Harman Kardon HK 3490 Service Manual
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Harman Kardon HK 3490 Service Manual

2 x 120w stereo receiver
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See also: Service Manual , Owner's Manual
harman/kardon
harman/kardon
HK 3490/230
2 x 120W STEREO RECEIVER
Released EU2008
CONTENTS
2
3
4
5
6
7
8
9
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York, 11797
HK 3490/230 Service Manual
Service Manual
Rev 0, 09/2008
13
14
34
58
64
65
66
67
Page 1 of 70

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  • Page 1: Table Of Contents

    HK 3490/230 Service Manual harman/kardon Service Manual HK 3490/230 2 x 120W STEREO RECEIVER CONTENTS LEAKAGE CHECK EXPLODED VIEW AND PARTS ESD WARNING ELECTRICAL PARTS LIST TECHNICAL SPECIFICATIONS SEMICONDUCTOR PINOUTS TROUBLESHOOTING GUIDE PCB DRAWINGS FRONT PANEL CONTROLS BLOCK DIAGRAM...

  • Page 2: Leakage Check

    HK 3490/230 Service Manual 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...

  • Page 3: Esd Warning

    HK 3490/230 Service Manual 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"...

  • Page 4: Technical Specifications

    Depth measurement includes knobs, buttons and terminal connections. Height measurement includes feet and chassis. All features and specifications are subject to change without notice. Harman Kardon and Power for the Digital Revolution are registered trademarks of Harman International Industries, Incorporated. Page 4 of 70...

  • Page 5: Troubleshooting Guide

    Most problems users encounter are due to operating errors. If you have a problem, first check this list for a possible solution. If the problem persists, consult your authorized Harman Kardon Service Center.

  • Page 6: Front Panel Controls

    HK 3490/HK 3390’s output through video games or portable audio/video products turn on the HK 3490/HK 3390; press it again to a pair of headphones. Be certain that the head- such as camcorders and portable audio players.

  • Page 7: Rear Panel Connections

    D Video 3 Audio/Video Inputs N Reset Switch 4 Remote IR Out E Preamp Out O Coaxial Digital Audio Input (HK 3490 only) 5 Phono Inputs F Subwoofer Out P Optical Digital Audio Input (HK 3490 only) 6 CD Inputs...

  • Page 8: Package List And Parts

    HK 3490/230 Service Manual Page 8 of 70...

  • Page 9: Disassembly

    HK 3490/230 Service Manual Page 9 of 70...
  • Page 10 HK 3490/230 Service Manual HK 3490 DISASSEMBLY PROCEDURES <1> TOP-CABINET(21) REMOVAL 1. Remove 13 screws(S1) and then remove the Top-cabinet. <2> FRONT PANEL ASS’Y REMOVAL 1. Remove the Top-cabinet, referring to the previous step<1>. 2. Disconnect the lead wire(BN22-11P) on the Potentiometer PCB (43-4) from connector(CN22) on the Input PCB(45).
  • Page 11 HK 3490/230 Service Manual <8>FRONT PCB(43-1) REMOVAL 1. Remove the Top-cabinet, referring to the previous step<1>. 2. Remove the Front Panel ASS’Y, referring to the previous step<2>. 3. Remove the Potentiometer PCB(43-4) , referring to the previous step<3>. 4. Remove the PHONE PCB(43-3), referring to the previous step<4>.
  • Page 12 HK 3490/230 Service Manual 7. Disconnect the connector(CN13) from lead wire(BN13-9P) on the Front PCB(43-1). 8. Disconnect the connector(CN73) from lead wire(BN73-5P) on the PHONE PCB(43-3). 9. Disconnect the connector(CN61) from Power cord(35). 10. Remove 15 screws(S5-7EA, S8-2EA,S14-3EA,S9-1EA,S10-1EA,S3-1EA) and then remove the Main PCB ASS’Y(44).

  • Page 13: Exploded View And Parts

    HK 3490/230 Service Manual Page 13 of 70...

