DOWNLOAD JBL DIGITAL 12 Service Manual ↓ Size: 35.83 KB | Pages: 1 in PDF or view online for FREE

Model
DIGITAL 12
Pages
1
Size
35.83 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
digital-12.pdf
Date
PREV: JBL DIGITAL 10 Service Manual

JBL DIGITAL 12 Service Manual ▷ View online

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A
B
C
D
E
F
G
H
I
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14
13
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H
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E
D
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B
A
Model Name:
Part No:
Date:
Drawn:
Rev.
a
MBD-04020102
BU-120E
17-Oct-2000
MS/LL
2
Sheet:
1
of
1
U1
U1
LM324
C19
100nF
C18
100nF
C20
100nF
R48
6k98
R40
68k
C33
220pF
C13
10nF
C15
200uF
C16
200uF
7
5
6
R44
10k
R42
100k
R43
100k
LEVEL 1
5k LOG
High Level In
RCA Connector
High Level Out
2
3
1
R30
16k5
U1
LOPASS
100k Lin Pot
C7
33nF
13
14
12
2
3
1
4
6
5
+15V
-15V
C9
100nF
C17
100nF
R45
10k
POT.
HI-PASS / EQ
LO-PASS
LINE LEVEL INPUT
R35
332k
R39
36k5
R31
16k5
C14
330nF
R27
8k25
Q2
2N3906
Q1
MPSA13
D4
1N4148
D3
1N4749A
R18
330k
R26
1000K
R22
2k2
R20
4k7
R32
470k
R19
1k
R21
10k
C26
10nF
V+
V-
C27
3n3F
R52
1k
R59
4k7
R57
1k
R50
150R
R4
47k
U2
TL 082
R24
22k
R25
47k
R54
100R
R55
100R
R56
100R
R53
100R
DIODE CLIPPER
BR RECT
RS604
D6
1N5234B
C8 100nF
R9
2k
R46
47R
D10
1N4744A
D9
1N4744A
C4
100nF
C5
100nF
D1
1N5256B
R1
1M5
R16
470R
R58
4k64
C3
330nF
R3
33k2
L2
2.2uH
L1
110uH
C6
10uF
C24
100nF
R15
100k
R4B
0.1R
R4A
0.1R
Q5
MPSA56
R6
1k
Q4
MPSA56
R8
47k
R7
3k3
R5
1k
Q3
2N4401
V+
V-
CMC
2m2H
C7A
100nF
C7B
100nF
R17
470R
C1
4700uF
C2
4700uF
SHORT CIRCUIT PROTECT
UVLO
R IP
RCA
L IP
RCA
LED
DRIVE
C11
100uF
LED1
2 Clr LED
D2
1N4148
R33
150R
+6V
V+
V-
+15V
S/D
FR
I/P
GND
-15V
O/P
MODULE
S53
7
11
700Hz Lo-Pass
+6V Supply
OUTPUT FILTER
R36
8k66
R2
8k66
R37
8k66
U1
LM324
U2
TL 082
PHASE SW
SPDT
LOPASS 
100k Lin Pot
C31
47nF
R51
38k3
R49
383k
L OP
RCA
R OP
RCA
U3
TL 082
U3
TL 082
C25
N/F
C12
N/F
C32
N/F
C30
N/F
From L IP RCA
From R IP RCA
R11
N/F
R10
N/F
R13
N/F
R12
N/F
C28
N/F
C10
N/F
5
6
7
+15
-15
3
1
2
R
L
SPKR LEV IO
R
L
SPKR LEV IO
TRANSFORMER IS MOUNTED ON FACPLATE
AC Feed
QUICK FIT TERMINAL
GND
QUICK FIT TERMINAL
AC Return
QUICK FIT TERMINAL
SPK-
QUICK FIT TERMINAL
SPK+
QUICK FIT TERMINAL
10
9
8
R4C
0.1R
D add
1N4735A
2
3
1
1
2
3
REMOTE
LED2
N/F
L3
L4
1
2
3
4
5
6
7
8
H-Pass Pot.
1
2
J7
1
2
J6
1
2
J5
1
2
J4
N/F
N/F
N/F
N/F
N/F
N/F
Jumper
Jumper
CZ
N/F
CW
N/F
C29
0R
TRX
MCI 4340E
FUSE (On FUSE PCB)
0.5A
To AC Feed
To GND
To AC Return
To Power Cord
To Power Cord
SW
C add
10nF
N/F
N/F
Display

JBL DIGITAL 12 Service Manual ▷ Download

  • DOWNLOAD JBL DIGITAL 12 Service Manual ↓ Size: 35.83 KB | Pages: 1 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the JBL DIGITAL 12 in PDF for free, which will help you to disassemble, recover, fix and repair JBL DIGITAL 12 Audio. Information contained in JBL DIGITAL 12 Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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