Harman Kardon HK3480 Service Manual
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Harman Kardon HK3480 Service Manual

Harman kardon hk3480: reference guide
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See also: Owner's Manual , Quick Manual
harman/kardon
ESD WARNING.........................................2
LEAKAGE TESTING....................................3
SPECIFICATIONS .....................................4
FRONT PANEL CONTROLS .................. ....5
REAR PANEL CONNECTIONS ....................8
REMOTE CONTROL FUNCTIONS ..............10
TROUBLESHOOTING GUIDE.....................12
PROCESSOR RESET...............................12
AMPLIFIER BIAS ADJUSTMENT.................13
BULLETIN HK2003-10......................... .....14
BULLETIN HK2004-02......................... .....16
HK3480
STEREO RECEIVER

SERVICE MANUAL

CONTENTS
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
DISASSEMBLY PROCEDURES..................17
EXPLODED VIEW ....................................20
BLOCK DIAGRAM.....................................21
FRONT PANEL DISPLAY............................22
IC DESCRIPTIONS/PINOUTS.....................26
ELECTRICAL PARTS LIST .........................40
PCB DRAWINGS......................................46
SCHEMATICS..........................................48
WIRING DIAGRAM....................................54
PACKAGE...............................................55
Rev2 2/2006

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Summary of Contents for Harman Kardon HK3480

  • Page 1: Table Of Contents

    HK3480 STEREO RECEIVER SERVICE MANUAL CONTENTS ESD WARNING…………………………..…….2 DISASSEMBLY PROCEDURES………………17 LEAKAGE TESTING………………..….…..…..3 EXPLODED VIEW …………………….………..20 SPECIFICATIONS ……………………………..4 BLOCK DIAGRAM…………..……….……….…21 FRONT PANEL CONTROLS ……………… ….5 FRONT PANEL DISPLAY..……….……….……22 REAR PANEL CONNECTIONS …………..…8 IC DESCRIPTIONS/PINOUTS…………………26 REMOTE CONTROL FUNCTIONS ………..…10 ELECTRICAL PARTS LIST …………..………..40 TROUBLESHOOTING GUIDE…...……………12...

  • Page 2: Esd Warning

    HK3480 harman/kardon 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.

  • Page 3: Leakage Testing

    HK3480 harman/kardon Before returning the unit to the user, perform the following safety checks : 1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the unit.

  • Page 4: Specifications

    1Vp-p All features and specifications are subject to change without notice. Output Impedance 75 ohms, unbalanced Harman Kardon and Power for the Digital Revolution are Video Frequency Response 10Hz – 10MHz registered trademarks of Harman International Industries, Incorporated. General Power Requirement...

  • Page 5: Front Panel Controls

    HK3480 harman/kardon FRONT-PANEL CONTROLS FRONT-PANEL CONTROLS HK 3480 SPEAKER 1 AUTO TUNED STEREO PRESET PHONO VID 1 VID 2 SPEAKER 2 VID 3 VMAx TAPE M. & NOTE: To make it easier to follow the instructions that refer to this illustration, a larger copy may be downloaded from the Product Support section for this product at www.harmankardon.com.
  • Page 6 HK3480 harman/kardon FRONT-PANEL CONTROLS ! Video 1 Input Selector: Press this button to listen ^ VMAx Selector: Press this button to engage Ó Bass Control: Turn this control to modify the low- to and/or view the output of a device connected to the VMAx processing of a stereo input.

  • Page 7: Front-Panel Information Display

    HK3480 harman/kardon FRONT-PANEL INFORMATION DISPLAY SPEAKER 1 MUTE AUTO TUNED STEREO PHONO VID 1 MEMORY PRESET SLEEP VID 2 SPEAKER 2 VID 3 VMAx TAPE M. NOTE: To make it easier to follow the instructions that refer to this illustration, a larger copy may be downloaded from the Product Support section for this product NOTE: To make it easier to follow the instructions that refer to this illustration, a larger copy may be downloaded from the Product Support section for this product at www.harmankardon.com.

  • Page 8: Rear Panel Connections

    HK3480 harman/kardon REAR-PANEL CONNECTIONS · ° ‡ fl 3480 U.S. Patent Nos. 4,893,342, 4,910,779, 4,975,954, 5,034,983, 5,136,651, and 5,333,200 Cooper Bauck Transaural Stereo. ™ ¢ § • ‚ ¤ › fi ¡ £ ¶ ª ‹ ∞ ⁄ NOTE: To make it easier to follow the instructions that refer to this illustration, a larger copy may be downloaded from the Product Support section for this product at www.harmankardon.com.
  • Page 9 Connect this jack to the “IR In” jack on Harman Kardon (or other compatible) equipment. ° Remote IR In: If the HK 3480’s front-panel IR sensor is blocked due to cabinet doors or other obstructions, an external IR sensor may be used.

