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Harman Kardon HK 3700, Service Manual

The Harman Kardon HK 3700 is a premium audio receiver known for its exceptional sound quality. To get started quickly and effortlessly, download the free Quick Start Manual from our website. Discover all the features and unleash the full potential of your HK 3700 with this comprehensive user manual, available for instant download.

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Harman Kardon

HK 3770 Service Manual

Page 110 of 120

Summary of Contents for HK 3700

Page 1: ...RE 15 FIRMWARE UPGRADE INSTRUCTIONS 16 BILL OF MATERIALS 19 IC PINOUTS 50 TRANSISTOR PINOUTS 64 PRINT DRAWINGS 88 BLOCK DIAGRAMS 106 WIRING DIAGRAM 108 SCHEMATIC DIAGRAMS 109 BOX CONTENTS 2 FRONT PANE...

Page 2: ...ore and more audio content comes from multiple digital based sources such as a smart TV smartphone or tablet playback convenience becomes the driving factor in entertainmentwhilesoundqualityremainsthe...

Page 3: ...ource immediately and consult an authorized service center CATV or Antenna Grounding If an outside antenna or cable system is connected to this product be certain that it is grounded so as to provide...

Page 4: ...select the previous file to play 7 OK This button is used to make selections within the on screen menu system for some source devices 8 Select next Press this button to play the next file 9 MessageDis...

Page 5: ...HK 3700 3770 HK 3700 3770 Receiver Rear Panel Connections 6 HK 3700 3770 Receiver Rear Panel Connections Harman Kardon HK 3770 Service Manual Page 5 of 120...

Page 6: ...is not needed The SubwooferTrigger Outputs send a signal of 15 volts DC 5 AC input connector After you have made all other connections plug the supplied AC power cord into an unswitched wall outlet 6...

Page 7: ...s button to clear a radio station frequency you have entered Direct Press this button before using the numeric keys to enter a radio station frequency Volume Up Down buttons Press these buttons to inc...

Page 8: ...motors or other electrical appliances No video image Connect the source s composite video output to the correct video input on the HK 3700 3770 Press the correct Source Selector on the HK 3700 3770 C...

Page 9: ...lt in 48kHz 24bit DAC decoder with built in 96kHz 24bit DAC decoder DLNA 1 5 Certified Audio Streaming Only Yes Yes Speaker Assign A B Yes Yes Key Components Cost Factors Audio DSP HarmanVolume Yes Ye...

Page 10: ...NET USB STREAMING FEATURES Ethernet Connectivity via RJ 45 Yes Yes Internet Radio Yes Yes USB MP3 WMA AAC WAV Yes Yes AirPlay No No DLNA 1 5 Certified Audio Streaming Only Yes Yes Metdata toVFD Yes Ye...

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: ...s minium Do not adjust at FM AM Standard value Ideal current 48mA 7 Ideal DC Voltage 22 5mA 7 AMP PCB CN51 CN41 DC VOLTMETER Connect to CN51 L CH CN41 R CH No Channel Adjust for Adjust 1 Left 22 5mV 7...

Page 15: ...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 Harman Kardon HK 3770 Service Manual Page 15 of 120...

Page 16: ...e set button 4 After 30 seconds press STEREO key and 1 7 1 8 ok buttons on R C Followings will be shown on the VFD VFD 1st line SYSTEM UPGRADE VFD 2nd line Searching 5 After USB searching Venice upgra...

Page 17: ...own on the VFD VFD 1st line MCU UPDATE VFD 2nd line Updating It takes about 25 30 seconds to upgrade the firmware 7 Completing MCU upgrade Set will automatically reboots UPGRADE SUCCESS will be shown...

Page 18: ...8 VFD will display followings after dispaying UPGRADE SUCCESS VFD 1st line FM 87 50 01 VFD 2nd line 2 CH STEREO Harman Kardon HK 3770 Service Manual Page 18 of 120...

Page 19: ...1 EA 6 C311 CCUS1H102KCS CAP CHIP 1608 50V 1000pF X7R _SAMSUNG 1 EA 6 C322 CCUS1H102KCS CAP CHIP 1608 50V 1000pF X7R _SAMSUNG 1 EA 6 C431 CCUS1H104KCS CAP CHIP 1608 50V 0 1uF X7R _SAMSUNG 1 EA 6 C441...

