Harman Kardon AVR225 Service Manual
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Harman Kardon AVR225 Service Manual

Harman Kardon AVR225 Service Manual

A/v dolby digital receiver
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See also: Reference Manual , Owner's Manual
harman/kardon
A/V DOLBY DIGITAL RECEIVER

SERVICE MANUAL

ESD WARNING......................................2
LEAKAGE TESTING.................................3
BASIC SPECIFICATIONS.........................4
FRONT PANEL CONTROLS.....................5
FRONT PANEL DISPLAY.........................7
REAR PANEL CONNECTIONS..................9
TROUBLESHOOTING GUIDE..................16
MICROPROCESSOR RESET...................16
UNIT EXPLODED VIEW..........................17
DISASSEMBLY PROCEDURE.................18
AVR225
CONTENTS
TECH TIP HKTT2004-03......................22
TECH TIP HKTT2003-01......................26
BLOCK DIAGRAM...............................27
IC PINOUTS.......................................28
TRANSISTOR PINOUTS.......................64
ELECTRICAL PARTS LIST....................65
PCB DRAWINGS................................75
SCHEMATICS....................................83
WIRING DIAGRAM..............................95
PACKAGING......................................96
harman/kardon, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
2/2009
Rev7

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Summary of Contents for Harman Kardon AVR225

  • Page 1: Table Of Contents

    AVR225 A/V DOLBY DIGITAL RECEIVER SERVICE MANUAL CONTENTS ESD WARNING………………………….…….2 AMPLIFIER BIAS ADJUSTMENT……...…21 LEAKAGE TESTING………………..……..3 TECH TIP HKTT2004-03………………….22 BASIC SPECIFICATIONS…………….….…..4 TECH TIP HKTT2003-01………………….26 FRONT PANEL CONTROLS………………...5 BLOCK DIAGRAM………………………….27 FRONT PANEL DISPLAY…………………….7 IC PINOUTS……………………………..….28 REAR PANEL CONNECTIONS……..….……9 TRANSISTOR PINOUTS………..…..…….64 REMOTE CONTROL FUNCTIONS……..…..11 ELECTRICAL PARTS LIST………..…..….65...

  • Page 2: Esd Warning

    AVR225 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

    AVR225 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 4: Basic Specifications

    All features and specifications are subject to change without notice. * See the following trademark acknowledgements: Harman Kardon and Power for the Digital Revolution are registered trademarks of Harman Kardon, Inc. is a trademark of Harman International Industries, Inc. (patent no. 5,386,478).

  • Page 5: Front Panel Controls

    AVR225 FRONT-PANEL CONTROLS ı Û Ò Ô ˆ Ù Ú  AVR 225 Ó AM/FM Tun Mode & 1 Main Power Switch ! Input Source Selector Ô Set Button 2 System Power Control @ Tuning Mode Selector  Input Indicators...
  • Page 6 AVR225 FRONT-PANEL CONTROLS between the Optical #e and Coaxial $b of input, some modes are not always available. (See plastic cap installed to avoid dust contamination that page 25 for more information about surround modes.) might degrade future performance.

  • Page 7: Front Panel Display

    AVR225 FRONT-PANEL INFORMATION DISPLAY Q PO OPT 123 COAX 123 ANALOG AUTO TUNED ST PRESET SLEEP NIGHT PL II OSD DSP VMAx NF LOGIC 7 CM E F G H A Bitstream Indicators I Logic 7 Mode Indicators Q Tuned Indicator...
  • Page 8 AVR225 FRONT-PANEL INFORMATION DISPLAY N Sleep Indicator: This indicator lights when the Sleep function is in use. The numbers in the Preset Number/Sleep Timer J will show the minutes remaining before the AVR 225 goes into the Standby mode. (See page 24 for more information on the Sleep function.)

  • Page 9: Rear Panel Connections

    Connect this jack to the “IR IN” jack to the positive (+) terminal on the right front speaker on Harman Kardon (or other compatible) equipment. and the green terminal to the positive (+) terminal on ¢ Tape Outputs: Connect these jacks to the the center front speaker.
  • Page 10 AVR225 REAR-PANEL CONNECTIONS b Coaxial Digital Audio Inputs: Connect the coax CEA specifications, while existing speakers typically Video 1 Audio Inputs: Connect these jacks to use a red terminal for the positive (+) speaker wire digital audio output from a DVD player, HDTV receiver, the PLAY/OUT audio jacks on a VCR or other video connection.

