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Harman JBL Club-704 Service Manual
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Harman JBL Club-704 Service Manual

High-performance 4-channel car amplifier
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Summary of Contents for Harman JBL Club-704

  • Page 2: Important Safety Instructions

    Contact your local waste management officials for information NOTE: Changes or modifications not expressly approved regarding the environmentally sound collection, recycling and by Harman could void the user’s authority to operate the disposal of used batteries. equipment. To remove the batteries from your equipment or remote...
  • Page 3 Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor "chip" components. The following techniques should be used to help reduce the incidence of component damage caused by static electricity. 1.

  • Page 4: Safety Precautions

    SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Measure leakage current to a known earth ground (water pipe, conduit, etc.) by connecting a leakage current tester between the earth ground and all exposed metal parts of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc.).
  • Page 7 CLUB/REF704A Block diagram Controls Input selector LP/HP PASS Crossover Class H GAIN INPUT 32Hz 320Hz 30kHz LW/HI input min-max Phase Power Amplifier 2Ω/4Ω 32Hz-320Hz 12dB/oct FULL AGND Controls Input selector LP/HP PASS Crossover Class H GAIN INPUT 32Hz 320Hz 30kHz LW/HI input min-max Phase...
  • Page 8 EGND R34A C20A C23A C17A SW2I 106/16V +15V +15V R37A SW-SPDT U10A 2.5KZ R21A R24A R35A ADFL+ C13A R30A C21A R38A C19A R26A 4580 R28A 4580 106/16V SW2E AD_FL TP19 106/16V 2.5KZ HS-LO ADFL- ADFL SW-SPDT R20A C15A +15V 100R -15V -15V R36A...
  • Page 9 R41A C24A C28A C29A R40A C25A C26A R50A R52A FL-EQ R54A R51A +15V R42A 5.49K TP28 RL-EQ R53A +15V 4580 R44A R39A 4580 FL-EQ VR3C 4580 SW3B R56A C30A LPF_FL 4580 PRE_LO C100K VR3D 4580 110103000062 U22A 106/16V U14A TP24 220R -15V C100K...
  • Page 10 120203000085 HS-R- R12A HS-R+ 2.5KZ HS-L+ 106/16V R13A Halosonic INPUT 4580 FL-VR TP13 270R 270R 2.5KZ R14A C10A TP14 106/16V 100P R10A 4580 2.5KZ VR1B B20K 2.5KZ HI2 FL 4580 HS-LO CK3.5-18 2.5KZ 106/16V 106/16V HI1 FL 226/16V R11A AGND 106/16V SW1C 110103000061...
  • Page 11 +VCC_H +VCC_H +VCC C212 681/50V R205 R214 C207 101/50V AGND Q205 Q208 Q210 D203 2N5401 2SD669 TIP35C PROT C204 BAS316 FL_H 100P R201 R225 Q203 Q212 Q201 C201 620R R203 C1815 R227 620R FL+SG R209 R216 5.76K R229 10uF/25V R221 R211 R207 C1815...
  • Page 12 +VCC_H +VCC_H +VCC R405 R414 C407 101/50V Q405 Q408 Q410 D403 2N5401 2SD669 TIP35C PROT C404 BAS316 RL_H 100P R401 R425 Q403 Q412 Q401 C401 620R R403 C1815 R427 620R RL+SG R409 R416 5.76K R429 10uF/25V R421 R411 R407 C1815 C1815 C406 5.76K...
  • Page 13 LAYOUT DIAGRAM - PRE-AMP BOARD_TOP VIEW...
  • Page 14 LAYOUT DIAGRAM - PRE-AMP BOARD_TOP VIEW...
  • Page 15 LAYOUT DIAGRAM - MAIN BOARD_TOP VIEW...
  • Page 16 LAYOUT DIAGRAM - PRE-AMP BOARD_BOTTOM VIEW...

  • Page 19: Temp. Switch

    JBL CLUB704 SPARE PARTS LIST Pos. No. Description Usage MP0101000046 LOGO 20.1*16.1*4.2MM CLUB704 ZS0301100039 DECORATIVE SHEET PC CLUB704 88LE03200402 LED PCBA CLUB704 88AM03200819 MAIN PCBA CLUB704/REF704A MK0101000768 RCA COVER CLUB704 88FA03200421 PRE AMP PCBA CLUB704/REF704A SG0101000072 AC SOCKET ABS CLUB704 SG0101000071 SPEAKER JACK BRACKET ABS CLUB704 MK0101400707...
  • Page 20 U5P, U6P, U7P 060103000232 IC 4560 SOP-8 CLUB704/REF704A VR1, VR2 010703000363 POTENTIOMETER B20K ±10% CLUB704/REF704A VR3,VR4 010703000359 POTENTIOMETER C100K ±10% CLUB704/REF704A 140203000050 FUSE 30A 32V CLUB704/REF704A 170103000914 CABLE 26AWG 3P L160MM CLUB704/REF704A JD0101000022 Spring spacer φ5.6*φ3*1.3MM CLUB704/REF704A 121103000099 RCA SOCKET 1P CLUB704/REF704A MP0501000132 LOGO 144.7*24.5*0.35mm CLUB704 CH0102000643...