  • Page 14: Electrical Parts List

    HK 3490/230 Service Manual HK3490/230 Electrical Parts List Ref# Component Description Value CHE154 CLAMPER , ARM CPG1A743N BOX , OFFSET CARTON HK3480/230 CPS5A564 PAD , SNOW L CPS5A565 PAD , SNOW R CQXHK3490/230 INSTRUCTION MANUAL ASSY HK3490/230 CARTHK3490/230 REMOCON TRANSMITTER ASS'Y...
  • Page 15 HK 3490/230 Service Manual Ref# Component Description Value CHG1A333 CUSHION , TRANS CHG1A354 CUSHION, SUPPORT CHG1A373 CUSHION , FOOT AVR350 CJA2B044ZA CORD , POWER 16A 250V CJT1A020 PIN , SHORT CKF4A384Z PANEL , REAR HK3490/230 CKL1A094 FOOT , A AVR350...
  • Page 16 HK 3490/230 Service Manual Front PCB Ass'y Ref# Component Description Value C915 HCQI1H823JZT CAP , MYLAR 0.082UF 50V J C916 HCQI1H823JZT CAP , MYLAR 0.082UF 50V J C917 HCQI1H183JZT CAP , MYLAR 0.018UF 50V J C918 HCQI1H183JZT CAP , MYLAR 0.018UF 50V J...
  • Page 17 HK 3490/230 Service Manual Front PCB Ass'y Ref# Component Description Value R837 CRD20TJ102T RES , CARBON 1K OHM 1/5W J R838 CRD20TJ221T RES , CARBON 220 OHM 1/5W J R839 CRD20TJ681T RES , CARBON 680 OHM 1/5W J R840...
  • Page 18 HK 3490/230 Service Manual Front PCB Ass'y Ref# Component Description Value SW814 HST1A020ZT SW , TACT SW815 HST1A020ZT SW , TACT SW816 HST1A020ZT SW , TACT SW817 HST1A020ZT SW , TACT SW818 HST1A020ZT SW , TACT SW819 HST1A020ZT SW , TACT...
  • Page 19 HK 3490/230 Service Manual Front PCB Ass'y Ref# Component Description Value CMH1A214 HOLDER , VOLUME AVR130/230/330 CMZ1A127 FILTER , FIP AVR255 CQB1A549Y LABEL , ATTENTION DVD48 CQB1A551Z LABEL , BAR CODE CQB1A622 LABEL , SERIAL NO CTB3+6FFZR SCREW CTB3+8JFZR...
  • Page 20 HK 3490/230 Service Manual Main PCB Ass'y Ref# Component Description Value D104 CVD1N4003ST DIODE , RECT 1N4003 D105 CVD1SS133MT DIODE 1SS133 D106 CVD1SS133MT DIODE 1SS133 D107 CVD1SS133MT DIODE 1SS133 D108 CVD1SS133MT DIODE 1SS133 D109 CVD1N4003ST DIODE , RECT 1N4003...
  • Page 21 HK 3490/230 Service Manual Main PCB Ass'y Ref# Component Description Value Q336 HVTKRC107MT KRC107M Q337 HVTKRA107MT KRA107M Q338 HVTKRA107MT KRA107M Q339 HVTKRC107MT KRC107M Q340 HVTKRA107MT KRA107M Q341 HVTKRC107MT KRC107M Q342 HVTKRA107MT KRA107M Q343 HVTKRC107MT KRC107M Q344 HVTKRA107MT KRA107M Q345...
  • Page 22 HK 3490/230 Service Manual Main PCB Ass'y Ref# Component Description Value R324 CRD20TJ561T RES , CARBON 560 OHM 1/5W J R325 CRD20TJ561T RES , CARBON 560 OHM 1/5W J R326 CRD20TJ561T RES , CARBON 560 OHM 1/5W J R327...
  • Page 23 HK 3490/230 Service Manual Main PCB Ass'y Ref# Component Description Value CMD1A417 BRACKET , PCB AG-D8900 CMY2A296 HEAT SINK HK3490 CTB3+8JR SCREW Q317 HVTKTC3114A T.R , BIAS KTC3114A Q318 HVTKTC3114A T.R , BIAS KTC3114A Q319 HVT2SD2401P T.R , POWER(DARINGTON)
