Adcom-GTP830-pre-sm维修电路原理图.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 收音机爱 好者资料库 - 2 - INSTRUMENT SET UPGTP-830 FM SIGNAL GENERATOR ANTENNA TERMINAL ANTENNA TERMINAL DISTORTION ANALYZER DISTORTION ANALYZER AC VOLTMETER OSCILLOSCOPE AC VOLTMETER OR OSCILLOSC

4、OPE AC VOLTMETER 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-14

5、1 DC MILLIVOLT METER UNIT UNIT UNIT UNIT 1. FM MEASUREMENT Fig.1 2. RDS MEASUREMENT Fig.3 3. AM MEASUREMENT Fig.4 Fig.2 RadioFans.CN 收音机爱 好者资料库 - 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.

6、 OUTPUTS - Connect the 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 R9

7、56 Minimum Minimum 2AC 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 99.0

8、MHz 99.0MHz Channel L 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. F

9、M MUTE/MODE switch: ON/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% m

10、od. 60dB/m AM SG output 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 3

11、0% mod. 60dB/m AM SG output 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 AC3 ASSEMBLY

12、 1000AC3 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 12X183100-35

13、51-0 CAPACITORS 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

14、.1F 10% 0805150F-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 C127

15、CC 25V 0.1F 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 2

16、20F 20% RL 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% 08

17、05150F-103K-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-I

18、U C159CC 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. - 5 - PARTS LISTGTP-830 C166, C167CC 50V 0.1F 10% 0805150F-104K-J-BD C168CE

19、 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 5x11

20、157C-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 C1106,

21、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-5-EI

22、 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 CONN.

23、 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% 08054720-680J-J

24、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.DESCRIPTIONPART N

25、O. - 6 - PARTS LISTGTP-830 R117RMG 1/10W 820R 5% 08054720-821J-J R118RMG 1/10W 75R 5% 08054720-750J-J R119RMG 1/10W 0R 5% 08054720-000J-J R122RMG 1/10W 150R 5% 08054720-151J-J R123RMG 1/10W 10K 5% 08054720-103J-J R125RMG 1/10W 150R 5% 08054720-151J-J R126RMG 1/10W 10K 5% 08054720-103J-J R127RMG 1/10

26、W 100K 5% 08054720-104J-J R129RMG 1/10W 0R 5% 08054720-000J-J R130RMG 1/10W 150R 5% 08054720-151J-J R131RMG 1/10W 10K 5% 08054720-103J-J R133RMG 1/10W 150R 5% 08054720-151J-J R134RMG 1/10W 10K 5% 08054720-103J-J R135, R136RMG 1/10W 1K 5% 08054720-102J-J R137RMG 1/10W 150R 5% 08054720-151J-J R138RMG

27、1/10W 10K 5% 08054720-103J-J R139RMG 1/10W 1K 5% 08054720-102J-J R140RMG 1/10W 100R 5% 08054720-101J-J R150RMG 1/10W 150R 5% 08054720-151J-J R155RMG 1/10W 15K 5% 08054720-153J-J R156RMG 1/10W 10K 5% 08054720-103J-J R157RMG 1/10W 10K 5% 08054720-103J-J R158RMG 1/10W 150R 5% 08054720-151J-J R159RMG 1/

28、10W 15K 5% 08054720-153J-J R160, R161RMG 1/10W 10K 5% 08054720-103J-J R162RMG 1/10W 150R 5% 08054720-151J-J R163, R164RMG 1/10W 22K 5% 08054720-223J-J R165RMG 1/10W 120R 5% 08054720-121J-J R166RMG 1/10W 200R 5% 08054720-201J-J R167, R168RMG 1/10W 10K 5% 08054720-103J-J R169RMG 1/10W 1K 5% 08054720-1

29、02J-J R171RMG 1/10W 10K 5% 08054720-103J-J R172RMG 1/10W 470R 5% 08054720-471J-J R173RMG 1/10W 10K 5% 08054720-103J-J R181RMG 1/10W 0R 5% 08054720-000J-J R184RMG 1/10W 100K 5% 08054720-104J-J R185RMG 1/10W 100K 5% 08054720-104J-J R186, R189RMG 1/10W 0R 5% 08054720-000J-J R190, R192RMG 1/10W 100K 5%

30、08054720-104J-J R193RMG 1/10W 0R 5% 08054720-000J-J R194RMG 1/10W 3.3M 5% 08054720-335J-J ICs U101IC 74HC153 QUAD 4-INPUT3131-3980-0 U102IC 74HC157 QUAD 2-INPUT3131-3870-0 U103IC CS5331A 18BIT A/D3131-3700-0 U104IC 7AA HIGH SPEED OP AMP3130-7430-0 U105IC CS4926 DSP CRYSTAL3131-3720-0 U106, U107IC 74

