Adcom-GTP830-pre-sm维修电路图 手册.pdf
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1、details you can hear SERVICE MANUAL AC3/DTS RECEIVER PREAMPLIFIER GTP-830 TABLE OF CONTENTS Instrument Set Up . . . . . . . . . . . . . . . . . . . . . . . .2 Alignment Procedures . . . . . . . . . . . . . . . . . . . . .3 Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-25 Wiring
2、 Diagram . . . . . . . . . . . . . . . . . . . . . . . . .26 PCB Layout . . . . . . . . . . . . . . . . . . . . . . . . .27-36 Schematic Diagrams . . . . . . . . . . . . . . . . . .37-48 IC Block Diagrams . . . . . . . . . . . . . . . . . . . .49-57 Technical Specification . . . . . . . . . . . . .
3、. . . .58-62 10 TIMBER LANE MARLBORD N.J. 07746, USA PHONE: (732) 683-2356 FAX: (732) 683-2358 WEB: RadioFans.CN - 2 - INSTRUMENT SET UPGTP-830 FM SIGNAL GENERATOR ANTENNA TERMINAL ANTENNA TERMINAL DISTORTION ANALYZER DISTORTION ANALYZER AC VOLTMETER OSCILLOSCOPE AC VOLTMETER OR OSCILLOSCOPE AC VOLT
4、METER OR OSCILLOSCOPE OUTPUT TERMINAL OUTPUT TERMINAL L R ANTENNA TERMINAL ANTENNA TERMINAL ANTENNA TERMINAL AM LOOP ANTENNA (Accessory) AM LOOP ANTENNA 60cm DIGITAL MILLIVOLT METER VT-J914 FM SIGNAL GENERATOR AM SIGNAL GENERATOR FM SIGNAL GENERATOR RDS GENERATOR FM STEREO GENERATOR TP-141 DC MILLIV
5、OLT METER UNIT UNIT UNIT UNIT 1. FM MEASUREMENT Fig.1 2. RDS MEASUREMENT Fig.3 3. AM MEASUREMENT Fig.4 Fig.2 RadioFans.CN - 3 - ALIGNMENT PROCEDURESGTP-830 FM/RDS SECTION - FM mono:1kHz, 75kHz devi., 60dB/V - FM stereo:1kHz, 67.5kHz devi., 60dB/V Pilot signal 19kHz 7.5kHz devi. OUTPUTS - Connect the
6、 non-inductive type resistor of 8 ohms to the all speaker terminals unless otherwise noted. Item FM IF/RF Stereo Distortion Stereo Separation Muting Level Signal output Step 1DC voltmeterL9410100mV 3 Distortion analyzer Distortion analyzer Oscilloscope Oscilloscope L942 R941 R956 Minimum Minimum 2AC
7、 voltmeter IFT on the front end IFT on the front end Maximum Maximum separation Connection of instrument Fig.1 Fig.2 Fig.2 Fig.1 Channel L or R 1kHz 99.0MHz 1kHz 75kHz devi. 65dBf (60dB) 99.0MHz Ext. mod. 65dBf (60dB) FM SG output Stereo modu- lator output Tuning frequency 99.0MHz 99.0MHz Channel L
8、or R 1kHz 99.0MHz Ext. mod. 65dBf (60dB) 99.0MHz Ext. mod.65dBf(60dB) RDS 2% MOD 99.0MHz 18dB 99.0MHz 99.0MHz RDS Fig.399.0MHz Output indicator Adjustment point Adjust for Remarks FM MUTE/MODE switch: ON/AUTO Repeat the steps 1 to 3 until no fur- ther adjustment is necessary. FM MUTE/MODE switch: ON
