Harman Kardon HK 3370 Service Manual Download

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Summary of Contents for HK 3370

Page 1: ...EMOTE CONTROL FUNCTIONS HK3470 17 BASIC TROUBLESHOOTING RESET 19 TECH TIP HKTT2003 01 20 ALIGNMENT PROCEDURES 21 BLOCK DIAGRAM 24 EXPLODED VIEW HK3370 25 EXPLODED VIEW HK3470 26 DISASSEMBLY PROCEDURES...

Page 2: ...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...

Page 3: ...te 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...

Page 4: ...Selectivity 400kHz 65dB Image Rejection 80dB IF Rejection 100dB Tuner Output Level 1kHz 100kHz Dev 500mV AM Tuner Section Frequency Range 520 1710kHz Signal to Noise Ratio 40dB Usable Sensitivity Loo...

Page 5: ...3 0 4 Stereo Separation 40dB 1kHz Selectivity 400kHz 65dB Image Rejection 80dB IF Rejection 100dB Tuner Output Level 1kHz 100kHz Dev 500mV AM Tuner Section Frequency Range 520 1710kHz Signal to Noise...

Page 6: ...normal opera tion means that the unit is in the Protect mode and should be turned off and then checked for a possible speaker wire short circuit 4 Headphone Jack This jack may be used to listen to th...

Page 7: ...to select the tuner as the input to the receiver When the tuner is in use press this button to change between the AM and FM frequency bands FM Mode Selector Press this button to select the stereo or...

Page 8: ...2 AUX CD PHONO OUT L R GND SPEAKER 1 8 Ohms SPEAKER 2 8 Ohms fi fl a AM Antenna FM Antenna Phono Ground Remote IR In Remote IR Out Phono Inputs CD Inputs Aux Inputs Tape Monitor Play In Tape Monitor R...

Page 9: ...n Connect these jacks to the PLAY OUT jacks of a second audio recorder Tape 2 Record Out Connect these jacks to the Rec In jacks of a second audio recorder Main In These jacks are the input to the HK...

Page 10: ...70 RC PHONO TAPEMON AUX AM FM CD DWN PRESET UP DISC SKIP FM MODE Main Power On Main Power Off Source Selectors Preset Up Down Transport Controls Disc Skip Sleep Button Dimmer Button Tuning Direct Butt...

Page 11: ...at the tuner will briefly stop at each active station and add a preset number to the memory If the FM tuner finds fewer than 30 FM stations with acceptable sig nal strength the Auto Preset tuning will...

Page 12: ...tion means that the unit is in the Protect mode and should be turned off and then checked for a possible speaker wire short circuit 4 Headphone Jack This jack may be used to listen to the HK 3470 s ou...

Page 13: ...bands FM Mode Selector Press this button to select the Stereo or Mono mode for FM tuning In the STEREO mode a Stereo indicator will light in the Main Information Display and stereo reception will be p...

Page 14: ...hts when a station is being received with sufficient signal strength to provide acceptable listening quality H Auto Indicator This indicator lights when the tuner s Auto mode is in use I Main Informat...

Page 15: ...PE 2 AUX CD PHONO OUT L R GND SPEAKER 1 8 Ohms SPEAKER 2 8 Ohms a HK3470 AM Antenna FM Antenna Phono Ground Remote IR In Remote IR Out Phono Inputs CD Inputs Aux Inputs Tape Monitor Play In Tape Monit...

Page 16: ...ed Tape 2 Play In Connect these jacks to the PLAY OUT jacks of a second audio recorder Tape 2 Record Out Connect these jacks to the Rec In jacks of a second audio recorder Main In These jacks are the...

Page 17: ...UX AM FM CD DWN PRESET UP DISC SKIP FM MODE VMAx Main Power On Main Power Off Source Selectors Preset Up Down Transport Controls Disc Skip Sleep Button Dimmer Button Tuning Direct Button Numeric Keys...

Page 18: ...been filled or when three scans through the band have been completed Secondary Control Cover This sliding cover normally is in the up position so that it hides the secondary controls the Direct butto...