Page 20: ...EA 6 R114 CRJ10DJ0R0T RES CHIP 1608 5 0ohm 1 EA 6 R122 CRJ10DJ100T RES CHIP 1608 5 10ohm 1 EA 6 R151 CRJ10DJ0R0T RES CHIP 1608 5 0ohm 1 EA 6 R201 CRJ10DJ181T RES CHIP 1608 5 180ohm 1 EA 6 R202 CRJ10DJ...

Page 21: ...1608 5 100Kohm 1 EA 6 R932 CRJ10DJ104T RES CHIP 1608 5 100Kohm 1 EA 6 R933 CRJ10DJ221T RES CHIP 1608 5 220ohm 1 EA 6 R934 CRJ10DJ221T RES CHIP 1608 5 220ohm 1 EA 6 R935 CRJ10DJ221T RES CHIP 1608 5 22...

Page 22: ...S7 L E D ORANGE 1 EA 4 D201 CVD1L0345W31BOCT201V L E D WHITE 1 EA 4 D202 CVD1L0345W31BOCT201V L E D WHITE 1 EA 4 D203 CVD1L0345W31BOCT201V L E D WHITE 1 EA 4 FIP1 CFL162SD19GINK V F D FUTABA 162 SD 1...

Page 23: ...R1102 CRJ06IJ103T RES CHIP 1005 5 10Kohm 1 EA 7 R1103 CRJ06IJ332T RES CHIP 1005 5 3 3Kohm 1 EA 7 R1104 CRJ06IJ103T RES CHIP 1005 5 10Kohm 1 EA 7 R1105 CRJ10DJ0R0T RES CHIP 1608 5 0ohm 1 EA 7 R1106 CRJ...

Page 24: ...CCUS1H471JAS CAP CHIP 1608 50V 470pF C0G _SAMSUNG 1 EA 6 C346 CCUS1H471JAS CAP CHIP 1608 50V 470pF C0G _SAMSUNG 1 EA 6 C347 CCUS1H471JAS CAP CHIP 1608 50V 470pF C0G _SAMSUNG 1 EA 6 C348 CCUS1H471JAS C...

Page 25: ...6 C619 CCUS1H103KCS CAP CHIP 1608 50V 0 01uF X7R _SAMSUNG 1 EA 6 C700 CRJ10DJ473T RES CHIP 1608 5 47Kohm 1 EA 6 C924 CCUS1H104KCS CAP CHIP 1608 50V 0 1uF X7R _SAMSUNG 1 EA 6 D305 CVD1SS355T DIODE CHI...

Page 26: ...CHIP 1608 5 560Kohm 1 EA 6 R309 CRJ10DJ473T RES CHIP 1608 5 47Kohm 1 EA 6 R310 CRJ10DJ473T RES CHIP 1608 5 47Kohm 1 EA 6 R311 CRJ10DJ681T RES CHIP 1608 5 680ohm 1 EA 6 R312 CRJ10DJ681T RES CHIP 1608 5...

Page 27: ...RJ10DJ1R0T RES CHIP 1608 5 1ohm 1 EA 6 R456 CRJ10DJ1R0T RES CHIP 1608 5 1ohm 1 EA 6 R457 CRJ10DJ472T RES CHIP 1608 5 4 7Kohm 1 EA 6 R459 CRJ10DJ104T RES CHIP 1608 5 100Kohm 1 EA 6 R460 CRJ10DJ104T RES...

Page 28: ...J10DJ101T RES CHIP 1608 5 100ohm 1 EA 6 R659 CRJ10DJ0R0T RES CHIP 1608 5 0ohm 1 EA 6 R660 CRJ10DJ0R0T RES CHIP 1608 5 0ohm 1 EA 6 R746 CRJ10DJ472T RES CHIP 1608 5 4 7Kohm 1 EA 6 R747 CRJ10DJ472T RES C...

