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Harman Kardon Service Manual HK 3770 2x120 W stereo receiver CONTENTS BOX CONTENTS RESET PROCEDURE FRONT PANEL FUNCTIONS FIRMWARE UPGRADE INSTRUCTIONS BACK PANEL FUNCTIONS BILL OF MATERIALS REMOTE CONTROL FUNCTIONS IC PINOUTS TROUBLESHOOTING TRANSISTOR PINOUTS TECHNICAL SPECIFICATIONS PRINT DRAWINGS PACKAGE DRAWING...
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HK 3700/3770 stereo receiver In addition, a few minutes spent learning the functions of the various controls will allow you to take advantage of all the power and refinement of the HK 3700/3770 stereo receiver. CONTACT US: If you have any questions about HK 3700/3770 receiver, its installation or its operation, please contact your retailer or custom installer, or visit our website at: www.harmankardon.com...
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If you do not intend to use your HK 3700/3770 for any considerable length of time, disconnect the plug from the ac outlet.
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HK 3770 Service Manual HK 3700/3700 Receiver Front panel controls HK 3700/3700 Receiver Front Panel Controls the following are the fron panel controls available in the HK 3700/3770 stereo receiver: 4. Menu: press his button to choose from different menu options. power indicator 5.
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HK 3700/3770 Harman Kardon HK 3770 Service Manual HK 3700/3770 Receiver Rear panel connections HK 3700/3770 Receiver Rear Panel Connections Page 5 of 120...
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4. IR in and trigger connector: when the IR remote receiver on the front panel of the HK 3700/3770 receiver is blocked, connect an optional IR receiver to the IR Remote Input jack for use with the remote control. the Remote IR Output may be connected to the IR Remote Input of a compatible source device (or other product) to enable remote control through the HK 3700/3770.
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Volume Up/Down buttons: press these buttons to increase or decrease the volume navigation pad level. tone control Speaker 1/2: press the Speaker 1 button to enable the HK 3700/3770 Speaker 1 outputs, exit and press the Speaker 2 button to enable the Speaker 2 Outputs. you may enable or numeric keys disable both sets of speaker outputs simultaneously.
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Harman Kardon HK 3770 Service Manual troubleshooting Troubleshooting If your HK 3700/3770 receiver does not perform the way you think it should, check whether the problem is covered in this section before contacting your dealer or a Harman/Kardon representative. Problems Solutions unit does not function when main power button is turned On • Make sure ac power cord is plugged into a live outlet...
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HK 3700/3770 Harman Kardon HK 3770 Service Manual Specifications Specifications HK 3700 Stereo Receiver HK 3770 Stereo Receiver Feature Description GENERAL FEATURES Output power at 8Ώ 85w @ 8Ω/<0.07%tHd 120w @ 8Ω/<0.07%tHd amplification type class a/b class a/b Internet Radio...
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HK 3700/3770 Harman Kardon HK 3770 Service Manual Specifications HK 3700 Stereo Receiver HK 3770 Stereo Receiver Feature Description ETHERNET / USB /STREAMING FEATURES ethernet connectivity via Rj-45 Internet Radio uSb, Mp3, wMa, aac, waV airplay dLna 1.5 certified (audio Streaming Only)
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Harman Kardon HK 3770 Service Manual AMPLIFIER SECTION BIAS ADJUSTMENT Measurement condition .No input signal or volume position is minium. .Do not adjust at FM/AM. Standard value .Ideal current = 48mA (±7%) .Ideal DC Voltage = 22.5mA (±7%) ( AMP PCB )
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Harman Kardon HK 3770 Service Manual [ HK3700/3770 Reset Procedure ] 1. Standby mode. 2. Press the Tun mode key for a few seconds. 3. VFD will show as below. 4. Complete reset. Page 15 of 120...
