JBL G SUB 10 User manual

JBL Consumer Products Inc.
80 Crossways Park West
Woodbury, N.Y. 11797
1 800 336 4JBL in the USA
A Harman International Company
Part No.: MEDIASUBSM Rev A
Media Sub
TECHNICAL MANUAL
Single 5.25" Powered Multimedia Subwoofer

1
Powered Subwoofer Media Sub
TABLE OF CONTENTS
FEATURES.....................................................................1
SPECIFICATIONS..........................................................1
MEDIA SUB EXPLODED VIEW ...................................2
DISASSEMBLY PROCEDURES ...................................3
BLOCK DIAGRAM .........................................................4
PCB1&2(vi wing trac lay r through th board) .....5
PCB1&2(vi wing silk-scr n through th board) .....6
PCB 3 (vi wing trac lay r through th board) ............7
PCB 3 (vi wing silk-scr n through th board) ............8
ELECTRICAL PARTS LIST ...........................................9
PACKAGING EXPLODED VIEW.................................10
INTEGRATED CIRCUIT DIAGRAMS ..........................11
SCHEMATIC DIAGRAM ..............................................12
FEATURES
nPow r d subwoof r syst m.
n25 watt amplifi r.
nAuto turn-on / turn-off circuitry.
nSubwoof r is magn tically shi ld d for flick r-fr us
n ar comput r monitors.
nBuilt-in l ctronic qualization for prop r fr qu ncy
balanc with sat llit sp ak rs.
nLin l v l st r o output for us with sat llit sp ak rs
that don’t hav a subwoof r output.
SPECIFICATIONS
Sp ak r Syst m...........Sixth band-pass nclosur
Sp ak r Siz ............5.25” woof r
Total Amplifi r Output Pow r ......25Wat10%THD
Input S nsitivity ...........250mV input for full pow r
Fr qu ncy R spons .........40Hz - 150Hz
Input Imp danc ..........10kohms
Signal Output jack ..........Strominiplug jack (1/8")
Signal Input Jacks ..........Strominiplug jack (1/8")
Ext rnal Dim nsions
H ight ..............10.25"
Width ..............7.35"
Dpth..............12"
W ight ..............12.8 lbs.
Ext rnal Dim nsions (m tric)
H ight ..............260mm
Width ..............186mm
Dpth..............305mm
W ight ..............5.8kgs

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Powered Subwoofer Media Sub
MEDIA SUB EXPLODED VIEW

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Powered Subwoofer Media Sub
Step 1
Remove the 8 purchase screws (S6) from the rear plate to separate the rear plate and the wood cabinet.
Step 2
Unplug the connector speaker wire from the PC amp assembly.
Step 3
Remove the 4 purchase screws (S5) from the rear plate to separate the rear plate and cover.
Step 4
Remove the power/volume knob from the rear plate.
Step 5
Remove the 4 purchase screws (S2) and nuts (N1) to separate the rear plate and transformer assembly.
Step 6
Remove the 2 purchase screws (S3) from the bracket and the 2 purchase screws (S4) and nuts (N2) from
the IC of STK4024 to separate the rear plate and Amp assembly.
Step 7
Remove the 4 purchase screws (S1) from the driver inside the wood cabinet to separate the wood cabinet
and the driver.
DISASSEMBLY PROCEDURES

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Powered Subwoofer Media Sub
BLOCK DIAGRAM

5
Powered Subwoofer Media Sub
PRINTED CIRCUIT BOARDS1&2(viewing trace layer through the board)

6
Powered Subwoofer Media Sub
PRINTED CIRCUIT BOARDS1&2(viewing silk-screen through the board)

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Powered Subwoofer Media Sub
PRINTED CIRCUIT BOARD 3 (viewing trace layer through the board)

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Powered Subwoofer Media Sub
PRINTED CIRCUIT BOARD 3 (viewing silk-screen through the board)