  • Page 11: Remote Control Functions

    AVR225 REMOTE CONTROL FUNCTIONS a Power Off Button b IR Transmitter Window c Program/SPL Indicator d Power On Button e Input Selectors f AVR Selector g AM/FM Tuner Select h Test Button i Sleep Button j Surround Mode Selector...
  • Page 12 Harman Kardon CD or DVD players and cassette between the AM and FM bands. levels. When changing an item such as the surround decks.
  • Page 13 AVR225 REMOTE CONTROL FUNCTIONS weak will change to monaural reception. (See page Clear Button: Press this button to clear incorrect SPL Button: This button activates the AVR 225’s 28 for more information.) entries when using the remote to directly enter a radio EzSet function to quickly and accurately calibrate the station’s frequency.

  • Page 14: Installation And Connections

    AVR225 INSTALLATION AND CONNECTIONS System Installation cable TV system. Note that if the antenna or connec- Front Left = White Front Right = Red After unpacking the unit, and placing it on a solid surface tion uses 300-ohm twin-lead cable, you must use the...
  • Page 15 AVR225 INSTALLATION AND CONNECTIONS 2. Connect the analog audio and video outputs of a Power Connections television set or any other video source to the Video 2 Input Jacks f This unit is equipped with two accessory AC outlets.

  • Page 16: Troubleshooting Guide

    • Amplifier is in protection mode • Contact your local Harman Kardon service center, which you can due to internal problems locate by visiting our Web site at www.harmankardon.com No sound from surround or •...

  • Page 17: Unit Exploded View

    AVR225 F.I.P (DISPLAY) # HFLCM2054C KMZ176...

  • Page 18: Disassembly Procedure

    AVR225 AVR125/225 DISASSEMBLY PROCEDURE <1> TOP-CABINET(21) REMOVAL 1. Remove 13 screws(S1,S7) 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 connect (BN72-Card canle)) on the FP PCB(37-1) from connector(CN72) on the Input PCB(39-1) 3.
  • Page 19 AVR225 <7>TUNER MODULE(40) REMOVAL 1. Remove the Top-cabinet, referring to the previous step<1>. 2. Disconnect the connector(CON1-Card cable) from connector(CN13) on the Input PCB ASS’Y(39-1). 3. Remove 2 screws(S8) and then remove the Tuner Module(40). <8>VIDEO PCB(39-2) REMOVAL 1. Remove the Top-cabinet, referring to the previous step<1>.
  • Page 20 AVR225 DISASSEMBLY 1) REMOVAL OF TOP COVER 2) REMOVAL OF FRONT PANEL 3) PRINCIPAL PARTS LOACTION TUNER MODULE INPUT PCB TRANS FORMER MAIN PCB FRONT PCB...

  • Page 21: Amplifier Bias Adjustment

    AVR225 AMPLIFIER SECTION BIAS ADJUSTMENT Measurement condition . No input signal or volume position is minimum. Standard value. ± . Ideal current = 48mA ( ± . Ideal DC Voltage = 21.12mV ( CUP11517X (MAIN PCB) CN63 CN61 CN62...

  • Page 22: Tech Tip Hktt2004-03

    AVR210 AVR310 audio problems in an AVR receiver. Use the following AVR220 AVR320 procedures to help find what is working, then to quickly locate the problem area. AVR520 AVR225 AVR125 AVR525 Equipment needed: AVR130 AVR230 1 set of (RCA) Y adaptors.
  • Page 23 Isolating audio problems in an AVR receiver Using 6/8 Direct In At this point you will be able to check and assure all output levels are the same. 10) IF THE OUTPUT LEVELS ARE NOT THE SAME STOP! Go no further. At this point you will need to use the charts to see where you are losing your signal.
  • Page 24 1 19 17 9 24 22 22 23 5 21 19 19 20 8 10 4 21 23 1 25 26 AVR225/125 L ch 27 25 19 20 9 10 R ch 24 22 22 23 7 15 14 4 10...
  • Page 25 Isolating audio problems in an AVR receiver Using 6/8 Direct In AVR 525 21 22 21 23 7 28 7 29 27 25 26 11 11 26 24 22 23 13 13 8 10 1 13 15 15 23 21 19 20 7 15 AVR130...

