JBL MEDIA 2 Service Manual ▷ View online
7
Two-Way Speaker System
Media 2
REF. NO.
PART NO.
DESCRIPTION
QTY
Transistors
Q101, 102
1020945161
2SC945P
4
103, 104
Diode
D101, 102
125200032
IN4148
2
Diode (Zener)
ZD101, 102
1253000022
1/2W 9.1V (MTZ9.1B)
2
Diode (LED)
LD101
1257000041
2x5 m/m RED/GREEN
1
Integrated Circuits
U101, 103
1281000021
TLO74CN OP AMP
2
U102
1281000031
LA4700 POWERAMP
1
Resistor (Carbon)
R101, 102, 103, 1312033361
1/4W 33 K
Ω
±5%
4
104
R105, 106
1312056361
1/4W 56 K
Ω
±5%
2
R107, 108
1312012361
1/4W 12 K
Ω
±5%
2
R109, 110, 111
1312010361
1/4W 10 K
Ω
±5%
11
112, 123, 124,
130, 148, 149,
153, 156
R113, 114, 115, 1312027261
1/4W 2.7 K
Ω
±5%
4
116
R117, 118
1312015161
1/4W 150
Ω
±5%
2
R119, 120, 121
1312010161
1/4W 100
Ω
±5%
5
122, 134
R125, 126, 127, 1312022961
1/4W 2.2
Ω
±5%
4
128
R129, 150
1312022361
1/4W 22 K
Ω
±5%
2
R131
1312033061
1/4W 33
Ω
±5%
1
R132
1312010061
1/4W 10
Ω
±5%
1
R133
1312015261
1/4W 1.5 K
Ω
±5%
1
R135, 136, 137, 1312010461
1/4W 100 K
Ω
±5%
5
138, 147
R139
1312015461
1/4W 150 K
Ω
±5%
1
R140, 141
1312022261
1/4W 2.2 K
Ω
±5%
2
R142
1312018561
1/4W 1.8 K
Ω
±5%
1
R143
1312018461
1/4W 180 K
Ω
±5%
1
R144, 152
1312033161
1/4W 330
Ω
±5%
2
R145
1312039461
1/4W 390 K
Ω
±5%
1
R146
1312082461
1/4W 820 K
Ω
±5%
1
R151
1312068261
1/4W 6.8
Ω
±5%
1
R154
1312010261
1/4W 1 K
Ω
±5%
1
R155
1312068161
1/4W 680
Ω
±5%
1
Capasitors (Electrolitic)
C101, 102, 103, 1546105112
50V 1
µ
F 85
°
C ±20%
8
104, 111, 112,
113, 114
C117, 118, 119, 1542107112
10V 100
µ
F 85
°
C ±20%
8
120, 121, 122,
128, 132
C129
1544107112
25V 100
µ
F 85
°
C ±20%
1
REF. NO.
PART NO.