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Harman Kardon HK 3770 Service Manual [HK3700 Firmware Upgrade Instructions] Copy the latest firmware files(*.fw and *.ve) to a USB stick's root directory. Plug a USB stick into the front panel. Power ON by using the remote control or the set button.
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Harman Kardon HK 3770 Service Manual After Venice upgrade, MCU upgrade begins. Followings will be shown on the VFD. VFD 1st line : MCU UPDATE VFD 2nd line : [Updating %] It takes about 25~30 seconds to upgrade the firmware.
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Harman Kardon HK 3770 Service Manual VFD will display followings after dispaying "UPGRADE SUCCESS". VFD 1st line : FM 87.50 01 VFD 2nd line : 2 CH STEREO Page 18 of 120...
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Harman Kardon HK 3770 Service Manual Harman Kardon HK 3770 Bill of Materials Level Ref# Component Description REQ-Qty CHE154 CLAMPER , ARM 0,12 M CPG1A972H BOX , OUT CARTON HK3770 1 EA CPS1A930 PAD , LEFT 1 EA CPS2A931 PAD , RIGHT...
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Harman Kardon HK 3770 Service Manual ..6 C911 CCUS1H104KCS CAP, CHIP(1608, 50V/0.1uF, X7R)_SAMSUNG 1 EA ..6 C912 CCUS1H104KCS CAP, CHIP(1608, 50V/0.1uF, X7R)_SAMSUNG 1 EA ..6 C923 CCUS1H681JAS CAP, CHIP(1608, 50V/680pF, C0G)_SAMSUNG 1 EA ..6 C924 CCUS1H681JAS CAP, CHIP(1608, 50V/680pF, C0G)_SAMSUNG 1 EA ..6...
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Harman Kardon HK 3770 Service Manual ..6 R457 CRJ10DJ103T RES, CHIP(1608/5%/10Kohm) 1 EA ..6 R601 CRJ10DJ103T RES, CHIP(1608/5%/10Kohm) 1 EA ..6 R602 CRJ10DJ103T RES, CHIP(1608/5%/10Kohm) 1 EA ..6 R603 CRJ10DJ103T RES, CHIP(1608/5%/10Kohm) 1 EA ..6 R604 CRJ10DJ103T RES, CHIP(1608/5%/10Kohm) 1 EA ..6...
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Harman Kardon HK 3770 Service Manual ..5 C933 CCEA1EH470TC CAP, ELECT(25V/47uF) 1 EA ..5 C944 CCEA1EH470TC CAP, ELECT(25V/47uF) 1 EA ..5 ET90 CJT1A026 PLATE , EARTH(TRONIC ELECTRONICS) 1 EA ..5 L452 CLZ9Z112Z COIL , CHOKE ( 220uH ) 1 EA ..5...
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Harman Kardon HK 3770 Service Manual ..7 R1122 CRJ10DJ102T RES, CHIP(1608/5%/1Kohm) 1 EA ..7 CUP12510Z PCB,AVR1710 BT(FR-4/2L/293X181) 0,07 EA ..7 CN1101 CJP17GB210ZY WAFER, (CARD CABLE,ANGLE, SMT, 1MM,10008HR-17L(P) 1 EA ..7 CN1102 CJP07GA193ZY WAFER, FFC, SMD(07P-1mm, STRAIGHT) 1 EA ..7 C1100 CCUI1C104KCS CAP, CHIP(1005, 16V/0.1uF, X7R)_SAMSUNG...
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Harman Kardon HK 3770 Service Manual CHD4A012R SCREW , SPECIAL 5 EA CHE170 HOLDER , PCB 5 EA CHE36-3 CLAMPER , WIRE 1 EA CHG1A160Z CUSHION , RUBBER 2 EA CHG1A341 CUSHION , FOOT 1 EA CHG1A373 EOL item CUSHION , FOOT AVR350...
