1 Other Specifications CD player section Signal-to-noise ratio 94 dB Frequency response 5 – 20,000 Hz Wow and flutter Below measurable limit Laser Diode Properties Material GaAlAs Wavelength 780 nm Emission Duration Continuous Laser output power Less than 44.6 µW* * This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick-up Block. Cassette player section Tape track 4-track 2-channel stereo Wow and flutter 0.08 % (WRMS) Frequency response 30 – 20,000 Hz Signal-to-noise ratio Cassette type Dolby B NR Dolby NR off TYPE II, IV 67 dB 58 dB TYPE I 64 dB 55 dB Model Name Using Similar Mechanism NEW CD Drive Mechanism Type MG-378X-121 Optical Pick-up Name KSS-521A Model Name Using Similar Mechanism XR-C8820 Tape Transport Mechanism Type MG-25E-136 SERVICE MANUAL US Model E Model CHANGER CONTROL AUDIO MASTER MICROFILM SPECIFICATIONS – Continued on next page – CD Section TC Section Dolby noise reduction manufactured under license from Dolby Labo- ratories Licensing Corporation. “DOLBY” and the double-D symbol a are trademarks of Dolby Laboratories Licensing Corporation. AUDIO POWER SPECIFICATIONS (US Model) POWER OUTPUT AND TOTAL HARMONIC DISTORTION 13 watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 1% total harmonic distortion. Tuner section FM Tuning range US model: 87.5 – 107.9 MHz E model: FM tuning interval: 50 kHz/200 kHz switchable 87.5 – 108.0 MHz (at 50 kHz step) 87.5 – 107.9 MHz (at 200 kHz step) Antenna terminal External antenna connector Intermediate frequency 10.7 MHz Usable sensitivity 9 dBf Selectivity 75 dB at 400 kHz Signal-to-noise ratio 65 dB (stereo), 68 dB (mono) Harmonic distortion at 1 kHz 0.7% (stereo), 0.4% (mono) Separation 35 dB at 1 kHz Frequency response 30 – 15,000 Hz www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 25 SECTION 6 DIAGRAMS • IC500 µPD78058GC-B51-8BT (SYSTEM CONTROL) Pin No. Pin Name I/O Pin Description 1 VSM I FM, AM common signal meter A/D conversion input 2 NIL I Not used. (Connect to ground in this set.) 3 SD-IN I Station detecter input (“H” : with SD) 4 AVSS — Analog ground 5 FM-ST I FM stereo input pin (“L” : stereo) 6 AM-ST I AM stereo input pin (“L” : stereo) 7 AVREF — Reference power supply for D/A conversion. 8 PLL-SI I PLL serial data input 9 PLL-SO O PLL serial data output 10 PLL-CKO O PLL serial clock output 11 PLL-CE O PLL serial chip enable output 12 AMS I Music with/without detection input at AMS. (“L” : with music, “H” : without music) 13 PLAY/AMS O Tape AMS control output 14 F/R O FWD/REV detection output (“H” : FWD, “L” : REV) 15 MTL O Metal control output (“H” : metal) 16 BUS-SI I Uni-link serial interface data input 17 BUS-SO O Uni-link serial interface data output 18 BUS-CKI I Uni-link serial interface clock input 19 BUS-CKO O Uni-link serial interface clock output 20 TAPE-MUTE O Tape mute control output 21 DOLON I/O Dolby control input/output 22 EQ-CE O Equalizer serial chip enable output (Not used in this set.) 23 EQ-CLK O Equalizer serial clock output (Not used in this set.) 24 DATA O Serial data output 25 VOL-CLK O Electronic volume serial clock output 26 VOL-CE O Electronic volume serial chip enable output 27 MUT O System mute control output 28 AMP-ON O Power amplifier power supply control output 29 AUX-MUT O AUX mute control output 30 C/B I/O Dolby