山进Sangean ATS-909X. Service manual-电路原理图.pdf

ATS-909X FM / MW / LW / SW PLL SYNTHESIZED RECEIVER CONTENTS Specification 2-6 Main PCB Block Diagram 7 Control PCB Block Diagram 8 Alignment Instructions 9-16 Test Points Diagram 17 Main PCB Top View 18 Main PCB Bottom View 19 Control PCB Top View 20 Control PCB Bottom View 21 Key PCB Top View 22 Key PCB Bottom View 23 Wiring Diagram 24 Troubleshooting Flow Chart 25-28 Electrical Parts List 29-34 Mechanical Parts List 35-36 Exploded Views 37 IC Circuit Block Diagram 38-44 Semiconductor Lead Identifications 45 IC and Transistor Voltage Chart 46-51 Main Schematic Diagram 52 Control Schematic Diagram 53 RadioFans.CNSpecification FM. ELECTRICAL PERFORMANCE Mod ATS-909X(CE) Brand SANGEAN Te m p 25 C R.H. 75% Date 2010/12/21 Ver. A Page 1/5 Condition Value Test No. Test Item Input Output freq Nom. Lim. 1. 2. 3. Unit Min 87.5 0.05 Tuning Range S/N=6dB Max 108.0 0.05 MHz Intermediate freq. S/N=6dB 10.7 0.05 MHz 90MHz 16 98MHz 16 Max. Sensitivity S/N=6dB 106MHz 16 dB 88MHz 16 22 98MHz 16 22 Usable Sensitivity S/N=30d B 106MHz 16 22 dB RDS Sensitivity 98MHz 28 dB Image Rejection dB I.F. Rejection dB 3dB Limiting(1mV) 80dB 20 26 dB Min. output 60dB 0.6 3 mv Tuning Ind. Sens. (4 nd.dot) 13 18 Auto. Scan. Stop. Sens. 18 24 Stereo indicator Sens. 18 24 dB Stereo separation (1KHz) 25 20 dB Spurious rejection 50 dB S/N Ratio 60dB 50 44 dB Alter. Channel Select. 40 dB R.O. 25 dB Am. suppression 60dB .EMF 30 dB Output Power 400kHz 10%T.H.D 1 0.8 W T.H.D.(75KHz dev.) 400/1kHz 2 4 % Over load capacity 10%T.H.D 98MHz106 dB Calibration *Lowest Batt. volt. 60dB 98MHz 3.9 4.2 V Audio Fidelity. 3dB (W/Pre-emphasis) 60dB TONE. NORMAL 98MHz 150 8K Hz 60dB MUSIC 98MHz +7.5 +3 TONE action 10kHz/1kHz VOLUME AT CENTER POSITION 60dB MENS 98MHz -22 -16 dB Supply Voltage: AC 9 V R. O. : 50 mW Load: 8 Ohm Modulation:400Hz/22.5 Dev. Remark Approved by 2010/12/21 Released/Tested by 2010/12/21 RadioFans.CNSpecification MW ELECTRICAL PERFORMANCE Model ;ATS-909X(CE ) Brand SANGEAN Te m p 25 C R.H. 75% Date 2010/12/21 Ver. A Page 2/5 Condition Value Test No. Test Item Input Output Freq. Nom. Lim. 1. 2. 3. Unit Min. 520 1 Tuning Range Max. 1710 1 KHz Intermediate freq. S/N=6 dB 1st IF 2nd IF 55845 450 1 KHz 603KHz 58 999KHz 56 Max. Sensitivity S/N=6 dB 1404KHz 56 dB /m 603KHz 58 64 999KHz 56 62 Usable Sensitivity S/N=20d B 1404KHz 56 62 dB /m Image Rejection S/N=6 dB 1404KHz 36 30 dB I. F. Rejection(450KHz) S/N=6 dB 50 dB Selectivity( 10KHz) S/N=6 dB 40 dB Bandwidth (WIDE)6 dB S/N=6 dB 7 4-8 KHz Bandwidth (NARROW)6 dB S/N=6 dB 4.5 2.5-6 KHz T. H. D.(5mV) 74 dB /m 2 4 % Lowest Batt. Volt. 74 dB /m 3.9 4.2 V Hum Modulation. 100 dB /m dB Tuning Ind. Sens.(4nd.dot) 48 54 dB /m Auto. Scan. Stop. Sens. 56 62 dB /m S/N Ratio 74 dB /m 32 dB Current Consumption 74 dB /m mA TONE ACTION(3KHz) 74 dB /m NORMAL /NEWS 10 6 dB 150 Audio fidelity(-6dB) WIDE 74 dB /m 2100 Hz Output power 74 dB /m 400Hz MAX 10%T.H.D 1 0.8 W Over Load Capacity 30%Mod 10%T.H.D100 dB /m A. G. C. F. O. M. 100dB /m 50 dB A. C.A.(. 