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Harman Kardon HK 3770 Service Manual ..6 C445 CCUS1H104KCS CAP, CHIP(1608, 50V/0.1uF, X7R)_SAMSUNG 1 EA ..6 C446 CCUS1H104KCS CAP, CHIP(1608, 50V/0.1uF, X7R)_SAMSUNG 1 EA ..6 C447 CCUS1H104KCS CAP, CHIP(1608, 50V/0.1uF, X7R)_SAMSUNG 1 EA ..6 C448 CCUS1H104KCS CAP, CHIP(1608, 50V/0.1uF, X7R)_SAMSUNG 1 EA ..6...
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Harman Kardon HK 3770 Service Manual ..6 IC50 HVTKTC812TB EOL item T.R , CHIP(TS6) 1 EA ..6 IC60 HVTKTC812TB EOL item T.R , CHIP(TS6) 1 EA ..6 Q532 HVTKRA107S T.R , CHIP , SOT-23 1 EA ..6 Q533 HVTKRC107S T.R , CHIP , SOT-23 1 EA ..6...
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Harman Kardon HK 3770 Service Manual ..6 R351 CRJ10DJ104T RES, CHIP(1608/5%/100Kohm) 1 EA ..6 R352 CRJ10DJ221T RES, CHIP(1608/5%/220ohm) 1 EA ..6 R353 CRJ10DJ221T RES, CHIP(1608/5%/220ohm) 1 EA ..6 R354 CRJ10DJ221T RES, CHIP(1608/5%/220ohm) 1 EA ..6 R355 CRJ10DJ221T RES, CHIP(1608/5%/220ohm) 1 EA ..6...
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Harman Kardon HK 3770 Service Manual ..6 R601 CRJ10DJ103T RES, CHIP(1608/5%/10Kohm) 1 EA ..6 R602 CRJ10DJ103T RES, CHIP(1608/5%/10Kohm) 1 EA ..6 R610 CRJ10DJ1R0T RES, CHIP(1608/5%/1ohm) 1 EA ..6 R611 CRJ10DJ1R0T RES, CHIP(1608/5%/1ohm) 1 EA ..6 R613 CRJ10DJ103T RES, CHIP(1608/5%/10Kohm) 1 EA ..6...
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Harman Kardon HK 3770 Service Manual ..5 C333 HCQI1H562JZT CAP, MYLAR(50V/5600pF/J) 1 EA ..5 C334 HCQI1H562JZT CAP, MYLAR(50V/5600pF/J) 1 EA ..5 C335 HCQI1H473JZT CAP, MYLAR(50V/0.047uF/J) 1 EA ..5 C336 HCQI1H473JZT CAP, MYLAR(50V/0.047uF/J) 1 EA ..5 C352 CCEA1HH100TC CAP, ELECT(50V/10uF) 1 EA ..5...
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Harman Kardon HK 3770 Service Manual ..5 ET904 CJT1A026 PLATE , EARTH(TRONIC ELECTRONICS) 1 EA ..5 Q400 CVTKSC1845FTA NPN, TO-92, LOW NOISE, HFE:300-600, FAILCHILD 1 EA ..5 Q408 HVTKTA1024YT 1 EA ..5 Q409 HVTKTC3206YAT 1 EA ..5 Q410 HVTKTA1024YT 1 EA ..5...
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Harman Kardon HK 3770 Service Manual ..5 R448 CRD20TJ752T RES, CARBON(1/5W,7.5Kohm,J) 1 EA ..5 R449 CRD20TJ102T RES, CARBON(1/5W,1Kohm,J) 1 EA ..5 R450 CRD20TJ472T RES, CARBON(1/5W,4.7Kohm,J) 1 EA ..5 R453 CRD25TJ470T RES, CARBON(1/4W,47ohm,J) 1 EA ..5 R454 CRD25TJ470T RES, CARBON(1/4W,47ohm,J) 1 EA ..5...
