Related Manuals for Harman Kardon AVR 2550
Summary of Contents for Harman Kardon AVR 2550
- Page 1 AVR 2 5 5 0 Audio/Video Receiver Service Manual AVR 2550 ® Power for the Digital Revolution ™...
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Page 2: Technical Specifications
Height measurement includes feet and chassis. All features and specifications are subject to change without notice. Harman Kardon is a registered trademark, and Power for the digital revolution is a trademark, of Harman International Industries, Inc. *Manufactured under license from Dolby Laboratories. -
Page 3: Troubleshooting
• 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 4 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 CN65 CN64 VR63 VR65 VR64...
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Page 5: Transistor, Regulator Ic Block Diagram
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 12 3 KTA1024Y KSC2316Y KTC2874B KSC2785Y KTD1302T... - Page 6 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 L-INC latch L-A-GNDC 11 L-A-GNDC latch...
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Page 7: Block Diagram
TC9215AF (TONE CONTROL : IC80) BLOCK DIAGRAM TC9215AF GND 1 16 V OFF 2 S 40 S 10 S 41 S 11 S 42 S 12 S 34 S 20 S 32 S 21 S 31 V ss S 30... - Page 8 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 9 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...
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Page 10: Pin Assignment (Top View)
PIN ASSIGNMENT (TOP VIEW) Top view No. 5606-3/13... - Page 11 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 12 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) Host parallel output enable pin(pulled up with an external resistor) CS_DA SPI Serial data input pin CS_CK...
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Page 13: Top View
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 FILT1 DATA3,EMAD3,GPIO3 FILT2 DATA2,EMAD2,GPIO2 CLKSEL... - Page 14 Sheet 4/5 Ise Electronics Corporation :Grid Assignment CM2054C Scale 3:1 Unit : mm G3-G10...
- Page 15 Sheet 5/5 :Anode & Grid Assignment CM2054C Ise Electronics Corporation PRESET TUNED ANALOG COAX SLEEP VMAx AUTO MULTI HDCD LOGIC 7 NIGHT PIN ASSIGNMENT Pin No. Assignment F2 NP NL S24 S23 S22 S21 S20 S19 S18 S17 S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 (F2) Pin No.
- Page 16 A/D CONVERTER IC (AK5380VT) : IC77 AGND DGND MCLK Clock Divider ∆Σ Decimation AINL Modulator Filter LRCK SCLK ∆Σ Decimation AINR Modulator Filter Serial I/O SDTO Interface Voltage Reference VCOM...
- Page 17 PIN ASSIGNMENT (TOP VIEW) AINR AINL VCOM View AGND SCLK MCLK LRCK SDTO DGND A/D CONVERTER IC (AK5380VT) : IC77...
- Page 18 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 0.1µF ceramic capacitor in parallel with an electrolytic capacitor less than 2.2µF.
- Page 19 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 DZFR3 SDTI1 SDOUT1 ROUT3+ SDTI2...
- Page 20 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 21 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 DZFL1 DAC1 Lch Zero Input Detect Pin CAD0...
- Page 22 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 (Note) DIF0 Audio Data Interface Format 0 Pin...
- Page 23 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 & Q-subcode CCLK DVSS AC-3/MPEG µP I/F STATUS CDTO buffer TVDD Detect Detect CDTI B,C,U,VOUT INT0 INT1...
- Page 24 DIR IC PIN ASSIGNMENT & BLOCK DIAGRAM PIN ASSIGNMENT (TOP VIEW) INT0 IPS0/RX4 OCKS0/CSN/CAD0 AVSS OCKS1/CCLK/SCL DIF0/RX5 TEST2 CM1/CDTI/SDA AK4114VQ CM0/CDTO/CAD1 DIF1/RX6 AVSS DIF2/RX7 Top View IPS1/IIC DAUX P/SN XTL0 MCKO2 BICK XTL1 SDTO...
- Page 25 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. DIF0 Audio Data Interface Format 0 Pin in Parallel Mode Receiver Channel 5 Pin in Serial Mode (Internal biased pin)
- Page 26 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”. Master Clock Operation Mode 1 Pin in Parallel Mode CDTI Control Data Input Pin in Serial Mode, IIC= “L”.
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Page 27: Truth Table
PIN ASSIGNMENT (74HCU04AFN : IC71,72 ) LOGIC SYMBOL (10) (11) (13) (12) TRUTH TABLE... - Page 30 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 33 AVR2550 Front board sch...
- Page 34 AVR2550 Main board sch...
- Page 35 AVR2550 Input board sch...
- Page 36 AVR2550 Video board sch...
- Page 37 AVR 2550 EXPLODE VIEW...
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Page 38: Electrical Parts List
■ ELECTRICAL PARTS LIST REF NO. PART NO. DESCRIPTION REMARKS CUP11516X PCB , FRONT ▶CAPACITOR C701,702 HCBS1H390JT CAP , CERAMIC 39PF 50V J C703 HCBS1H821KBT CAP , CERAMIC 820PF 50V K C704,735,773,774 HCEA1VH100T CAP , ELECT 10UF 35V 777 778 864 C705,711 HCBS1H102KBT CAP , CERAMIC... - Page 39 D761,777,779 HVD1SS133MT DIODE 1SS133T-77 D776,778 KVD1N4003ST DIODE 1N4003 D723 CVD50BOGDWGA L.E.D , 2 COLOR ▶COIL L702 HLQ02C100KT COIL , AXAIL 10UH K ▶TRANSISTOR Q701~703,705~716 HVTKRC107MT KRC107M 718~720,724~729 Q734~737 HVTKTC2874BT T.R , MUTE KTC2874B ▶RESISTOR R701~703,705~716 CRD20TJ121T RES , CARBON 120 OHM 1/5W J 718~720,826,827 R704,757,763 CRD20TJ332T...
