Harman Kardon AVR 745 Service Manual

[Page 1] Harman Kardon AVR 745

harman/kardon AVR745 A/V DOLBY DIGITAL RECEIVER SERVICE MANUAL CONTENTS ESD WARNING…………………...….……….2 LEAKAGE TESTING……………….…..…....3 BASIC SPECIFICATIONS…………………..4 PACKAGE�...

[Page 2] Harman Kardon AVR 745

Each precaution in this manual should be followed during servicing. Components identified with the IEC symbol in the parts list are special significance to safety. When replacing a component identified with , use only the replacement parts designated...

[Page 3] Harman Kardon AVR 745

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 ...

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AVR 745 TECHNICAL SPECIFICATIONS 58 TECHNICAL SPECIFICATIONS Audio Section Stereo Mode Continuous Average Power (FTC) 100 Watts per channel, 20Hz–20kHz, @ <0.07% THD, both channels driven into 8 ohms Seven-Channel Surround Modes Power per Indi...

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AVR745 harman/kardon 5 ...

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LEGEND FOR AVR745 PACKAGE PAGE AVR745 US Packing Part List Item # Part Number Description Qty 1 LABEL BARCODE AVR745US 2 2 ZKD2704HA00-R BOX CARTON AVR745US 1 3 ZKD2701HA00-R OWNER'S MANUAL AVR745US 1 4 ZQD1201HAWH-R CUSHION POLY EPS RIGHT 1 5 F...

[Page 7] Harman Kardon AVR 745

FRONT-PANEL CONTROLS 1 Standby/On Switch 2 Surround Mode Group Selector 3 Surround Mode Selector 4 Tuning Selector 5 Tuner Band Selector 6 Preset Station Selector 7 Input Source Selector 8 Tuning Mode Selector 9 Front-Panel Door ) Volume Control ! ...

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FRONT-PANEL CONTROLS 6 FRONT-PANEL CONTROLS 4 Tuning Selector: Press the left side of the button to tune lower-frequency stations and the right side of the button to tune higher-frequency stations. When the tuner is in the MANUAL/MONO mode, each t...

[Page 9] Harman Kardon AVR 745

FRONT-PANEL CONTROLS FRONT-PANEL CONTROLS 7 The following controls and jacks are located behind the front-panel door. To open the door, place the edge of a finger on the left or right edge of the panel and gently swing the door down toward you. A Mai...

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8 REAR-PANEL CONNECTIONS REAR-PANEL CONNECTIONS 0 Preamp Outputs 1 Main Subwoofer Output 2 Tape Outputs 3 A-BUS Connector 4 Tape Inputs 5 Surround Speaker Outputs 6 CD Audio Input 7 Front Speaker Outputs 8 Multiroom Audio Outputs 9 Subwoofer 2 Outp...

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REAR-PANEL CONNECTIONS 9 REAR-PANEL CONNECTIONS 0 Preamp Outputs: Connect these jacks to an optional, external power amplifier for applications where higher power is desired. 1 Main Subwoofer Output: Connect this jack to the line-level input of a po...

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REAR-PANEL CONNECTIONS 10 REAR-PANEL CONNECTIONS M HDMI Output: Connect this jack to the HDMI input on a compatible HDMI-equipped video display. N HDMI Inputs: Connect the HDMI output of video sources such as a DVD player, set-top box or HDTV tuner t...

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TC 30 REMOTE CONTROL FUNCTIONS TC 30 REMOTE CONTROL FUNCTIONS 11 0 USB Connector 1 IR Emitter Window 2 Power Button 3 Activities Button 4 Devices Button 5 Help Button 6 Screen Buttons 7 LCD Screen 8 Page Left/Right Buttons 9 Transport Control Buttons...

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TC 30 REMOTE CONTROL FUNCTIONS 0 USB Connector: Push down on the rubber cover to access the USB connecter. To program the TC 30 from our Web site, connect the supplied USB cable here, and then to your computer. 1 IR Emitter Window: Point this end of ...

