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Harman Consumer Group AVR75/85 Technical Manual

Dolby digital audio/video receiver
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AVR75/85
Dolby Digital Audio/Video Receiver
T E C H N I C A L M A N U A L
Harman Consumer Group
250 Crossways Park Drive
Woodbury, N.Y. 11797
1-800 422-8026 in the USA
A Harman International Company
Rev A 12/99

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Summary of Contents for Harman Consumer Group AVR75/85

  • Page 1 AVR75/85 Dolby Digital Audio/Video Receiver T E C H N I C A L M A N U A L Harman Consumer Group 250 Crossways Park Drive Woodbury, N.Y. 11797 1-800 422-8026 in the USA A Harman International Company Rev A 12/99...

  • Page 2: Table Of Contents

    PCB - PC04, AC-3 Crossover........38 INTEGRATED CIRCUIT DIAGRAMS ......61-71 PCB - PW04, Headphone ........39 PCB PU04, Front............39 AVR75/85 WIRING DIAGRAM (120V & 230V).....72 PCB - PL94, Aux In..........40 PCB -PU54, Master Volume ........40 AVR75 (120V) SCHEMATIC DIAGRAM 1 of 8 PCB - P724 ............40...
  • Page 3 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75 (120V) SCHEMATIC DIAGRAM 6 of 8 TONE CONTROL PCB - PF04, (VOLTAGE AMP PCB - P714, VIDEO SELECTOR PCB - PL04, MAIN PCB - P704, S-VIDEO PCB - PL54)...........91 SURROUND AMP PCB - PP04,...

  • Page 4: Electrostatically Sensitive (Es) Devises

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver ELECTROSTATICALLY SENSITIVE (ES) DEVICES Some semiconductor (solid state) devices can be damaged easily by 4. Use only a anti-static solder removal device. Some solder removal static electricity. Such components commonly are called Electrostatically devices not classified as “anti-static”...

  • Page 5: Avr75 & Avr85 Front Panel Controls

    Power Switch will turn amber, indicating NOTE: When the headphones are in use the output to the that the AVR75/85 is in a Standby mode. In this condition speakers is muted and the surround mode is automatically the unit is NOT disconnected from the AC main power...
  • Page 6 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver 4. CD: Press this button to select the CD player. 20. P-Set: Press this button to manually scroll up or down through the FM or AM stations programmed into the 5. Tape 1/Monitor: Press this button to select Tape One as receiver’s preset memory.

  • Page 7: Avr75 & Avr85 Front Panel Display

    Night Indicator: This indicator lights when the Multi: This indicator signifies that the AVR85 is sending AVR75/85 is in Night mode, which prevents the AVR75/85 a program source to a remote room location. Note that it from loud playback when digital sources are in use.
  • Page 8 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver P-Scan: This indicator flashes when the stations Auto: This indicator signifies that the Automatic Tuning programmed into the tuner memory are being automatically mode is in use for FM broadcasts. reviewed. Memo: This indicator flashes when the Memo button is...

  • Page 9: Avr75 & Avr85 Remote Control Info

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75 & AVR85 REMOTE CONTROL Sending Learning Sending Learning Learn Learn SLEEP SLEEP Main Power Source Power Main Power Source Power AC-3 3 ST MOVIE AC-3 3 ST MOVIE STEREO MATRIX HALL STEREO...
  • Page 10 Note that the remote zone feed Reverse Play button also operates the FM Mode will remain on after the main room power is turned off until it function of the AVR75/85’s tuner. is switched off by pressing this button again. NOTE: buttons are also used...
  • Page 11 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver Preset/Disc: These buttons have multiple functions, NOTE: The 0 button has a dual function. It also serves which may vary according to the input device codes as the CLEAR button for use in programming the tuner programmed.

  • Page 12: Avr75 & Avr85 Rear Panel Connections

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75 & AVR85 REAR PANEL CONNECTIONS 30. AM Antenna: Connect the AM loop antenna supplied 33. Tape 2 In: Connect these jacks to the PLAY/OUT jacks with the receiver to these terminals. If an external AM of a second audio recorder.
  • Page 13 Dolby Digital Audio/Video Receiver 37. DVD Inputs: Connect the analog audio outputs and 50. Remote IR In: If the AVR75/85’s front panel IR sensor is composite or S-Video output of a DVD or LV player to these blocked due to cabinet doors or other obstructions, an jacks.

  • Page 14: Service Bulletin #9705 For Avr85

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver Service Bulletin #9705 for AVR85 Service bulletin # 9705 August 1997 To: All harman/kardon Service Centers Models: AVR85 Subject: No audio output In the event you receive an AVR85 with the complaint “no audio output” (even though the display is...
  • Page 15 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver View is upper left-hand corner of PCB Bottom (trace) side CONNECTION #1 CONNECTION #2...

  • Page 16: Service And Adjustment

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver SERVICE AND ADJUSTMENT I. SERVICE PROCEDURE 1.Tracking Point Memory This service procedure can be used for measurement of the tuner circuit. With the POWER ON, press the “PRESET UP” button while pressing the “MEMO” button for at least 3 seconds or more. FLD will display “TRACKING”. Frequencies to be...

  • Page 17: All Clear

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver 3. All Clear This service program can clear all memorized operations and functions. With the POWER ON, press the “CD” button while pressing the “MODEs” button for more than 3 seconds. FLD shows “CLEAR MEMO” and power will be OFF.
  • Page 18 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver 2. AM Tracking Adjustment Input Signal Source Signal Source Signal Output Reception Adjustment Adjustment Step Connection Frequency Level and Modulation Frequency Point Value 603 kHz Output level (L 603 kHz (Europe) Level 300 - 400 m V/m...
  • Page 19 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver 6. FM Muting Level Adjustment Turn the variable resistor R212 until the word TUNED is not shown in the display. Then adjust the resistor R212 in the opposite direction until TUNED is shown in the display.

  • Page 20: Alignment And Test Points

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver ALIGNMENT AND TEST POINTS...
  • Page 21 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver IV. TECHNICAL DESCRIPTION This product is a “Dolby Digital (AC-3)” decoder. By connecting this product with a Dolby digital compatible component such as a DVD player or DBS tuner, it will be capable of 5.1 CH (Front L/R, Rear L/R, Center and Sub-woofer) play.
  • Page 22 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75/85 BLOCK DIAGRAM AVR75/85 PAGE 22 - 1 of 4 AVR75/85 PAGE 22 - 2 of 4 PN54 CONNECT PU54 AVR75/85 BLOCK DIAGRAM AVR75/85 PAGE 22 - 3 of 4 AVR75/85 PAGE 22 - 4 of 4...
  • Page 23 AVR75/85 PAGE 22 - 1 of 4...
  • Page 24 AVR75/85 AVR75/85 PAGE 22 - 2 of 4 PN54...
  • Page 25 AVR75/85 PAGE 22 - 3 of 4...