Page 19: ...ing The unit is away from fluorescent lights TVs motors and other electrical appliances Remote does not function correctly Batteries are not weak and replace them if necessary Cassette or CD sounds di...

Page 20: ...CEGT B473J 0J0 AVR300 C906 Front PCB 0 1Farad 5 5v capacitor J4433210421X or P10791 ND AVR500 C906 Front PCB 0 1Farad 5 5v capacitor J4433210421X or P10791 ND AVR110 210 310 510 AVR120 220 320 520 C2...

Page 21: ...enerator FM SSG Frequency Counter Stereo Modulator Note Disconnect external FM antenna prior to alignment 2 Alignment and Test Points 3 AM IF and RF Alingment Preparation 1 Output of signal Generator...

Page 22: ...Preparation 1 Signal Generator output should be no higher than necessary to obtain an optimum output reading 2 Switch Press to FM 3 Signal Generator Deviation 75KHz HK 3370 40KHz HK 3470 3 3 4 0 1 2 1...

Page 23: ...5 MPX Alignment SM Alignment Preparation 1 Switch Press to FM 2 Tuner for 98MHz on band 3 Signal Generator output level 1000 V 5 8 4 4 8 8 4 8 4 8 7 8 4 8 4 3 3 5 0 3 7 8 3 4 0 8 2 23...

Page 24: ...4 BLOCK DIAGRAM HK3370 HK3470 24...

Page 25: ...MPAC 04950 012 MJAF 16100 024 MAAF 16130 014 n a n a MJAF 16070 024 MAAF 03600 012 MLAG 13850 024 MAAF 17070 004 MJAF 08880 013 MAAF 17040 014 MJAF 06570 011 MPAC 16880 004 MJAF 08870 013 MJAF 03580...

Page 26: ...MAAF 17040 014 MJAF 06570 011 MPAC 16880 004 MJAF 08870 013 MJAF 03580 012 MRAG 13830 004 MRAG 13840 004 MJAF 17030 004 MJAF 16050 024 MJAF 16980 014 MAAF 16990 014 MEAC 05060 002 MJAF 15640 014 MJAF...

Page 27: ...15 screws J and then remove the Front P C Board d 4 VOLUME P C BOARD b REMOVAL 1 Remove the Chassis top 44 referring to the previous step 1 2 Remove the Front panel ASS Y AA referring to the previous...

Page 28: ...step 1 2 Remove the Radiator Ass Y AB referring to the Previous step 12 3 Disconnect the connector CN 402 from lead wire posistor 2P on the Radiator main 21 4 Remove 4 screws D and then remove the Am...

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Page 35: ...NS POWER HK3370 ACRYL MAAF 17040 014 FILTER FL HK3370 PVC T0 5 MAAF 17070 004 SHEET WINDOW PE DRAFTING FILM MEAC 05070 002 RADIATOR MAIN A6063 T 5 MJAF 03580 012 KNOB FUNCTION HK3370 ABS MJAF 06570 01...

Page 36: ...4 TRSA 00950 SJ0 TRANSISTOR P H FREQ 2SA 1492 U348 9B350 480 WIRE ASS Y 1618 18 500 WHT 3P VSPO 00010 100 POSISTOR P42T8D100BW23 XSTB 30080 ZB4 SCREW TAPPING BHT2T 3x8 FE ZB XSTB 30080 ZY4 SCREW TAPPI...

Page 37: ...J4R7M CI0 CAPACITOR E ALUMINUM 4 7uF M 50V 5x11 T C174 CEET J4R7M CI0 CAPACITOR E ALUMINUM 4 7uF M 50V 5x11 T C175 CCAT J102K AAB CAPACITOR CERAMIC 1000PF K 50V B T C176 CCAT J102K AAB CAPACITOR CERA...

Page 38: ...10 DIODE RECTIFIER GP60 04F 400V 6A D103 DDMR 00230 T10 DIODE RECTIFIER GP60 04F 400V 6A D104 DDMR 00230 T10 DIODE RECTIFIER GP60 04F 400V 6A D105 DDTR 00040 T10 DIODE RECTIFIER 1N4004S 400V 1A 0 6mm...