B/C select control output (Not used in this set.) 31 PWR-SEL I Power select initial setting input 32 TEST I Test mode setting input 33 VSS — Ground 34 NIL I Not used. (Connect to ground in this set.) 35 POWER-ON O System power supply control output 36 TUN-ON O Tuner power supply control output 37 FM-ON O FM power supply control output 38 AM-ON O AM power supply control output (Not used in this set.) 39 NIL I Not used. (Connect to ground in this set.) 40 CM-ON O Capstan motor control output 41 TP-ON O Tape power supply control output 42 LM-EJ O Loading motor control output (Eject direction) 43 LM-LOD O Loading motor control output (Loading direction) 44, 45 POS1, 0 I Position signal detection input 1, 0 46 BEEP O Buzzer control output 47, 48 POS2, 3 I Position signal detection input 2, 3 49 REL I Reel stand rotation detection input 50 RC-IN1 I Rotary commander A/D conversion input 1 51 SUB-CE O Sub serial chip enable output (Not used in this set.) 52 SUB-DATA O Sub serial data output (Not used in this set.) 53 SUB-CLK O Sub serial clock output (Not used in this set.) 6-1. IC PIN DESCRIPTIONS www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 26 Pin No. Pin Name I/O Pin Description 54 SYS-RST O System reset signal output 55 BUS-ON O Bus ON control output 56, 57 RE1, 0 I Rotary encoder input 1, 0 58 AD-ON O Power supply output for A/D conversion. 59 RAMBU I RAM reset detection input 60 RESET — Reset input 61 SIRCS I Remote control input (Not used in this set.) 62 BU-IN I Backup power detection input 63 NIL — Not used (Connect to ground in this set.) 64 ACC-IN I Accessory power supply detection input 65 DIMMER I Dimmer control input 66 TEL-MUTE I Telephone mute control input 67 KEY-ACK I Key input acknowledge 68 VDD — µ-con power supply 69 X2 O Main ceramic oscillator output (5 MHz) 70 X1 I Main ceramic oscillator input (5 MHz) 71 IC — Connect to ground in this set. 72 XT2 O Sub crystal oscillator output (32.768 kHz) 73 XT1 I Sub crystal oscillator input (32.768 kHz) 74 AVDD — Power supply for A/D conversion. 75 AVREF — Reference power supply for A/D conversion. 76, 77 KEY-IN0, 1 I Key input 0, 1 78 KEY-IN2 I Key input 2 (Not used in this set.) 79 RC-IN0 I Rotary commander A/D conversion input 0 80 DSTSEL I Initial setting input of destination. (“H” : US model, “L” : E model) www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 27 • IC801 µPD78054GC-A32-8BT (CD SYSTEM CONTROL) Pin No. Pin Name I/O Pin Description 1 LEDCLK — Not used in this set. 2 LEDCKO — Not used in this set. 3 LEDSO — Not used in this set. 4 AVSS — Analog ground 5 FL-CE0 O Display driver chip select output 0 6 FL-CE1 O Display driver chip select output 1 (Not used in this set.) 7 AVREF1 — Reference power supply for D/A conversion. 8 FL-RST O Display driver reset output (Not used in this set.) 9 FL-SO O Display driver data output 10 FL-CKO O Display driver clock output 11 SRDT — Not used in this set. 12 NCO — Not used. 13 SCLK — Not used in this set. 14 FL-BLK O Display driver blank control output 15 NIL — Not used. (Connect to ground in this set.) 16 UNISI I Uni-link serial interface data input 17 UNISO O Uni-link serial interface data output 18 UNICKI I Uni-link serial interface clock input 19 LINKOFF O Link off output 20 ILLON O Illumination power supply