  • Page 26: Avr75/85 Block Diagram

    CONNECT PU54 AVR75/85 BLOCK DIAGRAM AVR75/85 PAGE 22 - 4 of 4...

  • Page 27: Specifications

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver SPECIFICATIONS Power Suppies USA/Canada ..AC 120V, 60Hz Europe ... . AC 230V, 50Hz Dimensions (W x H x D) Inches: .
  • Page 28 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver Audio Section Performance Specifications Seq # Test Reference Unit Nominal Limits Continuous Power Output THD 0.09% 20Hz (L/C/R) 1kHz Front L/R both, Center Ch. ! FTC ! CP-2101 5 CD Input 20kHz 5 Volume Max.
  • Page 29 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver Seq # Test Reference Unit Nominal Limits 100Hz Crosstalk (between Stereo Channels) Measured at TAPE IN Input: CD terminated by 1kV 1kHz STEREO 5 without Hum & Noise 5 CP-2101 10kHz Preout Front...
  • Page 30 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver Front ü DC offset of Speaker output Volume Min. Center ü No Load Surround ü Idling Power Consumption AC Line 70~100 at Minimum Volume Control Power Consumption at Rated Power AC Line 245~335...
  • Page 31 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver FM Tuner Section Performance Specifications for Model AVR75/85 Seq # Test Measured Unit Nominal Limits 87.50~ Frequency Range ü 108.00 *2.5 90MHz 13.5 *19.2 *2.5 U Version 98MHz 13.5 *19.2 *2.5 106MHz 13.5 *19.2...
  • Page 32 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver Seq # Test Measured Unit Nominal Limits 45dBf ü ü Capture Ratio at 98MHz 100uV U: 75kHz Dev. 65dBf N: 40kHz Dev. *2.5 500uV A.C.S. U:6400kHz 98MHz N:6300kHz Intermediate Frequency 10.7 ü 90MHz ü...
  • Page 33 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver FM Tuner Section Performance Specifications for Model AVR75/85 Seq # Test Measured Unit Nominal Limits 25.2 *40.0 90MHz 39.2 *43.3 (STEREO) 25.0 *40.0 98MHz 50dB Quieting Sensitivity (dBf) 39.2 *43.3 at 75V 25.0 *40.0...
  • Page 34 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AM Tuner Section Performance Specifications for Model AVR75/85 Test Measured Unit Nominal Limits 520~171 10kHz U: 10k Frequency Range(MW) STEP ü others: 9k 531~160 9kHz STEP Frequency Range(LW) 1kHz 152~282 ü 603kHz 600kHz...
  • Page 35 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AC-3 Section Performance Specifications for Model AVR75/85 Test Ref. Unit Nominal Limits Front 1.40 1.10~1.70 Output Level at Preout Surround 1kHz 1.40 1.10~1.70 Input Level 0dB fs Master Volume: 0 dB Center 1.40 1.10~1.70...

  • Page 36: Avr75 Mechanical Exploded View (120V And 230V)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75 MECHANICAL EXPLODED VIEW (120V AND 230V) AVR75/85 PAGE 32 - 1 of 2 AVR75/85 PAGE 32 - 2 of 2...
  • Page 37 AVR75/85 PAGE 32 - 1 of 2...
  • Page 38 AVR75/85 AVR75/85 PAGE 32 - 2 of 2...

  • Page 39: Avr75 Mechanical Parts List (120V & 230V)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75 MECHANICAL PARTS LIST (120V & 230V) Ref.# Part # Description Qty. Ref.# Part # Description Qty. 001B 260J248360 FRONT ALMI PANEL (BLACK) N 002G 264J105010 MAIN CHASSIS 001B 260J248350 FRONT ALMI PANEL (BLACK) U...
  • Page 40 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75 MECHANICAL PARTS LIST (120V &230V) continued Ref.# Part # Description Qty. Ref.# Part # Description Qty. Printed Circuit Boards 920G 95109111D0 FACTORY ID TSK LABEL 001L 288J267010 MAIN HEATSINK Part # PCB Type...

  • Page 41: Avr85 Mechanical Exploded View (120V And 230V)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR85 MECHANICAL EXPLODED VIEW (120V AND 230V) AVR75/85 PAGE 35 - 1 of 2 AVR75/85 PAGE 35 - 2 of 2...
  • Page 42 AVR75/85 PAGE 35 - 1 of 2...
  • Page 43 AVR75/85 AVR75/85 PAGE 35 - 2 of 2...

  • Page 44: Avr85 Mechanical Parts List (120V & 230V)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR85 MECHANICAL PARTS LIST (120V & 230V) Ref.# Part # Description Qty. Ref.# Part # Description Qty. 001B 260J248320 FRONT PANEL BLACK 120V 006G 227J056010 BUFFER, PEFU SHEET 260J248310 FRONT PANEL BLACK 230V...
  • Page 45 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR85 MECHANICAL PARTS LIST (120V & 230V) continued Ref.# Part # Description Qty. Ref.# Part # Description Qty. 915G 260J861010 LABEL, UL, CUL LABEL L001 TS60513110 POWER TRANSFORMER (120V) TS60513120 POWER TRANSFORMER (230V)

  • Page 46: Avr75/85 Electrical Parts Lists

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75/85 ELECTRICAL PARTS LISTS REF. N0. Part No. Description Qty. REF. N0. Part No. Description Qty. RB08 GD05103161 RESISTOR 10K OHM +- 5% 1/6W General Miscellaneous Transistor WB01 YB00182170 CONNECTIVE CORD EHR-3P JB09(PB04)-JY11(PY04)

  • Page 47: Pcb - Pw04, Headphone

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver REF. N0. Part No. Description Qty. REF. N0. Part No. Description Qty. PCB PU04, Front CC79 EA10601611 CAP 10UF 16V CC80 EJ10601611 CAP 10UF 16V Capacitors Integrated Circuits CU01, 09 DA17223111 CERAMIC CAP. 0.022UF TP050F223Z...

  • Page 48: Pcb - Pl94, Aux In

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver REF. N0. Part No. Description Qty. REF. N0. Part No. Description Qty. Integrated Circuit RU69 GD05104161 RESISTOR 100K OHM +- 5% 1/6W QL91 HC10008090 IC NJM4558DD DUAL OP-AMP Switches Resistors SU01, 02, 03, SP0101128X...