  • Page 26: Tech Tip Hktt2003-01

    TECH TIPS harman/kardon Troubleshooting tips and solutions to common service problems For models: TIP# HKTT2003-01 Rev5 AVR7000/7200/7300/8000 AVR10 AVR100/200/300/500 DPR1001 AVR110/210/310/510 DPR1005 AVR120/220/320/520 DPR2005 AVR125/225/325/525 HK3370/3470/3375/3475 HK3250 AVR130/230/330/430/630 AVR135/235/335/435/635 Subject: Backup Memory on AVR/DPR/HK series receivers In the event of the complaint: “the receiver is losing its memory (any programmed system settings) when the unit is turned off, or after the unit is unplugged (briefly*)”: Check and replace: Model...

  • Page 27: Block Diagram

    AVR225...

  • Page 28: Ic Pinouts

    AVR225 CMOS IC LC74763, 74763M On-Screen Display LSI Preliminary Overview Package Dimensions The LC74763 and LC74763M are on-screen display unit: mm CMOS LSIs that superimpose text and low-level 3196-DIP30SD graphics onto a TV screen (video signal) under the [LC74763] control of a microcontroller.
  • Page 29 AVR225 LC74763, 74763M Pin Functions Pin No. Symbol Function Description Ground Ground connection Xtal Connection for the crystal and capacitor used to form the crystal oscillator that generates Crystal oscillator connection the internal synchronization signal. The oscillator can be selected with a command switch.
  • Page 30 AVR225 LC74763, 74763M Pin Assignment Top view No. 5039-4/19...
  • Page 31 AVR225 LC74763, 74763M System Block Diagram...
  • Page 32 AVR225 TC9162AF (FUNCTION/INPUT : IC30) TC9162AF (FUNCTION/INPUT : IC30) BLOCK DIAGRAM BLOCK DIAGRAM L-COM L-COM R-COM R-COM L-COM L-COM R-COM R-COM L-COM L-COM R-COM R-COM L-COM L-COM R-COM R-COM DATA DATA SHIFT REGISTER SHIFT REGISTER TC9215AF (TONE CONTROL : IC80)
  • Page 33 AVR225 TC9164AF (FUNCTION/INPUT) : IC22 BLOCK DIAGRAM L-COM R-COM L-COM R-COM L-COM R-COM DATA SHIFT REGISTER TC9163AF (FUNCTION/INPUT) : IC20 BLOCK DIAGRAM L-COM R-COM L-COM R-COM L-COM R-COM DATA SHIFT REGISTER...
  • Page 34 AVR225 TC9482F (ELECTRONIC VOLUME/INPUT) : IC31 TEST L-OUTA L-OUTA L-INA L-INA latch L-A-GNDA L-A-GNDA latch L-OUTB L-OUTB 3 to 7 L-INB L-INB decoder Same as L-ch latch Circuit L-A-GNDB 4 to 13 L-A-GNDB latch decoder L-OUTC L-OUTC L-INC 10...
  • Page 35 AVR225...
  • Page 36 AVR225...
  • Page 37 AVR225...
  • Page 38 AVR225 AUDIO DSP (CS493263 - CLG : IC79) PIN No. Pin Name Function 1,12,23 +VD1 Digital Power supply. Normally +2.5v 2,13,24 DGND Digital Ground AUD3 SPDIF transmitter output/Digital audio output(N.C) Host write strobe pin(connected to GND with an external resistor)