  • Page 24 HK 3490/230 Service Manual Main PCB Ass'y Ref# Component Description Value RY31 HSL4A004ZU RELAY OSA-SS-212DM3 RY32 HSL4A004ZU RELAY OSA-SS-212DM3 RY33 HSL4A004ZU RELAY OSA-SS-212DM3 R105 CRQ1AJR47H RES , FUSE R108 CRG1ANJ100H RES , METAL OXIDE FILM 10 OHM 1W J...
  • Page 25 HK 3490/230 Service Manual Input PCB Ass'y Ref# Component Description Value C509 CCUS1H270JA CAP , CHIP 27PF 50V J C510 CCUS1H104KC CAP , CHIP 0.1UF 50V K C513 CCUS1H104KC CAP , CHIP 0.1UF 50V K C515 CCUS1H104KC CAP , CHIP 0.1UF 50V K...
  • Page 26 HK 3490/230 Service Manual Input PCB Ass'y Ref# Component Description Value IC36 HVINJM2068MDTE1 I.C , OP AMP NJM2068MD-TE1 IC37 HVINJM2068MDTE1 I.C , OP AMP NJM2068MD-TE1 IC38 HVINJM2068MDTE1 I.C , OP AMP NJM2068MD-TE1 IC51 CVIT5CD2 I.C , U-C0M IC52 HVIAT24C08N10SC AT24C08N10SC2.7...
  • Page 27 HK 3490/230 Service Manual Input PCB Ass'y Ref# Component Description Value R366 CRJ10DJ473T RES , CHIP 1608 SIZE R367 CRJ10DJ101T RES , CHIP 1608 SIZE R368 CRJ10DJ101T RES , CHIP 1608 SIZE R369 CRJ10DJ101T RES , CHIP 1608 SIZE...
  • Page 28 HK 3490/230 Service Manual Input PCB Ass'y Ref# Component Description Value R513 CRJ10DJ103T RES , CHIP 1608 SIZE R514 CRJ10DJ103T RES , CHIP 1608 SIZE R515 CRJ10DJ103T RES , CHIP 1608 SIZE R516 CRJ10DJ103T RES , CHIP 1608 SIZE...
  • Page 29 HK 3490/230 Service Manual Input PCB Ass'y Ref# Component Description Value C375 CCEA1HH4R7T CAP , ELECT 4.7UF 50V C376 CCEA1EH101T CAP , ELECT 100UF 25V C377 CCEA1EH101T CAP , ELECT 100UF 25V C378 CCEA1HH4R7T CAP , ELECT 4.7UF 50V...
  • Page 30 HK 3490/230 Service Manual Input PCB Ass'y Ref# Component Description Value X502 HOX04332A200C CRYSTAL DSP PCB Ass'y Ref# Component Description Value COP12062E HK3490/230 DSP PCB ASS'Y C501 CCUS1H181JA CAP , CHIP 180PF 50V J C502 CCUS1H104KC CAP , CHIP 0.1UF 50V K...
  • Page 31 HK 3490/230 Service Manual DSP PCB Ass'y Ref# Component Description Value IC63 HVINJM2068MDTE1 I.C , OP AMP NJM2068MD-TE1 JK61 HJJ9L003Z JACK , IPOD L500 CLZ9Z014Z FERRITE , CHIP BEAD(60ohm, 4516) HCB4516KF-600T60 L501 CLZ9Z014Z FERRITE , CHIP BEAD(60ohm, 4516) HCB4516KF-600T60...
  • Page 32 HK 3490/230 Service Manual DSP PCB Ass'y Ref# Component Description Value R566 CRJ10DJ101T RES , CHIP 1608 SIZE R567 CRJ10DJ101T RES , CHIP 1608 SIZE R568 CRJ10DJ104T RES , CHIP 1608 SIZE R569 CRJ10DJ104T RES , CHIP 1608 SIZE...
  • Page 33 HK 3490/230 Service Manual DSP PCB Ass'y Ref# Component Description Value C576 CCEA1HH100T CAP , ELECT 10UF 50V C603 CCEA1HH100T CAP , ELECT 10UF 50V C604 CCEA1HH100T CAP , ELECT 10UF 50V C610 CCEA1HH1R0T CAP , ELECT 1UF 50V...