  • Page 49: Pcb - P734

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver REF. N0. Part No. Description Qty. REF. N0. Part No. Description Qty. PCB - P734 Integrated Circuit QW01 HC10016090 IC NJM4458D DUAL OP-AMP Miscellaneous Resistors YP06006931 CONNECTIVE PLUG UP 3P RH01 GD05331141 RESISTOR 330 OHM +- 5% 1/4W...

  • Page 50: Pcb - Pp04, Surround Amp

    RP21, 22 GA05100010 RESISTOR 10 OHM +- 5% 1W Q717, 718, 721, 722, RP23, 24 GD05221161 RESISTOR 220 OHM +- 5% 1/6W (AVR75/85 230V) QH10, 12, HT326322R0 “TRANSISTOR 2SC2632 (R,S)” Q719, 720 RP23, 23 GD05181161 RESISTOR 180 OHM +- 5% 1/6W...

  • Page 51: Pcb - P604 Ac-3/Dac

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver REF. N0. Part No. Description Qty. REF. N0. Part No. Description Qty. PCB - P604 AC-3/DAC CR10 DK9610320Y CERAMIC CAP. 0.01 UF +- 10% B 25V GR39 1 CR13, 14 DD9515030Y CERAMIC CAP. 15 PF +- 5% CG 50V GR39...

  • Page 52: Pcb - Pu94, Power Switch

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver REF. N0. Part No. Description Qty. REF. N0. Part No. Description Qty. R651, 654 NN0547261Y CHIP RESISTOR 4.7K OHM 1/16W RR07 NN0533361Y CHIP RESISTOR 33K OHM 1/16W R652 NN0510361Y CHIP RESISTOR 10K OHM 1/16W...
  • Page 53 PLUG B5P-VH 5P BASE POST 7A RN76, 77 NF0568114X FUSE RESISTOR 680 OHM G 1/4W J802 YP06003690 PLUG B6P-VH 6P BASE POST 7A (AVR75/85 230V) J803 YP06010950 PLUG B5P-VH 5P BASE POST 7A RN76, 77 NH0568114X FUSIBLE RESIST 680 OHM J 1/4W...

  • Page 54: Pcb - Ps04, Audio Funtion

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver REF. N0. Part No. Description Qty. REF. N0. Part No. Description Qty. Integrated Circuits QN01, 02, 51 HT322402A1 TRANSISTOR 2SC2240 OR BL QN03 HT109702A1 TRANSISTOR 2SA970 () OR (BL) TOSHIBA QS01, 02, 03 HC10008090...

  • Page 55: Pcb - Py04, Connect

    F760, 761, FS10160850 FUSE ! 1.6 A 250V BS LISTED CY16, 17 DD15560301 CERAMIC CAP. 56PF J CH 50V 762, 763 (AVR75/85 230V) F760, 761, FS10200350 FUSE ! 2A 125V UL, CSA, MITI TYPE FBT Diodes 762, 763 (AVR75/85 120V) DY01, 02, 03, HD20002001 “DIODE 1SS176, MA165, 1SS254 30V 0.1A”...

  • Page 56: Pcb - Pf04, Tone Control

    225, 226 C227 DF15391551 FILM CAP. 390 PF J (AVR75/85 230V) Integrated Circuits C227 DF15822351 FILM CAP. 8200 PF J 50V (AVR75/85 120V) QF01 HC10031090 IC QUAD OP. AMP NJM2058D C233, 234 DK18103311 CERAMIC CAP. 0.01UF Z 50V QF02, 03...

  • Page 57: Pcb - P104 Tuner (230V) Discrepency List

    RESISTOR 100 OHM J 1/6W F202 FF11070620 CERAMIC FILTER SFE10, 7MS3-A R202, 204 GD05471161 RESISTOR 470 OHM J 1/6W (AVR75/85 BOTH 120V & 230V) R202 GD05391161 RESISTOR 390 OHM J 1/6W J101 YT03030020 FM/AM ANT TERM.PAL TYPE EU 230V R205...

  • Page 58: Pcb - Pe04, Electronic Volume Control

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver REF. N0. Part No. Description Qty. REF. N0. Part No. Description Qty. Resistors Resistors R901 GD05333161 RESISTOR 33K OHM +- 5% 1/6W RE01, 02, 03, GD05104161 RESISTOR 100K OHM J 1/6W 04, 05, 06...

  • Page 59: Pcb - Pl54, S-Video

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver REF. N0. Part No. Description Qty. REF. N0. Part No. Description Qty. PCB - PL54, S-Video CX69 EA47601011 ELECT. CAP. 47UF/10V CX70 EJ47502511 ELECT. CAP. 4.7UF/25V CX72 DA17103111 CERAMIC CAP. 0.01UF M 16V...

  • Page 60: Avr78 & Avr85 Packing Exploded View

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR78 & AVR85 PACKING EXPLODED VIEW ANTENNA ADAPTER #AA113 2 AAA BATTERIES #1-01-102 AM LOOP ANTENNA #LA00055010 WARRANTY CARD #1119-047 SAFEGUARDS CARD WARRANTY SERVICE SHEET CAUTION FLY SHEET #256J851010 POLY BAG OWNER'S MANUAL...

  • Page 61: Voltage Amp Pcb - P714

    Harman Kardon AVR75/85 VOLTAGE AMP PCB - P714 Dolby Digital Audio/Video Receiver AVR75/85 PAGE 53 - 1 of 2 AVR75/85 PAGE 53 - 2 of 2...
  • Page 62 AVR75/85 PAGE 53 - 1 of 2...
  • Page 63 AVR75/85 AVR75/85 PAGE 53 - 2 of 2...

  • Page 64: Ac3/Dac Pcb - P604

    AC3/DAC PCB - P604 Dolby Digital Audio/Video Receiver Component Side Shown Here Solder Side Shown Here at 140% for added clarity at 140% for added clarity AVR75/85 PAGE 54 - 1 of 2 AVR75/85 PAGE 54 - 2 of 2...
  • Page 65 Component Side Shown Here at 140% for added clarity AVR75/85 PAGE 54 - 1 of 2...
  • Page 66 AVR75/85 wn Here Solder Side Shown Here rity at 140% for added clarity AVR75/85 PAGE 54 - 2 of 2...