Page 39: ...6 1410 20MM 14P MEAC 08215 004 RADIATOR TR MEAC 12693 004 HEAT SINK TR GT101 MPAC 03810 004 TERMINAL GND ET HD T0 3 GT102 MPAC 03810 004 TERMINAL GND ET HD T0 3 GT103 MPAC 03810 004 TERMINAL GND ET HD...

Page 40: ...ESISTOR CARBON FILM 220ohm 1 5W 5 T R134 RCFT E221J 000 RESISTOR CARBON FILM 220ohm 1 5W 5 T R135 RCFT E221J 000 RESISTOR CARBON FILM 220ohm 1 5W 5 T R136 RCFT E221J 000 RESISTOR CARBON FILM 220ohm 1...

Page 41: ...FT E751J 000 RESISTOR CARBON FILM 750ohm 1 5W 5 T R231 RCFT E823J 000 RESISTOR CARBON FILM 82Kohm 1 5W 5 T R245 RCFT E823J 000 RESISTOR CARBON FILM 82Kohm 1 5W 5 T R246 RCFT E823J 000 RESISTOR CARBON...

Page 42: ...FC CAPACITOR CERAMIC 68PF J 50V CH T C404 CCTT J680J 0FC CAPACITOR CERAMIC 68PF J 50V CH T C409 CCTT J681J 0BZ CAPACITOR CERAMIC 680PF J 50V SL T C410 CCTT J681J 0BZ CAPACITOR CERAMIC 680PF J 50V SL T...

Page 43: ...SI 1SS133 40V 0 11A DO 40 T D303 DDTS 00070 SO0 DIODE SI 1SS133 40V 0 11A DO 40 T D304 DDTS 00070 SO0 DIODE SI 1SS133 40V 0 11A DO 40 T D306 DDTS 00070 SO0 DIODE SI 1SS133 40V 0 11A DO 40 T D307 DDTS...

Page 44: ...CARBON FILM 100Kohm 1 5W 5 T R338 RCFT E104J 000 RESISTOR CARBON FILM 100Kohm 1 5W 5 T R339 RCFT E104J 000 RESISTOR CARBON FILM 100Kohm 1 5W 5 T R340 RCFT E104J 000 RESISTOR CARBON FILM 100Kohm 1 5W...

Page 45: ...00 RESISTOR CARBON FILM 22Kohm 1 5W 5 T R451 RCFT E223J 000 RESISTOR CARBON FILM 22Kohm 1 5W 5 T R452 RCFT E223J 000 RESISTOR CARBON FILM 22Kohm 1 5W 5 T R453 RCFT E223J 000 RESISTOR CARBON FILM 22Koh...

Page 46: ...ESISTOR CARBON FILM 560ohm 1 5W 5 T R430 RCFT E561J 000 RESISTOR CARBON FILM 560ohm 1 5W 5 T R431 RCFT E561J 000 RESISTOR CARBON FILM 560ohm 1 5W 5 T R432 RCFT E561J 000 RESISTOR CARBON FILM 560ohm 1...

Page 47: ...2G AA 12V 50mA SW304 SWTA 00220 060 SWITCH TACT THVV 502G AA 12V 50mA SW305 SWTA 00220 060 SWITCH TACT THVV 502G AA 12V 50mA SW306 SWTA 00220 060 SWITCH TACT THVV 502G AA 12V 50mA SW307 SWTA 00220 060...

Page 48: ...KRC107M W RESIST TO92M UA10 9M412 200 WIRE ASS Y 1007 20 WHT 120 10P UM08 A1033 000 WIRE ASS Y 1533 28 1007 26 150 10P UM08 41035 000 WIRE ASS Y 1533 28 180 4P U1T1 0GN20 T10 WIRE ASS Y HIGH WRAP 22...

