Harman Kardon HK 3700 Service Manual
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Harman Kardon HK 3700 Service Manual

2x120 w stereo receiver
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Harman Kardon
HK 3770
2x120 W stereo receiver
BOX CONTENTS
FRONT PANEL FUNCTIONS
BACK PANEL FUNCTIONS
TECHNICAL SPECIFICATIONS
EXPLODED VIEW AND PARTS
BIAS ADJUSTMENT
Released EU2014
CONTENTS
2
RESET PROCEDURE
4
FIRMWARE UPGRADE INSTRUCTIONS
5
BILL OF MATERIALS
6
IC PINOUTS
8
TRANSISTOR PINOUTS
9
PRINT DRAWINGS
11
12
13
14
Harman Consumer Group, Inc.
8500 Balboa Boulevard
Northridge, California 91329
Service Manual
15
16
19
50
64
88
106
108
109
Rev 0, 00/20XX

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Summary of Contents for Harman Kardon HK 3700

  • Page 1 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...
  • Page 2 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...
  • Page 3 If you do not intend to use your HK 3700/3770 for any considerable length of time, disconnect the plug from the ac outlet.
  • Page 4 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.
  • Page 5 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...
  • Page 6 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.
  • Page 7 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.
  • Page 8 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...
  • Page 9 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...
  • Page 10 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)
  • Page 11 Harman Kardon HK 3770 Service Manual Page 11 of 120...
  • Page 12 Harman Kardon HK 3770 Service Manual Page 12 of 120...
  • Page 13 Harman Kardon HK 3770 Service Manual Page 13 of 120...
  • Page 14 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 )
  • Page 15 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...
  • Page 16 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.
  • Page 17 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.
  • Page 18 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...
  • Page 19 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...
  • Page 20 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...
  • Page 21 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...
  • Page 22 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...
  • Page 23 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...
  • Page 24 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...
  • Page 25 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...
  • Page 26 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...
  • Page 27 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...
  • Page 28 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...
  • Page 29 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...
  • Page 30 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...
  • Page 31 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...
  • Page 32 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...
  • Page 33 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...
  • Page 34 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...
  • Page 35 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...
  • Page 36 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...
  • Page 37 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...
  • Page 38 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...
  • Page 39 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...
  • Page 40 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...
  • Page 41 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...
  • Page 42 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...
  • Page 43 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...
  • Page 44 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...
  • Page 45 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...
  • Page 46 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...
  • Page 47 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...
  • Page 48 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...
  • Page 49 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...
  • Page 50 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...
  • Page 51 Harman Kardon HK 3770 Service Manual Q401, Q501 HVTKTC3114A T.R , BIAS Q406,Q506 HVTKTD2061Y T.R , DRIVE Page 51 of 120...
  • Page 52 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...
  • Page 53 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...
  • Page 54 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...
  • Page 55 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...
  • Page 56 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...
  • Page 57 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...
  • Page 58 Harman Kardon HK 3770 Service Manual Q902,Q903,Q914 HVTKSA708YT Q921 CVTKN2907AS T.R , KN2907AS, PNP, SOT-23, KEC Page 58 of 120...
  • Page 59 Harman Kardon HK 3770 Service Manual Q926 CVT2SC6046T1121W T.R (NPN, SOT-23, ISAHAYA) CVTRT1N141C T.R,RT1N141C(10K-10K) Page 59 of 120...
  • Page 60 Harman Kardon HK 3770 Service Manual CVTRT1N144C T.R,RT1N144C(10K-47K) CVTRT1P141C T.R,RT1P141C(10K-10K) Page 60 of 120...
  • Page 61 Harman Kardon HK 3770 Service Manual CVTRT1P144C T.R,RT1P144C(10K-47K) Page 61 of 120...
  • Page 62 Harman Kardon HK 3770 Service Manual Page 62 of 120...
  • Page 63 Harman Kardon HK 3770 Service Manual Page 63 of 120...
  • Page 64 Harman Kardon HK 3770 Service Manual Page 64 of 120...
  • Page 65 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...
  • Page 66 Harman Kardon HK 3770 Service Manual IC1101 CVIMFI337S3959-HK Apple iPod Authentication coprocessor 2.0c Page 66 of 120...