  • Page 67: Main Pcb -P704

    Harman Kardon AVR75/85 MAIN PCB -P704 Dolby Digital Audio/Video Receiver AVR75/85 PAGE 55 - 1 of 2 AVR75/85 PAGE 55 - 2 of 2...
  • Page 68 AVR75/85 PAGE 55 - 1 of 2...
  • Page 69 AVR75/85 AVR75/85 PAGE 55 - 2 of 2...
  • Page 70 Dolby Digital Audio/Video Receiver AUDIO FUNCTION PCB - PS04 AUDIO/VIDEO PCB - PS54 AC-3 CROSSOVER AC-3 CROSSOVER PCB - PC04 PCB - PC04 ELECTRONIC VOLUME CONTROL PCB - PE04 AVR75/85 PAGE 56 - 2 of 2 AVR75/85 PAGE 56 - 1 of 2...

  • Page 71: Audio Function Pcb - Ps04

    AUDIO FUNCTION PCB - PS04 AUDIO/VIDEO PCB - PS54 AC-3 CROSSOVER AC-3 CROSSOVER AC-3 CROSSOVER PCB - PC04 PCB - PC04 PCB - PC04 AVR75/85 PAGE 56 - 1 of 2...
  • Page 72 AVR75/85 AUDIO FUNCTION PCB - PS04 AUDIO/VIDEO PCB - PS54 OSSOVER O SSOVER OSSOVER ELECTRONIC VOLUME CONTROL PCB - PE04 AVR75/85 PAGE 56 - 2 of 2...

  • Page 73: Speaker Terminal Pcb - P754

    Harman Kardon AVR75/85 SPEAKER TERMINAL PCB - P754, VIDEO SELECTOR PCB - PL04, CONNECT PCB - PY04 Dolby Digital Audio/Video Receiver AVR75/85 PAGE 57 - 1 of 2 SPEAKER TERMINAL CONNECT PCB - PY04 PCB - P754 VIDEO SELECTOR PCB - PL04...

  • Page 74: Connect Pcb - Py04

    AVR75/85 PAGE 57 - 1 of 2 CONNECT PCB - PY04...
  • Page 75 AVR75/85 SPEAKER TERMINAL PCB - P754 VIDEO SELECTOR PCB - PL04 AVR75/85 PAGE 57 - 2 of 2...
  • Page 76 S-VIDEO PCB - PL54 for 120V AVR85 ONLY TUNER PCB - P104 for 120V STANDBY SURROUND PCB - PB04 PCB - PP04 for 120V for 120V AVR75/85 PAGE 58 - 1 of 2 AVR75/85 PAGE 58 - 2 of 2...

  • Page 77: Standby Pcb - Pb04

    S-VIDEO PCB - PL54 for 120V AVR85 ONLY STANDBY PCB - PB04 for 120V AVR75/85 PAGE 58 - 1 of 2...

  • Page 78: Surround Amp Pcb - Pp04, 230V

    AVR75/85 TUNER PCB - P104 for 120V SURROUND PCB - PP04 for 120V AVR75/85 PAGE 58 - 2 of 2...
  • Page 79 S-VIDEO PCB - PL54 for 230V AVR85 ONLY TUNER PCB - P104 for 230V STANDBY SURROUND PCB - PB04 PCB - PP04 for 230V for 230V AVR75/85 PAGE 59 - 1 of 2 AVR75/85 PAGE 59 - 2 of 2...
  • Page 80 S-VIDEO PCB - PL54 for 230V AVR85 ONLY STANDBY PCB - PB04 for 230V AVR75/85 PAGE 59 - 1 of 2...
  • Page 81 AVR75/85 TUNER PCB - P104 for 230V SURROUND PCB - PP04 for 230V AVR75/85 PAGE 59 - 2 of 2...
  • Page 82 Dolby Digital Audio/Video Receiver SPEAKER POWER SWITCH PCB - PU94 PROTECT PCB - PN54 AUX IN PCB - PL94 TONE COLNTROL PCB - PF04 MASTER VOLUME PCB - PU54 AVR75/85 PAGE 60 - 1 of 2 AVR75/85 PAGE 60 - 2 of 2...

  • Page 83: Master Volume Pcb - Pu54

    SPEAKER PROTECT PCB - PN54 AUX IN PCB - PL94 TONE COLNTROL PCB - PF04 MASTER VOLUME PCB - PU54 AVR75/85 PAGE 60 - 1 of 2...

  • Page 84: Power Switch Pcb - Pu94

    AVR75/85 POWER SWITCH PCB - PU94 TER VOLUME PCB - PU54 AVR75/85 PAGE 60 - 2 of 2...

  • Page 85: Integrated Circuit Diagrams 1

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver INTEGRATED CIRCUIT DIAGRAMS 1 QX60: LC74760 LC74760 Serial 8-bit Latch Command Parallel Decoder Converter SCLK Horizontal Vertical Horizontal Vertical Flashing/ Display Character Character Display Display Reversal Write Control Size Size Position Position Control...

