《HarmanKardon-AVR3550-avr-sm维修电路原理图.pdf》由会员分享,可在线阅读,更多相关《HarmanKardon-AVR3550-avr-sm维修电路原理图.pdf(63页珍藏版)》请在收音机爱好者资料库上搜索。
1、AVR 3550 Audio/VideoReceiver Service Manual AVR 3550 Power for the Digital Revolution RadioFans.CN Technical Specifications Audio Section Stereo Mode Continuous Average Power (FTC) 65 Watts per channel, 20Hz20kHz, 0.07% THD, both channels driven into 8 ohms Five-Channel Surround Modes Power Per Indi
2、vidual Channel Front L Amplifier is in protection mode Check speaker wire connections for shorts at receiver and light around power switch is reddue to possible shortspeaker ends Amplifier is in protection mode Contact your local Harman Kardon service center, which you can due to internal problemslo
3、cate by visiting our Web site at No sound from surround or Incorrect surround mode Select a mode other than Stereo or Dolby 3 Stereo center speakers Input is monaural There is no surround information from mono sources Incorrect configuration Check speaker mode configuratioin Stereo or Mono program m
4、aterial The surround decoder may not create center- or rear-channel information from nonencoded programs Unit does not respond to Weak batteries in remote Change remote batteries remote commands Wrong device selected Press the AVR selector Remote sensor is obscured Make certain front-panel sensor is
5、 visible to remote or connect remote sensor Intermittent buzzing in tuner Local interference Move unit or antenna away from computers, fluorescent lights, motors or other electrical appliances Letters flash in the channel indicator Digital audio feed paused Resume play for DVD display and digital au
6、dio stops Check that Digital Input is selected RadioFans.CN AMPLIFIER SECTION BIAS ADJUSTMENT CUP11517X (MAIN PCB) Measurement condition . No input signal or volume position is minimum. Standard value. . Ideal current = 48mA ( 5%) . Ideal DC Voltage = 21.12mV ( 5%) DC VOLTMETER.Connect to CN61, CN62
7、, CN63, CN64, CN65 NO.ChannelAdjust forAdjustment 1Front Left21.12mV (5%) VR61 CN61 VR61 2Front Right21.12mV (5%) 21.12mV (5%) 21.12mV (5%) 21.12mV (5%) VR62 CN62 VR62 3Center VR63 CN63 VR63 4Surround Left VR64 CN64 VR64 5Surround Right VR65 VR65 CN65 n Block Diagram SCFDACDATT DZFL1 LOUT1+ LOUT1- S
8、CFDACDATT DZFR1 ROUT1+ ROUT1- SCFDACDATT DZFL2 LOUT2+ LOUT2- SCFDACDATT DZFR2 ROUT2+ ROUT2- SCFDACDATT DZFL3 LOUT3+ LOUT3- SCFDACDATT DZFR3 ROUT3+ ROUT3- Audio I/F Control Register AK4356 MCLK LRCK BICK MCKO LRCK BICK XTI XTO Controller CS CCLK CDTI LRCK BICK SDOUT1 SDOUT2 SDOUT3 AC3 SDTI1 SDTI2 SDT
9、I3 LOUT1- ROUT1+ 1 LOUT1+ 44 2 DZFL23 DZFR14 DZFL15 CAD06 CAD17 PDN8 BICK9 MCLK10 DVDD11 ROUT1-43 LOUT2+42 LOUT2-41 ROUT2+40 ROUT2-39 LOUT3+38 LOUT3-37 ROUT3+36 ROUT3-35 AVSS34 DVSS12 SDTI113 SDTI214 SDTI315 LRCK16 SMUTE17 CCLK18 CDTI19 CSN20 DFS021 CKS022 33 32 31 30 29 28 27 26 25 24 23 AVDD VREFH
10、 DZFR2 DZFL3 DZFR3 DZFE DIF2 DIF1 DIF0 CKS2 CKS1 AK4356VQ Top View D/A CONVERTER IC PIN ASSIGNMENT & BLOCK DIAGRAM PIN ASSIGNMENT (TOP VIEW) PIN/FUNCTION No.Pin NameI/OFunction 1LOUT1-ODAC1 Lch Negative Analog Output Pin 2LOUT1+ODAC1 Lch Positive Analog Output Pin 3DZFL2ODAC2 Lch Zero Input Detect P
11、in 4DZFR1ODAC1 Rch Zero Input Detect Pin 5DZFL1ODAC1 Lch Zero Input Detect Pin 6CAD0IChip Address 0 Pin 7CAD1IChip Address 1 Pin 8PDNIPower-Down & Reset Pin When “L”, the AK4356 is powered-down and the control registers are reset to default state. If the state of CAD0-1 changes, then the AK4356 must
12、 be reset by PDN. 9BICKIAudio Serial Data Clock Pin 10MCLKIMaster Clock Input Pin 11DVDD-Digital Power Supply Pin, +4.75+5.25V 12DVSS-Digital Ground Pin 13SDTI1IDAC1 Audio Serial Data Input Pin 14SDTI2IDAC2 Audio Serial Data Input Pin 15SDTI3IDAC3 Audio Serial Data Input Pin 16LRCKIAudio Input Chann