  • Page 10: Remote Control Functions

    HK3480 harman/kardon REMOTE CONTROL FUNCTIONS å Main Power On ∫ Main Power Off ¥ ç Source Selectors ∂ Preset Up/Down ≠ Transport Controls ƒ Disc Skip © Sleep Button ˙ Dimmer Button å ≈ î Tuning ∫ ∑ ∆ Direct Button ˚...
  • Page 11 HK 3480, but may be used as the Enter key for a also control the track Skip Up/Down on compatible numbers in the Main Information Display B. compatible Harman Kardon DVD Player or as the Harman Kardon compact disc players/changers. Release the button and note that the tuner will briefly Random Play button for a compatible CD Player.

  • Page 12: Troubleshooting Guide

    If the system is still operating incorrectly, there may have been an electronic discharge or severe AC line interference that has corrupted the memory or microprocessor. If these steps do not solve the problem, consult an authorized Harman Kardon service center. TROUBLESHOOTING GUIDE...

  • Page 13: Amplifier Bias Adjustment

    HK3480 harman/kardon...

  • Page 14: Bulletin Hk2003-10

    Models: AVR130, AVR230, AVR330, HK3380, HK3480 Subject: Volume Level Changes On early versions of the AVR130,AVR230,AVR330,HK3380,HK3480, when the volume control is turned, the volume level and display may be erratic, and not track accurately, or the level may progress in an unintended direction.

  • Page 15: Ready For Volume/Tone Pcb Removal

    HK3480 harman/kardon Serial Number Model STATUS ACTION 120V AN0006-01000 Change VR74 Volume control may not track accurately when AVR130 turned; erratic operation Rotary encoder AN0006-13800 AN0006-13801 AVR130 Modified By Factory NONE REQUIRED and above AN0007-01000 Change VR74 Volume control may not track accurately when AVR230 turned;...

  • Page 16: Bulletin Hk2004-02

    Subject: Silence During Preset Scan - Upgrade In the event you receive an HK3380 or HK3480 stereo receiver with the complaint: “When the Preset Scan Function * is activated and the receiver cyles through the list of station presets, there is silence”, the unit is in need of a software upgrade.
  • Page 17 HK3480 harman/kardon HK3380/HK3480...

  • Page 18: Disassembly Procedures

    HK3480 harman/kardon 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(BN71-12P,BN72-5P) on the Tone PCB(38) from connector(CN71,CN72) on the Main PCB(44).
  • Page 19 HK3480 harman/kardon <8>VIDEO PCB(43) REMOVAL 1. Remove the Top-cabinet, referring to the previous step<1>. 2. Disconnect the connector (CN91) on the Main PCB ASS’Y(44) from lead wire(BN91-9P) on the Video PCB(43). 3. Remove 4 screws(S8,S13) and then remove the Video PCB(43).

  • Page 20: Exploded View

    HK3480 harman/kardon HK3480 EXPLODED VIEW...

  • Page 21: Block Diagram

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  • Page 22: Front Panel Display

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  • Page 26: Ic Descriptions/Pinouts

    HK3480 harman/kardon HVIST72F321R (U-COM) IC81 Figure 1. Device Block Diagram 8-BIT CORE PROGRAM MEMORY (16K - 60K Bytes) RESET CONTROL (512 - 2048 Bytes) WATCHDOG OSC1 OSC2 PA7:0 MCC/RTC/BEEP (8-bits) PORT A PORT F PORT B PF7:0 PB7:0 (8-bits) (8-bits)