  • Page 86: Integrated Circuit Diagrams

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver INTEGRATED CIRCUIT DIAGRAMS 2 Q601: YSS243 AC-3 DECODER TESTI11 OPORT6 SDI (Serial Data Input) Interface TESTI12 OPORT7 MUTE TESTI13 DVSS AC3DATA TESTI14 DVSS KARAOKE TESTI15 SDIWCK TESTI16 SDIBCK TESTI17 SDI0 TESTI18 SDI1 Input Buffer...
  • Page 87 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver INTEGRATED CIRCUIT DIAGRAMS 3 QD01, QD31, QD51: TDA1305T D/A CONVERTER PINNING SYMBOL DESCRIPTION analog supply voltage analog ground TEST1 test input; pin should be connected Q651: SUB CPU (AC-3 DSP) to ground (internal pull-down...
  • Page 88 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver INTEGRATED CIRCUIT DIAGRAMS 4 Q602: YSS241 PRO LOGIC DECODER /CRS Delay RAM TEST25 I2CCL Microprocessor 64FS TEST24 Interface Interface I2CDA LRCK TEST23 256FS TEST22 /I2CSEL TEST21 TEST20 MODE1,0 TEST19 I2SWS /I2CSEL TEST18 Main...
  • Page 89 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver INTEGRATED CIRCUIT DIAGRAMS 5 QM09: PM4007A QPSK Input SYNC RF DEMODULATOR CPIN Detection- Demoduration Safeguard A(14:0) CMIN SRAM Address DOUT DB(7:0) 32K x 8 DOUTB Timing PDDIS 46.08 MHz Oscillator 46.08 MHz C2F1...
  • Page 90 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver INTEGRATED CIRCUIT DIAGRAMS 6 KEY IN CIN4 K5 KEY IN (K5) QU01: TMP87CP71F KEY IN CIN3 K4 KEY IN (K4) MICROPROCESSOR KEY IN CIN2 K3 KEY IN (K3) KEY IN CIN1 K2 KEY IN (K2)
  • Page 91 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver INTEGRATED CIRCUIT DIAGRAMS 7 QS57 - LC78212 ANALOG SWITCH Q511, Q556 - LC78211 ANALOG SWITCH RCOM1 LCOM1 LCOM1 RCOM1 LCOM2 LCOM2 RCOM2 RCOM2 LCOM3 LCOM3 RCOM3 RCOM3 Level Shift Level Shift Latch Latch...
  • Page 92 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver INTEGRATED CIRCUIT DIAGRAMS 8 QC11 - NJU7311L ANALOG SWITCH QM10 - 8X32 SRAM Q652 - 74HC541 V EE V DD 3-STATE BUFFER/ LINE DRIVER V CC L-COM1 R-COM1 L-COM2 R-COM2 L-COM3 I/O 7...
  • Page 93 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver INTEGRATED CIRCUIT DIAGRAMS 9 QL01, QL51, QL52 - LC7824 ANALOG SWITCH QN84 - TA7317P OVERLOAD PROTECTOR COM3 COM2 LCOM1 Level Shift Shift Register Latch Control Q902 - LC7073 RDS ERROR MODULATOR CD.S.CONTROL SERIAL/PARALLEL...
  • Page 94 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver INTEGRATED CIRCUIT DIAGRAMS 10 QX63 - NJM2267D VIDEO AMP Q603 - HM62H256AJ-15T 32Kx8 HIGH SPEED CMOS STATIC RAM V CC 6.2dB Driver 256x256 DECODER MEMORY 2.2KW ARRAY 2.07KW 6.2dB Driver COLUMN I/O 2.2KW...
  • Page 95 Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver INTEGRATED CIRCUIT DIAGRAMS 11 Q901 - LA2232 RDS MODULATOR 22 21 ARI-DK DET V CC D-PLL BI-PHASE DEMOD. LEVEL CLOCK LOGIC -DET RECOVERY DIFF. DECODE DATA E-OR LOGIC SK-ADJ. LEVEL-DET RDS-ID DK-ID SK-ID...

  • Page 96: Avr75/85 Wiring Diagram (120V & 230V)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75/85 WIRING DIAGRAM (120V & 230V) AVR75/85 120V and 230V Wiring Connection...

  • Page 97: Avr75 (120V) Schematic Diagram 1 Of 8 (Front Pcb Pu04, Master Volume Pcb Pu54, Aux In Pl94)

    AVR75 (120V) SCHEMATIC DIAGRAM 1 of 8 (FRONT PCB PU04, MASTER VOLUME PCB PU54, AUX IN PL94) FROM JB04 (PB04) 20.3 21.0 AVR75 US 120V Schematic 1 of 8 TEST VOLTAGES SHOWN IN RED AVR75/85 PAGE 73 - 1 of 2 AVR75/85 PAGE 73 - 2 of 2...
  • Page 98 20.3 21.0 AVR75/85 PAGE 73 - 1 of 2...
  • Page 99 AVR75/85 FROM JB04 (PB04) 20.3 21.0 AVR75 US 120V Schematic 1 of 8 TEST VOLTAGES SHOWN IN RED AVR75/85 PAGE 73 - 2 of 2...

  • Page 100: Avr75 (120V) Schematic Diagram 2 Of 8 (Tuner Pcb P104)

    Dolby Digital Audio/Video Receiver AVR75 (120V) SCHEMATIC DIAGRAM 2 of 8 (TUNER PCB P104) 14.2 13.3 AVR75 US 120V Schematic 2 of 8 TEST VOLTAGES SHOWN IN RED AVR75/85 PAGE 74 - 1 of 2 AVR75/85 PAGE 74 - 2 of 2...
  • Page 101 13.3 AVR75/85 PAGE 74 - 1 of 2...
  • Page 102 AVR75/85 14.2 AVR75 US 120V Schematic 2 of 8 TEST VOLTAGES SHOWN IN RED AVR75/85 PAGE 74 - 2 of 2...

  • Page 103: Avr75 (120V) Schematic Diagram 3 Of 8 (Audio Selector Pcb Ps04, Audio/Video Pcb Ps54)

    0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 AVR75 US 120V Schematic 3 of 8 TEST VOLTAGES SHOWN IN RED AVR75/85 PAGE 75 - 1 of 2 AVR75/85 PAGE 75 - 2 of 2...
  • Page 104 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 AVR75/85 PAGE 75 - 1 of 2...
  • Page 105 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 AVR75 US 120V Schematic 3 of 8 TEST VOLTAGES SHOWN IN RED AVR75/85 PAGE 75 - 2 of 2...

  • Page 106: Avr75 (120V) Schematic Diagram 4 Of

    Dolby Digital Audio/Video Receiver AVR75 (120V) SCHEMATIC DIAGRAM 4 of 8 (AC-3 CROSSOVER PCB PC04, TONE CONTROL PCB PF04, VIDEO SELECTOR PCB PL04, S-VIDEO PCB PL54) AVR75/85 PAGE 76 - 1 of 4 AVR75/85 PAGE 76 - 2 of 4...
  • Page 107 AVR75/85 PAGE 76 - 1 of 4 AVR75 US 120V Schematic 4 of 8 TEST VOLTAGES SHOWN IN RED 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...
  • Page 108 AVR75/85 AVR75/85 PAGE 76 - 2 of 4 0 0 0 0 0 0...
  • Page 109 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 AVR75/85 PAGE 76 - 3 of 4...
  • Page 110 0 0 0 0 0 0 AVR75/85 PAGE 76 - 4 of 4...

  • Page 111: Avr75 (120V) Schematic Diagram 5 Of 8 (Connect Pcb Py04)

    Schematic 5 of 8 TEST VOLTAGES ARE SHOWN IN RED 14.4 -13.3 0 0 0 0 0 0 0 0 0 0 -13.3 -14.7V -13.3 -13.3 AVR75/85 PAGE 77 - 1 of 2 AVR75/85 PAGE 77 - 2 of 2...
  • Page 112 AVR75 US 120V Schematic 5 of 8 TEST VOLTAGES ARE SHOWN IN RED -13.3 0 0 0 0 0 0 0 -13.3 -13.3 -13.3 AVR75/85 PAGE 77 - 1 of 2...
  • Page 113 AVR75/85 14.4 0 0 0 0 0 0 0 0 0 0 -14.7V AVR75/85 PAGE 77 - 2 of 2...