Page 29: ...CCEA1HH470T CAP ELECT 50V 47uF 1 EA 5 C452 CCEA1HH470T CAP ELECT 50V 47uF 1 EA 5 C453 CCEA1HH100T CAP ELECT 50V 10uF 1 EA 5 C454 CCEA1EH101T CAP ELECT 25V 100uF 1 EA 5 C501 CCEA1HROB470T CAP ELEC ELNA...

Page 30: ...2ohm J 1 EA 5 R403 CRD20TJ2R2T RES CARBON 1 5W 2 2ohm J 1 EA 5 R408 CRD25FJ100T RES CARBON 1 EA 5 R409 CRD25FJ100T RES CARBON 1 EA 5 R410 CRD20TJ221T RES CARBON 1 5W 220ohm J 1 EA 5 R411 CRD20TJ221T R...

Page 31: ...A 5 R520 CRD20TJ561T RES CARBON 1 5W 560ohm J 1 EA 5 R521 CRD20TJ561T RES CARBON 1 5W 560ohm J 1 EA 5 R522 CRD20TJ162T RES CARBON 1 5W 1 6Kohm J 1 EA 5 R523 CRD20TJ162T RES CARBON 1 5W 1 6Kohm J 1 EA...

Page 32: ...T R POWER 1 EA 5 Q503 HVT2SA1492 T R POWER 1 EA 5 Q504 HVT2SA1859A T R DRIVER 1 EA 5 Q505 HVT2SC4883A T R DRIVER 1 EA 4 BK10 CMD1A569 V1 BRACKET PCB 1 EA 4 BK11 CMD1A569 V1 BRACKET PCB 1 EA 4 BK12 CM...

Page 33: ...P 3216 1KV 47pF C0G _SAMSUNG 1 EA 6 C923 CCUC1H104KCS CAP CHIP 2012 50V 0 1uF X7R _SAMSUNG 1 EA 6 C924 CCUC1H222KCS CAP CHIP 2012 50V 2200pF X7R _SAMSUNG 1 EA 6 C925 CCUC1H104KCS CAP CHIP 2012 50V 0 1...

Page 34: ...3 1 EA 6 D954 CVDMM1Z22H DIODE ZENER 22V 0 5W SOD 123 1 EA 6 D955 CVD1N4448W DIODE FAST SWITCHING 0 5W SOD 123 1 EA 6 IC92 CVIOB2263MPA I C PWM CONTROLLER SOT23 6 1 EA 6 IC93 CVIICE2QS02G I C PWM CONT...

Page 35: ...6 5 1 2Mohm 1 EA 6 R928 CRJ18AJ100T RES CHIP 2012 5 10ohm 1 EA 6 R929 CRJ14CJ125T RES CHIP 3216 5 1 2Mohm 1 EA 6 R930 CRJ18AF3742T RES CHIP 2012 1 37 4Kohm 1 EA 6 R931 CRJ18AJ824T RES CHIP 2012 5 820K...

Page 36: ...361T RES CHIP 6432 5 360ohm 1 EA 6 R996 CRJ18AJ470T RES CHIP 2012 5 47ohm 1 EA 6 R997 CRJ14CF5602T RES CHIP 3216 1 56Kohm 1 EA 6 R999 CRJ14CF5602T RES CHIP 3216 1 56Kohm 1 EA 5 C911 CCKT3A102KBL CAP C...

Page 37: ...5600uF 105 C 13X30 1 EA 4 C943 CCEA1AH102ECS CAP ELECT 10V 1000uF 105 C 1 EA 4 DB91 CVDRS1005M DIODE BRIDGE 600V 10A RS 10M 1 EA 4 D938 HVD31DQ06H DIODE 1 EA 4 D939 HVD31DQ06H DIODE 1 EA 4 HS91 CVTSP...

Page 38: ...F X7R _SAMSUNG 1 EA 7 C1119 CCUS0J225KCS CAP CHIP 1608 6 3V 2 2uF X7R _SAMSUNG 1 EA 7 C1120 CCUI1C104KCS CAP CHIP 1005 16V 0 1uF X7R _SAMSUNG 1 EA 7 C1121 CCUC1C106KCS CAP CHIP 2012 16V 10uF X5R _SAMS...