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ZR 10 REMOTE CONTROL FUNCTIONS å Power Off Button ∫ OSD Button ç AVR Selector Button ∂ Input Selectors ≠ Tuner Selector ƒ XM Radio Selector © Navigation Controls ˙ Volume Up/Down Buttons î Disc Skip Buttons ∆ Numeric Keys Blank Buttons...

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14 ZR 10 REMOTE CONTROL FUNCTIONS å Power Off Button: When used in the room where the AVR 745 is located, press this button to place the unit in Standby. When it is used in a remote room with a sensor that is connected to the Multiroom IR Input Jac...

[Page 17] Harman Kardon AVR 745

INSTALLATION AND CONNECTIONS System Installation After unpacking the unit, locating it in a place with ade- quate ventilation and placing it on a solid surface capable of supporting its weight, you will need to make the con- nections to your audio an...

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16 INSTALLATION AND CONNECTIONS16 INSTALLATION AND CONNECTIONS INSTALLATION AND CONNECTIONS various source devices, but you may make any connection and change the configuration setting using the IN/OUT SETUP menu, as described on page 22. 6. The def...

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INSTALLATION AND CONNECTIONS remote room location to control source equipment functions. When a remote IR sensor is used to control non- Harman Kardon source equipment, we recommend that you make a hard wire connection or use an optional, external IR...

[Page 20] Harman Kardon AVR 745

18 INSTALLATION AND CONNECTIONS18 INSTALLATION AND CONNECTIONS INSTALLATION AND CONNECTIONS Both trigger jacks deliver 5 volts DC when activated, and remove the voltage when they are off. The con- nection is a 3.5mm mono mini plug with the signal on ...

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OPERATION OPERATION 39OPERATION 39 Basic Operation Once you have completed the initial setup and configu- ration, the AVR 745 is simple to operate and enjoy. The following instructions will help you maximize the enjoy- ment of your new receiver: Befo...

[Page 22] Harman Kardon AVR 745

will also appear in the Upper Display Line # and in the front-panel Input Indicators !. • When an audio only source is selected, the last video input used remains routed to the Video 1/Video 2 Video Outputs U and Video Monitor Outputs R. This per...

[Page 23] Harman Kardon AVR 745

OPERATION 42 OPERATION press the Screen Button 6 to the right of Surr Menu . The options list will change again, this time showing the major display category modes. The first press of a button will show the current mode from that group if it is alrea...

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OPERATION OPERATION 43OPERATION 43 Selecting a Digital Source To utilize either digital mode, you must have properly connected a digital source to the AVR 745. Connect the digital outputs from DVD players, HDTV receivers, satellite systems or CD play...

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OPERATION 44 OPERATION The AVR 745’s USB connectivity may be used with PC-compatible computers running either Microsoft ® Windows ® 2000 with Service Pack 4 or higher installed, or Windows XP ® or Windows XP Media Center Edition with Service Pac...

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OPERATION 45 OPERATION The Night mode may be engaged at any time when a Dolby Digital source is playing by pressing the Devices Button 4 on the TC 30, followed by the Screen Button 6 at the top of the row of buttons on the left side of the TC 30, to...

[Page 27] Harman Kardon AVR 745

OPERATION 46 OPERATION (AM, FM or XM) appears. To change stations within a frequency band, press the Tuning Selection 3. • You may also press the front panel’s Tuner Band Selector 4 to select the tuner. The first press will select the last use...

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available XM channels, press the Screen Button 6 next to Tuning Up or Tuning Down . • To select the tuner from the ZR 10 remote control, press the XM Radio Selector Button ƒ . Channels are selected using the Prev/Next Transport Controls π . Whi...

[Page 29] Harman Kardon AVR 745

long as the AVR 745 is turned on, unless the setting is changed in the OSD menu system, as described above. However, once the AVR 745 is turned off, the setting is canceled. When the unit is turned on again, the front-panel jacks will return to their...

[Page 30] Harman Kardon AVR 745

54 TROUBLESHOOTING GUIDE TROUBLESHOOTING GUIDE SYMPTOM CAUSE SOLUTION Unit does not function when Main • No AC Power • Make certain AC power cord is plugged into Power Switch is pushed a live outlet • Check to see whether outlet is switch-cont...