  • Page 114: Avr75 (120V) Schematic Diagram 6 Of 8 (Voltage Amp Pcb - P714, Main Pcb - P704, Surround Amp Pcb - Pp04

    AVR75 (120V) SCHEMATIC DIAGRAM 6 of 8 (VOLTAGE AMP PCB - P714, MAIN PCB - P704, SURROUND AMP PCB - PP04, SPEAKER TERMINAL PCB - P754, HEADPHONE PCB - PW04, SPEAKER PROTECT PCB - PN54, STANDBY PCB - PB04, POWER SWITCH PCB - PU94) AVR75/85 PAGE 78 - 1 of 4 AVR75/85 PAGE 78 - 2 of 4 +44.3...
  • Page 115 AVR75/85 PAGE 78 - 1 of 4 15.0 42.1 42.1 41.4 40.8 43.2 41.5 42.5 -15.0 -0.6 -0.6 -1.0 -0.6 -40.2 -1.2 -0.6 -1.2 -42.3 -1.2 -42.3 -1.3 -42.0 -43.0 -43.0 -43.0 -0.6 43.2 42.1 40.8 42.1 41.4 43.2 41.5 42.5...
  • Page 116 AVR75/85 AVR75/85 PAGE 78 - 2 of 4 +44.3 +43.3 -0.1 43.2 +44.3V 42.5 -44.1V 43.4 +44.3 -41.8 -0.1 -0.6 -0.6 -42.3 0.6 0.7 -43.0 -43.0 43.2 43.2 42.5 43.4 -0.6 -0.6 -42.3 -43.0 14.0 -43.0 43.2 43.2...
  • Page 117 -43.0 -0.7 -43.0 -0.6 -5.2 -5.2 -41.3 -42.0 -7.4 -0.6 21.3 15.1 AC 17.0 21.6 AC 8.1 AC 8.1 AC 18.0 -15.1 -21.3 -25.0 19.6 -25.0 -39.8 -33.8 21.5 -4.9 -10.0 19.9 19.9 AVR75/85 PAGE 78 - 3 of 4...
  • Page 118 -0.6 21.6 -42.3 20.8 -43.0 -43.0 21.5 15.1 43.4 21.6 21.4 -15.1 42.7 -0.4 -7.4 43.2 44.3 -43.0 -44.1 -26.2 -4.9 AVR75 US 120V Schematic 6 of 8 TEST VOLTAGES SHOWN IN RED AVR75/85 PAGE 78 - 4 of 4...

  • Page 119: Avr75 (120V) Schematic Diagram 7 Of 8 (Electronic Volume Pcb - Pe04)

    AVR75 (120V) SCHEMATIC DIAGRAM 7 of 8 (ELECTRONIC VOLUME PCB - PE04) 0 0 0 10.6 10.6 JP01 10.6 (PP04) -14.8 -14.0 AVR75 US 120V Schematic 7 of 8 TEST VOLTAGES SHOWN IN RED AVR75/85 PAGE 79 - 1 of 2 AVR75/85 PAGE 79 - 2 of 2...
  • Page 120 AVR75/85 PAGE 79 - 1 of 2...
  • Page 121 AVR75/85 0 0 0 10.6 10.6 JP01 10.6 (PP04) -14.8 -14.0 AVR75 US 120V Schematic 7 of 8 TEST VOLTAGES SHOWN IN RED AVR75/85 PAGE 79 - 2 of 2...

  • Page 122: Avr75 (120V/230V) Schematic Diagram 8 Of 8 (Ac-3/Dsp Pcb - P604)

    0 0 0 0 0 0 -0.3 -1.0 AVR75 US 120V & European 230V Schematic 8 of 8 CA-3 DSP ASSY TEST VOLTAGES SHOWN IN RED AVR75/85 PAGE 80 - 1 of 2 AVR75/85 PAGE 80 - 2 of 2...
  • Page 123 DEMODULATOR 0 0 0 0 0 0 -0.3 -1.0 AVR75 US 120 Schematic 8 of CA-3 DSP ASS TEST VOLTAGES SHO AVR75/85 PAGE 80 - 1 of 2...
  • Page 124 AVR75/85 DEMODULATOR AVR75 US 120V & European 230V Schematic 8 of 8 CA-3 DSP ASSY TEST VOLTAGES SHOWN IN RED AVR75/85 PAGE 80 - 2 of 2...

  • Page 125: Avr75 (230V) Schematic Diagram 1 Of 7 (Front Pcb - Pu04, Master Volume Pcb - Pu54, Aux In - Pl94)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75 (230V) SCHEMATIC DIAGRAM 1 of 7 (FRONT PCB - PU04, MASTER VOLUME PCB - PU54, AUX IN - PL94) AVR75 European 230V Schematic 1 of 7...
  • Page 127 AVR75/85 AVR75 European 230V Schematic 1 of 7...

  • Page 128: Avr75 (230V) Schematic Diagram 2 Of 7 (Tuner Pcb - P104)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75 (230V) SCHEMATIC DIAGRAM 2 of 7 (TUNER PCB - P104) AVR75 European 230V Schematic 2 of 7 AVR75/85 PAGE 82 - 1 of 2 AVR75/85 PAGE 82 - 2 of 2...
  • Page 129 AVR75/85 PAGE 82 - 1 of 2...
  • Page 130 AVR75/85 AVR75 European 230V Schematic 2 of 7 AVR75/85 PAGE 82 - 2 of 2...

  • Page 131: Avr75 (230V) Schematic Diagram 3 Of 7 (Audio Selector Pcb - Ps04, Audio/Video Pcb - Ps54)

    Dolby Digital Audio/Video Receiver AVR75 (230V) SCHEMATIC DIAGRAM 3 of 7 (AUDIO SELECTOR PCB - PS04, AUDIO/VIDEO PCB - PS54) AVR75 European 230V Schematic 3 of 7 AVR75/85 PAGE 83 - 1 of 2 AVR75/85 PAGE 83 - 2 of 2...
  • Page 132 AVR75/85 PAGE 83 - 1 of 2...
  • Page 133 AVR75/85 AVR75 European 230V Schematic 3 of 7 AVR75/85 PAGE 83 - 2 of 2...

  • Page 134: Avr75 (230V) Schematic Diagram 4 Of

    AVR75 (230V) SCHEMATIC DIAGRAM 4 of 7 (AC-3 CROSSOVER PCB - PC04, TONE CONTROL PCB - PF04, VIDEO SELECTOR PCB - PL04, S-VIDEO PCB - PL54) AVR75/85 PAGE 84 - 1 of 4 AVR75/85 PAGE 84 - 2 of 4...
  • Page 135 AVR75/85 PAGE 84 - 1 of 4 AVR75 European 230V Schematic 4 of 7...
  • Page 136 AVR75/85 AVR75/85 PAGE 84 - 2 of 4...
  • Page 137 AVR75/85 PAGE 84 - 3 of 4...
  • Page 138 AVR75/85 PAGE 84 - 3 of 4...

