Harman Kardon AVR45 Service Manual Download Page 10

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step

Input Signal Source

Connection

Signal

Frequency

Source Signal Output Level and

Modulation

Reception

Frequency

Adjustment

Point

Adjustment

Value

1395kHz

(230,230RDS)

1400kHz(120)

CT801

5. AM-Tracking Adjustment (MW)

Signal Generator

output to transmission

loop antenna

(standard required loop)

5mV/m(74dBu)

400Hz

MOD.30%

594kHz

(230,230RDS)

600kHz(120)

594kHz

(230,230RDS)

600kHz(120)

T801

Output level(L or R)

TAPE-OUT

Minimum

Output level(L or R)

TAPE-OUT

Minimum

step

Input Signal Source

Connection

Signal

Frequency

Source Signal Output Level and

Modulation

Reception

Frequency

Adjustment

Point

Adjustment

Value

7. AM auto stop Adjustment

Signal Generator

output to transmission

loop antenna

(standard required loop)

1000uV/m(60dBu)

400Hz

MOD.30%

AUTO SCAN

"TUNED"

indicate on

VFD

999kHz

(230,230RDS)

1000kHz

(120)

999kHz

(230,230RDS)

1000kHz(120)

Only

Confirm

VR802

"TUNED"

indicate on

VFD

8. Main Amp ldling current Adjustment

4) CAUTION

(1) whenever power or driver transistors are changed, after repair you must re-adjust the idle current for repair, have to re-adjust that idle

current again.

(2) Discharge each large elec. Capacitor C481, and C482(8200u) on main amp board, and C691, C692(6800uF/50V) on surround amp board.

1) Alignment condition

(1) Adjust each of the variable resistors below in both the main and surround boards to the center position :

MAIN AMP BOARD : VR401, VR402, VR501
SURROUND AMP BOARD : VR601, VR602

2) Warming up system

After he above adjustment, turn the power ON and let the receiver warm up for 5 minutes to achieve a stable temperature for the driver and
power transistors.

3) Measurement condition

Adjust each variable resistor listed below clockwise for each channel, and adjust refer the following table for the details.

6. AM IF Adjustment

step

Input Signal Source

Connection

Signal

Frequency

Source Signal Output Level and

Modulation

Reception

Frequency

Adjustment

Point

Adjustment

Value

T803

Output level(L or R)

TAPE-OUT

Maximum

Signal Generator

output to transmission

loop antenna

(standard required loop)

5mV/m(74dBu)

400Hz

MOD.30%

999kHz

(230,230RDS)

1000kHz

(120)

999kHz

(230,230RDS)

1000kHz(120)

Output level(L or R)

TAPE-OUT

Maximum

step

Input Signal Source

Connection

Signal

Frequency

Source Signal Output Level and

Modulation

Reception

Frequency

Adjustment

Point

Adjustment

Value

522kHz

(230,230RDS)

520kHz(120)

5mV/m(74dBu)

400Hz

MOD.30%

Signal Generator

output to transmission

loop antenna

(standard required loop)

522kHz

(230,230RDS)

520kHz

(120)

(P9)

T802

1.1V 1.2V

4. AM OSC Adujstment

15mV 3mV
15mV 3mV
15mV 3mV
15mV 3mV
15mV 3mV

FRONT-L
FRONT-R
CENTER
SURR-L
SURR-R

VR401
VR402
VR501
VR601
VR602

R471
R472
R536
R671
R672

CHANNEL

ADJUSTING LOCATION

MEASURE LOC.

VOL. DROP

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Summary of Contents for AVR45

Page 1: ...GRAM 16 DISASSEMBLY PROCEDURES 17 GENERAL UNIT PARTS LIST 18 GENERAL UNIT EXPLODED VIEW 20 SERVICE BULLETIN HK9804 21 SERVICE BULLETIN HK9903 22 SERVICE BULLETIN HK2000 01 23 SERVICE BULLETIN HK2001 02 25 PC BOARDS 27 ELECTRICAL PARTS LIST 32 IC BLOCK DIAGRAMS 48 CPU BLOCK DIAGRAM 59 DISPLAY SEGMENTS 67 FLT PIN CONFIGURATION 68 SCHEMATIC DIAGRAMS 69 SCHEMATIC DIAGRAMS RDS SG 76 SEMICONDUCTOR PIN D...

Page 2: ...easons prior to applying power to the unit under test 2 After removing an electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge build up or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devic...

