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1、T echnical Manual AM/FM STEREO TUNER RT-1080 Table of Contents Specification Specification.1 Parts List.26 Adjustment.714 PCB Assembly.1516 Schematic Diagram .1719 SHINSEN-BLD. 4F 10-10 SHINSEN-CHO, SHIBUYA-KU, TOKYO 150-0045, JAPAN Serial. NO. Beginning Quality Uncompromised Y-353A-0108/W FM Tuner
2、Usable Sensitivity: 12.2 dBf 50dB Quieting Sensitivity: 20.2 dBf (mono) 45.3 dBf (stereo) Signal to Noise Ratio (at 65 dBf): 75 dBf (mono) 72 dBf (stereo) Harmonic Distortion (at 65 dBf): 0.2% (mono) 0.3% (stereo) Frequency Response: 10 Hz-15 kHz, 3 dB Capture Ratio: 2.0 dB Alternate Channel Selecti
3、vity: 47 dB ( 400 kHz) Spurious Response Ratio: 90 dB Image Rejection Ratio: 80 dB IF Rejection Ratio: 80 dB AM Suppression Ratio: 55 dB Stereo Separation (100Hz/1 kHz/10 kHz): 40 dB/45 dB/35 dB Output level: 1.2V Antenna Input: 75 ohms unbalanced AM Tuner Usable Sensitivity: 300 V/m Selectivity: 25
4、 dB Harmonic Distortion: 0.5% Image Rejection Ratio: 45 dB Signal to Noise Ratio: 48 dB Output level: 165 mV Antenna Input: Loop Antenna General Power Consumption: 10 watts Power Requirements (AC): 115 volts, 60 Hz (USA version) 230 volts, 50 Hz (European version) Weight: 4.7 Kg/10.4 lb. Dimensions
5、(W x H x D): 432 x 92 x 340 mm 16 15/16 x 3 5/8 x 13 7/6 RadioFans.CN 收音机爱 好者资料库 LEFT RIGHT OUTPUTS COMPUTER I/O FM AB AMG ANTENNA EXT REM. IN ANT AT T ANT A/B TAPTYTP AFDISPLAY FM IF NARROW FM MONO POWER DOWNUP 12345 67890 BANDMEMORY AUTO TUNING PRESET SCAN TUNE /PRESET 12V TRIGGER IN OUT AM/FM STE
6、REO TUNER MODEL NO. RT-1080 POWER CONSUMPTION: 10 W RT-1080 AVIS: RISQUE DE CHOC ELECTRIQUENE PAS OUVRIR WARNING:SHOCK HAZARD DO NOT OPEN Appearance RadioFans.CN 收音机爱 好者资料库 2 Parts List 1/4 SYMBOLPARTS NO.DESCRIPTION JACK2066 C-4764A01 2P PIN JACK JACK1065 YKB21-5103A3.5F JACK JL200,201,JR200,201068
7、 TD02SG-2BASE/POST C213,266,272,322,407,408,C201,202043 TC16V103-ACERA CAPACITOR AXIAL 0.01uF C203,211,212,215,217,219,221,043 TC25V223-ACERA CAPACITOR AXIAL 0.022uF 223-236,243,C245,246,248,250,251,253, 257,267,273,285,C306-308,311,312, 314,319,323,324,401,C506,507,509 C238-241,255,259,263,271,304,
8、329043 TC50V473-ACERA CAPACITOR AXIAL 0.047uF C316,CL204,CR204, C207-210043 TC50V102-ACERA CAPACITOR AXIAL 1000PF CL277,CR277, C237043 TC50V101-ACERA CAPACITOR AXIAL 100PF CL273, CR273043 TC50V121-ACERA CAPACITOR AXIAL 120PF C242043 TC50V151-ACERA CAPACITOR AXIAL 150PF C302043 TC50VCH180CERA CAPACIT
9、OR AXIAL 18PF C309043 TC50V221-ACERA CAPACITOR AXIAL 220PF C280,CL271,CR271043 TC50V271-ACERA CAPACITOR AXIAL 270PF C405, C406043 TC16V332-ACERA CAPACITOR AXIAL 3300PF C276043 TC50V331-ACERA CAPACITOR AXIAL 330PF C205,206043 TC50VCH330CERA CAPACITOR AXIAL 33PF C328043 TC50V471-ACERA CAPACITOR AXIAL
10、470PF C260043 TC50V681-ACERA CAPACITOR AXIAL 680PF C275043 TC50V680-ACERA CAPACITOR AXIAL 68PF C503,505043 TC500V103CERAMIC CAPACITOR 500V0.01uF CF301023 SFPS450HCERAMIC FILTER (AM) CF201,202,204023 SFE10.7M-04CERAMIC FILTER (FM) CF203023 SFE10.7M-03CERAMIC FILTER (FM) CF205023 CSB456F11CERAMIC RESO