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Harman Kardon HK 3770 Service Manual ..5 R564 CRD20TJ333T RES, CARBON(1/5W,33Kohm,J) 1 EA ..5 R565 CRD20TJ103T RES, CARBON(1/5W,10Kohm,J) 1 EA ..5 R571 CRG2SANJR47RT RES, M-OXIDE FILM(2W/0.47ohm) 1 EA ..5 R572 CRG2SANJR47RT RES, M-OXIDE FILM(2W/0.47ohm) 1 EA ..5 R573 CRG2SANJR47RT RES, M-OXIDE FILM(2W/0.47ohm) 1 EA ..5...
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Harman Kardon HK 3770 Service Manual ...4 JK60 CJJ4M044X JACK , RCA (1P,RCA-115A-04) 1 EA ...4 JK61 CJSJSR2124-00-BBBN MODULE , OPTICAL(RX 25MHz) 1 EA ...4 JK62 CJSJSR2124-00-BBBN MODULE , OPTICAL(RX 25MHz) 1 EA ...4 JK63 CJJ2D008Z JACK, STEREO (BLK MOLD) 1 EA ...4...
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Harman Kardon HK 3770 Service Manual ..6 D906 CVDUS1M DIODE , ULTRA FAST RECTIFIER 1 EA ..6 D907 CVD1N4448W DIODE , FAST SWITCHING(0.5W, SOD-123) 1 EA ..6 D908 CVDMM1Z24H DIODE , ZENER(24V/0.5W, SOD-123) 1 EA ..6 D909 CVDMM1Z20H DIODE , ZENER(20V/0.5W, SOD-123) 1 EA ..6...
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Harman Kardon HK 3770 Service Manual ..6 R777 CRJ18AJ0R0T RES, CHIP(2012/5%/0ohm) 1 EA ..6 R779 CRJ18AJ0R0T RES, CHIP(2012/5%/0ohm) 1 EA ..6 R881 CRJ18AJ101T RES, CHIP(2012/5%/100ohm) 1 EA ..6 R891 CRJ18AJ102T RES, CHIP(2012/5%/1Kohm) 1 EA ..6 R892 CRJ18AJ102T RES, CHIP(2012/5%/1Kohm) 1 EA ..6...
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Harman Kardon HK 3770 Service Manual ..6 R962 CRJ18AF4302T RES , CHIP 1 EA ..6 R963 CRJ14CJ0R0T RES, CHIP(3216/5%/0ohm) 1 EA ..6 R966 CRJ18AJ220T RES, CHIP(2012/5%/22ohm) 1 EA ..6 R967 CRJ18AJ100T RES, CHIP(2012/5%/10ohm) 1 EA ..6 R968 CRJ18AJ0R0T RES, CHIP(2012/5%/0ohm) 1 EA ..6...
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Harman Kardon HK 3770 Service Manual ..5 R908 CRW1PJ0R6T RES , WIRE WOUND (1W/0.6OHM) 1 EA ...4 COP12654BA COPPER SHIELD PCB ASS'Y (HK37X0) 1 EA ..5 CWE8102070SV001 WIRE ASS'Y 1P, UL1617#18, Double-insulated 2 EA ..5 C4B400125 TUBE , UL ( 40PIE , 125mm , BLACK ) 0,125 M ...4...
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Harman Kardon HK 3770 Service Manual ...4 LF92 CLZ9Z135Z FILTER , LINE (SQE2930, 8mH) 1 EA ...4 LF93 CLZ9Z121Z LINE, FILTER (150uH, RING-616) 1 EA ...4 L924 CLZ9Z175Z COIL , BAR CHOKE 1 EA ...4 L925 CLZ9Z090Z COIL , CHOKE(7UH) 1 EA ...4...