31、HC574 8X D-TYPE3130-8980-0 U108IC AT27C020-70 256KX83131-9320-0 U109IC 7AA HIGH SPEED OP AMP3130-7430-0 U110IC CS8414 DIR 96KHZ3130-8890-0 U111-U113IC CS4340 D/A CONVERTER3131-3710-0 U114IC 74HCU04 HEX INVERTERS3131-9100-0 U115IC 74HC74 DUAL D-TYPE3130-6590-0 REF NO.DESCRIPTIONPART NO. - 7 - PARTS L

32、ISTGTP-830 U116IC 7AA HIGH SPEED OP AMP3130-7430-0 U117IC 74HC74 DUAL D-TYPE3130-6590-0 U118, U119IC 74HC00 QUAD 2I/P NAND3131-9050-0 U120IC 74HC74 DUAL D-TYPE3130-6590-0 U121IC LM317T+ADJ REGULATOR3130-5610-0 U123IC 7805 REG 5V3130-2020-2 U125IC 7805 REG 5V 1.5A3130-2020-3 U131, U134IC 7AA HIGH SPE

33、ED OP AMP3130-7430-0 AUDIO ASSEMBLY 2000AUDIO ASSEMBLYPCB-A0200C-AUD PC BOARD 1201PCB AUDIO/VIDEO/PSU/TONE/S-VIDEO/SW11725-304A-0102 CAPACITORS C302CC 50V 0.01F 10% AT 3.5150F-103K-2-FC C303CE 16V 100F 20% RL 5x11157D-107M-5-IU C304CC 50V 0.01F 10% AT 3.5150F-103K-2-FC C305, C306CE 16V 47F 20% RL 5x

34、11157D-476M-5-IU C319, C322CC 50V 100pF 10% AT 3.5x150F-101K-2-FC C325-C332CC 50V 100pF 10% AT 3.5x150F-101K-2-FC C333, C334CE 16V 3.3F 20% RL 5x5157D-335M-5-II C337, C338CE 16V 3.3F 20% RL 5x5157D-335M-5-II C361, C363CE 16V 4.7F 20% RL 3x5157D-475M-5-EI C364, C365CC 50V 0.1F +80/-20% RL150F-104Z-5-

35、IU C366, C367CE 16V 10F 20% RL 4x7157D-106M-5-GM C368CE 16V 100F 20% RL 5x11157D-107M-5-IU C370, C371CC 50V 100pF 10% AT 3.5x150F-101K-2-FC C372, C373CE 16V 3.3F 20% RL 5x5157D-335M-5-II DIODES D310, D311DZ 1/2W 5.0-5.2V AT4837-4C20-2 JACKS M303RCA JACK 2P R/W/GOLD2113-1742-0 M301, M302, M3044P RCA

36、JACK R/W GOLD2113-1808-0 TRANSISTORS Q302, Q303TR DTA114ESA ROHM485A-114E-5 RESISTORS R302-R304RMF 1/8W 1K 1% AT4711-102A-2 R305RMF 1/8W 10K 1% AT4711-103A-2 R331RMF 1/8W 330R 1% AT4711-331A-2 R332RMF 1/8W 1M 1% AT4711-105A-2 R333RMF 1/8W 330R 1% AT4711-331A-2 R334RMF 1/8W 1M 1% AT4711-105A-2 R335RM

37、F 1/8W 330R 1% ATS4711-331A-C R336RMF 1/8W 1M 1% AT4711-105A-2 R337RMF 1/8W 330R 1% AT4711-331A-2 R338RMF 1/8W 1M 1% AT4711-105A-2 R339RMF 1/8W 2.2K 1% AT4711-222A-2 R340RMF 1/8W 1M 1% AT4711-105A-2 REF NO.DESCRIPTIONPART NO. - 8 - PARTS LISTGTP-830 R341RMF 1/8W 2.2K 1% AT4711-222A-2 R342RMF 1/8W 1M

38、 1% AT4711-105A-2 R343RMF 1/8W 2.2K 1% AT4711-222A-2 R344RMF 1/8W 1M 1% AT4711-105A-2 R345RMF 1/8W 2.2K 1% AT4711-222A-2 R346RMF 1/8W 1M 1% AT4711-105A-2 R347RMF 1/8W 2.2K 1% AT4711-222A-2 R348RMF 1/8W 1M 1% AT4711-105A-2 R349RMF 1/8W 2.2K 1% AT4711-222A-2 R350RMF 1/8W 1M 1% AT4711-105A-2 R351RMF 1/

39、8W 2.2K 1% AT4711-222A-2 R352RMF 1/8W 1M 1% AT4711-105A-2 R353RMF 1/8W 2.2K 1% AT4711-222A-2 R354RMF 1/8W 1M 1% AT4711-105A-2 R361RMF 1/8W 100R 1% AT4711-101A-2 R362RMF 1/8W 220K 1% AT4711-224A-2 R363RMF 1/8W 100R 1% AT4711-101A-2 R366RMF 1/8W 220K 1% AT4711-224A-2 R367, R368RMF 1/8W 2.2K 1% AT4711-