10KHz) 999KHz 28 dB Whistle Modulation(5mV/M) 74 dB /m 2IF/3IF 15 % Supply Voltage: AC9 V R. O. : 50 mW Load: 8 Ohm Modulation:400Hz/30% Remark Approved by 2010/12/21 Released/Tested by 2010/12/21 RadioFans.CNSpecification SW ELECTRICAL PERFORMANCE Mode ATS-909X(CE) Brand SANGEAN Te m p 25 C R.H. 75% Date 2010/12/21 Ver. A Page 3/5 Condition Value Test No. Test Item Input Output Freq. Nom. Lim. 1. 2. 3. Unit Min. 1711 1K Tuning Range Max. 29999 1K KHz Intermediate freq. S/N=6Db 1 st . IF 2 nd . IF 55845 450 1 KHz 3900KHz 22 15100KHz 18 Max. Sensitivity S/N=6Db 25600KHz 18 dB 3900KHz 22 28 15100KHz 18 24 Usable Sensitivity S/N=20D b 25600KHz 18 24 dB Calibration S/N=6Db 3900KHz 15100KHz 25600KHz 1 KHz 150 Hz Audio fidelity(-6 Db) 2200 Hz Selectivity( 10KHz) S/N=6Db 50 Db Bandwidth (WIDE)6Db S/N=6Db 6 4-8 KHz Bandwidth (NARROW)6Db S/N=6Db 4.5 3-7 KHz T. H. D. ( 60 emf dB ) 2 4 % A. G. C. F. O. M.( 86 dB ) 60 Db Image Rejection 42 36 Db I. F. Rejection (450KHz) 76 60 Db Lowest Batt. Volt. 3.9 4.2 V Hum Modulation (5Mv) Db Tuning Ind. Sens.(4 nd .dot) 18 dB Auto. Scan. Stop. Sens. 10 dB S/N Ratio ( 60 dB ) 40 Db Output power MAX 10%T.H.D 1 0.8 W Over Load Capacity 30%mod. 10%T.H.D 86 80 dB RF Gain Control 28 6 Db SSB/CW sens.(S/N=10Db) -3 +3 dB Freq.Rewponse(-6Db) Hz A.C.A.( 10KHz) 15100KHz28 Db Whistle Modulation 2IF/3IF % Supply Voltage:AC 9 V R. O. : 50 Mw Load: 8 Ohm Modulation:400Hz/30% Mod Remark Approved by 2010/12/21 Released/Tested by 2010/12/21 RadioFans.CNSpecification LW ELECTRICAL PERFORMANCE Model ATS-909X(CE) Brand SANGEAN Te m p 25 C R.H. 75% Date 2010/12/21 Ver. A Page 4/5 Condition Value Test No. Test Item Input Output Freq. Nom. Lim. 1. 2. 3. Unit Min. 100 1 Tuning Range Max. 519 1 KHz Intermediate freq. S/N=6dB 1st. IF 2nd. IF 55845 450 1 KHz 180KHz 68 216KHz 66 Max. Sensitivity S/N=6dB 279KHz 64 dB /m 180KHz 68 74 216KHz 66 72 Usable Sensitivity S/N=20d B 279KHz 64 70 dB /m Image Rejection 279KHz 30 24 dB I.F. Rejection 450KHz S/N=6dB 225KHz 50 dB Selectivity( 10KHz) S/N=6dB 40 dB Bandwidth -6dB S/N=6dB KHz T. H. D. ( 5mV ) 74dB /m 2 5 % Lowest Batt. Volt. 74dB /m 3.9 4.2 V Hum Modulation dB Tuning Ind. Sens.(4nd.dot) 68 dB /m Auto. Scan. Stop. Sens. 72 dB /m S/N Ratio ( 5mV ) 74dB /m 20 dB Current Consumption 74dB /m mA Tone action(3KHz) 74dB /m NORMAL /NEWS dB Freq.Rewponse(-6dB) 74dB /m 150 2.1 Hz KHz Output power 74dB /m 1KHz MAX 10%T.H.D 1 0.8 W Over Load Capacity 30%mod. 10%T.H.D106 dB /m A. G. C. F. O. M. 100dB /m 216KHzdB Calibration S/N=6dB 180KHz 225KHz 279KHz 1 KHz Whistle Modulation 2IF/3IF % Supply Voltage: AC 9 V R. O. : 50 mW Load: 8 Ohm Modulation:400Hz/30% Mod Remark Approved by 2010/12/21 Released/Tested by 2010/12/21 RadioFans.CNSpecification AUX-IN ELECTRICAL PERFORMANCE Mode ATS-909X(FCC) Brand SANGEAN Te m p 25 C R.H. 75% Date 2010/12/21 Ver. A Page 5/5 Condition Value Test No. Test Item Input Output Freq. Nom. Lim. 1. 2. 3. Unit Output Power AUX IN=0.5V/400Hz THD=10% 15001000 mW AUX IN Dynamic Range Output=R.0 THD=3% AUX IN=400Hz 1.5 1 V I/S (Input Sensitivity) AUX IN=400Hz OUT= 0.5W Volume=MAX 150 ±50 mV DISTORTION AUX IN =I/S 400Hz OUT=R.O 0.5 1 % MIN OUTPUT AUX IN =I/S 400Hz Volume=MIN 1 3 mV S/N RATIO AUX IN =I/S 400Hz PLL is normal.RadioFans.CN