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Harman Kardon HK 3770 Service Manual ..7 C1164 CCUS1H104KCS CAP, CHIP(1608, 50V/0.1uF, X7R)_SAMSUNG 1 EA ..7 C1165 CCUS1H103KCS CAP, CHIP(1608, 50V/0.01uF, X7R)_SAMSUNG 1 EA ..7 C1190 CCUS1H104KCS CAP, CHIP(1608, 50V/0.1uF, X7R)_SAMSUNG 1 EA ..7 C1191 CCUS1H104KCS CAP, CHIP(1608, 50V/0.1uF, X7R)_SAMSUNG 1 EA ..7...
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Harman Kardon HK 3770 Service Manual ..7 C1414 CCUS1H103KCS CAP, CHIP(1608, 50V/0.01uF, X7R)_SAMSUNG 1 EA ..7 C1417 CCUS1H104KCS CAP, CHIP(1608, 50V/0.1uF, X7R)_SAMSUNG 1 EA ..7 C1418 CCUS1H102KCS CAP, CHIP(1608, 50V/1000pF, X7R)_SAMSUNG 1 EA ..7 C1427 CCUS1H104KCS CAP, CHIP(1608, 50V/0.1uF, X7R)_SAMSUNG 1 EA ..7...
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Harman Kardon HK 3770 Service Manual ..7 Q1500 CVTRT1P144C T.R,RT1P144C(10K-47K) 1 EA ..7 Q1501 CVTRT1N144C T.R,RT1N144C(10K-47K) 1 EA ..7 Q1502 CVTRT1N144C T.R,RT1N144C(10K-47K) 1 EA ..7 Q1503 CVTRT1P144C T.R,RT1P144C(10K-47K) 1 EA ..7 Q1504 CVTRT1N144C T.R,RT1N144C(10K-47K) 1 EA ..7 Q1505 CVTRT1N144C T.R,RT1N144C(10K-47K) 1 EA ..7...
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Harman Kardon HK 3770 Service Manual ..7 R1321 CRJ10DJ0R0T RES, CHIP(1608/5%/0ohm) 1 EA ..7 R1323 CRJ10DF1371T RES, CHIP(1608/1%/1.37Kohm) 1 EA ..7 R1324 CRJ10DJ0R0T RES, CHIP(1608/5%/0ohm) 1 EA ..7 R1328 CRJ10DJ0R0T RES, CHIP(1608/5%/0ohm) 1 EA ..7 R1329 CRJ10DJ102T RES, CHIP(1608/5%/1Kohm) 1 EA ..7...
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Harman Kardon HK 3770 Service Manual ..7 R1561 CRJ10DJ104T RES, CHIP(1608/5%/100Kohm) 1 EA ..7 R1562 CRJ10DJ152T RES, CHIP(1608/5%/1.5Kohm) 1 EA ..7 R1563 CRJ10DJ302T RES, CHIP(1608/5%/3Kohm) 1 EA ..7 R1564 CRJ10DJ102T RES, CHIP(1608/5%/1Kohm) 1 EA ..7 R1567 CRJ10DJ472T RES, CHIP(1608/5%/4.7Kohm) 1 EA ..7...
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Harman Kardon HK 3770 Service Manual ..7 C1203 HCEC1CRV2101T CAP, SMD ELECT(16V/100uF) 1 EA ..7 C1205 HCEC1CRV2101T CAP, SMD ELECT(16V/100uF) 1 EA ..7 C1207 CCEC1CRV471T CAP, SMD ELECT(16V/470uF) 1 EA ..7 C1209 CCUC1A226KCS CAP, CHIP(2012, 10V/22uF, X5R)_SAMSUNG 1 EA ..7...
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Harman Kardon HK 3770 Service Manual ..7 C1410 CCUS0J475KCS CAP, CHIP(1608, 6.3V/4.7uF, X5R)_SAMSUNG 1 EA ..7 C1412 CCUS1H150JAS CAP, CHIP(1608, 50V/15pF, C0G)_SAMSUNG 1 EA ..7 C1413 CCUS1H150JAS CAP, CHIP(1608, 50V/15pF, C0G)_SAMSUNG 1 EA ..7 C1415 CCUS1H103KCS CAP, CHIP(1608, 50V/0.01uF, X7R)_SAMSUNG 1 EA ..7...