Page 39: ...R _SAMSUNG 1 EA 7 C1327 CCUS1H104KCS CAP CHIP 1608 50V 0 1uF X7R _SAMSUNG 1 EA 7 C1328 CCUC1A226KCS CAP CHIP 2012 10V 22uF X5R _SAMSUNG 1 EA 7 C1330 CCUS1H103KCS CAP CHIP 1608 50V 0 01uF X7R _SAMSUNG...

Page 40: ...SAMSUNG 1 EA 7 C1567 CCUS1H220JAS CAP CHIP 1608 50V 22pF C0G _SAMSUNG 1 EA 7 D1403 CVD1SS355T DIODE CHIP SWITCHING 1 EA 7 D1404 CVD1SS355T DIODE CHIP SWITCHING 1 EA 7 D1500 CVD1SS355T DIODE CHIP SWITC...

Page 41: ...224T RES CHIP 1608 5 220Kohm 1 EA 7 R1162 CRJ10DJ472T RES CHIP 1608 5 4 7Kohm 1 EA 7 R1170 CRJ06IJ101T RES CHIP 1005 5 100ohm 1 EA 7 R1205 CRJ10DJ0R0T RES CHIP 1608 5 0ohm 1 EA 7 R1206 CRJ10DJ0R0T RES...

Page 42: ...HIP 1608 5 2 7Kohm 1 EA 7 R1457 CRJ10DJ272T RES CHIP 1608 5 2 7Kohm 1 EA 7 R1458 CRJ10DJ473T RES CHIP 1608 5 47Kohm 1 EA 7 R1459 CRJ10DJ330T RES CHIP 1608 5 33ohm 1 EA 7 R1462 CRJ10DJ103T RES CHIP 160...

Page 43: ...7R _SAMSUNG 1 EA 7 C1109 CCUS1H104KCS CAP CHIP 1608 50V 0 1uF X7R _SAMSUNG 1 EA 7 C1112 CCUS1H104KCS CAP CHIP 1608 50V 0 1uF X7R _SAMSUNG 1 EA 7 C1113 CCUS1H180JAS CAP CHIP 1608 50V 18pF C0G _SAMSUNG...

Page 44: ...00T CAP SMD ELECT 16V 10uF 1 EA 7 C1316 CCUS1H104KCS CAP CHIP 1608 50V 0 1uF X7R _SAMSUNG 1 EA 7 C1318 CCUS1H104KCS CAP CHIP 1608 50V 0 1uF X7R _SAMSUNG 1 EA 7 C1320 HCEC1CRV2100T CAP SMD ELECT 16V 10...

Page 45: ...00T CAP SMD ELECT 16V 10uF 1 EA 7 C1565 HCEC1CRV2100T CAP SMD ELECT 16V 10uF 1 EA 7 C1566 HCEC1CRV2100T CAP SMD ELECT 16V 10uF 1 EA 7 C1568 HCEC1CRV2100T CAP SMD ELECT 16V 10uF 1 EA 7 C1569 HCEC1CRV21...

Page 46: ...Q1510 CVTRT1P144C T R RT1P144C 10K 47K 1 EA 7 Q1511 CVTMMBT5551 High Voltage NPN Transistors SOT 23 1 EA 7 Q1512 CVTMMBT5551 High Voltage NPN Transistors SOT 23 1 EA 7 Q1513 CVTMMBT5551 High Voltage N...

Page 47: ...T RES CHIP 1608 5 0ohm 1 EA 7 R1255 CRJ10DJ0R0T RES CHIP 1608 5 0ohm 1 EA 7 R1263 CRJ10DJ0R0T RES CHIP 1608 5 0ohm 1 EA 7 R1264 CRJ10DJ0R0T RES CHIP 1608 5 0ohm 1 EA 7 R1265 CRJ10DJ0R0T RES CHIP 1608...

Page 48: ...608 5 1Mohm 1 EA 7 R1466 CRJ10DJ0R0T RES CHIP 1608 5 0ohm 1 EA 7 R1470 CRJ10DJ103T RES CHIP 1608 5 10Kohm 1 EA 7 R1471 CRJ10DJ103T RES CHIP 1608 5 10Kohm 1 EA 7 R1472 CRJ10DJ103T RES CHIP 1608 5 10Koh...

