JBL JRX-118-SP Service manual
JBL Incorporated, 8500 Balboa Boulevard, P.O.Box 2200, Northridge, California 91329 U.S.A.
JBL JRX118SP/230
REV M
PACKAGE
WIRING DIAGRAM
06-08
Technical Manual
JBL JRX118SP/230
SPECIFICATIONS
ACOUSTIC & ELECTRICAL SPECIFICATIONS:
• Nominal Impedance: 4 ohm
• Amplifier Power: 300 Watts
• Frequency Range: 38Hz – 300 Hz (–10dB)
• Sensitivity: 96dB SPL (1 W at 1 M)
• Crossover Frequency: 300Hz
SYSTEM COMPONENTS:
• Cabinet: (Not For Sale)
• Grille: 352838-001
• Low Frequency 460mm (18 in.) Cone
Transducer: Transducer (2043G)
• DC Resistance: 2.6 ohm
AURAL SWEEP TEST SPECIFICATIONS:
A. System Aural Sweep Test: 0.5 Vrms for 300 W Output
(Sub Level Control Fully Clock-Wise)
Sweep 20 Hz to 150 Hz
B. L.F. Aural Sweep Test: 10.0V Input, 20 Hz to 1.2 kHz
PHYSICAL SPECIFICATIONS:
• Enclosure Dimensions: 597mm x 516mm x 597mm D
(23.5 x 20.3 x 23.5 in. D)
• Net Weight: 89 lbs. (40.4 kg.)
WARRANTY INFORMATION:
• Refer to Warranty Statement packed with each product.
Warranty 59660
Specification Sheet
352941-001
BLK
RED
Amp, 120V
364250-001
Amp, 230V
364251-003
Driver, Low Freq
2043G
352938-001X
Cone Repl
C4R2043
Filler (2)
352986-001
Micro Foam (16)
49790P
Carton
352926-003
AC Cord
425-00000-00
JBL JRX118SP/230
JBL JRX118SP/230
COMPONENT EXPLODED VIEW
Grille,
352838-001
Screw (14)
883-41110-24
8 x 1-3/4
PAN, HD, PB,
BLK, ZINC
Assy, Handle (2)
339018-002
Screw (12)
883-41110-12
8 x 3/4
PAN, PH, PB, BLK
ZINC, LCS
Driver, Low Freq
2043G
352938-001X
Cone Repl
C4R2043
Screw (8)
884-41110-16
No.10 x 1, PAN,
PH, PB, BLK,
ZINC, LCS
Cabinet,
JRX118SP
(Not for Sale)
Foot (4)
924-00002-01
Screw (4)
729-90001-16
No.12 x 1
THR Forming
FLT HD, PH, TY
Badge, Grille,
352920-001
Amp, 120V
364250-001
Amp, 230V
364251-003
Screw (12)
883-41110-16
No.8 x 1, PAN, PH,
PB, BLK, ZINC, LCS
Stand Cup,
339268-002
Screw (4)
806-11010-20
1/4-20 x 1-1/4
FLT, PH, UNC, BLK,
ZINC, L
JBL JRX118SP/230
COMPONENTS
JBL JRX118SP/230
4
5
6
7
8
9
10
11
12
13
14
3
2
1
4
5
67
89
10
10
3
2
2
1
INPUT BOARD
MAIN BOARD
COMPONENT PARTS LIST: Main PCB 351044-001
Item Part No. Qty Description Ref. Des.
1 351047-001 1 TSE-103 K L:50MM TH1
2 351056-001 4 IRFP250N Q11,13,15,17
3 351036-001 5 Brkt Pwr Transistor P. Transistors
4 351049-001 2 10000 UF63V C1, C4
5 351059-001 1 400V, 8A BR1
6 351053-001 1 70UH L8
7 351060-001 1 LM317T Q6
Item Part No. Qty Description Ref. Des.
8 351051-001 2 30MH L9, L10
9 351061-001 2 LM337T Q8
10 351070-001 1 48VDC RELAY RLY1
11 351052-001 1 56 UH L12
12 351072-001 1 JRX118SP DRIVE PIN 1 A
13 351398-001 1 7 PIN CONN
14 331399-001 1 11 PIN CONN
COMPONENT PARTS LIST: Input PCB 351086-001
Item Part No. Qty Description Ref. Des.
1 351104-001 2 TRS-5VDC K1, K2
2 351098-001 2 PN: NC3MAH JK201,JK204
3 351090-001 1 J113 Q206
4 351103-001 1 PO12BA-PA8 SW S202
5 351102-001 1 P242BLB-PC10 SW S201/SW201
Item Part No. Qty Description Ref. Des.
6 351089-001 PN: LT6431-81 D213
7 351088-001 1 PN: LT6421-81 D210
8 351087-001 1 PN: RD09L1120032-EJ VR201
9 351100-001 1 PN: SCJ628R3 NAS1B00 JK1
10 351099-001 2 XLR (NEUTRIK) JK202,JK204
JBL JRX118SP/230
JBL JRX118SP/230
COMPONENTS
FINAL ASSEMBLY
FUSE – PT2 BD
COMPONENT PARTS LIST: Final Assembly
COMPONENT PARTS LIST: Fuse PT2 BD 351105-001
2
3
4
5
5
3
2
1
1,6
Item Part No. Qty Description
1 351032-001 1 PN:TTO-10654-01 Toroid Transf ormer 120V
2 351044-001 1 Main
3 351086-001 1 JRX118SP Pre PCB
4 351105-001 1 Fuse/PT2 BD
5 351255-001 1 Power Switch
6 352329-001 1 PN;TTO-10655-02 Toroid Transformer 220V
Item Part No. Qty Description Ref. Des.
1 351109-001 1 200V, 2A BR2
2 351106-001 2 4700UF/25V 85C C15, C16
3 351107-001 1 PN:XG275M224VHS2 CXAC18
4 351108-001 1 324UH L13
5 351111-001 1 7A/250V5X20MM F1
Fuse Holder, 351110-001
351804-001
AC Plug
JBL JRX118SP/230
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