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Harman Kardon HK 3770 Service Manual ..7 JK1100 CJJ9L026Z JACK , RJ-45 With TR (SMT) 1 EA ..7 L1100 CLZ9R018V FERRITE CHIP BEAD(2012/220R, CB05YTYH221) 1 EA ..7 L1101 CLZ9R018V FERRITE CHIP BEAD(2012/220R, CB05YTYH221) 1 EA ..7 L1102 CLZ9Z127Z COIL, CHOKE CHIP(2012/180R) 1 EA ..7...
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Harman Kardon HK 3770 Service Manual ..7 R1133 CRJ10DJ103T RES, CHIP(1608/5%/10Kohm) 1 EA ..7 R1134 CRJ06IJ330T RES, CHIP(1005/5%/33ohm) 1 EA ..7 R1138 CRJ064IJ750T RES, CHIP(1005/5%/75ohm*4) 1 EA ..7 R1139 CRJ06IJ101T RES, CHIP(1005/5%/100ohm) 1 EA ..7 R1140 CRJ10DJ152T RES, CHIP(1608/5%/1.5Kohm) 1 EA ..7...
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Harman Kardon HK 3770 Service Manual ..7 R1375 CRJ06IJ0R0T RES, CHIP(1005/5%/0ohm) 1 EA ..7 R1376 CRJ10DJ0R0T RES, CHIP(1608/5%/0ohm) 1 EA ..7 R1403 CRJ10DJ330T RES, CHIP(1608/5%/33ohm) 1 EA ..7 R1411 CRJ10DJ103T RES, CHIP(1608/5%/10Kohm) 1 EA ..7 R1416 CRJ10DJ101T RES, CHIP(1608/5%/100ohm) 1 EA ..7...
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Harman Kardon HK 3770 Service Manual ..7 X1101 COX12000I100ST X-TAL, SMD 3.2X2.5, 12.000MHz, 10PF 1 EA ..7 X1102 COX24576I120ST X-TAL, SMD 3.2X2.5, 24.576MHz, 12PF 1 EA ..7 X1301 COX24576I120ST X-TAL, SMD 3.2X2.5, 24.576MHz, 12PF 1 EA ..7 X1400 COX25000I120ST X-TAL, SMD 3.2X2.5, 25.000MHz, 12PF...
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Harman Kardon HK 3770 Service Manual ◎ TR Bl ock Di agr am s Q405, Q505 HVT2SC4883A T.R , DRIVER Q404, Q504 HVT2SA1859A T.R , DRIVER Q403, Q503 HVT2SA1492 T.R , POWER Q402, Q502 HVT2SC3856 T.R , POWER Page 50 of 120...
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Harman Kardon HK 3770 Service Manual Q401, Q501 HVTKTC3114A T.R , BIAS Q406,Q506 HVTKTD2061Y T.R , DRIVE Page 51 of 120...
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Harman Kardon HK 3770 Service Manual Q407, Q507 HVTKTB1369Y T.R , DRIVE HS96 CVT10N65KL FET, 10N65K, N-CH, TO-220F, UTC Page 52 of 120...
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Harman Kardon HK 3770 Service Manual HS91 CVTSPW17N80C3 F.E.T , SPW17N80C3 (800V/17A, PG-TO247-3) Q1407 HVTKTA1504SYRTK T.R , CHIP , SOT-23 Page 53 of 120...
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Harman Kardon HK 3770 Service Manual Q1408 HVTKTC3875SYRTK T.R , CHIP , SOT-23 Q1511,Q1512,Q1511,Q1512,Q1517 CVTMMBT5551 High Voltage NPN Transistors(SOT-23) Q1515,Q937,Q940 CVTMMBT5401 High Voltage PNP Transistors(SOT-23) Page 54 of 120...