- Page 40 R894 CRD20TJ1R0T RES , CARBON 1 OHM 1/5W J R917 CRD20TJ123T RES , CARBON 12K OHM 1/5W J ▶SWITCH S701~721 CST1A012ZT SW , TACT SKHV10910G SW01 HSH1A008ZV SW , PUSH (MOMS) ▶WIRE ASS'Y BN16 CWZAVR2550BN16 WIRE ASS'Y (SHIELD) BN80 CWB2B908320EW WIRE ASS'Y BN81 CWB2B906250BM WIRE ASS'Y BN83...
- Page 41 VR72,73 CVV2X07C104Z RES , VARIABLE(TONE) RK14128030214C ▶ENCODER VR74 HSR2A023Z VR , ENCODER ▶CRYSTAL X701 HOX04194E120C CRYSTAL X702 HOX04332E200C CRYSTAL CUP11517X PCB , MAIN ▶CAPACITOR C501~505 HCEA1VH100T CAP , ELECT 10UF 35V C506~510 CCKT1H331KB CAP , CERAMIC 330PF 50V KB C561~565,907 HCEA1CH101T CAP , ELECT 100UF 16V...
- Page 42 Q681~685,901 KVTKSC2785YT KSC2785Y 942 943 Q806,969~973 HVTKTC2874BT T.R , MUTE KTC2874B Q938,939,952,992 HVTKRA107MT KRA107M Q951,960,991 HVTKRC107MT KRC107M Q961 HVTKTA1024YT KTA1024Y Q611~615 HVTKTD600KGR T.R , BIAS KTD600KGR Q621~625 HVT2SA1360O 2SA1360O Q626~630 HVT2SC3423O 2SC3423O Q652~655,661 BVT2SB1560 T.R , POWER 2SB1560 Q657~660,670 BVT2SD2390 T.R , P0WER 2SD2390 ▶RESISTOR...
- Page 43 R991 CRD20TJ822T RES , CARBON 8.2K OHM 1/5W J ▶SEMI RESISTOR VR61~65 HVN1RA221B01T RES , SEMI FIXED(220 OHMRH0615C100221 ▶WIRE ASS'Y BN20 CWB3FB03280UP WIRE ASS'Y BN90 CWB4D232450PU WIRE ASS'Y JW91 CWE8212230VV WIRE ASS'Y JW92 CWEE212120VV WIRE ASS'Y ▶CONNECTOR CN61~65 KJP03GA01ZM WAFER MOLEX 5267-03A CN80 KJP08GA19ZM...
- Page 44 C273~284 HCQI1H332JZT CAP , MYLAR 3300PF 50V J C285,286,288~292 CCKT1H561KB CAP , CERAMIC 560PF 50V KB 294~296,333 C287,293,371 HCQI1H182JZT CAP , MYLAR 1800PF 50V J C297~302,323,324,327 328,334,347,348,358 HCBS1H223ZFT CAP , CERAMIC 0.022UF 50V Z 420,430,439,446,449 460,730,766 C303~308 HCEA1HH220T CAP , ELECT 22UF 50V C336,357,461,735,921 CCKT1H223ZF CAP , CERAMIC...
- Page 45 C919,920 HCQI1H473JZT CAP , MYLAR 0.047UF 50V J C922 HCEA1EH101T CAP , ELECT 100UF 25V C923 HCEA1CH332E CAP , ELECT 3300UF 16V ▶DIODE D418 HVDMTZJ5.6BT DIODE , ZENER 5.6V 1/2W D701 HVDMTZJ4.7BT DIODE , ZENER 4.7V 1/2W D702 HVDMTZJ3.3BT DIODE , ZENER 3.3V 1/2W D901~906 KVD1N4003SRT...
- Page 46 CRD20TJ104T RES , CARBON 100K OHM 1/5W J 716,718 R321~328,333~335 426,440,460,462,472 CRD20TJ332T RES , CARBON 3.3K OHM 1/5W J 475,750,751,765,767 R336 CRD20TJ123T RES , CARBON 12K OHM 1/5W J R337,911 CRD20TJ153T RES , CARBON 15K OHM 1/5W J R341,395,723 CRD20TJ105T RES , CARBON 1M OHM 1/5W J R349,350...
- Page 47 CN81 KJP06GA01ZM WAFER MOLEX 5267-06A CN83 KJP02GA01ZM WAFER MOLEX 5267-02A CN97 KJP03GA01ZM WAFER MOLEX 5267-03A ▶I.C IC20 HVITC9163AF I.C , FUNCTION TC9163AF IC21,23~29,32~34 HVINJM2068MTE1 I.C , OP AMP NJM2068M-TE1 IC22 HVITC9164AF I.C , FUNCTION TC9164AF IC30 HVITC9162AF I.C , FUNCTION TC9162AF IC31 HVITC9482F...