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Powered Subwoofer Media Sub
REF. NO. PART NO. DESCRIPTION QTY
Capacitors
C101 PRE3955-479 ELECT 4.7 uF 50V 20% 1
C102 PRD3545-101 DISC 100 pF 50V 10% 1
C103 PRE3951-101 ELECT 100 uF 10V 20% 1
C104, 105, 106 PRM3737-273 MYLAR 0.027 uF 100V 5% 4
107
C108 PRE3955-478 ELECT 0.47 uF 50V 20% 1
C110 PRE3952-100 ELECT 10uF 16V 20% 1
C111 PRE3951-221 ELECT 220 uF 10V 20% 1
C112 PRE3952-101 ELECT 100 uF 16V 20% 1
C113 PRE3955-109 ELECT 1uF 50V 20% 1
C114 PRD3545-471 DISC 470 pF 50V 10% 1
C115 PRD3545-331 DISC 330 pF 50V 10% 1
C116 PRE3951-101 ELECT 100 uF 10V 20% 1
C117 PRE3954-221 ELECT 220 uF 35V 20% 1
C118 PRD3545-101 DISC 100 pF 50V 10% 1
C119 PRE3955-109 ELECT 1 uF 50V 20% 1
C120 PRE3954-221 ELECT 220 uF 35V 20% 1
C121 PRD3545-102 DISC 1000 pF 50V 10% 1
C122 PRD3545-101 DISC 100 pF 50V 10% 1
C123 PRE3954-100 ELECT 10 uF 35V 20% 1
C124 PRD1335-220 DISC 22 pF 50V 5% 1
C126 PRM3737-104 MYLAR 0.1 uF 100V 10% 1
C128 PRE3952-101 ELECT 100 uF 16V 20% 1
C129 PRE3954-100 ELECT 10 uF 35V 20% 1
C130, 131 PVE3954-332 MYLAR 3300 uF 35V 20% 1
C132 PRE3952-221 ELECT 220 uF 16V 20% 1
C133 PRE3955-109 ELECT 1 uF 50V 20% 1
Connectors
RB102A CC 1500-035 10 PI B10B-XH-A 1
POST BASE TOP
Diodes
D101, 102, 104 RAD4148-001 SW 1 4148 3
ZD102 RAZ0859-070 ZE R 5.6-5.9V 1
ZD101 RAZ0859-081 ZE R 11.9-12.4V
ZD103 RAD4001-001 RECTIFIER 1 4001 1A 35VRM 1
BD101 RHD0202-001 RECTIFIER BRIDGE RS202L 1
Integrated Circuits
IC101 RHI0740-001 14 PI TL074C Op Amp 1
IC102 RHI4558-001 8 PI JRC4558D Op Amp 1
IC103 RHI4024-001 15 PI STK4024 Power Amp 1
Transistors
Q101, 102, 103 RA 0945-001 P 2SC945P 6
106, 107, 108
Resistors
R101, 102, 103 QAF0650-103 10K Ω1/6W ±5% 6
104, 105, 106
R107 QAF0650-393 39K Ω1/6W ±5% 1
R108, 109 QAF0650-103 10K Ω1/6W ±5% 2
R110, 112, 113 QAF0650-183 18K Ω1/6W ±5% 3
R114 QAF0650-105 1.0M Ω1/6W ±5% 1
R115 QAF0650-102 1K Ω1/6W ±5% 1
R116 QAF0650-394 390K Ω1/6W ±5% 1
R117 QAF0650-104 100K Ω1/6W ±5% 1
R119 QAF0650-334 330K Ω1/6W ±5% 1
R120 QAF0650-224 220K Ω1/6W ±5% 1
R121 QAF0650-824 820K Ω1/6W ±5% 1
R122, 123 QAF0650-103 10K Ω1/6W ±5% 2
R124 QAF0650-102 1K Ω1/6W ±5% 1
R125 QAF0650-152 1.5K Ω1/6W ±5% 1
R126 QAF0650-152 1.5K Ω1/6W ±5% 1
R127 QAF0650-330 33 Ω1/6W ±5% 1
R128 QAF0650-103 10K Ω1/6W ±5% 1
R129 QAF0650-562 5.6K Ω1/6W ±5% 1
R130 QAF0650-563 56K Ω1/6W ±5% 1
R131 QAF0650-821 820K Ω1/6W ±5% 1
R132 QAF0450-101 100 Ω¼W ±5% 1
R133 QAF0650-103 10K Ω1/6W ±5% 1
R134 QAF0450-101 100 Ω¼W ±5% 1
R135 QAF0650-563 56K Ω1/6W ±5% 1
R136 QAF0250-331 330 Ω½W ±5% 1
R137 QAF0250-479 4.7 Ω½W ±5% 1
R138, 139, 140 QAF0650-103 10K Ω1/6W ±5% 3
R146 QAF0450-100 10 Ω¼W ±5% 1
R147 QAF0650-152 1.5K Ω1/6W ±5% 1
R148 QAF0650-332 3.3K Ω1/6W ±5% 1
R149 QAF0650-152 1.5K Ω1/6W ±5% 1
R150 QAF0650-562 5.6K Ω1/6W ±5% 1
R151 QAF0650-223 22K Ω1/6W ±5% 1
R152 QAF0650-682 6.8K Ω1/6W ±5% 1
R153 QAF0650-103 10K Ω1/6W ±5% 1
R154 QAF0650-392 3.9K Ω1/6W ±5% 1
R156 QAF0650-472 4.7K Ω1/6W ±5% 1
R158 QAF0650-304 300K Ω1/6W ±5% 1
R159 QAF0650-334 330K Ω1/6W ±5% 1
R160, 161 QAF0650-103 10K Ω1/6W ±5% 2
R162 QAF0650-223 22K Ω1/6W ±5% 1
Miscellaneous
FLUX XFX0516-003 FLUX SM-35-10
SOLDER BAR XSD0515-001 60% TI 40% LEAD
SOLDER WIRE XSD9143 0.05
THI ER FLUX XT 5714-002 ALPHA 425
THI ER OIL XT 5714-002 HOLLIS 225
RL101 MRL2212-003 RELAY OJE-SS-112DM 1
12V DC 37.5mA
WIRE, BARE AI20870-022 22 Ga Tinned
TRANSFORMER PARTS LIST
F101 KSA2100-001 FUSE 1A 250V
P103A to P103B 20565-122BB WIRE 22 Ga 120mm RED
P104A to P104B 20565-120BB WIRE 22 Ga 120mm BLACK
P105A to P105B 20565-122BB WIRE 22 Ga 120mm RED
P106, 107 XHP0001-001 L PI
CABLE/WIRE VMC0001-006 MIC CABLE BLACK 9 FT PLUG 3.5”
FUSE CLIP CFC2557-001 5D 5x20
CONTROL ACK PCB PARTS LIST
ROTARY CO TROL MRR0103-001 10K W W/SW O RED 1
JK101, 102 CJM9380-028 PHO E JACK JYE TAI 2
LD001 DSS0545-003 LED HOUSI G 1
LD001 KEM0001-001 LED 1
R103, 104 QAF0650-103 RESISTOR 10 Ω1/6W 5% 2
RB102B to RB102A 5003A2501B0 CO /WIRE 10 CO D 250mm
ELECTRICAL PARTS LIST