control output 21 CMDON O CD mechanism power supply control output 22 CD-ON O CD power supply control output 23 SP-SEL O Signal (L/R channel) select control signal output to spectrum analyzer control IC. 24 SP-C O Frequency select control signal output to spectrum analyzer control IC. 25 SP-B O Frequency select control signal output to spectrum analyzer control IC. 26 SP-A O Frequency select control signal output to spectrum analyzer control IC. 27 CDMUT O CD mute control output 28 EMPH-O O Emphasis control output 29 CD-RST O CD signal process IC reset output 30 XMODE — Not used in this set. 31, 32 NIL — Not used. (Connect to ground in this set.) 33 VSS — Ground 34 TBTGSEL I CD tracking balance, tracking gain auto adjustment select input. 35 – 39 NIL — Not used. (Connect to ground in this set.) 40 GFS I GFS signal detection input 41 SQ-SI I SUB Q data input 42 SQ-CKO O SUB Q clock output 43 NIL — Not used. (Connect to ground in this set.) 44 CD-SO O CD signal process serial data output 45 CD-LAT O CD signal process latch output 46 CD-CKO O CD signal process serial clock output 47 PH2 I 8/12 cm disc detection input 48 F-OK I Focus signal detection input 49 LD-ON O Laser on/off select control output 50 D-SW I Down switch detection input 51 PH1 I Disc insert detection input 52 L-SW I Sled limit switch input 53 LM-LOD O Loading motor control output (Loading direction) 54 LM-EJ O Loading motor control output (Eject direction) 55 PH3 I Disc detect sensor input 56 CTL1 O Driver IC control output 57 NCO — Not used. www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 28 Pin No. Pin Name I/O Pin Description 58 EESIO O Not used in this set. 59 EECKO O Not used in this set. 60 RESET — Reset input 61 SCOR I SCOR signal detection input 62 CNIN I Track jump count input 63 SELF-SW I Disc self store detection input 64 SENS I SENS signal detection input 65 DQSY — Not used in this set. 66 BUIN I Backup power supply detection input 67 BUSON I Bus on control input 68 VDD — µ-con power supply 69 X2 O Main ceramic oscillator output (5 MHz) 70 X1 I Main ceramic oscillator input (5 MHz) 71 IC — Not used. (Not used in this set.) 72 XT2 O Sub crystal oscillator output (Not used in this set.) 73 XT1 I Sub crystal oscillator input (Connect to ground in this set.) 74 AVDD — Power supply for A/D conversion. 75 AVREF — Reference power supply for A/D conversion. 76 NIL — Not used. (Connect to ground in this set.) 77 SP-IN I Spectrum analyzer control signal input from spectrum analyzer control IC. 78 TSTIN0 I LOAD/EJECT prohibition setting input 79 NCO — Not used. 80 LEDOE — Not used in this set. www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 34 34 WX-C55 6-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 35 for Waveforms and page 48 for IC Block Diagrams. Note: • Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : CD PLAY ∗ : Impossible to measure (Page 35) w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 35 35 WX-C55 6-8. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 48 for IC Block Diagrams. Note: • Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : CD PLAY (Page 34) (Page 37) • Waveforms (MODE : CD PLAY) 1 2 3 4 5 6 7 IC1 3 (MDP) 2.6Vp-p 7.6µsec IC1 @º (LRCK) 5.8Vp-p 22.7µsec IC1 @™ (BCK) 5.7Vp-p 474nsec 16.89MHz IC1 #¢ (XTAI) 3.2Vp-p Approx. 