR6
05A1M
VR5
B200K
IC1
LM324N-A
IC1
LM324N-B
IC1
LM324N-C
R79
470R
R147
10K
R80
470K
R83
22K
R82
1K5
R88
1.8K
R921MR84
100K
R99
4K7
R901RR93
470R
R89
470R
R58
1K8
R55
47R
R81
5K1
R85
2M2
R109
5K6
R91
10M
R561KR57
22K
R59
100K
R96
4K7/2W
R60
10K
R87
4K7
R94
82K
R98
10K
R101
330R
R641MR95
100K
R971MR104
5K6
R107
1R/2W
R100
270R
R138
100R/1W*2
R114
220K
R111
220K
R145
82R/5W
R146
82R/5W
R108
1R/2W
R115
33K
R139
R106
1K/5W
R113
1K/5W
R140
220K 1/2W*2
R141
R142
270R/5W
R143
R144
220K 1/2W*2
RCA1
BLACK
RCA1
RED
VR11
10C50K
VR12
A1M
IC3
JRC4558DD
SW4
JK3
CK3-6.35-11D
ZD1
2V7
ZD2
2V7
IC3
JRC4558DD
3598721
6
V4
12AT7
IC4
JRC4558DD
C62
223/630V
C93
103/250V
C85
224
C84
224
C76
102/1KV*2
C77
3548721
V6
EL34
3548721
V5
EL34
VR14
VR13
B20K*2
JK2
CK3-6.35-34A
951876432
JK4
CK3-6.35-11B
JK5
CK3-6.35-34A
JK6
CK3-6.35-34A
D5
1N4148Q3J108
ACJK1
FUSE1
T1.25A
SW6
SW7
D16
D14
D15
D17
D12
D11
D10
D13D7D8D9D6
+15V
-15V
-42V
BD1
BR62
TO V1,V2 HEATER
MIDDLE
TREBLE
BASS
R86
680K
RETURN
SEND
LOOP
REVERB LEVEL
+15V
-15V8R4R
INPUT
POWER SW
POWER TRANSFORMER-VS5012
STANDBY
1N4007*4
470U/35V*2
1000U/25V*2
OUTPUT TRANSFORMER-VS5012
AC INPUT
1N4004*4
1N4004*4
2003/4/14
8R
R102
47K5678
IC2
NJM4558D-B
Q2
J108
D4
1N4148
+444V
+432V
IC2
NJM4558D-A
R61
33K
R75
33K
R76
10M
R77
100K
R78
10M
C52
223/630V
C51
223/630V
C50
470P/1KV
VR10
30A20K
VR9
05A1M
VR8
B200K87
RL4
VR4
B1M
R22
47K
R23
470K
C15
472/100V
C17
471/100V
C16
222/100V
C18
471/100V
JK1
CK3-6.35-34A
R1
68K
RL3Q5A1015GRQ4A1015GR
R119
2K4
R116
3K3
R118
56R
R191MR120
33K
LED2
GREEN
LED1
RED
R121
15K
R117
15K
+15V
Q7
A1015GRQ6A1015GR
R123
3K3
R124
3K3
R125
6K8
LED4
GREEN
LED3
RED
R126
100R
R122
47K
LED7
YEL
Q12
A1015GR
R136
47K
R137
6K8
R135
3K3
+15V
-15V
CH.SW
OD.OFF
BOOST
REV.ON
Q8
A1015GR
R127
100K
Q10
A1015GR
R129
3K3
R131
270R
R130
47K
OD.OFF
LED5
RED
+15V
Q9
A1015GR
R128
33KD31N4148Q1J108
RL1
RL4
Q11
A1015GR
R132
6K8
R133
33K
LED6
GREEN
R134
33K
-15V
BOOST
C45
473
R63
1M
REV
RL3
-15V
C33
203
R46
1M
vin
vout
gnd
IC5
7815
C87
GAIN1
GAIN2
SW1
MASTER
REVERB
CLEAN
BOOST
GAIN1
GAIN2
OVERDIVE
NORMAL
OVERDIVE CH
OVERDIVE CH
NORMAL CH
NOMAL
OVERDIVE
GAIN1
LOW
HIGH
VR2
B200K
OV LEVEL
C94
103/250V
RT1
N20SP010M
1
5
26JK8
CK3-6.35-34A
R149
100R/2W
PHONE
1234IC1
LM324N-D
R151
47R
R32
1M
123
RL5
OVLEVEL SW
R154
1M
C9
102
C41
104
R160
2K2
RL5
Q14
A1015
Q15
J108
R155
100K
R156
33K
R1581MD18
1N4148
-15V
+15V
R157
33K
0R
MIDDLE
TREBLE
BASS
-36V
50mv
123
RL5
+
_
SPEAKER
4R
50mv
8R 150W
Q16
J103
R161
1M
OD.OFF
C96
154
C97
100U/25V*2
vinvout
gnd
IC6
7915
D20
1N4004
D21
1N4004
FUSE2
TO-V3,4,5,6
F6.3AL
HEATER
CN200
TO DIN JACK
R204
47K
R205
47K
SW2 SW1
+15V
SW3
R200
1K
R201
1K
R202
1K
Q200
C1815
Q201
C1815
Q201
C1815
CH.SW
GAIN SW
BOOST SW
R203
1K
Q202
C1815
R207
82K
R208
150K
C200
10U/100V
R209
820R
C201
10U/100V
Loading...