11、NATOR XTL401023 CSB456F15CERAMIC RESONATOR TL301021 RLV155A00 COIL 072 (RED) TL303021 RLV159A00 COIL 713 (YELLOW) LFL200,LFR200021 RLV156A00COIL 01 (BLACK) TL201021 RLV164A00COIL 5053 (WHITE) TL202021 RLV165A00COIL 5054 (BLUE) TL302021 RLV162A00COIL 5232 (GRN) TL304021 RLV163A00COIL 5908 (BLACK) CP2
12、04068 B7B-PH-KSCONNECTOR POST CP201068 00-8370-211CONNECTOR POST CP502,503068 B2P3-VHCONNECTOR POST CP501068 MO5267-07CONNECTOR POST CN501068 C-4652A05CONNECTOR W/WIRE CN503068 C-4695A03CONNECTOR W/WIRE (BLK) CN203068 C-4750A01CONNECTOR W/WIRE (BLK) C540019 C-4357A03COVER CAP. XTL201023 HC49U-004 CR
13、YSTAL 7.2MHZ D202-205,210-212,303-305,307,034 T1N4148-86DIODE 308,509,D209 D201,501-505, D511034 1N4004DIODE C204,216,252,282-284,321041 UTES1C101-FBELECTROLYTIC CAPACITOR 16V100uF C512041 UTES1C221-FBELECTROLYTIC CAPACITOR 16V220uF C218,222,313,402-404,511,513,514041 UTES1C470-FBELECTROLYTIC CAPACI
14、TOR 16V47uF C501041 UTES1V332ELECTROLYTIC CAPACITOR 35V3300uF C261,268,269041 UTES1HR47-FBELECTROLYTIC CAPACITOR 50V0.47uF CL201,202,CR201,202041 UTES1H220-FBELECTROLYTIC CAPACITOR 50V22uF C214,325041 UTES1H3R3-FBELECTROLYTIC CAPACITOR 50V3.3uF C281041 UTES1H330-FBELECTROLYTIC CAPACITOR 50V33uF C327
15、,502,515041 UTES1H470-FBELECTROLYTIC CAPACITOR 50V47uF PCB ASSY 016X-1304A01-05 RadioFans.CN 收音机爱 好者资料库 3 Parts List 2/4 SYMBOLPARTS NO.DESCRIPTION C247,249,254,262,264,265 041 UTES1H010-FB ELECTROLYTIC CAPACITOR 50V1uF C274,278,279,409,412,508 041 UTES1H100-FB ELECTROLYTIC CAPACITOR 50V10uF C516 04
16、1 UTES1H2R2-FB ELECTROLYTIC CAPACITOR 50V2.2uF C270,326,411,413,504 041 UTES1H4R7-FB ELECTROLYTIC CAPACITOR 50V4.7uF FFE200092 FTA4-460HFRONT-END 017 C-4755A10HEAT SINK for IC501 IC202,203031 LA1235IC IC301031 LA1245IC IC401031 LA2230IC IC204031 LA3450IC IC201031 LC72191MIC IC205031 TL072CPIC IC5010
17、31 NJM317FIC ICM101031 PC817BIC R277054 2WS10JFMETAL FILM RESISTOR 10R R509054 2WS270JFMETAL FILM RESISTOR 270R R230054 CR1W2M2METAL FILM RESISTOR 2M2 R507054 2WS330JFMETAL FILM RESISTOR 330R R405,410054 TMF16-3004MF RESISTOR MF16 3M R300054 TMF16-1501MF RESISTOR MF16 1.5K R506054 TMF16-1801MF RESIS
18、TOR MF16 1.8K R299054 TMF16-1004MF RESISTOR MF16 1M R203,204,207,272,273,291,301,302,R309054 TMF16-1003MF RESISTOR MF16 100K 320,RL205,RL295,RR205,RR295,R292,R208 R303,311,515054 TMF16-1000 MF RESISTOR MF16 100R R224,278,283,289,308,319,321054 TMF16-1002MF RESISTOR MF16 10K R409,412,502,514,517, R50
19、8 R284,285054 TMF16-1200 MF RESISTOR MF16 120R R516054 TMF16-1202MF RESISTOR MF16 12K R240054 TMF16-1500 MF RESISTOR MF16 150R R243054 TMF16-1502MF RESISTOR MF16 15K RL294,RR294054 TMF16-1803MF RESISTOR MF16 180K R274, R281054 TMF16-1802MF RESISTOR MF16 18K R214-218,233,276,404,406,511054 TMF16-1001
20、MF RESISTOR MF16 1K R312, R282, R205 R505054 TMF16-2000 MF RESISTOR MF16 200R R222,231,232,306,307, R316,317054 TMF16-2200 MF RESISTOR MF16 220R R211-213 R413, R513054 TMF16-2202MF RESISTOR MF16 22K R247,298054 TMF16-22R0 MF RESISTOR MF16 22R R504, RM101054 TMF16-2700MF RESISTOR MF16 270R R238054 TM