  • Page 139: Avr75 (230V) Schematic Diagram 5 Of 7 (Connect Pcb Py04)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75 (230V) SCHEMATIC DIAGRAM 5 of 7 (CONNECT PCB PY04) AVR75 European 230V Schematic 5 of 7 AVR75/85 PAGE 85 - 1 of 2 AVR75/85 PAGE 85 - 2 of 2...
  • Page 140 AVR75 European 230V Schematic 5 of 7 AVR75/85 PAGE 85 - 1 of 2...
  • Page 141 AVR75/85 AVR75/85 PAGE 85 - 2 of 2...

  • Page 142: Avr75 (230V) Schematic Diagram 6 Of

    AVR75 (230V) SCHEMATIC DIAGRAM 6 of 7 (VOLTAGE AMP PCB - P714, MAIN PCB - P704, SURROUND AMP PCB - PP04, SPEAKER TERMINAL - P754, HEADPHONE PCB - PW04, SPEAKER PROTECT PCB - PN54, STANDBY PCB - PB04, POWER SWITCH PCB - PU94) AVR75/85 PAGE 86 - 1 of 4...
  • Page 143 AVR75/85 PAGE 86 - 1 of 4...
  • Page 144 AVR75/85 AVR75/85 PAGE 86 - 2 of 4...
  • Page 145 AVR75/85 PAGE 86 - 3 of 4...
  • Page 146 AVR75 European 230V Schematic 6 of 7 AVR75/85 PAGE 86 - 4 of 4...

  • Page 147: Avr75 (230V) Schematic Diagram 7 Of 7 Electronic Volume Control Pcb, Pe04

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR75 (230V) SCHEMATIC DIAGRAM 7 of 7 ELECTRONIC VOLUME CONTROL PCB, PE04 AVR75 European 230V Schematic 7 of 7 AVR75/85 PAGE 87 - 1 of 2 AVR75/85 PAGE 87 - 2 of 2...
  • Page 148 AVR75/85 PAGE 87 - 1 of 2...
  • Page 149 AVR75/85 AVR75 European 230V Schematic 7 of 7 AVR75/85 PAGE 87 - 2 of 2...

  • Page 150: Avr85 (120V) Schematic Diagram 1 Of 8 (Front Pcb - Pu04, Master Volume Pcb - Pu54, Aux In - Pl94)

    AVR75/85 Dolby Digital Audio/Video Receiver AVR85 (120V) SCHEMATIC DIAGRAM 1 of 8 (FRONT PCB - PU04, MASTER VOLUME PCB - PU54, AUX IN - PL94) AVR75/85 PAGE 88 - 1 of 2 AVR85 US 120V Schematic 1 of 8 AVR75/85 PAGE 88 - 2 of 2...
  • Page 151 AVR75/85 PAGE 88 - 1 of 2...
  • Page 152 AVR75/85 AVR85 US 120V Schematic 1 of 8 AVR75/85 PAGE 88 - 2 of 2...

  • Page 153: Avr85 (120V) Schematic Diagram 2 Of 8 (Tuner Pcb - P104)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR85 (120V) SCHEMATIC DIAGRAM 2 of 8 (TUNER PCB - P104) AVR85 US 120V Schematic 2 of 8 AVR75/85 PAGE 89 - 1 of 2 AVR75/85 PAGE 89 - 2 of 2...
  • Page 154 AVR75/85 PAGE 89 - 1 of 2...
  • Page 155 AVR75/85 AVR85 US 120V Schematic 2 of 8 AVR75/85 PAGE 89 - 2 of 2...

  • Page 156: Avr85 (120V) Schematic Diagram 3 Of 8 (Audio Selector Pcb - Ps04, Audio/Video Pcb - Ps54)

    Dolby Digital Audio/Video Receiver AVR85 (120V) SCHEMATIC DIAGRAM 3 of 8 (AUDIO SELECTOR PCB - PS04, AUDIO/VIDEO PCB - PS54) AVR85 US 120V Schematic 3 of 8 AVR75/85 PAGE 90 - 1 of 2 AVR75/85 PAGE 90 - 2 of 2...
  • Page 157 AVR75/85 PAGE 90 - 1 of 2...
  • Page 158 AVR75/85 AVR85 US 120V Schematic 3 of 8 AVR75/85 PAGE 90 - 2 of 2...

  • Page 159: Avr85 (120V) Schematic Diagram 4 Of

    AVR85 (120V) SCHEMATIC DIAGRAM 4 of 8 (AC-3 CROSSOVER PCB - PC04, TONE CONTROL PCB - PF04, VIDEO SELECTOR PCB - PL04, S-VIDEO PCB - PL54) AVR75/85 PAGE 91 - 1 of 4 AVR75/85 PAGE 91 - 2 of 4...
  • Page 160 AVR75/85 PAGE 91 - 1 of 4 AVR85 US 120V Schematic 4 of 8...
  • Page 161 AVR75/85 AVR75/85 PAGE 91 - 2 of 4...
  • Page 162 AVR75/85 PAGE 91 - 3 of 4...
  • Page 163 AVR75/85 PAGE 91 - 4 of 4...

  • Page 164: Avr85 (120V) Schematic Diagram 5 Of 8 (Connect Pcb - Py04)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR85 (120V) SCHEMATIC DIAGRAM 5 of 8 (CONNECT PCB - PY04) AVR85 US 120V Schematic 5 of 8 AVR75/85 PAGE 92 - 1 of 2 AVR75/85 PAGE 92 - 2 of 2...
  • Page 165 AVR85 US 120V Schematic 5 of 8 AVR75/85 PAGE 92 - 1 of 2...
  • Page 166 AVR75/85 AVR75/85 PAGE 92 - 2 of 2...
  • Page 167 AVR85 (120V) SCHEMATIC DIAGRAM 6 of 8 (VOLTAGE AMP PCB - P714, MAIN PCB - P704, SURROUND AMP PCB - PP04, SPEAKER TERMINAL - P754, HEADPHONE PCB - PW04, SPEAKER PROTECT PCB - PN54, STANDBY PCB - PB04, POWER SWITCH PCB - PU94) AVR75/85 PAGE 93 - 1 of 4 AVR75/85 PAGE 93 - 2 of 4...
  • Page 168 AVR75/85 PAGE 93 - 1 of 4...
  • Page 169 AVR75/85 AVR75/85 PAGE 93 - 2 of 4...
  • Page 170 AVR75/85 PAGE 93 - 3 of 4...
  • Page 171 AVR85 US 120V Schematic 6 of 8 AVR75/85 PAGE 93 - 4 of 4...