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LEGEND (PARTS LIST) NEXT PAGE AVR745 harman/kardon 31 ...

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LEGEND FOR AVR 745 EXPLODED VIEW PREVIOUS PAGE Item # Part Number Description Qty 1 H03-ZMC11S00200 AL DOOR AVR430/630 1 2 H03-ZPD2702GAGY AL PANEL AVR745 1 3 H03-ZPD2703GAGY BADGE AL HARMAN/KARDON SILVER 1 4 H03-ZMD27S20A00 BADGE harman/kardon COVE...

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64 H03-SORA10003GN JACK RCA 1P JE010003SG GND YELLOW 1 65 SOPA96063NN JACK D-SUB 9P 87204-6063 W/DUST COVER BK 1 66 H03-SOJW2350SNN JACK PHONE 3.5 EP-1401A 6 OR 5 67 H03-ZMC12S16A00 BKT GROUND 1 68 H03-ZMC11S10A00 BKT FAN REAR 1 69 H03-SOYKF457009 J...

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SERVICE PROCEDURE ALIGNMENT PROCEDURES 1.MAIN AMP idling Adjustment SET CONDITION 1) SEMI VOLUME POSITION at MAIN/SURROUND AMP Board MAIN:VR71.VR72 SURROUND:VR73.VR74 NO Signal/No Load AC Line Voltage:120V/60Hz.230V/50Hz 2) After turning on the unit ...

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AVR745-CIRCUIT DESCRIPTION Digital In Opt Coax Digital Out Opt Coax Analog In Pre out Speaker out U-COM TMS320DA610 Flash ROM SDRAM AMP Volume 8CH IN AK4114 AVR745 harman/kardon 37 ...

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100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 1 75 2 74 3 73 4 72 5 71 6 70 7 69 8 68 9 67 10 66 11 65 12 64 13 63 14 62 15 61 16 60 17 59 18 58 19 57 20 56 21 55 22 54 23 53 24 52 25 51 26 27 28 29 30 31 32 33 34 35 36 ...

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PIN PIN NAME RECEVIER NAME IN/OUT FUNCTION 1 AV REF0 3.3V Supply AD ref 2 AV SS GND Supply GND 3 P10/ANO0 Encoder 1 IN VOLUME ENCODER INPUT 1 4 P11/ANO1 Encoder 2 IN VOLUME ENCODER INPUT 2 5 AV REF1 AVREF1 Supply VDD 6 PDH4/A20 Mic in IN ROOM EQ mic ...

[Page 42] Harman Kardon AVR 745

PIN PIN NAME RECEVIER NAME IN/OUT FUNCTION 76 PDL5/AD5/FLMD1 JTAG IN Debug port 77 PDL6/AD6 Video I2C DATA-HDMI-SDA IN/OUT farodja,HDMI i2c 78 PDL7/AD7 Video I2C CLK-HDMI-SCK OUT farodja,HDMI i2c 79 PDL8/AD8 backup eeprom/HDMI eeprom1 I2C data IN/OUT...

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Semiconductor pinout drawings •IC 1. 24LC256 (DSP: IC53) 2. 24LC64-I/SNG (DSP: IC16) AVR745 harman/kardon 43 ...

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3. 24LC08BT (VIDEO: IC43 IC46) 4. BU4094BCF SOP16 (DSP: IC23 IC24 IC28) (RS232: IC406) (VIDEO: IC18 IC19 1C20 IC21 IC22) AVR745 harman/kardon 44 ...

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5. BU4051BCF SOP16 (DSP: IC21) 6. BU4052BCF SOP16 (RS232: IC34) AVR745 harman/kardon 45 ...

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7. 74HCU04M (DSP: ICIC74 IC75) 8. SN74ALVC244PWR (VIDEO: IC50 IC51 IC53) AVR745 harman/kardon 46 ...

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9. XMDIC QFP48 (DSP: IC15) AVR745 harman/kardon 47 ...

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10. TMS320DA610-250 PQFP208 (DSP:IC91) AVR745 harman/kardon 48 ...

