JBL G SUB 10 User manual

JBL Consumer Products Inc.
250 Crossways Park Dr.
Woodbury,N.Y.11797
1 800 336 4JBL in the USA
A Harman International Company
Rev B 4/02
Media Sub
TECHNICAL MANUAL
Single 5.25" Powered Multimedia Subwoofer

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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
PACKAGINGEXPLODEDVIEW.................................11
INTEGRATEDCIRCUITDIAGRAMS..........................12
SCHEMATICDIAGRAM..............................................13
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

MEDIA SUB EXPLODED VIEW

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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

BLOCK DIAGRAM

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PRINTED CIRCUIT BOARDS1&2(viewing trace layer through the board)

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PRINTED CIRCUIT BOARDS1&2(viewing silk-screen through the board)

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PRINTED CIRCUIT BOARD 3 (viewing trace layer through the board)

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PRINTED CIRCUIT BOARD 3 (viewing silk-screen through the board)

MEDIA SUB ELECTRICAL PARTS LIST
Part Number Description Qty Reference Designator
Resistors
QAF0250-331 RESISTOR 330 OHM 1/2W 5% CF 1 R136
QAF0250-479 RESISTOR 4.7 OHM 1/2W 5% CF 1 R137
QAF0450-100 RESISTOR 10 OHM 1/4W 5% CF 1 R146
QAF0450-101 RESISTOR 100 OHM 1/4W 5% CF 2 R132 R134
QAF0650-102 RESISTOR 10K OHM 1/6W 5% CF 2 R115 R124
QAF0650-103 RESISTOR 10K OHM 1/6W 5% CF 17 R101 R102 R105 R106 R108 R109 R122 R123
R125 R128 R133 R138 R139 R140 R153 R160
R161
QAF0650-104 RESISTOR 100K OHM 1/6W 5% CF 1 R117
QAF0650-105 RESISTOR 1.0M OHM 1/6W 5% CF 1 R114
QAF0650-152 RESISTOR 1.5K OHM 1/6W 5% CF 3 R126 R147 R149
QAF0650-183 RESISTOR 18K OHM 1/6W 5% CF 4 R110 R111 R112 R113
QAF0650-223 RESISTOR 22K OHM 1/6W 5% CF 2 R151 R162
QAF0650-224 RESISTOR 220K OHM 1/6W 5% CF 1 R120
QAF0650-304 RESISTOR 300K OHM 1/6W 5% CF 1 R158
QAF0650-330 RESISTOR 33 OHM 1/6W 5% CF 1 R127
QAF0650-332 RESISTOR 3.3K OHM 1/6W 5% CF 1 R148
QAF0650-334 RESISTOR 330K OHM 1/6W 5% CF 2 R119 R159
QAF0650-392 RESISTOR 3.9K OHM 1/6W 5% CF 1 R154
QAF0650-393 RESISTOR 39K OHM 1/6W 5% CF 1 R107
QAF0650-394 RESISTOR 390K OHM 1/6W 5% CF 1 R116
QAF0650-472 RESISTOR 4.7K OHM 1/6W 5% CF 1 R156
QAF0650-562 RESISTOR 5.6K OHM 1/6W 5% CF 2 R129 R150
QAF0650-563 RESISTOR 56K OHM 1/6W 5% CF 2 R130 R135
QAF0650-682 RESISTOR 6.8K OHM 1/6W 5% CF 1 R152
QAF0650-821 RESISTOR 820 OHM 1/6W 5% CF 1 R131
QAF0650-824 RESISTOR 820K OHM 1/6W 5% CF 1 R121
QAF0650-103 RESISTOR 10K OHM 1/6W 5% CF 2 R103 R104
Capacitors
PRD1335-220 COND DISC 22 pF 50V 5% 1 C124
PRD3545-101 COND DISC 100 pF 50V 10% Y5P 3 C102 C118 C122
PRD3545-102 COND DISC 1000 pF 50V 10% Y5P 1 C121
PRD3545-104 COND DISC 0.1 uF 50V 10% Y5P 2 C155 C156
PRD3545-331 COND DISC 330 pF 50V 10% Y5P 1 C115
PRD3545-471 COND DISC 470 pF 50V 10% Y5P 1 C114
PRD4965-203 COND DISC 0.02 uF 50V +80-20% 3 C152 C153 C154
PRE3951-101 COND ELECT 100 uF 10V 20% 85'C 2 C103 C116
PRE3951-221 COND ELECT 220 uF 10V 20% 85'C 1 C111
PRE3952-100 COND ELECT 10 uF 16V 20% 85'C 1 C110
PRE3952-101 COND ELECT 100 uF 16V 20% 85'C 2 C112 C128
PRE3952-221 COND ELECT 220 uF 16V 20% 85'C 1 C132
PRE3954-100 COND ELECT 10 uF 35V 20% 85'C 2 C123 C129
PRE3954-221 COND ELECT 220 uF 35V 20% 85'C 2 C117 C120
PRE3955-109 COND ELECT 1 uF 50V 20% 85'C 3 C113 C119 C133
PRE3955-478 COND ELECT 0.47 uF 50V 20% 85'C 1 C108
PRE3955-479 COND ELECT 4.7 uF 50V 20% 85'C 1 C101
PRM3737-104 COND MYLAR 0.1 uF 100V 5% 1 C157
PRM3737-152 COND MYLAR 0.0015uF 100V 5% 1 C158
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