  • Page 172: Avr85 (120V) Schematic Diagram 7 Of 8 (Electronic Volume Pcb - Pe04)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR85 (120V) SCHEMATIC DIAGRAM 7 of 8 (ELECTRONIC VOLUME PCB - PE04) AVR85 US 120V Schematic 7 of 8 AVR75/85 PAGE 94 - 1 of 2 AVR75/85 PAGE 94 - 2 of 2...
  • Page 173 AVR85 US 120V Schematic 7 of 8 AVR75/85 PAGE 94 - 1 of 2...
  • Page 174 AVR75/85 AVR75/85 PAGE 94 - 2 of 2...

  • Page 175: Avr85 (120V & 230V) Schematic Diagram 8 Of 8 (Avr85 Dsp Board - P604)

    AVR75/85 Dolby Digital Audio/Video Receiver AVR85 (120V & 230v) SCHEMATIC DIAGRAM 8 of 8 (AVR85 DSP BOARD - P604) AVR75/85 PAGE 95 - 1 of 4 AVR75/85 PAGE 95 - 2 of 4 AVR85 US 120V Schematic 8 of 8...
  • Page 176 AVR75/85 PAGE 95 - 1 of 4 AC-3 RF DEMODULATOR...
  • Page 177 AVR75/85 AVR75/85 PAGE 95 - 2 of 4 AVR85 US 120V Schematic 8 of 8...
  • Page 178 AVR75/85 PAGE 95 - 3 of 4...
  • Page 179 AVR75/85 PAGE 95 - 4 of 4...

  • Page 180: Avr85 (230V) Schematic Diagram 1 Of 8 (Front Pcb - Pu04, Master Volume Pcb - Pu54, Aux In - Pl94)

    AVR75/85 Dolby Digital Audio/Video Receiver AVR85 (230V) SCHEMATIC DIAGRAM 1 of 8 (FRONT PCB - PU04, MASTER VOLUME PCB - PU54, AUX IN - PL94) AVR75/85 PAGE 96 - 1 of 2 AVR85 European 230V Schematic 1 of 8 AVR75/85 PAGE 96 - 2 of 2...
  • Page 181 AVR75/85 PAGE 96 - 1 of 2...
  • Page 182 AVR75/85 AVR85 European 230V Schematic 1 of 8 AVR75/85 PAGE 96 - 2 of 2...

  • Page 183: Avr85 (230V) Schematic Diagram 2 Of 8 (Tuner Pcb - P104)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR85 (230V) SCHEMATIC DIAGRAM 2 of 8 (TUNER PCB - P104) AVR85 European 230V Schematic 2 of 8 AVR75/85 PAGE 97 - 1 of 2 AVR75/85 PAGE 97 - 2 of 2...
  • Page 184 AVR8 Schem AVR75/85 PAGE 97 - 1 of 2...
  • Page 185 AVR75/85 AVR85 European 230V Schematic 2 of 8 AVR75/85 PAGE 97 - 2 of 2...

  • Page 186: Avr85 (230V) Schematic Diagram 3 Of 8 (Audio Selector Pcb - Ps04, Audio/Video Pcb Ps54)

    Dolby Digital Audio/Video Receiver AVR85 (230V) SCHEMATIC DIAGRAM 3 of 8 (AUDIO SELECTOR PCB - PS04, AUDIO/VIDEO PCB PS54) AVR85 European 230V Schematic 3 of 8 AVR75/85 PAGE 98 - 1 of 2 AVR75/85 PAGE 98 - 2 of 2...
  • Page 187 AVR75/85 PAGE 98 - 1 of 2...
  • Page 188 AVR75/85 AVR85 European 230V Schematic 3 of 8 AVR75/85 PAGE 98 - 2 of 2...

  • Page 189: Avr85 (230V) Schematic Diagram 4 Of

    Dolby Digital Audio/Video Receiver AVR85 (230V) SCHEMATIC DIAGRAM 4 of 8 (AC-3 CROSSOVER PCB - PC04, TONE CONTROL PCB - PF04, VIDEO SELECTOR PCB - PL04, S-VIDEO PCB PL54) AVR75/85 PAGE 99 - 1 of 4 AVR75/85 PAGE 99 - 2 of 4...
  • Page 190 AVR75/85 PAGE 99 - 1 of 4 AVR85 European 230V Schematic 4 of 8...
  • Page 191 AVR75/85 AVR75/85 PAGE 99 - 2 of 4...
  • Page 192 AVR75/85 PAGE 99 - 3 of 4...
  • Page 193 AVR75/85 PAGE 99 - 4 of 4...

  • Page 194: Avr85 (230V) Schematic Diagram 5 Of 8 (Connect Pcb Py04)

    Harman Kardon AVR75/85 Dolby Digital Audio/Video Receiver AVR85 (230V) SCHEMATIC DIAGRAM 5 of 8 (CONNECT PCB PY04) AVR85 European 230V Schematic 5 of 8 AVR75/85 PAGE 100 - 1 of 2 AVR75/85 PAGE 100 - 2 of 2 1 0 0...
  • Page 195 AVR85 European 230V Schematic 5 of 8 AVR75/85 PAGE 100 - 1 of 2...
  • Page 196 AVR75/85 AVR75/85 PAGE 100 - 2 of 2...

  • Page 197: Avr85 (230V) Schematic Diagram 6 Of

    AVR85 (230V) SCHEMATIC DIAGRAM 6 of 8 (VOLTAGE AMP PCB - P714, MAIN PCB - P704, SURROUND AMP PCB - PP04, SPEAKER TERMINAL - P754, HEADPHONE PCB - PW04, SPEAKER PROTECT PCB - PN54, STANDBY PCB - PB04, POWER SWITCH PCB - PU94) AVR75/85 PAGE 101 - 1 of 4 AVR75/85 PAGE 101 - 2 of 4...
  • Page 198 AVR75/85 PAGE 101 - 1 of 4...
  • Page 199 AVR75/85 AVR75/85 PAGE 101 - 2 of 4...
  • Page 200 AVR75/85 PAGE 101 - 3 of 4...
  • Page 201 AVR85 European 230V Schematic 6 of 8 AVR75/85 PAGE 101 - 4 of 4...
  • Page 203 AVR75/85 PAGE 102 - 1 of 2...
  • Page 204 AVR75/85 AVR85 European 230V Schematic 7 of 8 AVR75/85 PAGE 102 - 2 of 2...

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