21、F16-2702MF RESISTOR MF16 27K R314054 TMF16-2001MF RESISTOR MF16 2K R246,260,279,286,408,RL201,054 TMF16-3301MF RESISTOR MF16 3.3K RL206,RR201,RR206 R236,239,242,249,257,258,263,054 TMF16-3300MF RESISTOR MF16 330R 265,266,271,R226 R411054 TMF16-3302MF RESISTOR MF16 33K R244,248,262054 TMF16-3900MF RE
22、SISTOR MF16 390R R261054 TMF16-39R0 MF RESISTOR MF16 39R R201,250,264,313,518054 TMF16-4701MF RESISTOR MF16 4.7K R297,400, R501 R241,305,RL204,RR204054 TMF16-4700MF RESISTOR MF16 470R R275,520054 TMF16-4702MF RESISTOR MF16 47K R225,288,407054 TMF16-5601MF RESISTOR MF16 5.6K R223,401,402054 TMF16-560
23、0MF RESISTOR MF16 560R R519054 TMF16-5602MF RESISTOR MF16 56K 4 Parts List 3/4 SYMBOLPARTS NO.DESCRIPTION R245,259,RL202,RR202054 TMF16-6801MF RESISTOR MF16 6.8K R403054 TMF16-6803MF RESISTOR MF16 680K RL203,RR203054 TMF16-8201MF RESISTOR MF16 8.2K R304054 TMF16-8200MF RESISTOR MF16 820R R503054 TMF
24、16-8202MF RESISTOR MF16 82K R202,318054 TMF16-82R0 MF RESISTOR MF16 82R L201-206, L500021 LF160A00MICRO INDUCTOR L207021 2648601430MICRO INDUCTOR 20.8mH JL200,JR200,068 DM-2GM-OMINI JUMPER PLUG (US) JL201,JR201068 DM-2GM-OMINI JUMPER PLUG (EU) C415,416042 TP50V332JMYLAR CAPACITOR 3300PF CL203,CR2030
25、42 TP50V392JMYLAR CAPACITOR 3900PF C417042 TP50V682JMYLAR CAPACITOR 6800PF C330,414042 TP50V223JMYLAR CAPACITOR 0.022uF SW201061 C-4176A08POWER SWITCH RLY201,202063 G5A-237PRELAY VR401051 TRH063MC14RSEMI-FIXD RESISTOR VOLUME 100K VR204051 TRH063MC16RSEMI-FIXD RESISTOR VOLUME 1M VR203,VR301051 TRH063
26、MCJ4RSEMI-FIXD RESISTOR VOLUME 22K VR205051 TRH063MCS5RSEMI-FIXD RESISTOR VOLUME 470K VR201051 TRH063MCS4RSEMI-FIXD RESISTOR VOLUME 47K VR206051 TRH063MCS3RSEMI-FIXD RESISTOR VOLUME 4K7 C317044 50MSAN473JSF CAPACITOR 0.047uF C318044 50MSAN563JSF CAPACITOR 0.056uF C540044 DE1307E472MSPARK KILLER C301
27、044 S50V470PJSTYROL CAPACITOR 47PF ANT201067 SC021058KNTERMINAL ANTNNA ANT200065 YKD31-0432TERMINAL ANTNNA Q223032 2K117YTRANSISTOR Q212,301032 2K192GRTRANSISTOR Q209,211032 TC174OS-RTRANSISTOR Q222,501,504032 TDTC114YSTRANSISTOR Q213-216032 C1674-KLTRANSISTOR Q201,202,219,506032 TC536-FGTRANSISTOR
28、QL201,QR201032 TC2878-ATRANSISTOR Q204,206,207,225,302,505032 TDTA114YSTRANSISTOR Q502032 TA608-FGTRANSISTOR Q503032 TC3708-STTRANSISTOR TC302045 TZ03R200TRIMMER (RED) TC301045 TZ03N100TRIMMER (WHT) D301,302034 KV1236ZVARACTOR DIODE D208,401034 TRD5.1JST1ZENER DIODE D510034 TRD5.6JST1ZENER DIODE D50
29、7034 TRD6.2JST1ZENER DIODE D508034 TRD12JST1ZENER DIODE D506034 TRD30JST1ZENER DIODE JACK4065 YKB21-5111A3.5F JACK WITH SWITCH JACK5065 YKB21-5103A3.5F JACK WITH SWITCH CPM100068 S2B-PH-KSCONNECTOR POST CPM103068 S4B-PH-KSCONNECTOR POST CP604068 B7B-PH-KSCONNECTOR POST CM101041 UTES1H100-FB ELECTROL
