Power Base-1 & 460CSL Amplifier Service Manual
34
Q42776-7 Main Module Parts List (D 7251-8 Board)
Q42776-7 Main Module (3rd Gain) for PB-1:
CAPACITORS
C1
C 3913-8
470uF
C2
C 3913-8
470uF
C4
C 6802-0
.47uF
C5
C 6806-1
.01uF
C6
C 6806-1
.01uF
C7
C 6094-9
33uF
C8
C 6806-1
.01uF
C100
C200
C 5311-3
22uF
C101
C201
C 2820-6
5pF
C103
C203
C 6805-3
.022uF
C104
C204
C 6804-6
.1uF
C105
C205
C 6812-9
47pF
C106
C206
C 6812-9
47pF
C108
C208
C 6814-5
12pF
C112
C212
C 6803-8
.12uF
C113
C213
C 6802-0
.47uF
C114
C214
C 8026-4
100uF 35V
C115
C215
C 8026-4
100uF 35V
C116
C216
C 6802-0
.47uF
C117
C217
C 6803-8
.12uF
C118
C218
C 6814-5
12pF
C122
C222
C 6811-1
100pF
C123
C223
C 6812-9
47pF
C124
C224
C 6812-9
47pF
C125
C225
C 8026-4
100uF 35V
C127
C227
C 8026-4
100uF 35V
C128
C228
C 7706-2
.1uF 100V
C129
C229
OPEN
C130
C230
C 6813-7
27pF
C133
C233
C 6814-5
12pF
C134
C234
C 6805-3
.022uF
C135
C235
C 6805-3
.022uF
C136
C236
C 6808-7
470pF
C137
C237
C 6808-7
470pF
C138
C238
C 6814-5
12pF
C139
C239
C 6814-5
12pF
C140
C240
C 6812-9
47pF
C141
C241
C 6812-9
47pF
C144
C244
C 8026-4
100uF 35V
C145
C245
C 6814-5
12pF
C146
C246
C 6809-5
220pF
C147
C247
C 6806-1
.01uF
C148
C248
C 6810-3
180pF
C 149 C249
C 6808-7
470pF
C150
C250
OPEN
C151
C251
OPEN
C152
C252
C 6809-5
220pF
C153
C253
C 6804-6
.1uF
DIODES
D1
C 2851-1
1N4004
D2
C 2851-1
1N4004
D3
C 2851-1
1N4004
D4
C 2851-1
1N4004
D5
C 2851-1
1N4004
D6
C 2851-1
1N4004
D7
C 2851-1
1N4004
D8
C 3181-2
1N4148
D9
C 3549-0
1N916B 10V
D104
D204
C 2851-1
1N4004
D105
D205
C 2851-1
1N4004
D106
D206
C 2851-1
1N4004
D107
D207
C 2851-1
1N4004
D108
D208
C 3181-2
1N4148
D109
D209
C 3181-2
1N4148
D110
D210
C 3181-2
1N4148
D111
D211
C 5061-4
1N3070
D112
D212
C 3181-2
1N4148
D113
D213
C 3181-2
1N4148
D114
D214
C 3181-2
1N4148
D115
D215
C 3181-2
1N4148
D120
D220
C 3181-2
1N4148
D121
D221
C 3181-2
1N4148
D122
D222
C 3181-2
1N4148
D123
D223
C 5061-4
1N3070
D124
D224
C 5061-4
1N3070
NETWORK RESISTORS
N100
N200
D 4669-4
Balanced Input Trim
N101
N201
D 6081-0
Resistor Network-B
N102
N202
D 6082-8
Resistor Network-C
TRANSISTORS
Q1
C 7458-0
2N4123
Q2
C 3625-8
2N4125
Q100 Q200 D 2961-7
SEL 2N3859A
Q101 Q201 C 3578-9
MPSA93
Q102 Q202 C 3810-6
MPSA43/A42
Q103 Q203 C 3786-8
PN4250A
Q104 Q204 C 3625-8
2N4125
Q105 Q205 C 3578-9
MPSA93
Q106 Q206 C 3625-8
2N4125
Q107 Q207 C 3786-8
PN4250A
Q108 Q208 D 2961-7
SEL 2N3859A
Q109 Q209 D 2961-7
SEL 2N3859A
Q110 Q210 C 3810-6
MPSA43/A42
Q111 Q211 D 2961-7
SEL 2N3859A
Q112 Q212 C 3625-8
2N4125
Q113 Q213 C 3625-8
2N4125
Q115 Q215 D 2962-5
MPS8097