  • Page 39 AVR225 PIN ASSIGNMENT.(CS493263) DGND1 MCLK AUDATA3, XMT958 SCLK WR,DS,EMWR,GPIO10 LRCLK RD,R/W,EMOE,GPIO11 AUDATA0 A1,SCDIN AUDATA1 A0,SCCLK AUDATA2 6 5 4 3 2 1 44 43 42 41 40 DATA7,EMAD7,GPIO7 DATA6,EMAD6,GPIO6 DATA5,EMAD5,GPIO5 RESET DATA4,EMAD4,GPIO4 AGND CS493XXX-CLG 44-pin PLCC Top View DGND2...
  • Page 40 AVR225 PIN ASSIGNMENT (TOP VIEW) Top view...
  • Page 41 AVR225 BLOCK DIAGRAM VFD DRIVER IC PIN FUNCTION (LC75725E) : IC74 Pin No. Function Handling when unused 1, 13 Driver block power supply connection. (Both pins must be connected.) — — Logic block power supply connection. Provide a voltage between 4.5 and 5.5 V.
  • Page 42 AVR225 BLOCK DIAGRAM Clock control X0, X1 RSTX circuit X0, X1A core MC-16LX family Interrupt controller PPG0, 1 PPG2, 3 8-/16-bit PPG PPG4, 5 AIN0, 1 BIN0, 1 8-/16-bits UD counter Communication prescaler ZIN0, 1 EXTC SIN0 MT00 UART...
  • Page 43 AVR225 M-COM IC PIN ASSIGNMENT & BLOCK DIAGRAM PIN ASSIGNMENT (TOP VIEW) P 20/A16 P 21/A17 P22/A18 P57/CLK P23/A19 RSTX P24/A20/PPG0 P56/RDY P 25/A21/PPG1 P55/HAKX P26/A22/PPG2 P54/HRQ P27 /A23/PPG3 P53/WRHX P30 /A00/AIN0 P52/WRLX P 31/A01/BIN0 P51/RDX P50/ALE P32/A02/ZIN0 PA3/OUT3...
  • Page 44 AVR225 IC PIN FUNCTION (M-COM : MB90F476APFG) : IC72 LQFP Pin Name Circuit Type Function Oscillator pin Oscillator pin 32 kMHz Oscillator pin 32 kMHz Oscillator pin RSTX Reset input pin General-purpose I/O ports P00 to P07 A pull-up resistor can be attached using the pull-up resistor setting register (RDR0) (RD07 to RD00 = 1).
  • Page 45 AVR225 LQFP Pin Name Circuit Type Function General-purpose I/O ports In the external bus mode, the pin functions as an external address pin. (CMOS/H) AIN0 The pin is an 8-/16-bit up-and-down timer input pin (ch0). General-purpose I/O port In the external bus mode, the pin functions as an external address pin.
  • Page 46 AVR225 LQFP Pin Name Circuit Type Function General-purpose I/O port In the external bus mode, the pin functions as ALE pin. (CMOS) In the external bus mode, the pin functions as an address capture enable signal (ALE) pin. General-purpose I/O port In the external bus mode, the pin functions as the RDX pin.
  • Page 47 AVR225 LQFP Pin Name Circuit Type Function General-purpose I/O port SOT0 (CMOS) The pin functions as an UART data output pin. General-purpose I/O port SCK0 (CMOS/H) The pin functions as an UART clock I/O pin. General-purpose I/O port TIN0 (CMOS/H) The pin functions as the event input pin of the 16-bit reload timer.
  • Page 48 AVR225...
  • Page 49 AVR225 BLOCK DIAGAM (NJM2296M ) : IC41, 43, 44 Vin1 Vin2 Vout1 6.2dB dirver Vin3 6.2dB Vout2 dirver Vin4 6.2dB Vout3 dirver Vin5...