  • Page 27: Pin Description

    HK3480 harman/kardon 2 PIN DESCRIPTION Figure 2. 64-Pin TQFP 14x14 and 10x10 Package Pinout 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 (HS) PE4 SS_1 (HS) PE5 DD_1 PA3 (HS) (HS) PE6...
  • Page 28 HK3480 harman/kardon PIN DESCRIPTION (Cont’d) For external pin connection guidelines, refer to See “ELECTRICAL CHARACTERISTICS” on page 135. Legend / Abbreviations for Table Type: I = input, O = output, S = supply Input level: A = Dedicated analog input In/Output level: C = CMOS 0.3V...
  • Page 29 HK3480 harman/kardon Level Port Main function Input Output Pin Name Alternate function n° (after reset) 24 V Digital Ground Voltage SS_3 Main clock out ADC Analog 25 PF0/MCO/AIN8 I/O C Port F0 Input 8 26 PF1 (HS)/BEEP I/O C Port F1...
  • Page 30 HK3480 harman/kardon Level Port Main function Input Output Pin Name Alternate function n° (after reset) Must be tied low. In flash programming mode, this pin acts as the programming volt- 53 V / ICCSEL age input V . See Section 12.9.2 for more details.
  • Page 31 HK3480 harman/kardon...
  • Page 32 HK3480 harman/kardon...
  • Page 33 HK3480 harman/kardon BLOCK DIAGAM (NJM2296M ) : IC91 Vin1 Vin2 Vout1 6.2dB dirver Vin3 6.2dB Vout2 dirver Vin4 6.2dB Vout3 dirver Vin5...
  • Page 34 HK3480 harman/kardon...
  • Page 35 HK3480 harman/kardon...
  • Page 36 HK3480 harman/kardon TC9164AF (FUNCTION/INPUT) : IC12 BLOCK DIAGRAM L-COM R-COM L-COM R-COM L-COM R-COM DATA SHIFT REGISTER TC9163AF (FUNCTION/INPUT) : IC13 BLOCK DIAGRAM L-COM R-COM L-COM R-COM L-COM R-COM DATA SHIFT REGISTER...
  • Page 37 HK3480 harman/kardon...
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  • Page 40: Electrical Parts List

    HK3480 harman/kardon HK3480 ELECTRICAL PARTS LIST Part Number Description Ref. Designator PCB, FRONT Capacitors C835 CCEA0JH102T CAP , ELECT 1000UF 6.3V C803,812 CCEA1AH471T CAP , ELECT 470UF 10V C810 CCEA1AKS101T CAP. ELECT 100UF 10V C909,910,921,922 CCEA1CH101T CAP , ELECT 100UF 16V...
  • Page 41 HK3480 harman/kardon Part Number Description Ref. Designator R715,716,919 CRD20TJ392T RES , CARBON 3.9K OHM 1/5W J R916 CRD20TJ470T RES , CARBON 47 OHM 1/5W J R721,722,745 CRD20TJ471T RES , CARBON 470 OHM 1/5W J R831,832,844,846 CRD20TJ472T RES , CARBON 4.7K OHM 1/5W J...
  • Page 42 HK3480 harman/kardon Part Number Description Ref. Designator CN89 KJP07GA19ZM WAFER MOLEX53014-0710 CN90 KJP07HA37ZM WAFER CN81 CJP20GB163ZW WAFER JK93 CJJ2D008Z JACK , STEREO JK94 CJJ2D008Z JACK , STEREO JK71 CJJ2E026Z JACK , HEADPHONE(SILVER) JK91 CJJ4N043Z JACK , BOARD JK92 CJJ4S010Z JACK , BOARD...
  • Page 43 HK3480 harman/kardon Part Number Description Ref. Designator Resistors R307,308 CRD20TJ100T RES , CARBON 10 OHM 1/5W J R107,108,121,123,124,171,172,181, CRD20TJ101T RES , CARBON 100 OHM 1/5W J 182,195,196,201-204,219,220 R101,102,359,360,363,363,386,401, CRD20TJ102T RES , CARBON 1K OHM 1/5W J 402,407,408,420,445,446 R240,365,366,415-419,424 CRD20TJ103T RES , CARBON...
  • Page 44 HK3480 harman/kardon Part Number Description Ref. Designator R605,606,616 KRQ1AJR47H RES , FUSE 0.47 OHM 1W J VR31,32 HVN1RA221B01T RES , SEMI FIXED(220 OHM) RH0615C100221 Semiconductors D601 HVDGBJ806MF DIODE , BRIDGE D101~110,112~115,301-309,606, HVD1SS133MT DIODE 1SS133T-77 612-614 D602~605,607,615-618 KVD1N4003ST DIODE 1N4003 D608,609...
  • Page 45 T 8A L 250V F602 KBA2D2500TLET FUSE T 2.5A L 250V OL61 KJJ7A015Z OUTLET , AC(UL/2P/SEP) A204D0041P TH31 KRTP42T7D330B THERM SENSOR, POSISTOR P42T7D330BW20 T601 CLT5V036ZU TRANS , POWER TUNER HK3480 Tuner is only available as a complete PCB Module - part# CNVKSTM9014MS07...

  • Page 46: Pcb Drawings

    HK3480 harman/kardon...
  • Page 47 HK3480 harman/kardon...

  • Page 48: Schematics

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  • Page 54: Wiring Diagram

    HK3480 harman/kardon...

  • Page 55: Package

    HK3480 harman/kardon HK3480 HG5H02...

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