13、el Clock Pin 17SMUTEISoft Mute Pin (Note) When this pin goes to “H”, soft mute cycle is initialized. When returning to “L”, the output mute releases. 18CCLKIControl Data Clock Pin 19CDTIIControl Data Input Pin 20CSNIChip Select Pin This pin should be held to “H” except for access. D/A CONVERTER IC P
14、IN FUNCTION (AK4356VQ) : IC78 No.Pin NameI/OFunction 21DFS0IDouble Speed Sampling Mode 0 Pin (Note) “L”: Normal Speed, “H”: Double Speed at DFS1 bit = “0”. 22CKS0IInput Clock Select 0 Pin (Note) 23CKS1IInput Clock Select 1 Pin (Note) 24CKS2IInput Clock Select 2 Pin (Note) 25DIF0IAudio Data Interface
15、 Format 0 Pin (Note) 26DIF1IAudio Data Interface Format 1 Pin (Note) 27DIF2IAudio Data Interface Format 2 Pin (Note) 28DZFEIZero Input Detect Enable Pin (Note) 29DZFR3ODAC3 Rch Zero Input Detect Pin 30DZFL3ODAC3 Lch Zero Input Detect Pin 31DZFR2ODAC2 Rch Zero Input Detect Pin 32VREFHIPositive Voltag
16、e Reference Input Pin, AVDD 33AVDD-Analog Power Supply Pin 34AVSS-Analog Ground Pin, +4.75+5.25V 35ROUT3-ODAC3 Rch Negative Analog Output Pin 36ROUT3+ODAC3 Rch Positive Analog Output Pin 37LOUT3-ODAC3 Lch Negative Analog Output Pin 38LOUT3+ODAC3 Lch Positive Analog Output Pin 39ROUT2-ODAC2 Rch Negat
17、ive Analog Output Pin 40ROUT2+ODAC2 Rch Positive Analog Output Pin 41LOUT2-ODAC2 Lch Negative Analog Output Pin 42LOUT2+ODAC2 Lch Positive Analog Output Pin 43ROUT1-ODAC1 Rch Negative Analog Output Pin 44ROUT1+ODAC1 Rch Positive Analog Output Pin Note:SMUTE, DFS0, CKS0, CKS1, CKS2, DIF0, DIF1, DIF2,
18、 DZFE pins are ORed with serial control register. Input Selector Clock RecoveryClock Generator DAIF Decoder AC-3/MPEG Detect DEM P I/F Audio I/F Xtal Oscillator PDN INT0P/S=”L” LRCK BICK SDTO DAUX MCKO2 XTOXTI RAVDDAVSS CDTI CDTO CCLK CSN DVDD DVSS TVDD MCKO1 IIC RX0 RX1 RX2 RX3 RX4 RX5 RX6 RX7 DIT
19、TX0 Error & Detect STATUS INT1 Q-subcode buffer TX1 B,C,U,VOUT 8 to 3 VIN Serial Control Mode Input Selector Clock RecoveryClock Generator DAIF Decoder AC-3/MPEG Detect DEM Audio I/F Xtal Oscillator PDN INT0P/S=”H” LRCK BICK SDTO DAUX XTOXTI RAVDDAVSS CM1 CM0 OCKS1 OCKS0 DVDD DVSS TVDD IPS1 RX0 RX1
20、RX2 RX3 IPS0 DIF0 DIF1 DIF2 DIT TX0 Error & Detect STATUS INT1 TX1 B,C,U,VOUT 4 to 2 VIN MCKO2 MCKO1 Parallel Control Mode BLOCK DIAGRAM IPS0/RX4 RX3 1 AVSS 48 2 DIF0/RX53 TEST24 DIF1/RX65 AVSS6 DIF2/RX77 IPS1/IIC8 P/SN9 XTL010 XTL1 AVSS 47 RX246 45 44 AVSS43 RX042 AVSS41 VCOM40 R 39 AVDD38 TVDD13 N
21、C14 TX015 TX116 BOUT17 18 UOUT19 VOUT20 DVDD21 DVSS22 MCKO123 36 35 34 33 32 31 30 29 28 27 26 INT0 OCKS0/CSN/CAD0 OCKS1/CCLK/SCL CM1/CDTI/SDA CM0/CDTO/CAD1 PDN XTI XTO DAUX MCKO2 BICK AK4114VQ Top View COUT TEST1 RX1 INT137LRCK24 11 VIN1225SDTO DIR IC PIN ASSIGNMENT & BLOCK DIAGRAM PIN ASSIGNMENT (
22、TOP VIEW) PIN/FUNCTION No. Pin Name I/O Function IPS0 I Input Channel Select 0 Pin in Parallel Mode 1 RX4 I Receiver Channel 4 Pin in Serial Mode (Internal biased pin) 2 NC(AVSS) I No Connect No internal bonding. This pin should be connected to AVSS. DIF0 I Audio Data Interface Format 0 Pin in Paral
23、lel Mode 3 RX5 I Receiver Channel 5 Pin in Serial Mode (Internal biased pin) 4 TEST2 I TEST 2 pin This pin should be connect to AVSS. DIF1 I Audio Data Interface Format 1 Pin in Parallel Mode 5 RX6 I Receiver Channel 6 Pin in Serial Mode (Internal biased pin) 6 NC(AVSS) I No Connect No internal bond
24、ing. This pin should be connected to AVSS. DIF2 I Audio Data Interface Format 2 Pin in Parallel Mode 7 RX7 I Receiver Channel 7 Pin in Serial Mode (Internal biased pin) IPS1 I Input Channel Select 1 Pin in Parallel Mode 8 IIC I IIC Select Pin in Serial Mode. “L”: 4-wire Serial, “H”: IIC 9 P/SN I Par
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- HarmanKardon AVR3550 avr sm 维修 电路 原理图