Page 49: ...CUA1A343 CHASSIS BOTTOM AVR1510 1 EA 3 CWB1B003200HH WIRE ASS Y 3P 2 0mm 200mm 1 EA 3 CWC4C4A11B080A10 CARD CABLE 11P 1 25mm 80mm A 10mm 1 EA 3 CWC4C4A23B120B10 CARD CABLE 23P 1 25mm 120mm B 10mm 1 EA...

Page 50: ...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 Harman Kardon HK 3770 Service Manual Page 50 of 12...

Page 51: ...Q401 Q501 HVTKTC3114A T R BIAS Q406 Q506 HVTKTD2061Y T R DRIVE Harman Kardon HK 3770 Service Manual Page 51 of 120...

Page 52: ...Q407 Q507 HVTKTB1369Y T R DRIVE HS96 CVT10N65KL FET 10N65K N CH TO 220F UTC Harman Kardon HK 3770 Service Manual Page 52 of 120...

Page 53: ...HS91 CVTSPW17N80C3 F E T SPW17N80C3 800V 17A PG TO247 3 Q1407 HVTKTA1504SYRTK T R CHIP SOT 23 Harman Kardon HK 3770 Service Manual Page 53 of 120...

Page 54: ...SYRTK 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 Harman Kardon HK 3770 Service Manual...

Page 55: ...1 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 Harman Kardon HK 3770 Service Manual Page 55...

Page 56: ...Q408 Q410 Q508 Q510 HVTKTA1024YT Q409 Q411 Q509 Q511 HVTKTC3206YAT Q412 Q414 Q512 Q514 CVTKSA992FTA PNP TO 92 LOW NOISE HFE 300 600 FAILCHILD Harman Kardon HK 3770 Service Manual Page 56 of 120...

Page 57: ...Q451 Q452 CVTKTC1027YT Q532 Q536 Q533 Q534 HVTKRA107S T R CHIP SOT 23 Q601 HVTKTA1266YT Harman Kardon HK 3770 Service Manual Page 57 of 120...

Page 58: ...Q902 Q903 Q914 HVTKSA708YT Q921 CVTKN2907AS T R KN2907AS PNP SOT 23 KEC Harman Kardon HK 3770 Service Manual Page 58 of 120...

Page 59: ...Q926 CVT2SC6046T1121W T R NPN SOT 23 ISAHAYA CVTRT1N141C T R RT1N141C 10K 10K Harman Kardon HK 3770 Service Manual Page 59 of 120...

Page 60: ...CVTRT1N144C T R RT1N144C 10K 47K CVTRT1P141C T R RT1P141C 10K 10K Harman Kardon HK 3770 Service Manual Page 60 of 120...

Page 61: ...CVTRT1P144C T R RT1P144C 10K 47K Harman Kardon HK 3770 Service Manual Page 61 of 120...

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Page 65: ...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 Harman Kardon HK 3770 Service Manual Page 65 of 120...

Page 66: ...IC1101 CVIMFI337S3959 HK Apple iPod Authentication coprocessor 2 0c Harman Kardon HK 3770 Service Manual Page 66 of 120...

Page 67: ...IC1102 CVIKSZ8851SNLTR ETHERNET PHY 10 100M QFN 32P IC1103 CVIPCM5100PWR 2CH DAC 32BIT 384KHZ TSSOP 20P Harman Kardon HK 3770 Service Manual Page 67 of 120...

Page 68: ...IC1104 CVIA3V28S40FTP G6 SDRAM 128MBIT TSOP 54P IC1105 CVIAT45DB321E SHF T SERIAL DATA FLASH 32M SOIC 8P Harman Kardon HK 3770 Service Manual Page 68 of 120...

Page 69: ...IC1106 CVIFS1230A CHORUS3 NETWORK PROCESSOR Harman Kardon HK 3770 Service Manual Page 69 of 120...

Page 70: ...Harman Kardon HK 3770 Service Manual Page 70 of 120...

Page 71: ...IC1201 CVIAZ1117CH 5 0TRG1 low dropout three terminal regulator Harman Kardon HK 3770 Service Manual Page 71 of 120...