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11. SN74LVC1G125DVB (DSP:IC51,52 VIDEO: IC67,68) AVR745 harman/kardon 49 ...

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12. 74VHC244M (DSP:IC50) 13. AT49BV163DT (DSP:IC92) AVR745 harman/kardon 50 ...

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14. 74AHC1G (DSP: IC45) AVR745 harman/kardon 51 ...

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15. AK5385AVF (DSP: IC25 IC26 IC27 IC37) 16. DS1233AZ (DSP: IC40) AVR745 harman/kardon 52 ...

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17. BU4053BCF (DSP:IC23,24,28 VIDEO: IC12 IC42 IC45 IC59) AVR745 harman/kardon 53 ...

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18. TUSB3200A (DSP: IC14) AVR745 harman/kardon 54 ...

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19. K4S161622H-UC60 (DSP:IC93) AVR745 harman/kardon 55 ...

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AVR745 harman/kardon 56 ...

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20. KIC9162CFG (DSP: IC36 PROCESSOR: IC15) KIC9163CFG (PROCESSOR: IC12) AVR745 harman/kardon 57 ...

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21. LC74763M (RS232: IC401 VIDEO:IC27) AVR745 harman/kardon 58 ...

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22. NJM2068M (DSP: IC13, 41, 42, 43, 44, 49, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 71, 72) (FRONT: IC50, MAIN: IC22) (PROCESSOR: IC2, 3, 4, 5, 6, 7, 10, 11, 25, 13, 14, 18, 19, 21, 22, 23, 24, 26) (RS232: IC61) NJM4580M (PROCESSOR: I...

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24. NJM317DL1 (DSP: IC94) 1. Adjustment 2. Output 3. Input 25. MAX3223CDWR (RS232: IC31) AVR745 harman/kardon 60 ...

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26. MM1511XNRE (VIDEO: IC32) 27. MM1503XNRE (VIDEO: IC17 IC25 IC26 IC33 IC34 IC35 IC36 IC37) 28. MM1505XNRE (RS232: IC405) AVR745 harman/kardon 61...

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29. NJM2296M (VIDEO:IC13, 14, 15, 16) 30. NJM2586M (VIDEO:IC38 ) AVR745 harman/kardon 62 ...

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31. NJM4556AD (PROCESSOR:IC20) 32. PC-17T1 (DSP: IC85 RS232: IC32, 33) AVR745 harman/kardon 63 ...

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33. TC9273CFG-004 (PROCESSOR: IC8, 9 ) 34. SH95ID (VIDEO: IC23, 28, 31) AVR745 harman/kardon 64 ...

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35. SN74LVC1G17DBVR SOT(SOT-23)DBV (DSP: IC57 IC59) 36. SN74LVC257AD (DSP: IC78 IC17 IC18 IC19) (VIDEO: IC49) AVR745 harman/kardon 65 ...

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37. AD1852JRSZ SSOP28 AVR745 harman/kardon 66 ...

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38. AK4114VQ LQFP48 (DSP: IC20) 39. ACF451832-333-T (E901) AVR745 harman/kardon 67 ...

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40. CS4391A-KZZ SOP20 (DSP: IC11 IC31) AVR745 harman/kardon 68 ...

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41. ADA4410-6ACPZ (VIDEO: IC40) 42. ADA4412-3ARQZ (VIDEO: IC39) AVR745 harman/kardon 69 ...

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43. DV7320LKSTZ (VIDEO: IC29) 44. AD1580BRTZ (VIDEO: IC64) AVR745 harman/kardon 70 ...

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45. SDRAMK4S643232H (VIDEO: IC48) AVR745 harman/kardon 71 ...

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46. ADV7401BSTZ (VIDEO: IC24) AVR745 harman/kardon 72 ...

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47. RCLAMP0514M (VIDEO: IC56 IC57 IC61 IC62) 48. 2N7002LT1G (Q119 Q120 Q121 Q122) AVR745 harman/kardon 73 ...

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49. UPA672T (VIDEO: IC41 IC44 IC58) 50. SN74CB3T3306DCTR (VIDEO: IC66) AVR745 harman/kardon 74 ...