Page 3: ... or use alternate method as follows Plug the power cord directly Into a 120 volt AC receptacle do not use an Isolation Transformer for this test Using two clip leads connect a 1500 ohms 10watt Resistor paralleled by a 0 15uF capacitor in series with all exposed metal cabinet parts and a known earth ground such as a water pipe or conduit Use a VTVM or VOM with 1000 ohms per volt or higher sensitivi...

Page 4: ...D Delay 20ms Input Level 200mV Frequency Response at 3dB 8 ohms Dolby Pro Logic S N Ratio Input Level 200mV Input Shorted IHF A WTD Frequency Respones at 3dB 8 ohms Dolby Pro Logic Input Sensitivity for Rated Power Output 60W CD DVD TAPE MONITOR VID1 VID2 VID3 S N Ratio Input Shorted at 1 kHz 1W Output WTD IHF A CD Tone Control Bass 100Hz Treble 10kHz 100Hz 1kHz 10kHz Frequency Response at 3dB Cha...

Page 5: ...tion 1kHz 75kHz dev At 98MHz 71dbf Input Mono S N Ratio 500uV Input 100 MOD At 98MHz Stereo Frequency Response 30Hz 15kHz AVR 45 De Emphasis 75 AVR 45RDS SG De Emphasis 50 AM Suppression at 98MHz Muting Threshold at 98MHz Overload Break up at 98 MHz Capture Ratio at 65dbf Stereo Separation at 98MHz 100 MOD 500 Input IHF Band Pass Filter 1kHz Tape out Level at 98MHz 14 2dbf 80dB 90dB 39 2dbf 0 3 65...

Page 6: ...e to the next station with a signal strong enough for acceptable reception Press this button to automatically scan through the station that have been programmed in the AVR 65 s memory The tuner will play five seconds of each station before moving to the next preset station To stop the scan when the desired station is heard press the button again Press this button to select stations that have been ...

Page 7: ...it refers to control of devices other than the AVR 65 Use the button to control the AVR 65 s Sleep function This button dose on screen display function with the AVR 65 Press this button to activate the remote s built in back light for better legibility of the buttons in a darkened room Press this button when the tuner is in use to select between automatic tuning and manual tuning When the button i...

Page 8: ...itched AC Outlet NOTE Switched AC Outlet Power Cable Video 2 Inputs TV Monitor Video Output Memory Auto Stereo Indicator Mono Indicator Mode Tuned Indicator Main Information Display Sleep Indicator This indicator flashes when entering presets and other information into the tuner s memory This indicator illuminates when the Auto mode is in use for FM tuning This indicator illuminates when an FM sta...

Page 9: ...mum Output level at TAPE OUT channel L Minimum 2 FM MUTING LEVEL ADJUSTMENT Turn variable resistor VR801 and stop at position TUNED is not shown not indicated then again turn the variable resistor VR801 to the opposite revolution and stop at a position TUNED is shown step 1 2 Input Signal Source Connection Signal generator output to FM antenna terminal 750hm Signal Frequency 98MHz Source Signal Ou...

Page 10: ... of the variable resistors below in both the main and surround boards to the center position MAIN AMP BOARD VR401 VR402 VR501 SURROUND AMP BOARD VR601 VR602 2 Warming up system After he above adjustment turn the power ON and let the receiver warm up for 5 minutes to achieve a stable temperature for the driver and power transistors 3 Measurement condition Adjust each variable resistor listed below ...

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Page 17: ...ews that connect with main Ass y 1 Remove 4 screws on Rear panel 2 Remove the Rear panel 3 Remove PCB Brk t and Guide 4 Remove the SUB PCB block Brk t from Main Ass y 1 Remove Main 2 Remove volume and rotary knob from the front 3 Remove all of the screws on back side of Front function PCB 4 Remove the Front function PCB Ass y Ass y 1 Remove PCB Brk t and Guide 3 Remove the POWER PCB block Brk t fr...

Page 18: ...003 040 5241 000 110 5451 003 020 5226 003 040 5421 003 070 A0191 065 000 A0191 065 001 A0191 095 001 PANEL FRONT PANEL FRONT KNOB FUNCTION A KNOB FUNCTION B KNOB FUNCTION C KNOB POWER KNOB PUSH KNOB TACT KNOB VOLUME KNOB ROTARY WINDOW FRONT WINDOW FRONT FILTER WINDOW LENS POWER BUSHING STRAIN R PANEL REAR PANEL REAR PANEL REAR COVER TOP CHASSIS FRONT CHASSIS MAIN COVER BOTTOM TRANS BOTTOM FRAME G...

