JBL PowerBass PB12 Service Manual page 30

Ref. Designator
Part#
80122 L3
80122 L4
80138 CMC
LED 3
70322
LED Harness
108326
3AG TYPE
70323
3AG FUSE
80117
0.187" Tabs
70324
0.250" Tabs
70328
PB12 faceplate
70325
80105 Power cord
70305 Strain relief
70151 Switch
80116 Transformer
PREAMP section of PCB Version 7.2
Resistors
40405 R1
40405 R2
40406 R3
40406 R4
40406 R5
40406 R6
R8
40717
R9
40717
R10
40409
R11
40731
R12
40504
R13
40412
R14
40709
R15
R16
40732 R17
40722 R18
40722 R19
40722 R20
R21
40722 R22
R23
40109 R24
40412 R25
R26
40405
R27
40109
R28
40412
R30
40403
R33
40733
R34
40734
R35
40451
40402 LEVEL
40707 LOPASS
Capacitors Film Caps may be used in any position EXCEPT C1,C2
Description
8u5H 5 Amp
8u5H 5 Amp
3m6H 5 Amp
Molex 2 header
Molex 2 socket Glued into cabinet With 2 Bi-color LED
3AG PC CLIP
2A fuse
6
1
SW SPST
MCI4632 100VA
4k7 .25W
4k7 .25W
100k .25W
100k .25W
100k .25W
100k .25W
2k7 .25W
2k7 .25W
10k .25W
59k .25W
45k3 .25W
33k2 .25W
68k1 .25W
NOT USED
NOT USED
56k2 .25W
6k8 .25W
6k8 .25W
6k8 .25W
0 ohms
6k8 .25W
0 ohms
604 ohms .25W
33k2 .25W
4k7 .25W
604 ohms .25W
33k2 .25W
10k .25W
12k1 .25W
120k .25W
137k .25W
5k POT
Dual 20k POT
5% ferrite bead
5% ferrite bead
choke
Male connector
2 PCB-mount fuse clips
SloBlo, 3AG
0.187" PCB fastons
0.250" PCB fastons
PB12 faceplate
Power cord
Strain relief
Power Switch
4632 transformer
5% carbon
5% carbon
5% carbon
5% carbon
5% carbon
5% carbon
carbon
5%
carbon
5%
carbon
5%
carbon
5%
metal
1%
metal
1%
metal
1%
1% metal
5% carbon
5% carbon
5% carbon
5% carbon
1% metal
1% metal
metal
1%
metal
1%
metal
1%
metal
1%
metal
1%
metal
1%
metal
1%
20% Log (A) Pot
20% Lin (B) Pot.
30
SAFETY
SAFETY
SAFETY
SAFETY
SAFETY
SAFETY
SAFETY