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Powered Subwoofer Media Sub
PACKAGING EXPLODED VIEW

11
Powered Subwoofer Media Sub
INTEGRATED CIRCUIT DIAGRAMS

12
K
J
IHGFEDCBA LMN0
1
2
3
4
5
6
7
8
P
8
7
6
5
4
3
2
1
9
LMAB CDEF GH I JK
9
0P
N
Media Sub Schematic Diagram
POWERED SUBWOOFER Media Sub
IC103
STK4024 II
Test voltages are printed in orange.
voltages are
displayed in boxes. Other voltages
shown are for due
to the Auto On/Off function.
Operationa Mode
Stand-by Mode
0.0V
0.0V
0.0V
0.0V
0.0V
0.0V
0.0V
0.0V
-20.1V
20.1V
20.4V
-1.3V
-1.3V
-22.4V
22.2V
-22V
-1.35V
-1.34V
-22.6V
22.4V
5.6V
5.61V
0.0V
0.0V
5.6V
5.6V 5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V 5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
-1.2V -1.27V
-21.8V -21.7V
-13.5V
21.9V
0.5V
-22.4V
AC
17.7V
AC
17.7V
22.3V
11.0V
1.3V
0.47V
7.14V
2.47V
2.48V
0V
5.9V
6.10V
6.3V 7.25V
4.8V
1.36V
12.1V
12.1V
12.1V 12.1V

IHGFEDCBA
8
7
6
5
4
3
2
1
9
ABCDEFGH I
Media Sub Schemati
POWERED SUBWOOFER
5.6V
5.61V
0.0V
0.0V
5.6V
5.6V 5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V 5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
5.6V
+11.0V
1.3V
0.47V
7.14V
2.47V
2.48V
0V
5.9V
6.10V
6.3V 7.25V
4.8V
1.36V
12.1V
12.1V
12.1V 12.1V

12
K
J
ILMN0
1
2
3
4
5
6
7
8
P
LMIJK
9
0P
N
b
Schematic Diagram
Media Sub
IC103
STK4024 II
Test voltages are printed in orange.
voltages are
displayed in boxes. Ot er voltages
s own are for due
to t e Auto On/Off function.
Operationa Mode
Stand-by Mode
0.0V
0.0V
0.0V
0.0V
0.0V
0.0V
0.0V
0.0V
-20.1V
+20.1V
+20.4V
-1.3V
-1.3V
-22.4V
+22.2V
-22V
-1.35V
-1.34V
-22.6V
+22.4V
-1.2V -1.27V
-21.8V -21.7V
-13.5V
+21.9V
+0.5V
-22.4V
AC
17.7V
AC
17.7V
+22.3V