  • Page 51: General Description

    November 1988 Revised November 1999 74AC04 • 74ACT04 Hex Inverter General Description Features The AC/ACT04 contains six inverters. reduced by 50% on 74AC only Outputs source/sink 24 mA ACT04 has TTL-compatible inputs Ordering Code: Order Number Package Number Package Description 74AC04SC M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150”...
  • Page 52 AVR225 PIN ASSIGNMENT (74HCU04AFN : IC71,72 ) LOGIC SYMBOL (10) (11) (13) (12) TRUTH TABLE...
  • Page 53 AVR225 BLOCK DIAGRAM AVSS AVDD X'tal Clock Oscillator 8 to 3 Recovery Clock MCKO1 Generator MCKO2 Input Selector LRCK DAIF Audio BICK Decoder SDTO DAUX DVDD Error & CCLK Q-subcode DVSS AC-3/MPEG µP I/F STATUS buffer CDTO TVDD Detect...
  • Page 54 AVR225 DIR IC PIN ASSIGNMENT & BLOCK DIAGRAM PIN ASSIGNMENT (TOP VIEW) INT0 IPS0/RX4 AVSS OCKS0/CSN/CAD0 DIF0/RX5 OCKS1/CCLK/SCL TEST2 CM1/CDTI/SDA AK4114VQ DIF1/RX6 CM0/CDTO/CAD1 AVSS DIF2/RX7 Top View IPS1/IIC DAUX P/SN MCKO2 XTL0 BICK XTL1 SDTO...
  • Page 55 AVR225 DIR IC PIN FUNCTION (AK4114VQ) : IC75 PIN/FUNCTION Pin Name Function IPS0 Input Channel Select 0 Pin in Parallel Mode Receiver Channel 4 Pin in Serial Mode (Internal biased pin) No Connect NC(AVSS) No internal bonding. This pin should be connected to AVSS.
  • Page 56 AVR225 PIN/FUNCTION (Continued) Pin Name Function Power-Down Mode Pin When “L”, the AK4114 is powered-down and reset. Master Clock Operation Mode 0 Pin in Parallel Mode CDTO Control Data Output Pin in Serial Mode, IIC= “L”. CAD1 Chip Address 1 Pin in Serial Mode, IIC= “H”.
  • Page 57 AVR225 n Block Diagram DZFL1 AK4356 Audio LOUT1+ DATT LOUT1- MCLK MCKO DZFR1 LRCK Controller LRCK ROUT1+ DATT BICK ROUT1- BICK DZFL2 LOUT2+ DATT Control LOUT2- CCLK Register DZFR2 CDTI ROUT2+ DATT ROUT2- DZFL3 LRCK LOUT3+ DATT LOUT3- BICK...
  • Page 58 AVR225 D/A CONVERTER IC PIN ASSIGNMENT & BLOCK DIAGRAM PIN ASSIGNMENT (TOP VIEW) LOUT1- AVDD LOUT1+ VREFH DZFL2 DZFR2 DZFR1 DZFL3 AK4356VQ DZFL1 DZFR3 CAD0 DZFE CAD1 DIF2 Top View DIF1 BICK DIF0 MCLK CKS2 DVDD CKS1...
  • Page 59 AVR225 D/A CONVERTER IC PIN FUNCTION (AK4356VQ) : IC78 PIN/FUNCTION Pin Name Function LOUT1- DAC1 Lch Negative Analog Output Pin LOUT1+ DAC1 Lch Positive Analog Output Pin DZFL2 DAC2 Lch Zero Input Detect Pin DZFR1 DAC1 Rch Zero Input Detect Pin...
  • Page 60 AVR225 Pin Name Function DFS0 Double Speed Sampling Mode 0 Pin (Note) “L”: Normal Speed, “H”: Double Speed at DFS1 bit = “0”. CKS0 Input Clock Select 0 Pin (Note) CKS1 Input Clock Select 1 Pin (Note) CKS2 Input Clock Select 2 Pin...
  • Page 61 AVR225 AINR AINL VCOM View AGND SCLK MCLK LRCK SDTO DGND harman/kardon AVR225 AGND DGND MCLK Clock Divider Decimation AINL Modulator Filter LRCK SCLK Decimation AINR Modulator Filter Serial I/O SDTO Interface VCOM Voltage Reference...
  • Page 62 AVR225 A/D CONVERTER IC PIN FUNCTION (AK5380VT) : IC77 PIN/FUNCTION Pin Name Description AINR Rch Analog Input Pin AINL Lch Analog Input Pin NC Pin No internal bonding. VCOM Common Voltage Output Pin Normally connected to AGND with a 0.1 F ceramic capacitor in parallel with an electrolytic capacitor less than 2.2 F.
  • Page 63 AVR225...

  • Page 64: Transistor Pinouts

    AVR225 TRANSISTOR, REGULATOR IC BLOCK DIAGRAM TO-92L TO-92M TO-92 TO-220 1. Emitter 1. Emitter 1. Emitter 1. GND 2. Collector 2. Collector 2. Collector 2. INPUT 3. Base 3. Base 3. Base 3. OUTPUT 1 2 3 1 23...