9、/AUTO Dont turn more than +/-180 Repeat stereo dis- tortion and stereo separation align- ment until THD at minimum and sepa- ration at maximum. Decode the RDS- Program Station. AM SECTION AM Modulation:400Hz, 30% For AH Version Step 1 2 3 530kHz 600kHz 990kHz 600kHz 400Hz 30% mod. 60dB/m AM SG outpu
10、t Tuning frequency Output indicator Adjustment point 600kHz 400Hz 30% mod. 60dB/m AC voltmeter AC voltmeter Digital DC voltmeter L972 OSC coil on RF block L971 OSC coil on RF block L971 Adjust for 1.350.2V Maximum Maximum Step 1 2 3 522kHz or 531kHz 603kHz 999kHz 600kHz 400Hz 30% mod. 60dB/m AM SG o
11、utput Tuning frequency Output indicator Adjustment point 600kHz 400Hz 30% mod. 60dB/m AC voltmeter AC voltmeter Digital DC voltmeter L972 OSC coil on RF block L971 OSC coil on RF block L971 Adjust for 1.30.2V (522kHz) 1.350.2V (531kHz) Maximum Maximum For C Version RadioFans.CN AC3 ASSEMBLY 1000AC3
12、ASSEMBLYPCB-A0200C-AC3 PC BOARD 2701PCB AC3/DTS A0200C1725-303A-0000 METAL MATERIALS 2702TAPPING 3X8MM B-TITE2954-3008-0000 2703INSULATION BUSHING4151-9931-0 2704SCREWS BT 2.6X62954-2606-0000 H-U121HEATSINK5400-0831-0 H-U123HEAT SINK FOR 7805 2438-5400-9130-0 S-U121SI INSULATOR 12X183100-3551-0 CAPA
13、CITORS C101CC 50V 0.1F 10% 0805150F-104K-J-BD C102CC 25V 0.1F 20% 0805150E-104M-J-BD C103CC 50V 0.1F 10% 0805150F-104K-J-BD C104CE 10V 1000F 20% RL157C-108M-5-S5 C105CC 50V 0.01F 10% 0805150F-103K-J-BD C106CC 50V 0.1F 10% 0805150F-104K-J-BD C107CE 16V 2200F 20% RL157D-228M-5-W9 C108CC 50V 0.1F 10% 0
14、805150F-104K-J-BD C114, C115CE 16V 22F 20% RL 4X7157D-226M-5-GM C117, C119CE 16V 4.7F 20% RL 3x5157D-475M-5-EI C120, C121CE 16V 22F 20% RL 4X7157D-226M-5-GM C122, C123CC 50V 5600pF 5% 0805 1.150F-562J-J-BD C125CC 25V 0.1F 20% 0805150E-104M-J-BD C126CE 16V 220F 20% RL 6x12157D-227M-5-KW C127CC 25V 0.
15、1F 20% 0805150E-104M-J-BD C128CE 16V 10F 20% RL 4x7157D-106M-5-GM C129CC 25V 0.1F 20% 0805150E-104M-J-BD C130CE 25V 1F 20% RL 3x5157E-105M-5-EI C132, C134CE 16V 4.7F 20% RL 3x5157D-475M-5-EI C135, C136CC 50V 5600pF 5% 0805 1.150F-562J-J-BD C138CC 25V 0.1F 20% 0805150E-104M-J-BD C139CE 16V 220F 20% R
16、L 6x12157D-227M-5-KW C140CC 25V 0.1F 20% 0805150E-104M-J-BD C141CE 16V 10F 20% RL 4x7157D-106M-5-GM C142CC 25V 0.1F 20% 0805150E-104M-J-BD C143CE 25V 1F 20% RL 3x5157E-105M-5-EI C145, C147CE 16V 4.7F 20% RL 3x5157D-475M-5-EI C148CC 50V 5600pF 5% 0805 1.150F-562J-J-BD C149CC 50V 0.01F 10% 0805150F-10