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Harman Kardon HK 3770 Service Manual Q251, Q911, Q912, Q913 HVTKTA1271YT HIGH CURRENT APPLICATION Q400,Q413,Q415,Q416,Q417,Q500,Q513,Q515,Q516,Q517 CVTKSC1845FTA NPN, TO-92, LOW NOISE, HFE:300-600, FAILCHILD Page 55 of 120...
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Harman Kardon HK 3770 Service Manual Q408,Q410,Q508,Q510 HVTKTA1024YT Q409,Q411,Q509,Q511 HVTKTC3206YAT Q412,Q414,Q512,Q514 CVTKSA992FTA PNP, TO-92, LOW NOISE, HFE:300-600, FAILCHILD Page 56 of 120...
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Harman Kardon HK 3770 Service Manual Q451, Q452 CVTKTC1027YT Q532,Q536,Q533,Q534 HVTKRA107S T.R , CHIP , SOT-23 Q601 HVTKTA1266YT Page 57 of 120...
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Harman Kardon HK 3770 Service Manual Q902,Q903,Q914 HVTKSA708YT Q921 CVTKN2907AS T.R , KN2907AS, PNP, SOT-23, KEC Page 58 of 120...
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Harman Kardon HK 3770 Service Manual Q926 CVT2SC6046T1121W T.R (NPN, SOT-23, ISAHAYA) CVTRT1N141C T.R,RT1N141C(10K-10K) Page 59 of 120...
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Harman Kardon HK 3770 Service Manual CVTRT1N144C T.R,RT1N144C(10K-47K) CVTRT1P141C T.R,RT1P141C(10K-10K) Page 60 of 120...
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Harman Kardon HK 3770 Service Manual CVTRT1P144C T.R,RT1P144C(10K-47K) Page 61 of 120...
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Harman Kardon HK 3770 Service Manual ◎ I C Bl ock Di agr am s IC10 CVINJW1112V AUDIO SELECTOR(8-IN 4-OUT,SSOP-32P) IC1100 CVIISL54220IUZ-T USB2.0 Multiplexer(TQFN-10P) Page 65 of 120...
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Harman Kardon HK 3770 Service Manual IC1101 CVIMFI337S3959-HK Apple iPod Authentication coprocessor 2.0c Page 66 of 120...
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Harman Kardon HK 3770 Service Manual IC1102 CVIKSZ8851SNLTR ETHERNET PHY (10/100M,QFN-32P) IC1103 CVIPCM5100PWR 2CH DAC(32BIT,384KHZ,TSSOP-20P) Page 67 of 120...
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Harman Kardon HK 3770 Service Manual IC1104 CVIA3V28S40FTP-G6 SDRAM(128MBIT,TSOP-54P) IC1105 CVIAT45DB321E-SHF-T SERIAL DATA FLASH(32M,SOIC-8P) Page 68 of 120...
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Harman Kardon HK 3770 Service Manual IC1106 CVIFS1230A CHORUS3(NETWORK PROCESSOR) Page 69 of 120...
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Harman Kardon HK 3770 Service Manual Page 70 of 120...
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Harman Kardon HK 3770 Service Manual IC1201 CVIAZ1117CH-5.0TRG1 low dropout three-terminal regulator Page 71 of 120...
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Harman Kardon HK 3770 Service Manual IC1202, IC1204 CVIDB1230HETR DC DC CONVERTER(3A,700KHZ,SOP-8P) IC1205 CVIEML3418-00SE08GRR DCDC CONVERTER(SOP-8FD) Page 72 of 120...
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Harman Kardon HK 3770 Service Manual IC1206 CVIAZ1117CH-1.2TRG1 low dropout three-terminal regulator Page 73 of 120...
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Harman Kardon HK 3770 Service Manual IC13 CVISN74ACT04DR HEX INVERTERS(SOIC/D-14P) IC1401 CVISTM32F205ZGT6 FLASH MCU (32 BIT, 1MB, LQFP 144) Page 74 of 120...