Page 72: ...IC1202 IC1204 CVIDB1230HETR DC DC CONVERTER 3A 700KHZ SOP 8P IC1205 CVIEML3418 00SE08GRR DCDC CONVERTER SOP 8FD Harman Kardon HK 3770 Service Manual Page 72 of 120...

Page 73: ...IC1206 CVIAZ1117CH 1 2TRG1 low dropout three terminal regulator Harman Kardon HK 3770 Service Manual Page 73 of 120...

Page 74: ...IC13 CVISN74ACT04DR HEX INVERTERS SOIC D 14P IC1401 CVISTM32F205ZGT6 FLASH MCU 32 BIT 1MB LQFP 144 Harman Kardon HK 3770 Service Manual Page 74 of 120...

Page 75: ...IC1403 CVIM24C32WMN6TP EEPROM 32 Kbit ST IC1404 CVIDB1510BT3TR33 REGULATOR 1 0A 3 3V TO252 1 Harman Kardon HK 3770 Service Manual Page 75 of 120...

Page 76: ...IC1405 CVICAT809RTBI GT3 RESET IC 2 63V SOT 23 3 IC15 HVINJM4556AL HEADPHONE JRC Harman Kardon HK 3770 Service Manual Page 76 of 120...

Page 77: ...IC1502 IC1503 CVILM7808RTRL REGULATOR 1A 8V Harman Kardon HK 3770 Service Manual Page 77 of 120...

Page 78: ...IC25 IC30 IC35 HVINJM2068MDTE1 OP AMP JRC IC34 CVINJW1194V 2CH VOLUME Harman Kardon HK 3770 Service Manual Page 78 of 120...

Page 79: ...IC601 BVIKP1010B PHOTO COUPLER COSMO IC91 CVIOB2358LAP PWM Harman Kardon HK 3770 Service Manual Page 79 of 120...

Page 80: ...IC92 CVIOB2263MPA PWM CONTROLLER SOT23 6 IC93 CVIICE2QS02G PWM CONTROLLER PG DSO 8 Harman Kardon HK 3770 Service Manual Page 80 of 120...

Page 81: ...IC94 IC95 IC96 CVIKA431SAMF2 SHUNT REGULATOR SOT 23F IC98 HVINJM7912FA REGULATOR Harman Kardon HK 3770 Service Manual Page 81 of 120...

Page 82: ...IC99 CVIL78L24AB REGULATOR 24V TO 92L PC89 CVIEL817B PHOTO COUPLER Harman Kardon HK 3770 Service Manual Page 82 of 120...

Page 83: ...PC90 CVIEL357NB PHOTO COUPLER 4P SMD IC1500 CVIAZ4580MTR E1 OPAMP DUAL LOW NOISE Harman Kardon HK 3770 Service Manual Page 83 of 120...

Page 84: ...IC1302 CVICS495314CVZ DSP AUDIO DECODER LQFP 128P IC1101 IC1305 CVIMX25L8006EM2I 12G SERIAL FLASH 8M Harman Kardon HK 3770 Service Manual Page 84 of 120...

Page 85: ...IC1511 CVINJM2753V Stereo Audio Selector SSOP14 IC1309 CVINJM2845DL118 REGULATOR 1 8V TO 252 Harman Kardon HK 3770 Service Manual Page 85 of 120...

Page 86: ...IC1301 HVICS42528 CQ CODEC DIR CIRRUS LOGIC IC1306 IC1307 HVINJM2115MTE1 OP AMP Harman Kardon HK 3770 Service Manual Page 86 of 120...

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Page 106: ...J 45 USB I2C APPLE Auth iC HK37xx Block Diagram USB Network Ethernet I2S Audio Output To DSP MCU I2S Audio Output USB 1 0 UART USB MUX By up grade FS1230 CHORUS3 Harman Kardon HK 3770 Service Manual P...

Page 107: ...Flash Memory GPIO SMPS 2x16 Dot Matrix Main MCU Main MCU VFD Control SMPS Control Volume Control Tuner Control ETC Milan Control DSP CODEC Control 2 Line I2S 1 Line I2S By Upgrade USB Main MCU Analog...