Page 49: ...C616 CCCT J223Z 0FF CAPACITOR CERAMIC 0 022uF Z 50V F T C636 CCCT J223Z 0FF CAPACITOR CERAMIC 0 022uF Z 50V F T C639 CCCT J223Z 0FF CAPACITOR CERAMIC 0 022uF Z 50V F T C661 CCCT J223Z 0FF CAPACITOR CE...

Page 50: ...IC PLL LC7218JM SOP 24 T606 IFFA 00110 E20 IFT FM AFA011 7mm CAN T604 IFFD 00100 E20 IFT FM DET AFD010 7mm CAN T605 KIAA 00260 E20 COIL AM IFT AAA 026 7MC K502713N4 KR T603 KIAO 00460 E20 COIL AM OSC...

Page 51: ...R CARBON FILM 180Kohm 1 5W 5 T R678 RCFT E184J 000 RESISTOR CARBON FILM 180Kohm 1 5W 5 T R626 RCFT E220J 000 RESISTOR CARBON FILM 22ohm 1 5W 5 T R630 RCFT E220J 000 RESISTOR CARBON FILM 22ohm 1 5W 5 T...

Page 52: ...A107M W RESIST TO92M Q606 TRTA 00940 SD0 TRANSISTOR P H FREQ KRA107M W RESIST TO92M Q609 TRTA 00940 SD0 TRANSISTOR P H FREQ KRA107M W RESIST TO92M Q601 TRTC 0010Y SD0 TRANSISTOR N H FREQ KTC3194 Y TO9...

Page 53: ...AL MJAF 03580 012 KNOB FUNCTION HK3370 ABS MJAF 06570 011 PANEL FRONT HK3370 ABS MJAF 08870 013 KNOB CHOICE HK3370 ABS MJAF 08880 013 DECO CHOICE HK3370 ABS MJAF 15640 014 FOOT A AVR200 MJAF 16050 024...

Page 54: ...C134 CCAT F103Z AAF CAPACITOR CERAMIC 0 01uF Z 25V F T C191 CCAT F223Z AAF CAPACITOR CERAMIC 0 022uF Z 25V F T C192 CCAT F223Z AAF CAPACITOR CERAMIC 0 022uF Z 25V F T C101 CCAT J101K AAB CAPACITOR CE...

Page 55: ...x11 T C140 CEET J4R7M CI0 CAPACITOR E ALUMINUM 4 7uF M 50V 5x11 T C149 CEET J4R7M CI0 CAPACITOR E ALUMINUM 4 7uF M 50V 5x11 T C150 CEET J4R7M CI0 CAPACITOR E ALUMINUM 4 7uF M 50V 5x11 T C159 CEET J4R7...

Page 56: ...400V 1A 0 6mm T D114 DDTR 00040 T10 DIODE RECTIFIER 1N4004S 400V 1A 0 6mm T D115 DDTR 00040 T10 DIODE RECTIFIER 1N4004S 400V 1A 0 6mm T D116 DDTR 00040 T10 DIODE RECTIFIER 1N4004S 400V 1A 0 6mm T D117...

Page 57: ...TAPPING TYPE FC109 MPAC 11620 004 FUSE CLIP 5 2Pi TAPPING TYPE FC110 MPAC 11620 004 FUSE CLIP 5 2Pi TAPPING TYPE FC111 MPAC 11620 004 FUSE CLIP 5 2Pi TAPPING TYPE FC112 MPAC 11620 004 FUSE CLIP 5 2Pi...

Page 58: ...000 RESISTOR CARBON FILM 1 5Kohm 1 5W 5 T R216 RCFT E152J 000 RESISTOR CARBON FILM 1 5Kohm 1 5W 5 T R173 RCFT E202J 000 RESISTOR CARBON FILM 2Kohm 1 5W 5 T R209 RCFT E202J 000 RESISTOR CARBON FILM 2K...

Page 59: ...TOR CARBON FILM 470ohm 1 5W 5 T R109 RCFT E471J 000 RESISTOR CARBON FILM 470ohm 1 5W 5 T R110 RCFT E471J 000 RESISTOR CARBON FILM 470ohm 1 5W 5 T R111 RCFT E471J 000 RESISTOR CARBON FILM 470ohm 1 5W 5...