Page 19: ...B C VIDEO ASSY PCB S VIDEO ASSY PCB AUDIO INPUT ASSY PCB TUNER ASSY PCB FRONT ASSY PCB POWER ASSY PCB HEADPHONE ASSY PCB DSP1 ASSY PCB DSP2 ASSY PCB MAIN AMP ASSY PCB STAND BY Q TY REF NO REF NO DESCRIPTION PART NO PART NO UNIT PARTS LIST 5636 140 010 5636 140 040 5636 140 060 5636 140 100 5636 140 050 5636 140 220 5636 140 080 5636 140 030 5541 001 030 5541 001 040 5541 001 010 5541 001 020 0112 ...

Page 20: ......

Page 21: ...h the complaint of Certain buttons on the remote control do not work perform the necessary steps listed below 1 Make sure there are fresh batteries in the remote and they are installed correctly 2 Make sure the area between the remote control and receiver is not blocked by some object and the distance is no more than 15 feet at an angle no greater than 30 degrees from the front of the receiver 3 M...

Page 22: ... and then wind the power cord around the choke at least 3 times Close block 3 Locate the 6 12 depending on model black Phillips screws at the outer rear panel of the unit only in the area of the Video panel Digital Input panel Remote control panel and Pre Out panel AVR45 65 only Remove and replace these screws with h k part A123010002 The new screws have teeth on the bottom of the head for assurin...

Page 23: ... the unit on its side and remove the bottom cover 8 Philips screws 2 Locate R486 R495 10 ohm 1 watt resistors and IC484 5v regulator on the MAIN PCB See Figure 1 The parts are located near the front right corner of the MAIN PCB when viewed from the front IC484 is attached to a rectangular aluminum heatsink 3 Desolder and remove R486 R495 and IC484 The IC484 s heatsink has two additional soldered c...

Page 24: ...JS0004 04434 Modified by factory IC484 Overheating Unit s output ceases and No data appears in the display when using digital inputs Replace R486 and R495 with 2 15 ohm 3 watt resistors soldered in series to equal 30 ohms Replace IC484 5v regulator Replace IC484 Heatsink AVR35 AVR45 AVR65 JS0007 14749 Or higher JS0001 11140 Or higher JS0003 02320 Or higher JS0005 05957 Or higher JS0004 04435 Or hi...

Page 25: ...re resistors pads remove it Use caution when correctly identifying each location comparing the top and bottom of the main PCB Tip Resistors are represented by a silkscreen on the bottom of the main PCB by this line Model Serial Number 120V Serial Number 230V STATUS ACTION AVR35 JS0007 01001 to JS0007 16390 n a R445 446 447 448 523 524 are fusible resistors If damaged replace with 10 ohm 1 4W metal...

Page 26: ...AVR45 harman kardon 26 ...

Page 27: ... BOTTOM TOP 27 ...

Page 28: ... TOP BOTTOM 28 ...

Page 29: ...29 ...

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Page 31: ...31 ...

Page 32: ...04 1244 126 004 1244 126 004 1244 126 004 1244 126 004 1244 126 004 1244 128 001 1244 128 001 1244 128 001 1244 128 001 1244 128 001 1244 128 001 1244 128 001 1244 169 001 1244 169 001 1244 169 001 FET 1248 000 004 1248 000 004 1248 000 004 DIODES 1252 000 017 1252 000 017 1252 000 017 1252 000 017 1252 000 017 1252 000 017 1252 000 017 1252 000 017 1252 000 017 1252 000 017 1252 000 017 1252 000 ...

Page 33: ...KW J 1 4W 15KW J 1 4W 15KW J 1 4W 15KW J REF NO REF NO PART NO PART NO DESCRIPTION DESCRIPTION R 505 R 506 R 417 R 418 R 509 R 583 R 584 R 473 R 474 R 537 R 457 R 458 R 459 R 460 R 529 R 530 R 463 R 464 R 531 R 532 R 433 R 434 R 435 R 436 R 441 R 442 R 443 R 444 R 517 R 518 R 521 R 522 R 465 R 466 R 467 R 468 R 533 R 534 R 421 R 422 R 423 R 424 R 425 1744 331 731 1744 331 731 1744 393 731 1744 393...

Page 34: ... 1822 680 712 1832 104 002 1832 104 002 1832 104 002 1832 104 002 1832 104 002 1832 104 002 1832 121 712 1832 121 712 1832 121 712 1832 121 712 1832 121 712 1832 121 712 1861 222 710 1861 222 710 1861 822 214 CAPACITORS 1 4W 10W J 1W 10W J 1W 10W J 1W 10W J 1W 22W J 1W 22W J 1W 22W J 1W 22W J 3W 10W J 3W 15W J 3W 15W J 3W 15W J 3W 15W J 5W 0 22W J 5W 0 22W J 5W 0 22W J CERA RA 50V 3pF C CERA RA 3p...