DESCRIPTION
QTY
C130
1544228111
25V 2200
µ
F 85
°
C ±20%
1
C131
1546475112
50V 0.47
µ
F 85
°
C ±20%
1
C134, 138
1546106112
50V 10
µ
F 85
°
C ±20%
2
C135, 136
1542227112
10V 220
µ
F 85
°
C ±20%
2
Capasitors (Polyester)
C107, 108, 109, 1631683420
50V 0.0068
µ
F ±10%
4
110
C115, 116
1631472420
50V 0.0047
µ
F ±10%
2
C123, 124, 125
1631104420
50V 0.1
µ
F ±10%
4
126
Capasitors (Ceramic)
C105, 106
1723470142
50V 47PF CH ±5%
2
C133
1733221152
50V 220PF B ±5%
1
C139, 140
1733472272
50V 0.0047
µ
F F +8~-20%
2
C141
1733101142
50V 100PF CH ±5%
1
VR (Rotary)
VR101A, B
1951032402
10KBX2
1
VR102A, B
1951031601
10KAX2
1
PCB
2001300300
PCB, FIGURED 1.6T 94V-0
1
Speakers
2110040204
1-3/4" PEIZO SPEAKER2
2110075303
12
Ω
3" SHIELDED SPEAKER2
Wires
2286053803
VINYL COAT WIRE 380-5-5
1
AWG24 UL1007 BLUE
2284053803
VINYL COAT WIRE 380-5-5
2
AWG24 UL1007 YELLOW
P103A, B
2282062203
VINYL COAT WIRE 220-5-5
1
AWG26 UL1007 RED
P104A, B
2285062203
VINYL COAT WIRE 220-5-5
1
AWG26 UL1007 GREEN
P105A, B
2280062203
VINYL COAT WIRE 220-5-5
1
AWG26 UL1007 BLACK
J101, 102, 111
2350607500
JUMPERWIRE 0.6
∅
- 7.5
11
113, 115, 116,
117, 118, 119,
120
J103, 104, 109,
2350610000
JUMPERWIRE 0.6
∅
- 10
5
110, 112
J105, 106, 107
2350615000
JUMPERWIRE 0.6
∅
- 15
4
114
RB101A, B
2360100002
CONNECTIVE CORD
1
5C-100 AWG26 UL1007
RB102A, B
2360130001
CONNECTIVE CORD
1
4C-130 AWG26 UL1007
Jacks
JK101, 102, 103 2460103003
JACK (EAR),
3
3P ST-3.5
∅
-3P LJE0361-3RT
JK104
2460801004
JACK (DC) 2.0 DIA DC-014
1
JK105
2460601001
JACK (RCA),
1
1P RJ-1034-30BL-02
2460601002
JACK (RCA),
1
1P NUT TYPE SCJ-0363B
ELECTRICAL PARTS LIST
8
Two-Way Speaker System
Media 2
PACKAGING EXPLODED VIEW
9
Two-Way Speaker System
Media 2
INTEGRATED CIRCUITS
Media 2 Schematic Diagram
TWO-WAY SPEAKER SYSTEM
Media 2 Speakers
10
1
2
3
4
5
6
7
8
9
L
M
N
K
J
I
H
G
F
E
D
C
B
A
9
8
7
6
5
4
3
2
1
L
M
N
A
B
C
D
E
F
G
H
I
J
K
7.65V
0V
0V
3.82V
3.82V
3.82V
3.82V
3.82V
3.82V
3.82V
3.82V
3.82V
3.82V
3.82V 3.82V
7.95V
0V
0V
7.98V
16.40V
15.7V
15.7V
16.19V
0.60V 0V
0.60V 0V
0V
0V
0V 5.60V
0V
0V
0V
0V
0.60V 0V
0.60V
7.80V
0V
0V
16.40V 0V
0V
0V
0V
0V
0V
7.93V
7.91V
3.82V
3.82V
3.82V
3.82V
3.82V
3.82V
3.82V
3.82V
3.82V
7.69V
1.54V
1.59V
1.59V
3.81V
6.7V
1.37V
1.37V
0V
0V
0V
0.7V
7.5V
2.1V
2.8V
0.34V
5.1V
0V
8.76V
16.0V
9.4V
16.3V
Test voltages are printed in orange.
voltages are
displayed in boxes. Other voltages
shown are for
shown are for
due
to the Auto On/Off function.
Operational Mode
Stand-by Mode
3.8V
3.8V
3.8V
3.8V
3.8V
3.8V
3.8V
3.8V
3.8V
3.8V
3.8V
3.8V
7.6V
0V
0V
2.7V
0.01V
1.85V
+16.0
8.1V
8.7V
16.0V
0.65V
0.93V
7.6V
3.8V
3.8V
3.8V
3.8V
3.8V
3.8V
3.8V
3.8V
3.8V
0V
0V
0V
Click on the first or last page to see other MEDIA 2 service manuals if exist.