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Harman Kardon HK 3770 Service Manual IC1403 CVIM24C32WMN6TP EEPROM (32 Kbit) ST IC1404 CVIDB1510BT3TR33 REGULATOR(1.0A,3.3V,TO252-(1)) Page 75 of 120...
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Harman Kardon HK 3770 Service Manual IC1405 CVICAT809RTBI-GT3 RESET IC (2.63V, SOT-23-3) IC15 HVINJM4556AL HEADPHONE (JRC) Page 76 of 120...
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Harman Kardon HK 3770 Service Manual IC1502, IC1503 CVILM7808RTRL REGULATOR(1A, 8V) Page 77 of 120...
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Harman Kardon HK 3770 Service Manual IC25,IC30,IC35 HVINJM2068MDTE1 OP AMP (JRC) IC34 CVINJW1194V 2CH VOLUME Page 78 of 120...
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Harman Kardon HK 3770 Service Manual IC601 BVIKP1010B PHOTO COUPLER (COSMO) IC91 CVIOB2358LAP PWM Page 79 of 120...
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Harman Kardon HK 3770 Service Manual IC92 CVIOB2263MPA PWM CONTROLLER (SOT23-6) IC93 CVIICE2QS02G PWM CONTROLLER(PG-DSO-8) Page 80 of 120...
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Harman Kardon HK 3770 Service Manual IC94, IC95,IC96 CVIKA431SAMF2 SHUNT REGULATOR(SOT-23F) IC98 HVINJM7912FA REGULATOR Page 81 of 120...
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Harman Kardon HK 3770 Service Manual IC99 CVIL78L24AB REGULATOR ( 24V, TO-92L ) PC89 CVIEL817B PHOTO COUPLER Page 82 of 120...
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Harman Kardon HK 3770 Service Manual PC90 CVIEL357NB PHOTO COUPLER (4P, SMD) IC1500 CVIAZ4580MTR-E1 OPAMP(DUAL/LOW NOISE) Page 83 of 120...
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Harman Kardon HK 3770 Service Manual IC1302 CVICS495314CVZ DSP AUDIO DECODER(LQFP-128P) IC1101,IC1305 CVIMX25L8006EM2I-12G SERIAL FLASH(8M) Page 84 of 120...
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Harman Kardon HK 3770 Service Manual IC1511 CVINJM2753V Stereo Audio Selector(SSOP14) IC1309 CVINJM2845DL118 REGULATOR(1.8V/TO-252) Page 85 of 120...
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Harman Kardon HK 3770 Service Manual IC1301 HVICS42528-CQ CODEC + DIR (CIRRUS LOGIC) IC1306, IC1307 HVINJM2115MTE1 OP AMP Page 86 of 120...
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Harman Kardon HK 3770 Service Manual HK37xx Block Diagram (USB + Network) RJ-45 Ethernet FS1230 (CHORUS3) USB 1.0 UART I2S Audio Output APPLE Auth iC To DSP / MCU By up-grade UART I2S Audio Output Page 106 of 120...
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Harman Kardon HK 3770 Service Manual HK37xx Block Diagram (Audio + MCU) To USB/Network I2S I/F By Upgrade UART UART & GPIO DA0 2 Serial Flash DSP/CODEC Control Memory CS495314 PCM only USB ? UART GPIO DAI 2/DAO1 IR Input x 1...
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Harman Kardon HK 3770 Service Manual POWER CORD TYPE 120V : FIXED TYPE 230V : IEC Removable WIRING DIAGRAM AC IN DIGITAL B'D IR B'D IR B'D <--> DIGITAL B'D BN20 2mm pitch MAIN B'D <--> TUNER B'D MAIN B'D <--> DIGITAL B'D DIGITAL B'D <-->USB B'D...
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