Read Harman Kardon AVR 75 (serv.man2) Service Manual online
2
Harman Kardon
Dolby Digital Audio/Video Receiver
AVR75/85
TABLE OF CONTENTS
ELECTROSTATICALLY SENSITIVE (ES) DEVISES ....4
LEAKAGE TEST ............................................................4
AVR75 & AVR85 FRONT PANEL CONTROLS.............5
AVR75 & AVR85 FRONT PANEL DISPLAY
INFORMATION ..........................................................7
AVR75 & AVR85 REMOTE CONTROL INFO ...............9
AVR75 & AVR85 REAR PANEL CONNECTIONS .......12
Service Bulletin #9705 for AVR85.................................14
SERVICE AND ADJUSTMENT .....................................16
ALIGNMENT AND TEST POINTS.................................20
AVR75/85 BLOCK DIAGRAM........................................22
SPECIFICATIONS..........................................................23
AVR75 MECHANICAL EXPLODED VIEW
(120V AND 230V).....................................................32
AVR75 MECHANICAL PARTS LIST (120V & 230V) ...33
AVR85 MECHANICAL EXPLODED VIEW
(120V AND 230V).....................................................35
AVR85 MECHANICAL PARTS LIST (120V & 230V) ...36
AVR75/85 ELECTRICAL PARTS LISTS .......................38
GENERAL MISCELLANEOUS .................................38
PCB - PB04, Standby...............................................38
PCB - PC04, AC-3 Crossover..................................38
PCB - PW04, Headphone ........................................39
PCB PU04, Front......................................................39
PCB - PL94, Aux In..................................................40
PCB -PU54, Master Volume ....................................40
PCB - P724 ............................................................40
PCB - P734 ............................................................41
PCB - P744 ...........................................................41
PCB - P714, Voltage Amp .......................................41
PCB - PP04, Surround Amp ....................................42
PCB - PN54, Speaker Protect..................................42
PCB - P604 AC-3/DAC ............................................43
PCB - PU94, Power Switch......................................44
PCB - P704, Main.....................................................44
PCB - PS04, Audio Funtion .....................................46
PCB - P754, Speaker Terminal................................46
PCB - PS54, Audio Video ........................................46
PCB - PY04, Connect ..............................................47
PCB - PF04, Tone Control.......................................48
PCB - P104, Tuner...................................................48
PCB - P104 Tuner (230v) Discrepency List ............49
PCB - PE04, Electronic Volume Control..................50
PCB - PL54, S-Video ...............................................51
PCB - PL04, Video Selector.....................................51
AVR78 & AVR85 PACKING EXPLODED VIEW...........52
VOLTAGE AMP PCB - P714.........................................53
AC3/DAC PCB - P604 ...................................................54
MAIN PCB -P704 ...........................................................55
AUDIO FUNCTION PCB - PS04,
AUDIO/VIDEO PCB - PS54,
ELECTRONIC VOLUME CONTROL PCB - PE04,
AC-3 CROSSOVER PCB - PC04..................................56
SPEAKER TERMINAL PCB - P754,
VIDEO SELECTOR PCB - PL04,
CONNECT PCB - PY04.................................................57
S-VIDEO PCB - PL54, 120V
TUNER PCB - P104, 120V
STANDBY PCB - PB04, 120V
SURROUND AMP PCB - PP04, 120V..........................58
S-VIDEO PCB - PL54, 230V
TUNER PCB - P104, 230V
STANDBY PCB - PB04, 230
SURROUND AMP PCB - PP04, 230V..........................59
FRONT PCB - PU04,
S-VIDEO PCB - PL54, AVR85 ONLY
MASTER VOLUME PCB - PU54,
SPEAKER PROTECT PCB - PN54,
TONE CONTROL PCB - PF04,
AUX IN PCB - PL94,
POWER SWITCH PCB - PU94,
HEADPHONE PCB - PW04...........................................60
INTEGRATED CIRCUIT DIAGRAMS ........................61-71
AVR75/85 WIRING DIAGRAM (120V & 230V).............72
AVR75 (120V) SCHEMATIC DIAGRAM 1 of 8
(FRONT PCB PU04,
MASTER VOLUME PCB PU54,
AUX IN PL94) ................................................................73
AVR75 (120V) SCHEMATIC DIAGRAM 2 of 8
(TUNER PCB P104) ......................................................74
AVR75 (120V) SCHEMATIC DIAGRAM 3 of 8
(AUDIO SELECTOR PCB PS04,
AUDIO/VIDEO PCB PS54) ............................................75
AVR75 (120V) SCHEMATIC DIAGRAM 4 of 8
(AC-3 CROSSOVER PCB PC04,
TONE CONTROL PCB PF04,
VIDEO SELECTOR PCB PL04,
S-VIDEO PCB PL54) .....................................................76
AVR75 (120V) SCHEMATIC DIAGRAM 5 of 8
(CONNECT PCB PY04).................................................77
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