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51. FLI2300-BD PQFP-208 (VIDEO: IC47) AVR745 harman/kardon 75 ...

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52. UPD70F3261YGC-8EA-A LQFP100 (DSP: IC22) AVR745 harman/kardon 76 ...

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UPD70F3261YGC-8EA-A LQFP100 AVR745 harman/kardon 77 ...

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53. SII9030CTU TQFP80 (VIDEO: IC54) AVR745 harman/kardon 78 ...

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54. SIL9031CTU TQFP144 (VIDEO: IC55) AVR745 harman/kardon 79 ...

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55. SN74CB3T3306DCTR SSOP-8 (DSP: IC96) 56. CJT117-3.3 (DSP: IC30 VIDEO: IC11) CJT1117-2.5 (VIDEO: IC65) IL1117S-1.8 (VIDEO: IC10) AVR745 harman/kardon 80 ...

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57. KIA278R33API (MAIN: IC71) KIA278R06API (MAIN: IC73) KIA378R05PI (SURROUND: IC64) 58. KIA7805API (MAIN: IC72 SUPPLY: IC12) KIA7812API (MAIN: IC59 ) KIA7815API (MAIN: IC51, 60) KIA7824API (MAIN: IC54) KIA7806AP (VIDEO: ...

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•TRANSISTORS 1. KRA107S (DSP: Q851) (FRONT: Q824, 831, 832) (PROCESSOR: Q109, 203, 301, 605, 608, 611, 614, 615, 618, 620, 623, 626 629, 754, 692, 751) (RS232: Q301, 302) (VIDEO: Q110, 111, 112, 123) 2. KRC107S ...

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3. KTA1504Y (RS232: Q305 Q306) (FRONT: Q703) (PROCESSOR: Q601, 602, 621, 622, 624, 625, 627, 628, 630, 631, 104, 105, 107, 108 201, 202, 204, 205, 221, 222, 302, 303, 603, 604, 606, 607, 609, 610, 612, 613, 616 617, 690, 691, 752, 753) ...

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6. KTA1360 (MAIN: Q327 Q328 Q431 Q432 SURROUND: Q215 Q315 Q515) -AVR745,645 ONLY KTA1360 (MAIN: Q417 Q418 Q315 Q316 SURROUND: Q208 Q508 Q308) -AVR445 ONLY KTC3114 (MAIN: Q701 Q702 Q703 Q704 SURROUND: Q214 Q314 Q514) ...

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9. KTA1024Y (MAIN: Q315 Q316 Q319 Q320 Q417 Q418 Q421 Q422 Q442 SURROUND: Q208 Q211 Q308 Q311 Q508 Q511)-AVR745,645 ONLY KTC3206Y ( MAIN: Q317 Q318 Q321 Q322 Q419 Q420 Q423 Q424 SURROUND: Q209 Q212 Q309 Q312 Q509 Q512)-AVR745,645 ONLY ...

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12. 2SA1986-R (MAIN: Q335 Q336 Q439 Q440 SURROUND: Q219 Q319 Q519)-AVR745,645 ONLY 2SC5358-R (MAIN: Q333 Q334 Q437 Q438 SURROUND: Q218 Q318 Q518)-AVR745,645 ONLY 2SD2560 (MAIN: Q333 Q334 Q437 Q438 SURROUND: Q218 Q318 Q518)-AVR445 ONL...

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•OTHERS 1. FL HCA-18-BT-19GINK (FRONT FL1) AVR745 harman/kardon 87 ...

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2. VCXO 24M576HZ (DSP Y413) 3. OPTICAL RX YKC22-0733N (DSP: J411 J413 J414) AVR745 harman/kardon 88 ...

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4. TX YKC22-0732N (DSP: J402) 5. TORX177L (FRONT: NJ79) AVR745 harman/kardon 89 ...

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6. RPM6938-RSIP-A3 (FRONT: RM71) 7. LP-200TL (FRONT: RM72) AVR745 harman/kardon 90 ...

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AVR745 harman/kardon 100 ...