17、3K-J-BD C150, C151CC 50V 0.1F 10% 0805150F-104K-J-BD C152CC 50V 0.01F 10% 0805150F-103K-J-BD C153CE 16V 10F 20% RL 4x7157D-106M-5-GM C154CC 50V 0.1F 10% 0805150F-104K-J-BD C156CC 50V 0.068F 20% 0805150F-683M-J-BD C157CC 50V 0.1F 10% 0805150F-104K-J-BD C158CE 16V 47F 20% RL 5x11157D-476M-5-IU C159CC
18、50V 0.1F 10% 0805150F-104K-J-BD C161, C162CC 16V 1F+80-20% 080515FD-105Z-J-BD C163, C164CC 50V 0.01F 10% 0805150F-103K-J-BD C165CE 16V 2.2F 20% RL 4X7157D-225M-5-GM - 4 - PARTS LISTGTP-830 REF NO.DESCRIPTIONPART NO. RadioFans.CN - 5 - PARTS LISTGTP-830 C166, C167CC 50V 0.1F 10% 0805150F-104K-J-BD C1
19、68CE 16V 10F 20% RL 4x7157D-106M-5-GM C169CC 50V 0.1F 10% 0805150F-104K-J-BD C171CC 50V 0.22F +80/-20%15FF-224Z-J-BD C172CM 50V 2.2F RL 10X8153F-225J-5-TOM C173CE 16V 100F 20% RL 5x11157D-107M-5-IU C174CE 16V 10F 20% RL 4x7157D-106M-5-GM C175CC 50V 0.1F 10% 0805150F-104K-J-BD C176CE 10V 100F 20% RL
20、5x11157C-107M-5-IU C179, C180CC 50V 0.1F 10% 0805150F-104K-J-BD C183, C184, C193CC 50V 0.1F 10% 0805150F-104K-J-BD C194, C198CC 50V 0.1F 10% 0805150F-104K-J-BD C199CE 16V 10F 20% RL 4x7157D-106M-5-GM C1101, C1104CE 16V 4.7F 20% RL 3x5157D-475M-5-EI C1102, C1105CC 50V 0.22F +80/-20%15FF-224Z-J-BD C11
21、06, C1107CE 16V 22F 20% RL 4X7157D-226M-5-GM C1112-C1114CC 50V 0.1F 10% 0805150F-104K-J-BD C1115CE 16V 10F 20% RL 4x7157D-106M-5-GM C1116CE 25V 1F 20% RL 3x5157E-105M-5-EI C1117CE 16V 4.7F 20% RL 3x5157D-475M-5-EI C1118CE 16V 220F 20% RL 6x12157D-227M-5-KW C1119-C1121CE 16V 4.7F 20% RL 3x5157D-475M-
22、5-EI C1122, C1123CC 50V 0.1F 10% 0805150F-104K-J-BD C1131, C1132, C1134CC 50V 0.1F 10% 0805150F-104K-J-BD C1135CC 50V 10pF 5% 0805 1.2x150F-100J-J-BD C1136, C1137CC 50V 0.1F 10% 0805150F-104K-J-BD DIODE D101BRIDGE RECTIFIER RB1524840-0490-0 WAFERS J101AWAFER 10P P2.5 ST.2102-101S-004 J203BFLEXIBLE C
23、ONN. 35P2101-1581-0 J601B12P ST.WAFER2102-121S-004 J604B3 PIN ST. WAFER2102-031S-004 COILS L101-L104COIL 10H 10% BL7.01801-100K-M CRYSTAL M101XTAL 12.288MHZ +/-20PPM2300-3060-0 TRANSISTOR Q101TR DTC114ES485C-114E-5 RESISTORS R101-R103RMG 1/10W 10K 5% 08054720-103J-J R104RMG 1/10W 68R 5% 08054720-680
24、J-J R105-R109RMG 1/10W 10K 5% 08054720-103J-J R110RCFA 1/2W 10K 2% RL 8 9P4707-103C-5-8 R111, R112RMG 1/10W 10K 5% 08054720-103J-J R113RMG 1/10W 47K 5% 08054720-473J-J R114RMG 1/10W 820R 5% 08054720-821J-J R115RMG 1/10W 75R 5% 08054720-750J-J R116RMG 1/10W 47K 5% 08054720-473J-J REF NO.DESCRIPTIONPA
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