Page 35: ...R KTC3206 Y KTC3206 Y KTC3206 Y KTC3206 Y KTC3206 Y KTC3206 Y KTC4370 Y KTC4370 Y KTC4370 Y KTC4370 Y KTA1024 Y NPN NPN PNP PNP NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN NPN PNP 0112 011 150 REAR AMP P C BOARD TRANSISTORS Q 618 Q 621 Q 622 Q 631 Q 632 Q 611 Q 612 Q 613 Q 614 Q 683 Q 633 Q 634 Q 609 Q 610 D 601 D 602 D 603 D 604 D 681 D 682 D 683 D ...

Page 36: ...91 R 986 R 984 R 992 R 988 R 989 1243 103 004 1243 103 004 1244 128 001 1243 319 001 1243 319 001 1252 000 017 1252 000 017 1252 000 017 1252 001 004 1252 001 004 1252 001 004 1252 001 004 1252 001 004 1252 001 004 1252 001 004 1252 001 004 1254 300 001 1254 4R7 025 1254 7R5 001 1742 102 721 1742 103 721 1742 103 721 1742 151 721 1742 222 721 1742 272 721 1742 471 721 1744 1R0 731 1744 1R0 731 KRC...

Page 37: ... J 1 8W 1KW J 1 8W 1KW J 1 8W 1KW J 1 8W 1KW J 0112 011 152 AUDIO INPUT P C BOARD INTEGRATED CIRCUITS TRANSISTORS NPN 31 MISCELLANEOUS WAFERS CAPACITORS RESISTORS FUSIBLE R 987 R 993 R 985 R 981 C 983 C 997 C 998 C 999 C 988 C 985 C 993 C 994 C 995 C 996 C 982 C 981 C 992 C 984 C 989 C 990 C 986 C 987 C 991 WA 987 WA 986 WA 983 WA 985 WA 981 FU 981 FU 981 1744 561 731 1742 682 721 1761 220 731 176...

Page 38: ...24 721 1742 224 721 1 8W 220KW J 1 8W 220KW J 1 8W 220KW J 1 8W 220KW J 1 8W 220KW J R 155 R 156 R 199 R 200 R 207 R 208 R 101 R 102 R 105 R 106 R 109 R 110 R 113 R 114 R 117 R 118 R 193 R 194 R 233 R 234 R 257 R 258 R 209 R 210 R 187 R 188 R 185 R 186 R 225 R 226 R 249 R 250 R 264 R 265 R 266 R 282 R 283 R 284 R 288 R 289 R 290 R 294 R 295 R 296 R 300 R 301 R 302 R 306 R 307 R 308 R 270 R 271 R 2...

Page 39: ... 165 C 166 C 167 C 168 C 171 C 172 C 123 WA 101 HU 112 HU 115 HU 116 HU 114 HU 117 HU 121 CN 107 JP 101 JP 102 JP 103 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 804 1862 4R7 ...

Page 40: ...W 1KW J 1 8W 10KW J 1 8W 10KW J 1 8W 10KW J 1 8W 10KW J 1 8W 10KW J 1 8W 100KW J 1 8W 100KW J 1 8W 1MW J 1 8W 1 8KW J 1 8W 1 8KW J 1 8W 18KW J 1 8W 3 9KW J 1 8W 470W J 1 8W 47KW J 1 8W 47KW J 1 8W 47KW J 1 8W 47KW J 1 8W 47KW J 1 8W 47KW J 1 8W 47KW J 1 8W 47KW J 1 8W 47KW J 1 8W 47KW J 1 8W 47KW J 1 8W 47KW J 1 8W 75W J 1 8W 75KW J 1 8W 75KW J 1 8W 7 5KW J 1 8W 7 5KW J 1 8W 560W J 1 8W 560W J 1 8...

Page 41: ... AX 50V 0 0015uF M CERA AX 50V 0 0015uF M 0112 011 153 HEAD PHONE P C BOARD 0112 011 1534 STAND BY P C BOARD 0112 011 1533 POWER P C BOARD 35 C 961 C 962 C 939 C 940 C 937 C 938 C 947 C 948 1862 220 804 1862 220 804 1879 823 712 1879 823 712 1879 333 712 1879 333 712 1879 393 712 1879 393 712 ELECT 50V 22uF M ELECT 50V 22uF M FILM 100V 0 082uF J FILM 100V 0 082uF J FILM 100V 0 033uF J FILM 100V 0 ...