Page 60: ...8S TERMINAL SPEAKER SH0810360P Q102 TRTA 0012Y SD0 TRANSISTOR P H FREQ KTA1273 Y TO92L Q106 TRTA 00940 SD0 TRANSISTOR P H FREQ KRA107M W RESIST TO92M Q109 TRTA 00940 SD0 TRANSISTOR P H FREQ KRA107M W...

Page 61: ...V 5x11 T C505 CEET J100M CI0 CAPACITOR E ALUMINUM 10uF M 50V 5x11 T C506 CEET J100M CI0 CAPACITOR E ALUMINUM 10uF M 50V 5x11 T C507 CEET J100M CI0 CAPACITOR E ALUMINUM 10uF M 50V 5x11 T C508 CEET J100...

Page 62: ...0140 3TM CONNECTOR WAFER 5267 03A 2 5mm MILK CN302 KNCW 00160 5S9 CONNECTOR WAFER 53015 0510 2mm WHT CN301 KNCW 00823 KS9 CONNECTOR WAFER 6216 20PRA CN801 KNCW 00990 2T9 CONNECTOR WAFER JE202A 1T 02 Z...

Page 63: ...SISTOR CARBON FILM 180ohm 1 5W 5 T R323 RCFT E181J 000 RESISTOR CARBON FILM 180ohm 1 5W 5 T R324 RCFT E181J 000 RESISTOR CARBON FILM 180ohm 1 5W 5 T R325 RCFT E181J 000 RESISTOR CARBON FILM 180ohm 1 5...

Page 64: ...CARBON FILM 4 7Kohm 1 5W 5 T R310 RCFT E472J 000 RESISTOR CARBON FILM 4 7Kohm 1 5W 5 T R311 RCFT E472J 000 RESISTOR CARBON FILM 4 7Kohm 1 5W 5 T R312 RCFT E472J 000 RESISTOR CARBON FILM 4 7Kohm 1 5W...

Page 65: ...RMOH J221J 040 RESISTOR METAL OXIDE 220ohm 2W 5 H R447 RMOR H470J 0C0 RESISTOR METAL OXIDE 47ohm 1W 5 ERG X 1SJ470E R448 RMOR H470J 0C0 RESISTOR METAL OXIDE 47ohm 1W 5 ERG X 1SJ470E R449 RMOR H470J 0...

Page 66: ...2M Q304 TRTC 01700 SD0 TRANSISTOR N H FREQ KRC107M W RESIST TO92M Q305 TRTC 01700 SD0 TRANSISTOR N H FREQ KRC107M W RESIST TO92M Q306 TRTC 01700 SD0 TRANSISTOR N H FREQ KRC107M W RESIST TO92M Q435 TRT...

Page 67: ...CT J223Z 0FF CAPACITOR CERAMIC 0 022uF Z 50V F T C639 CCCT J223Z 0FF CAPACITOR CERAMIC 0 022uF Z 50V F T C661 CCCT J223Z 0FF CAPACITOR CERAMIC 0 022uF Z 50V F T C603 CCCT J473Z 0JF CAPACITOR CERAMIC 0...

Page 68: ...20 COIL FM MPX FILTER AMA001 19KHz 10mm CAN T602 KIML A0010 E20 COIL FM MPX FILTER AMA001 19KHz 10mm CAN CN702 KNCW 00160 5S9 CONNECTOR WAFER 53015 0510 2mm WHT CN701 KNCW 00240 AT9 CONNECTOR WAFER 53...

Page 69: ...000 RESISTOR CARBON FILM 22Kohm 1 5W 5 T R619 RCFT E271J 000 RESISTOR CARBON FILM 270ohm 1 5W 5 T R705 RCFT E271J 000 RESISTOR CARBON FILM 270ohm 1 5W 5 T R627 RCFT E273J 000 RESISTOR CARBON FILM 27Ko...