200mVp-p IC2 $™ (TEO) 0V Approx. 620mVp-p IC2 1 (FEO) 0V IC2 #¡ (RFO) 1.2Vp-p w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 37 37 WX-C55 6-12. SCHEMATIC DIAGRAM — CD SECTION — • Refer to page 51 for IC Block Diagrams. Note: • Voltage is dc with respect to ground under no-signal condition. no mark : CD PLAY (Page 41) (Page 46) (Page 41) (Page 35) (Page 36) (Page 36) w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 40 40 WX-C55 6-14. SCHEMATIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 50 for IC Block Diagrams. Note: • Voltage is dc with respect to ground under no-signal condition. no mark : FM ( ) : AM (Page 41) (Page 42) w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 41 41 WX-C55 6-15. SCHEMATIC DIAGRAM — MAIN SECTION (2/4) — Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM (Page 43) (Page 42) (Page 40) (Page 37) (Page 37) w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 42 42 WX-C55 6-16. SCHEMATIC DIAGRAM — MAIN SECTION (3/4) — • Refer to page 50 for IC Block Diagrams. (Page 43) (Page 40) (Page 41) Note: • Voltage is dc with respect to ground under no-signal condition. no mark : FM ( ) : TAPE PLAY w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 43 43 WX-C55 6-17. SCHEMATIC DIAGRAM — MAIN SECTION (4/4) — • Refer to page 50 for IC Block Diagrams. (Page 42) (Page 41) (Page 47) (Page 46) Note: • Voltage is dc with respect to ground under no-signal condition. no mark : FM ( ) : AM w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 46 46 6-19. SCHEMATIC DIAGRAM — CONTROL SECTION — (Page 37) (Page 43) WX-C55 Note: • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM w w w . x i a o y u 1 6 3 . c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 47 6-21. SCHEMATIC DIAGRAM — JOG SECTION — (Page 43) 6-20. PRINTED WIRING BOARD — JOG SECTION — (Page 39) WX-C55 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 48 • IC Block Diagrams IC1 CXD2507AQ (SERVO BOARD) IC3 BA6796FP-T1 XLON SPOD SPOC SPOB SPOA CLKO VDD CNIN SEIN CLOK XLAT XLTO DATO 52 53 54 55 56 57 58 59 60 61 62 63 64 51 SERVO AUTO SEQUENCER 33 34 35 36 37 38 39 40 41 42 43 45 46 47 48 49 50 44 DATA XRST SENS MUTE SQCK SQSO EXCK SBSO SCOR VSS WFCK EMPH DOUT C4M FSTT XTSL XTAO XTAI MNTO 20 21 22 23 24 25 26 27 29 30 31 32 28 LRCK PCMD BCLK GTOP XUGF XPCK VDD GFS RFCK C2PO XROF MNT3 MNT1 1 2 3 4 5 6 7 8 9 10 11 12 16 17 18 19 13 14 15 FOK MON MDP MDS LOCK TEST FILO FILI PCO VSS AVSS CLTV AVDD RF BIAS ASYI ASYO ASYE WDCK 5 14 CPU INTERFACE SUB CODE PROCESSOR DIGITAL CLV EFM DEMODULATOR DIGITAL PLL ASYMMETRY CORRECTOR 5 D/A INTERFACE ERROR CORRECTOR 3 6 3 16K RAM DIGITAL OUT CLOCK GENERATOR 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 OPOUT CH4-IN CH4 CTL1 CTL2 FWD REV TRAY GND CH3 – CH5 – COM CH4 + CH3 + CH3-IN CH3 VREF CH2 CH2-IN VCC VCC CH1 – CH2 – CH1-IN OP IN – CH1 CH1 + OP IN + CH2 + DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER DRIVE BUFFER LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT THERMAL SHUT DOWN 15 16 17 18 19 20 21 22 23 24 25 26 27 28 LOGIC CTL1 CTL2 FWD REV V/I www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 49 IC2 CXA1782BQ 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 37 38 39 40 41 42 43 44 45 46 47 48 PHD 2 PHD 1 PHD LD RF O RF I CP