30、YTIC CAPACITOR 50V10uF C601-605041 UTES1H010-FB ELECTROLYTIC CAPACITOR 50V1uF IC601031 HIN232CPIC IC602031 PC817BIC RMC201031 SBX3010-52BIC PCB ASSY 016 X-1305B01-02 5 Parts List 4/4 SYMBOLPARTS NO.DESCRIPTION RM102054 TMF16-1000 METAL MILM RESISTOR 100R RM103054 TMF16-1500 METAL MILM RESISTOR 150R
31、R601,602054 TMF16-1001 METAL MILM RESISTOR 1K R603054 TMF16-2200 METAL MILM RESISTOR 220R RM104054 TMF16-4701 METAL MILM RESISTOR 4.7K JACK3066 SY010-8P/KMODULAR JACK QM101032 TC536-FGTRANSISTOR D601-604034 TRD12JST1ZENER DIODE C110,111043 TC50V473-ACERAMIC CAPACITOR 0.047uF C109,113,116043 TC50V104
32、-ACERAMIC CAPACITOR 0.1uF C118043 TC50V102-ACERAMIC CAPACITOR 1000PF C101-108043 TC50V101-ACERAMIC CAPACITOR 100PF C117043 TC50V821-ACERAMIC CAPACITOR 820PF XT101023 CST10.0MTWCERAMIC RESONATOR D101-108034 T1N4148-86DIODE C112041 UTES1H220-FB ELECTROLYTIC CAPACITOR 50V22uF FL101035 SVR12MM18FL TUBE
33、FPC201068 00-8370-217FPC WIRE CONNECTOR 21P IC102031 AT24C16PC-2.7IC IC101031 CXP82832-310QIC R137-143,145054 TMF16-1201METAL FILM RESISTOR 1.2K R136,152-159,160054 TMF16-1002METAL FILM RESISTOR 10K R150,151054 TMF16-2R20METAL FILM RESISTOR 2.2R R144,146-149054 TMF16-4702METAL FILM RESISTOR 47K CN10
34、2068 C-4692A26PH/SAN W/WIRE L=200 CN101068 C-4692A29PH/SAN W/WIRE L=300 CN103068 C-4692A06PH/SAN W/WIRE L=80 SW101-126061 C-4679A01TACT SWITCH Q101032 TC536-FGTRANSISTOR PCB ASSY 016 X-1302A00 OTHERS 015 RP-387 019 4TSH-19#2 021 RLA145A00 034 SEL1124R 069 C-4629A01 072 4TR-2489 072 4TR-2875 072 4TR-
35、3228 072 C-4620A01 072 C-4622A01 072 C-4623A01 072 C-4624A01 081 SK4-10A00 081 TZ-164-1 092 RR-T92 PRINTED REAR CHASSIS PLASTIC FOOT 50F AM LOOP ANTENNA LED AC INLET 3.5MM PLUG SHIELD CORD RCA PIN CORD T TYPE ANTENNA AC CORD SET for STD AC CORD SET for AUSTRALIA AC CORD SET for UK AC CORD SET for CE
36、E INSIDE CARTON STYROL SIDE MOULDING REMOTE UNIT 6 Adjustment I FM * Necessary measurement equipment RDS/STEREO Multiplexer 1 unit FM/AM Signal Generator 1 unit Audio Signal Analyzer 1 unit Oscilloscope 1 unit Digital Volt Meter (DVM) 1 unit (A) Center adjust RDS/STEREO Multiplexer Setting MODE : MO
37、NO Audio Frequency : 1KHz FM Signal Generator Setting Deviation : 75KHz Radio Frequency : 98.0MHz Output Level : 66dB RT955 Setting FM Frequency : 98.0MHz Antenna Selection : A FM MODE : MONO IF MODE : WIDE q Turn FM Signal Generator Modulation on w Connect DVM (+)(-) terminals to both ends of resis
38、tor R282 and measure the volt. e Make this measured volt 0 by adjusting TL201(FM-DET-A Coil). (The adjustment should be within 2mV) r After this adjustment, measure THD(Total Harmonic Distortion) with Audio Signal Generator. t Adjust THD to minimum point with TL202(FM-DET-B Coil). (THD should be wit
39、hin 0.5%) Oscilloscope Monitor Audio Signal Analyzer L-CH (or R-CH) Jack 2Ant-B (ANT 201) Ant-A (ANT 200) FM Signal Generator Stereo Multiplexer DVM (+) (-) IC 203 BACK FRONT (FM-DET-B) TL 202 TL 201 (FM-DET-A) R 282 7 (B) Channel Separation adjust RDS/STEREO Multiplexer Setting MODE : STEREO (ONLY