  • Page 34: Semiconductor Pinouts

    HK 3490/230 Service Manual ASAHI KASEI [AK4589] Ordering Guide -10 ∼ +70°C AK4589VQ 80pin LQFP(0.5mm pitch) AKD4589 Evaluation Board for AK4589 Pin Layout TEST1 INT1 BOUT TVDD DVDD AVSS DVSS AVDD VREFH VCOM (Top View) TEST3 MCKO2 MCKO1 ROUT1+...
  • Page 35 HK 3490/230 Service Manual 8. Device Pinout Diagrams 8.1 CS48520, 48-pin LQFP Pinout Diagram VDDIO3 VDDIO2 GPIO8, SCP_CS# DAO_SCLK GPOI12, SCP_IRQ# GND3 GNDIO4 DAO_LRCLK DAO1_DATA0, HS0 GPIO13, SCP_BSY#, EE_CS# CS48520 VDD3 GNDIO2 48 LQFP XTAL_OUT GPIO15, DAI2_SCLK GPIO14, DAI2_LRCLK...
  • Page 36 HK 3490/230 Service Manual 8.2 CS48540, 48-pin LQFP Pinout Diagram VDDIO3 VDDIO2 GPIO8, SCP_CS# DAO_SCLK GPOI12, SCP_IRQ# GND3 GNDIO4 DAO_LRCLK DAO1_DATA0, HS0 GPIO13, SCP_BSY#, EE_CS# CS48540 VDD3 GNDIO2 48 LQFP XTAL_OUT GPIO15, DAI2_SCLK GPIO14, DAI2_LRCLK VDD1 GNDA GPIO17, PLL_REF_RES...
  • Page 37 HK 3490/230 Service Manual 8.3 CS48560,48-pin LQFP Pinout Diagram VDDIO3 VDDIO2 GPIO8, SCP_CS# DAO_SCLK GPOI12, SCP_IRQ# GND3 GNDIO4 DAO_LRCLK DAO1_DATA0, HS0 GPIO13, SCP_BSY#, EE_CS# CS48560 VDD3 GNDIO2 48 LQFP XTAL_OUT GPIO15, DAI2_SCLK GPIO14, DAI2_LRCLK VDD1 GNDA GPIO17, DAI2_DATA0, DSD4...
  • Page 38 HK 3490/230 Service Manual TORX177L(F,T) FIBER OPTIC RECEIVING MODULE TORX177L(F,T) FIBER OPTIC RECEIVING MODULE Unit: mm FOR DIGITAL AUDIO INTERFACE For JEITA Standard CP−1212 (Digital Audio Optical Interface for Consumer Equipment). A self−tapping hole for easy attachment to Audio Equipments panels.
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  • Page 43 HK 3490/230 Service Manual NJL31H/31V/32H/33H/34H000A Transmission Distance vs. Carrier Frequency Transmission Distance vs. Temperature (Vcc=3.3V, Ta=25°C) (Vcc=3.3V) 24 26 28 30 32 34 36 38 40 42 44 46 48 50 Ambient temperature Ta(°C) Carrier Frequency (kHz) fo=36kHz fo=38KHz...
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  • Page 46 HK 3490/230 Service Manual Features • Low-voltage and Standard-voltage Operation – 2.7 (V = 2.7V to 5.5V) – 1.8 (V = 1.8V to 5.5V) • Internally Organized 128 x 8 (1K), 256 x 8 (2K), 512 x 8 (4K), 1024 x 8 (8K) or 2048 x 8 (16K) •...
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  • Page 48 HK 3490/230 Service Manual ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR WITH DELAY CIRCUIT (INTERNAL DELAY TIME SETTING) Rev.3.3 S-801 Series Pin Configurations Table 3 SOT-23-5 Top view Pin No. Pin name Pin description ON/OFF switch for delay time GND pin...
  • Page 49 HK 3490/230 Service Manual Philips Semiconductors Product specification Radio Data System (RDS) demodulator SAA6579 PINNING SYMBOL DESCRIPTION QUAL quality indication output RDDA RDS data output reference voltage output (0.5V multiplex signal input +5 V supply voltage for analog part...
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  • Page 54 HK 3490/230 Service Manual (70 Ω) 2SB1570 Darlington Equivalent circuit Silicon PNP Epitaxial Planar Transistor (Complement to type 2SD2401) Application : Audio, Series Regulator and General Purpose External Dimensions MT-200 Absolute maximum ratings (Ta=25°C) (Ta=25°C) Electrical Characteristics 2SB1570 Symbol...
  • Page 55 HK 3490/230 Service Manual Equivalent circuit 2SD2401 Darlington (7 0Ω) Silicon NPN Triple Diffused Planar Transistor (Complement to type 2SB1570) Application : Audio, Series Regulator and General Purpose External Dimensions MT-200 Absolute maximum ratings (Ta=25°C) Electrical Characteristics (Ta=25°C) 2SD2401...
  • Page 56 HK 3490/230 Service Manual ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR Rev.3.2 S-808xxC Series Pin Configurations Table 7 SC-82AB Top view Pin No. Pin name Pin description Voltage detection output pin Voltage input pin No connection GND pin *1. The NC pin is electrically open.
  • Page 57 HK 3490/230 Service Manual ULTRA-SMALL PACKAGE HIGH-PRECISION VOLTAGE DETECTOR Rev.3.2 S-808xxC Series Table 11 TO-92 Bottom view Pin No. Pin name Pin description Voltage detection output pin Voltage input pin GND pin Figure 8 Absolute Maximum Ratings 1. Detection Voltage Typ. 1.4 V or Less Products Table 12 (Ta = 25 °...