Page 70: ...R TO92 Q610 TRTC 0016G SD0 TRANSISTOR N H FREQ KTC3198 GR TO92 Q701 TRTC 01060 SD0 TRANSISTOR N H FREQ KTC3203 TO92 Q702 TRTC 01700 SD0 TRANSISTOR N H FREQ KRC107M W RESIST TO92M Q603 TRTD 00200 SD0 T...

Page 71: ...3 Circuit Description CPU IC401 uPD780204GF 1 Pin Configuration hk3370 hk3470 harman kardon 71...

Page 72: ...off 20 P24 O H PWR_RLY Power Relay on off 21 P23 O H VR_UP Volume up 22 P22 O H VR_DOWN Volume Down 23 P21 I L PROTECT Detect protection 24 P20 O H PWR_MUTE Power Mute 25 AVss L GND Analog ground 26 P...

Page 73: ...P29 O H S14 FIP segment output 71 FIP28 O H S13 FIP segment output 72 FIP27 O H S12 FIP segment output 73 FIP26 O H S11 FIP segment output 74 FIP25 O H S10 FIP segment output 75 FIP24 O H S9 FIP segme...

Page 74: ...1 2 3 4 5 6 PLL MODE 1 PLL MODE 2 PLL MODE 3 PLL MODE 2 PLL MODE 3 PLL MODE 1 5 6 2 3 1 4 A dotted line In case that IF COUNT is not proper follow PLL MODE of 5 6 When changing BAND selecting the PRE...

Page 75: ...1 1 1 1 1 1 MANUAL TUNING UP DOWN MANUAL TUNING UP DOWN KEY OFF 1 2 3 1 4 5 6 75...

Page 76: ...1 2 3 1 4 5 6 1 2 3 1 3 1 1 2 2 3 1 4 5 6 AUTO TUNING UP DOWN POWER ON 76...

Page 77: ...4 Pheriperal IC Operation 1 FUNCTION IC LC7821 1 3 77...

Page 78: ...2 PLL IC LC7218 2 MODE 2 FREQUENCY OUT OUTPUT CONTROL 3 MODE 3 IF COUNT READ 1 MODE 1 FREQUENCY OUT TUNED CHECK 78...

Page 79: ...ection which can supply an output current of up to 100mA typical according to the logic control Features 1 Motor driving power transistors are built in 100mA typically 2 Brake is applied when stopping...

Page 80: ...Motor driver ICs BA6208 BA6208F Electrical characteristics unless otherwise noted Ta 25 C and VCC 9V Internal circuit configuration External dimensions Units mm hk3370 hk3470 harman kardon 80...

Page 81: ...cking over temperature range Gain and phase match between amplifiers Internally frequency compensated Low noise input transistors Descriptions The KA4558 is a monolithic integrated circuit designed fo...

Page 82: ...HI M602H0 REMOTE RECEIVER hk3370 hk3470 harman kardon 82...

Page 83: ...n for the CPU Mounted Equipment such as Personal Computers Printers VTRs and so forth N 1 00 M 0 45 MAX N M C E C E L F F H G K J A B 3 2 1 D 2 30 0 55 MAX 14 00 0 50 0 45 0 85 1 27 1 00 0 45 3 70 MAX...

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Page 85: ...IC 603 LA3401 hk3370 hk3470 harman kardon 85...

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Page 92: ...er AMIN pin Pulse swallower and direct division techniques Reference frequencies Ten selectable frequencies 1 5 9 10 3 125 6 25 12 5 25 50 and 100 kHz Output ports 7 pins Complementary outputs 2 pins...

Page 93: ...Package Dimensions unit mm unit mm 3045B MFP24 3112 MFP24S Pin Assignments No 4758 2 16 LC7218 7218M 7218JM SANYO MFP24 LC7218M SANYO MFP24S LC7218JM hk3370 hk3470 harman kardon 93...

Page 94: ...Parameter Symbol Conditions Ratings Unit Maximum supply voltage VDD max VDD 0 3 to 7 0 V Input voltage VIN 1 CE CL DI IN0 IN1 0 3 to 7 0 V VIN 2 Input pins other than VIN 1 0 3 to VDD 0 3 V VOUT 1 DO...