  • Page 67 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...
  • Page 68 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...
  • Page 69 Harman Kardon HK 3770 Service Manual IC1106 CVIFS1230A CHORUS3(NETWORK PROCESSOR) Page 69 of 120...
  • Page 70 Harman Kardon HK 3770 Service Manual Page 70 of 120...
  • Page 71 Harman Kardon HK 3770 Service Manual IC1201 CVIAZ1117CH-5.0TRG1 low dropout three-terminal regulator Page 71 of 120...
  • Page 72 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...
  • Page 73 Harman Kardon HK 3770 Service Manual IC1206 CVIAZ1117CH-1.2TRG1 low dropout three-terminal regulator Page 73 of 120...
  • Page 74 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...
  • Page 75 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...
  • Page 76 Harman Kardon HK 3770 Service Manual IC1405 CVICAT809RTBI-GT3 RESET IC (2.63V, SOT-23-3) IC15 HVINJM4556AL HEADPHONE (JRC) Page 76 of 120...
  • Page 77 Harman Kardon HK 3770 Service Manual IC1502, IC1503 CVILM7808RTRL REGULATOR(1A, 8V) Page 77 of 120...
  • Page 78 Harman Kardon HK 3770 Service Manual IC25,IC30,IC35 HVINJM2068MDTE1 OP AMP (JRC) IC34 CVINJW1194V 2CH VOLUME Page 78 of 120...
  • Page 79 Harman Kardon HK 3770 Service Manual IC601 BVIKP1010B PHOTO COUPLER (COSMO) IC91 CVIOB2358LAP PWM Page 79 of 120...
  • Page 80 Harman Kardon HK 3770 Service Manual IC92 CVIOB2263MPA PWM CONTROLLER (SOT23-6) IC93 CVIICE2QS02G PWM CONTROLLER(PG-DSO-8) Page 80 of 120...
  • Page 81 Harman Kardon HK 3770 Service Manual IC94, IC95,IC96 CVIKA431SAMF2 SHUNT REGULATOR(SOT-23F) IC98 HVINJM7912FA REGULATOR Page 81 of 120...
  • Page 82 Harman Kardon HK 3770 Service Manual IC99 CVIL78L24AB REGULATOR ( 24V, TO-92L ) PC89 CVIEL817B PHOTO COUPLER Page 82 of 120...
  • Page 83 Harman Kardon HK 3770 Service Manual PC90 CVIEL357NB PHOTO COUPLER (4P, SMD) IC1500 CVIAZ4580MTR-E1 OPAMP(DUAL/LOW NOISE) Page 83 of 120...
  • Page 84 Harman Kardon HK 3770 Service Manual IC1302 CVICS495314CVZ DSP AUDIO DECODER(LQFP-128P) IC1101,IC1305 CVIMX25L8006EM2I-12G SERIAL FLASH(8M) Page 84 of 120...
  • Page 85 Harman Kardon HK 3770 Service Manual IC1511 CVINJM2753V Stereo Audio Selector(SSOP14) IC1309 CVINJM2845DL118 REGULATOR(1.8V/TO-252) Page 85 of 120...
  • Page 86 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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  • Page 106 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...
  • Page 107 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...
  • Page 108 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...
  • Page 109 Harman Kardon HK 3770 Service Manual Page 109 of 120...
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  • Page 111 Harman Kardon HK 3770 Service Manual USB Switch Part NET_3.3V NET_3.3V USB_OE L1112 L1113 USB_SEL MCU_USB_DM NET_3.3V MCU_USB_DP CHGND CHGND R1100 L1111 CHGND CHGND C1100 NET_1.2V 10V/22uF C1101 CHGND CHGND L1110 L1114 0.01uF NET_3.3V IC1100 NET_3.3V CVIISL54220IUZ-T NET_1.2V L1109 CHGND...
  • Page 112 Harman Kardon HK 3770 Service Manual +7VD L1203 FROM SMPS FROM SMPS CLZ9Z014Z NETWORK_Power Control L1204 CLZ9Z014Z L1205 12.11.02 C1227 0.1uF X7R Series R1205 CLZ9Z014Z R1206 C1213 DC/DC (Milan +3.3V) C1228 10V/22uF X7R Series POWER_DOWN POWER_DOWN R1207 IC1204 0.01uF R1208...