Page 42: ...1 1742 103 721 1742 103 721 1742 103 721 1742 103 721 1742 103 721 1742 103 721 DIODE RESISTORS CARBON NPN R 37 R 40 R 41 R 52 R 58 R 53 R 60 R 05 R 10 R 13 R 50 R 51 R 57 R 59 R 08 R 09 R 27 R 49 R 38 R 39 R 11 R 12 R 14 R 29 R 32 R 797 R 04 R 02 R 07 R 707 R 708 R 717 R 718 R 719 1742 103 721 1742 103 721 1742 103 721 1742 103 721 1742 103 721 1742 220 721 1742 220 721 1742 222 721 1742 222 721 ...

Page 43: ...20W J 1 10 820W J 1 10 820W J 1 10 820W J 1 10 2 2W J 1 10 2 2W J 1 10 39KW J 1 10 39KW J 1 10 1KW J 1 10 1KW J C 44 C 45 C 01 C 04 C 2 C 3 C 6 C 7 C 10 C 11 C 15 C 18 C 20 C 22 C 24 C 26 C 27 C 30 C 32 C 34 C 37 C 38 C 40 C 43 C 48 C 52 C 53 C 791 C 792 C 49 C 703 C 704 C 735 C 736 C 752 C 767 C 768 1822 101 772 1822 101 772 1822 102 882 1822 102 882 1822 104 822 1822 104 822 1822 104 822 1822 10...

Page 44: ...00KW J 1 10W 100KW J 1 10W 12KW J 1 10W 12KW J 1 10W 12KW J 1 10W 12KW J 1 10W 12KW J 1 10W 12KW J 1 10W 12KW J 1 10W 12KW J 1 10W 12KW J 1 10W 12KW J 1 10W 12KW J 1 10W 220KW J 1 10W 220KW J 1 10W 220KW J 1 10W 220KW J 1 10W 220KW J 1 10W 220KW J 1 10W 220KW J 1 10W 220KW J 1 10W 220KW J 1 10W 220KW J 1 10W 220KW J 1 10W 220KW J 6P 53014 0610 5P 5267 05A 22P FFC 2P JE113 D3T 02 2P JE113 D3T 02 DI...

Page 45: ... 102 721 1 8W 1KW J R 363 1742 102 721 1 8W 1KW J R 365 1742 330 721 1 8W 33W J R 369 1742 330 721 1 8W 33W J R 377 R 372 1742 562 721 1742 823 721 1 8W 5 6KW J 1 8W 82KW J C 351 C 353 C 355 C 357 C 358 C 361 C 360 C 363 C 367 C 369 C 352 C 354 C 356 C 362 C 364 C 365 C 366 C 368 C 384 C 379 C 380 C 373 C 381 C 378 C 393 C 388 C 387 C 387 C 391 C 385 C 377 C 386 C 389 C 383 C 392 C 372 C 371 C 374...

Page 46: ... NPN NPN PNP PNP PNP N CH R 814 R 815 R 827 R 881 R 805 R 802 R 830 R 838 R 839 R 840 R 841 R 812 R 816 R 864 R 803 R 826 R 820 R 830 R 804 R 809 R818 R 871 R 808 R 822 R 835 R 846 R 847 R 807 R 806 R 857 R 899 R 856 R 859 R 863 R 825 R 834 R 810 R 829 R 882 R 811 R 842 R 843 R 888 R 813 R 823 R 832 R 865 R 891 R 851 R 836 R 866 R 855 ANT 801 ANT 801 P 801 X 801 X 802 L 803 L 804 L 802 VR 803 VR 8...

Page 47: ...2111 023 004 2111 023 008 C TRIM 20pF CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA RA CERA AX CERA AX CERA AX CERAA AX ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT ELECT E...

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Page 68: ...AX g1 PRESET a1 h1 i1 m1 f1 b1 n1 G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 G13 G14 THEATER HALL 2 HALL 1 3 STEREO PLO LOGIC DIGITAL DISPLAY NIGHT MULTI PCM SLEEP MUTE BYPASS DSP ALALOG OPT COAX AC 3 S1 S2 S3 S4 S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S17 S18 F1 F2 Filament G1 G14 Grid S1 S18 Anode NL No Lead NP No Pin TYPE CM1684C ANODE GRID ASIGNMENT Pin No Assignment Pin No Assignment 1 F1 35 S...

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