Page 95: ...will be the value set When SP in the serial input data is set to 0 Input frequency range 0 5 to 10 MHz 70 mVrms minimum The signal is supplied directly to a 12 bit programmable divider The divisor se...

Page 96: ...serial input data is set to 1 Input frequency range 10 to 60 MHz 70 mVrms minimum The signal is supplied to a general purpose 20 bit binary counter after passing through a divide by eight circuit The...

Page 97: ...4 Low current consumption Active at 5V 1 5mA Typ Standby at 5V 0 1 A Typ 5 Auto erase and auto complete functions can be used during write operations 6 Page write function BR24C01A W AF W AFJ W AFV W...

Page 98: ...VCC LEVEL DETECT ADDRESS REGISTER SLAVE WORD BR24C04 W F W FJ W FV W 4kbits EEPROM ARRAY CONTROL LOGIC HIGH VOLTAGE GEN ACK START STOP 9bits 9bits 8bits DATA REGISTER ADDRESS DECODER A0 A1 A2 1 2 3 4...

Page 99: ...0 15 7 62 BR24C01A W BR24C02 W BR24C04 W SOP8 0 15 0 3Min 0 15 0 1 0 4 0 1 0 11 6 2 0 3 4 4 0 2 5 0 0 2 8 5 4 1 1 27 1 5 0 1 BR24C01AF W BR24C02F W BR24C04F W SSOP B8 5 4 8 1 0 1 6 4 0 3 4 4 0 2 3 0 0...

Page 100: ...S N Local OSC with ALC Local OSC buffer Tuning indicator pin common with narrow band stop signal and muting drive output Variable stop sensitivity variable separately for FM AM Less tweet interferenc...

Page 101: ...Local OSC buffer output VOSC fosc 1 45MHz 220 280 340 mV IF buffer output VIF VIN 20dB 120 180 250 mV FM fc 10 7MHz fm 1kHz Quiescent current Icco No input 29 40 mA Input limiting sensitivity 3dBL S 3...

Page 102: ...Front End FE601 FTA3 509HA U S A Version Front End FE601 FTA4 460H E U Version hk3370 hk3470 harman kardon 102...

Page 103: ...hk3370 hk3470 harman kardon 103...

Page 104: ...HK3370 HK3470 P C BOARD MAIN MAIN 104...

Page 105: ...HK 3370 P C BOARD AMP AMP 105...

Page 106: ...P C BOARD AMP HK 3470 AMP 106...

Page 107: ...P C BOARD FRONT FRONT HK3370 HK3470 107...

Page 108: ...P C BOARD TUNER VR HP COIL TUNER VR HP COIL HK3370 HK3470 108...

Page 109: ...HK3370 HK3470 P C BOARD TONE POWER SW LED TONE POWER SW LED 109...

Page 110: ...HK 3370 SCHEMATIC DIAGRAM MAIN 110...

Page 111: ...SCHEMATIC DIAGRAM MAIN HK 3370...

Page 112: ...HK 3370...

Page 113: ...SCHEMATIC DIAGRAM MAIN HK3470 113...

Page 114: ...SCHEMATIC DIAGRAM MAIN HK3470...

Page 115: ...HK3470...

Page 116: ...SCHEMATIC DIAGRAM AMP TONE ETC HK3 POWER AMP TONE VR LED POWER SW POWER LED HK 3370 HK 3470 116...

Page 117: ...SCHEMATIC DIAGRAM FRONT HK3370 HK3470 117...

Page 118: ...SCHEMATIC DIAGRAM FRONT HK3370 HK3470...

Page 119: ...HK3370 HK3470...

Page 120: ...SCHEMATIC DIAGRAM TUNER VR HP HK 3370 HK 3470 HEAD PHONE TUNER 120...

Page 121: ...12 WIRING DIAGRAM HK 3370 HK 3470 121...

Page 122: ...HK 3370 122...

Page 123: ...HK 3470 123...

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Harman Kardon HK 3370, Service Manual

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