  • Page 58: Pcb Drawings

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  • Page 64: Block Diagram

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  • Page 65: Wiring Diagram

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  • Page 66: Amp Bias Adjustment

    HK 3490/230 Service Manual HK3490/3390 idle current Adjustment 1. Adjust VR31 to set 21.12mV(±5%) on DC EVM. 2. Adjust VR32 as same way above. Page 66 of 70...
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  • Page 69: Schematic Diagrams

    HK 3490/230 Service Manual +VCC2 R351 PROTECT_L +VCC 47(1/4W) HP_IN R378 Q341 R347 C107M 270(2W) KTA1268 3.3(1/4W) Q339 Q307 R377 Q313 Q319 C107M C351 R305 2SD2401 KTA1268 KTA1360Y 270(2W) KSC2785Y Q340 100P Q309 Q323 A107M R359 R371 TONE_R_OUT 47(1/4W)
  • Page 70 HK 3490/230 Service Manual DSP PART CODEC_RST CODEC_CDTO _DSP_SCP_BSY _DSP_IRQ R553 _DSP_CE CODEC_CE R552 DSP_SCP_CLK SCP_DO R551 SCP_DI PC/DMP_RX PC/DMP_RX +5VD +1.8VD +3.3VD +5VD PC/DMP_TX PC/DMP_TX +5VD DMP_DET DMP-DET +3.3VD +3.3VD R504 +15VA +15VA +15VA 100K +5VD +15VA AGND AGND +3.3VD...

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