Page 108: ...10 1 TEMP 12502WCWZ C D S 2 0mm pitch 1 11 WF1403 1 25mm pitch 1 11 CN60 1 25mm pitch 7 1 BN76 2 0mm pitch 5 1 CN78 2 0mm pitch 5 1 120V FIXED TYPE 230V IEC Removable POWER CORD TYPE CN1511 2mm pitch...

Page 109: ...Harman Kardon HK 3770 Service Manual Page 109 of 120...

Page 110: ...Harman Kardon HK 3770 Service Manual Page 110 of 120...

Page 111: ...0ohm C1136 0 01uF C1137 0 01uF C1140 1uF C1141 7P R1139 100 C1139 1uF C1133 0 01uF C1135 1uF C1134 1uF C1138 0 01uF C1132 0 01uF C1131 0 01uF L1109 CLZ9R018V C1130 22uF 6 3V R1152 4 7K R1153 4 7K L11...

Page 112: ...7 9 8 10 11 12 13 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CN1201 CJP15GB276ZY L1215 CLZ9Z014Z R1205 0 R1206 0 R1207 0 R1208 0 R1213 0 R1214 0 R1215 0 R1216 0 R1217 0 R1218 0 C1222 10V 22uF 1 2 3 4...

Page 113: ...C1365 0 1uF HK3770 C1364 0 1uF HK3770 C1372 0 1uF HK3770 C1373 0 1uF HK3770 C1377 0 1uF HK3770 C1378 0 1uF HK3770 C1379 0 1uF HK3770 C1376 0 1uF HK3770 C1375 0 1uF HK3770 C1374 0 1uF HK3770 1 2 3 4 5...

Page 114: ...34 0 1uF C1435 0 1uF C1436 0 1uF R1470 10K R1471 10K R1472 10K R1452 33 Q1407 HVTKTA1504SYRTK Q1408 HVTKTC3875SYRTK R1457 2 7K R1456 2 7K 8 7 6 5 4 3 2 1 IC1403 CVIM24C32WMN6TP R1458 47K R1438 10K R14...

Page 115: ...HVD1SR159 200 D1502 HVD1SR159 200 3 2 1 IN GND OUT IC1502 CVILM7808RTRL 3 1 2 OUT IN GND IC1503 CVILM7908RTRL C1545 0 1uF C1547 0 1uF C1544 0 1uF C1546 0 1uF Q1509 R1561 100K R1568 10K R1569 10K D150...

Page 116: ...FN4 T8 BM840_DEBUG R1110 OPEN T11 BT_BLCK T12 BT_DO T13 BT_LRCK 8 7 6 5 4 3 2 1 IC1101 CVIMX25L8006EM2I 12G R1100 3 3Kohm R1103 3 3Kohm R1104 10Kohm C1100 0 1uF 16V C1103 0 1 R1108 0 R1107 0 R1106 0 R...

Page 117: ...1 3 2 4 LF91 SQE2930 8mH 1 3 2 4 LF92 SQE2930 8mH J938 Not used C901 250V 270uF C930 250V 270uF R903 47 2W 1 2 3 Q901 17N80C3 C936 63V 2200uF C939 63V 470uF R993 7K5 1W D950 MM1Z22 C941 10V 5600uF C94...

Page 118: ...9 18P C407 330uF 63V C405 220 50V C408 330uF 63V R429 270 R422 470 R425 100 R426 100 R421 1 6K R420 1 6K R417 560 R433 560 R419 560 R461 560 R418 560 R499 10 1 4W R438 10 1 4W R415 15K R414 15K R416 5...

Page 119: ...9 100K C350 220P R380 100K R369 3 9K R370 3 9K 6 5 4 3 2 1 IC60 HVTKTC812TB C353 50V 10uF C352 50V 10uF R382 560 R383 560 R377 220 R378 220 R387 100 R388 100 C414 NC C406 NC R486 3 9K R484 560 R473 47...

Page 120: ...T 3 2 1 JK61 R601 10K R602 10K Q604 RT1P144C R620 47K R618 220 R621 10K Q602 RT1P141C C619 0 01uF R617 1K R615 4 7 R614 4 7 Q601 KTA1266YT D362 1SS355 D361 1SS355 Q603 RT1N141C R363 10K R613 10K C618...

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