CB CC1 CC2 FOK SENS C.OUT XRST DATA XLT CLK VCC ISET SL O SL M SL P TA O TA M FSET TG2 TGU SRCH FE O FLB FGD FDFCT FE M FEI FEO FE BIAS F E EI VEE TED LPFI TEI ATSC TZC TDFCT VC APC LEVEL S FOK MIRR RF IV AMP1 RF IV AMP2 FE AMP TTL IIL FZC COMP DFCT IIL TTL IIL DATA REGISTER INPUT SHIFT REGISTER ADDRESS DECODER OUTPUT DECODER TTL IIL TOG1-3 BAL1-3 FS1-4 TG1-2 TM1-7 PS1-4 F IV AMP E IV AMP BAL1 BAL2 BAL 3 TE AMP TZC COMP DFCT TM1 DFCT FS4 ATSC WINDOW COMP TOG1 TOG2 TOG3 FCS PHASE COMPENSATION FS1 F SET TG2 TM7 TM3 TM4 TM5 TM6 ISET TRACKING PHASE COMPENSATION HPF COMP LPF COMP TG1 FS2 TM2 RF M www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 50 1 2 3 4 5 6 7 8 9 10 14 13 12 11 BUS ON SWITCH RESET SWITCH BATTERY SWITCH BUS ON RST BATT CLK VREF DATA GND VCC RST BUS ON CLK IN BU IN DATA IN DATA OUT IC1 BU2624FV (MAIN BOARD) IC300 CXA2510AQ IC331, 341 NJM4558M IC620 BA8270F PHASE DET PRESCALER MAIN COUNT IF COUNT CTL 20BIT COUNT SHIFT REGISTER LATCH REFERENCE DIVIDER I/O CTL 1 2 4 5 6 7 9 10 20 18 17 16 15 14 13 12 11 19 XIN CE CK DA CD P0 P1 P3 XOUT VSS PD VDD FMIN AMIN P2 IFIN SD P4 + – 6 7 5 8 B + – 2 1 3 4 A A OUT A IN– A IN+ VEE VCC B OUT B IN– B IN+ + – + – + – + – + – 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 21 22 23 26 27 28 29 30 31 32 33 34 37 38 39 40 24 25 PBFB2 PBRIN2 PBREF2 PBFIN2 35 36 PBGND VCT PBFIN1 PBREF1 PBRIN1 PBFB1 PBEQ2 PBOUT2 VCC TAPEIN2 AUXIN2 MSLPF LINEOUT2 TCH2 NC PLAY FF MSTC DGND MSOUT NC NRSW INSW TAPESW MSMODE DRSW MSSW NC TCH1 LINEOUT1 DIREF AUXIN1 TAPEIN1 PBEQ1 PBOUT1 GND F2 120µ/ 70µ X1 X1 VCT + F1 120µ/ 70µ NR OFF/B F3 LPF VCC DETECT MS ON/ OFF NR MODE FWD/RVS TAPE EQ TAPE/AUX NR BIAS NR MS MODE OFF/B T2 T1 www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 51 IC401 PCM1717E-ST2 IC350 LC75374E IC502 RN5VD23AA-TL IC600 LB1930M + – + – + – + – + – + – + – + – + – + – + – + – + – + – DECODER LATCH SHIFT REGISTER CONTROL – + + – 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 LSELO L4 L3 L2 L1 VDD R1 R2 R3 R4 RSELO RVRIN RCOM RT1 RT2 RT3 RTOUT RSIN NC NC RSB1 RSB2 RFIN RFOUT RROUT VSS CL DI CE VREF LROUT LFOUT LFIN LSB2 LSB1 NC NC LSIN LTOUT LT3 LT2 LT1 LCOM LVRIN 3 4 5 6 7 18 19 20 17 16 15 14 8 9 10 13 12 11 2 1 CLK CONTROL INPUT INTERFACE DIGITAL FILTER 5LEVE DAC LOWPASS FILTER CMOS AMP 5LEVEL DAC LOWPASS FILTER CMOS AMP MODE CONT ROL XTI DGND VDD LRCIN DIN BCKIN ZERO D/C R VOUTR AGND VCC VOUTL D/C L MODE RSTB MD/DM0 MC/DM1 ML/MUTE CLKO XTO NOISE SHAPER 1 2 3 4 5 + – VREF CD NC OUT VDD GND 1 2 3 4 5 6 7 8 9 10 VCC IN2 S-GND IN1 NC NC OUT2 NC P-GND OUT1 CONTROL CIRCUIT MOTOR DRIVE CIRCUIT BUFFER BUFFER www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com 52 IC802 BA3834F IC680 BA3918-V2 REGISTER PEAK HOLD 68Hz B.P.F. REGISTER PEAK HOLD 170Hz B.P.F. REGISTER PEAK HOLD 420Hz B.P.F. REGISTER PEAK HOLD 1kHz B.P.F. REGISTER PEAK HOLD 2.4kHz B.P.F. REGISTER PEAK HOLD 5.9kHz B.P.F. REGISTER PEAK HOLD 14.4kHz B.P.F. DIFFERENTIAL AMPLIFIER MULTIPLEXER 1 2 3 4 5 6 7 8 9 BIASC VREFC RREF NC DIFOUT NC CIN AIN VCC DECODER 10 11 12 13 14 15 16 17 18 A B C NC SEL NC TEST AOUT GND + – + – + – + – OVER VOLTAGE PROTECT REGULATOR 1 2 3 4 5 6 7 8 9 10 12 11 NC MODE2 MODE1 STB VDD AMP VCC ANT COM AM FM GND www. xiaoyu163. com QQ 376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com