  • Page 65: Electrical Parts List

    AVR225 AVR225 ELECTRICAL PARTS LIST Reference Designator Part Number Description PCB , FRONT Capacitors C703 HCBS1H821KBT CAP , CERAMIC 820PF 50V K C704,735,773,774,777,778,864 HCEA1VH100T CAP , ELECT 10UF 35V C712 HCEA1HH1R0T CAP , ELECT 1UF 50V C713,730,732,736,770,771,805, HCBS1H223ZFT CAP , CERAMIC 0.022UF 50V Z...
  • Page 66 AVR225 Reference Designator Part Number Description Q733 KVTKSC2785YT KSC2785Y Q734~737 HVTKTC2874BT T.R , MUTE KTC2874B Intergrated Circuits IC72 BVIMB90F476APFG IC , FLASH U-COM FUJITSU IC73 HRVRPM6938H4 SENSOR , REMOTE RPM6938-H4 IC74 HVILC75725E IC , VFL DRIVER LC75725E IC80 HVITC9215AF...
  • Page 67 AVR225 Reference Designator Part Number Description Miscellaneous L702 HLQ02C100KT COIL , AXAIL S701~721 CST1A012ZT SW , TACT SKHV10910G SW01 HSH1A008ZV SW , PUSH (MOMS) BN10 CWZAVR125BN10 WIRE ASS'Y (SHIELD) BN16 CWZAVR2550BN16 WIRE ASS'Y (SHIELD) BN18 CWZAVR125BN18 WIRE ASS'Y (SHIELD)
  • Page 68 AVR225 Reference Designator Part Number Description C901,998 CCFT1H104ZF CAP , SEMI 0.1UF 50V ZF C905,908,923,925,963,999 CCKT1H223ZF CAP , CERAMIC 0.022UF 50V ZF C911 HCEA1CH471T CAP , ELECT 470UF 16V C912 HCEA1CH221T CAP , ELECT 220UF 16V C922,924,962 HCEA1EH101T CAP , ELECT...
  • Page 69 AVR225 Reference Designator Part Number Description R531~540 CRD20TJ221T RES , CARBON 220 OHM 1/5W J R541~545,630 CRD20TJ271T RES , CARBON 270 OHM 1/5W J R556~560,962 CRD20TJ273T RES , CARBON 27K OHM 1/5W J R561~565 CRD20TJ162T RES , CARBON R566~575,581~600,987...
  • Page 70 AVR225 Reference Designator Part Number Description PCB , INPUT Capacitors C201~224,321,322,325,326 CCKT1H221KB CAP , CERAMIC 220PF 50V KB C231,232,349,350,799,382~386, 390,421,424,426,440,447,452, HCEA1CH101T CAP , ELECT 100UF 16V 454,456, 708,709,712, 728,731,733,752,754,780,783, C233~236 HCEA1CKS101T CAP , ELECT 100UF 16V C237,240,359,361,362,387,703, CCKT1H181KB CAP , CERAMIC...
  • Page 71 AVR225 Reference Designator Part Number Description C715,782 HCBS1H473ZFT CAP , CERAMIC 0.047UF 50V Z C722,723 CCCT1H100DC CAP , CERAMIC 10PF 50V DC C724 HCBS1H330JT CAP , CERAMIC C565,566,725 CCCT1H330JC CAP , CERAMIC 33PF 50V JC C392,741,742 HCEA1EH470T CAP , ELECT...
  • Page 72 AVR225 Reference Designator Part Number Description IC75 HVIAK4114VQ IC , DIR IC77 HVIAK5380VT I.C 2CH AUDIO ADC IC78 HVIAK4356VQ I.C , D/A CONVERTER IC79 HVICS493263-CLG I.C , DSP CS493263-CLG HC3990509F I.C. REGULATOR NJM7905FA IC95 Resistors R201~223,477,720,771 CRD20TJ471T RES , CARBON...
  • Page 73 AVR225 Reference Designator Part Number Description R433,466,469,906 CRD20TJ100T RES , CARBON 10 OHM 1/5W J R480,481,560 CRD20TJ682T RES , CARBON 6.8K OHM 1/5W J R551,552 CRD20TJ181T RES , CARBON 180 OHM 1/5W J R556 CRD20TJ822T RES , CARBON 8.2K OHM 1/5W J...
  • Page 74 AVR225 Reference Designator Part Number Description F900,901 KBA2C2500TLU FUSE (2.5A 250V) F902 KBA2C6300TLU FUSE (6.3A 250V) F903,904 KBA2C8000TLU FUSE (8A 250V) CABLE , CARD 80mm 13P CB13 CWC1C4A13B080B CABLE , CARD 130mm 13P CB15 CWC1C4A13B130B CB72 CWC1B2A32A210B CABLE , CARD...

  • Page 75: Pcb Drawings

    AVR225...
  • Page 76 AVR225 harman/kardon...
  • Page 77 AVR225 harman/kardon...
  • Page 79 AVR225...
  • Page 80 AVR225...
  • Page 82 AVR225...

  • Page 83: Schematics

    FRONT PCB...
  • Page 84 FRONT PCB - PAGE 1...
  • Page 85 FRONT PCB - PAGE 2...
  • Page 86 INPUT PCB...
  • Page 87 INPUT PCB - PAGE 1...
  • Page 88 INPUT PCB - PAGE 2...
  • Page 89 MAIN PCB...
  • Page 90 MAIN PCB - PAGE 1...
  • Page 91 MAIN PCB - PAGE 2...
  • Page 92 VIDEO/POWER SUPPLY PCB...
  • Page 93 VIDEO/POWER SUPPLY PCB - PAGE 1...
  • Page 94 VIDEO/POWER SUPPLY PCB - PAGE 2...

  • Page 96: Packaging

    AVR225 BE8X00X...

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