  • Page 113 Harman Kardon HK 3770 Service Manual C1301 R1301 100(HK3770) 100P(HK3770) R1302 +3.3V_DC +1V8 +3.3V_DC +5V_DC/DC 4.7K(HK3770) HK3770 ONLY IC1309 CVINJM2845DL118 (HK3770) DSP 5V Power L1302 L1303 L1301 CLZ9Z014Z CLZ9Z014Z L1214 IC1307 +5VD_DSP +3V3 HVINJM2115MTE1 (HK3770) (HK3770) CLZ9Z014Z CLZ9Z014Z (HK3770) (HK3770)
  • Page 114 Harman Kardon HK 3770 Service Manual CUP12456Z +3.3VC ST+5V +3.3VC IC1404 CVIDB1510BT3TR33 L1401 R1461 VIN OUT CLZ9R005V CRJ10DJ0R0T * MODEL MODEL R1474 R1475 Vin(V) CHGND HK3700 OPEN HK3770 Option 1.65 HK3700/230 2.27 CHGND CHGND HK3770/230 R1401 CHGND CHGND OPEN MCU OPTION...
  • Page 115 Harman Kardon HK 3770 Service Manual R1598 OPEN +12V DC PROTECTOR R1568 Q1510 R940=1.5K CURRENT_DET OC_DETECT RT1P144 Operating: +5.0V~ , -5.0V~ POWER_FAIL DC_PROTECT * 3 Step Detect * OVERLOAD Q1517 3.8A : VCC 45V->41V MMBT5551 MMBT5551 MMBT5551 P_FAIL 4.3A : VCC 41V->25V...
  • Page 116 Harman Kardon HK 3770 Service Manual Bluetooth_BM840 NC / OPTIONS T13 BT_LRCK T12 BT_DO T11 BT_BLCK +3.3V_BT +3.3V_BT T1 1.8V_SMPS R1118 C1104 CHGND CHGND +3.3V_BT +3.3V_BT CHGND +5V_BT +5V_BT BT_STATUS TO CODEC BT_STATUS_PAIR AGND BT_AUDIO_EN BT_R- CHIP ANT BT_R+ R1113 Origin:ACA-5036-A2-CC-S 2.4g antenna...
  • Page 117 Harman Kardon HK 3770 Service Manual Division : CY91 Division : CY92 Division : CY96 HK37X0 SMPS SCHEMATIC DIAGRAM 3770 : 400V 152 M 3770 : 400V 152 M 3770 : JUMPER 3770 : 400V 102 M 3770 : 400V 102 M...
  • Page 118 HK37_MAIN_MP_CUP12609Z-A_131205.sch-1 - Mon Dec 09 11:48:13 2013 Harman Kardon HK 3770 Service Manual +VCC R508 R547 10(1/4W) 47 (1/4W) R546 47 (1/4W) Q514 Q512 L202 Q506 KSA992 KSA992 0.5uH KTD2061Y C503 R524 Q504 Q502 Q402,Q502 2SA1859A 270P 2SC3856 Q510 Q508...
  • Page 119 HK37_MAIN_MP_CUP12609Z-A_131205.sch-2 - Mon Dec 09 11:48:15 2013 Harman Kardon HK 3770 Service Manual 2013.08.16 C315 1500P J500,J501 USA向 R311 +12V COIL EUR向 R309 TEST用 : OPEN C313 C311 R313 10/50V L301 320mH C303 100/16V C309 5600P R317 R301 R307 C317...
  • Page 120 HK37_MAIN_MP_CUP12609Z-A_131205.sch-3 - Mon Dec 09 11:48:17 2013 Harman Kardon HK 3770 Service Manual * OPT & COAX ( Only HK3770 ) COAX1 +12V1 +12V TRIGGER OUT TRIGGER +3V3 +3V3 +3V3 REMOTE_OUT REMOTE OUT ST+5V ST+5V DGND COAX1 COAXIAL IN OPT1...

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