40、L-CH Signal OUT) Audio Frequency : 1KHz FM Signal Generator Setting Deviation : 75KHz Radio Frequency : 98.0MHz Output Level : 66dB RT955 Setting FM Frequency : 98.0MHz Antenna Selection : A FM MODE : STEREO IF MODE : WIDE q Turn FM Signal Generator Modulation on after modulating only L-CH at STEREO
41、 Multiplexer. w Confirm if STEREO indicator is turned ON on the display in the WIDE MODE. e Measure output level via Audio Signal Analyzer and make the level as standard. r Turn FM Signal Generator Modulation on after modulating only R-CH at STEREO Multiplexer. t Measure output level via Audio Signa
42、l Analyzer (measure per a dB) y Adjust output level to minimum position with VR204 (WIDE MODE CH-SEPA. ADJ.). (lower than -40dB) u Change RT955 IF MODE to NARROW. i Repeat the above qt o Adjust output level to minimum point with VR205(NARROW MODE CH-SEPA. ADJ). (lower than -38dB) Oscilloscope Monito
43、r Audio Signal Analyzer L-CH (or R-CH OPEN) Jack 2Ant-B (ANT 201) Ant-A (ANT 200) Signal Generator Stereo Multiplexer VR 204 (Wide) VR 205 (Narrow) IC 204 BACK FRONT 8 (C) TUNED Level adjust RDS/STEREO Multiplexer Setting MODE : STEREO Audio Frequency : 1KHz FM Signal Generator Setting Deviation : 7
44、5KHz Radio Frequency : 98.0MHz Output Level : 26dB RT955 Setting FM Frequency : 98.0MHz Antenna Selection : A FM MODE : STEREO IF MODE : WIDE q Turn FM Signal Generator Modulation ON (confirm if output level is 26dB) w measure volt while connecting DVM (-) terminal to GND (or Chassis) & connecting (
45、+) terminal to Jumper J615(S-METER). e Adjust volt to 1.2V with VR201 (FM-ADJ1). r Adjust VR206(FM-ADJ2) up to the moment where STEREO & TUNED indicator turns OFF & ON again. t Confirm if STEREO & TUNED turn OFF when decreasing the output level slowly from 26dB to 25dB, 24dB. (Repeat the above er if
46、 not OFF in lower than 24dB.) y Set RT955s Search by MODE to AUTO at Signal Generator Output Level 26dB and start Auto search Tuning Encoder. Confirm if search stops at FM Frequency 98.0MHz. (Examine both of High Freq. 98.0MHz search, Low Freq. 98.0MHz search) Oscilloscope Monitor Audio Signal Analy
47、zer L-CH (or R-CH) Jack 2Ant-B (ANT 201) Ant-A (ANT 200) Signal Generator Stereo Multiplexer VR 206 (FM-ADJ 2) VR 201 (FM-ADJ 1) S-METER CP 201 J 615 DVM (+) (-) GND (or Chassis) IC 203 IC 202 BACK FRONT 9 (D) RDS Level adjust RDS/STEREO Multiplexer Setting MODE : STEREO Audio Frequency : 1KHz RDS M
48、ODE : ON FM Signal Generator Setting Deviation : 75KHz Radio Frequency : 98.0MHz Output Level : 35dB RT955 Setting FM Frequency : 98.0MHz Antenna Selection : A FM MODE : STEREO IF MODE : WIDE q Make sure that RDS/STEREO Multiplexer RDS Modulation is ON and turn FM Signal Generator Modulation ON w Connect oscilloscope terminal to low measuring point of C406(RDS ADJ) and measure. Make sure that the following waveform is output. e Adjust waveform to maximum level with VR401(RDS ADJ). r Confirm if RDS indicator is ON. Oscilloscope Monitor Audio Signal Analyzer L-CH (or R-CH) Jack 2An
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