40、222A-2 R369, R370RMF 1/8W 1M 1% AT4711-105A-2 R371RMF 1/8W 1K 1% AT4711-102A-2 ICs U301IC TC9273N-004 ANALOG3131-3570-0 U302IC HCF4053BT3130-3870-0 U303IC 7AA HIGH SPEED OP AMP3130-7430-0 KEY BOARD ASSEMBLY 4000KEY BOARD ASSEMBLYPCB-A0200C-KEY PC BOARD 2101PCB KEYBOARD/VOL/PRI/SEC1725-306A-0102 META

41、L MATERIAL CUSHION DAMPER4152-0282-0 2118HOLDER (FL)4152-5741-0 LCD DISPLAY 2119VFD 12-MT-79GNK FUTABA2460-1890-1 CAPACITORS C201CE 6.3V 47F 20% RL 4x7157B-476M-5-GM C202CC 50V 0.01F 10% AT 3.5150F-103K-2-FC C203, C204CC 50V 22pF 10% RL 4x4150F-220K-5-GG C205CC 50V 0.1F +80/-20% RL150F-104Z-5-IU C20

42、6CE 50V 10F 20% RL 4x7157F-106M-5-GM C207CC 50V 0.1F +80/-20% RL150F-104Z-5-IU C208CE 10V 47F 20% RL 4X7157C-476M-5-GM C210CE 50V 10F 20% RL 4x7157F-106M-5-GM C211CC 50V 0.1F +80/-20% RL150F-104Z-5-IU C212CE 50V 10F 20% RL 4x7157F-106M-5-GM C213CC 50V 0.1F +80/-20% RL150F-104Z-5-IU C221CE 50V 3.3F 2

43、0% RL 4x7157F-335M-5-GM REF NO.DESCRIPTIONPART NO. - 9 - PARTS LISTGTP-830 DIODES D201, D202DIODE 1N4148 ATS4804-1480-C D203DZ 1/2W 5.45-5.73 ROHM4837-5B61-2 D205-D209DIODE 1N4148 ATS4804-1480-C D210DZ 1/2W 5.1V TEMIC AT4837-5V16-2 COIL L201COIL 22H 10% AL BL71801-220K-M SWITCHES M201SWITCH, TACT SK

44、HHBY 7MM5200-3538-0 M202, M203SWITCH TACT W/LED5200-1041-0-01 M204SWITCH, TACT SKHHBY 7MM5200-3538-0 M205, M206SWITCH TACT W/LED5200-1041-0-01 M207SWITCH, TACT SKHHBY 7MM5200-3538-0 M208, M209SWITCH TACT W/LED5200-1041-0-01 M210SWITCH, TACT SKHHBY 7MM5200-3538-0 M211, M212SWITCH TACT W/LED5200-1041-

45、0-01 M213SWITCH, TACT SKHHBY 7MM5200-3538-0 M214, M217, M222SWITCH TACT W/LED5200-1041-0-01 M215, M216SWITCH, TACT SKHHBY 7MM5200-3538-0 IR SENSOR M218IR SENSOR PIC-12043TE24814-3TE2-3 M301ROTARY ENCODER4750-6000-0 CRYSTAL M219CRYSTAL 10MHZ +/-30PPM2300-3150-0 CONNECTORS / WAFERS M221SHUNT 2P P=2.54

46、2101-0661-0 M221REDEPTACLE 8PIN DUAL2101-1368-0 J203A, J206AFLEXIBLE CONN. 35P2101-1581-0 3P WAFER P=2.542102-8003-0-100 RESISTORS R286-R288RMF 1/8W 10K 1% AT4711-103A-2 R290, R299RMF 1/8W 10K 1% AT4711-103A-2 TRANSISTORS Q204TR DTA114ESA ROHM485A-114E-5 Q202TR DTC144ES ROHM485C-144E-5 Q201TR SS8050

47、 C/D SAMSUNG RL4860-0050-5 RESISTORS R201-R203RMF 1/8W 680R 1% ATS4711-681A-C R204-R206RMF 1/8W 820R 1% AT4711-821A-2 R207-R209RMF 1/8W 1.8K 1% AT4711-182A-2 R210-R212RMF 1/8W 2.2K 1% AT4711-222A-2 R213, R214RMF 1/8W 4.7K 1% AT4711-472A-2 R215-R218RMF 1/8W 10K 1% AT4711-103A-2 R219RMF 1/8W 4.7K 1% A

48、T4711-472A-2 R220, R221RMF 1/8W 470R 1% AT4711-471A-2 R222RMF 1/8W 47K 1% AT4711-473A-2 R223RMF 1/8W 470K 1% AT4711-474A-2 REF NO.DESCRIPTIONPART NO. - 10 - PARTS LISTGTP-830 R224RMF 1/8W 560R 1% AT4711-561A-2 R225, R226RMF 1/8W 10K 1% AT4711-103A-2 R230, R231RMF 1/8W 22K 1% AT4711-223A-2 R232RMF 1/

49、8W 10K 1% ATS4711-103A-C R233-R246RMF 1/8W 10K 1% AT4711-103A-2 R247-R250RMF 1/8W 47K 1% AT4711-473A-2 R251-R255RMF 1/8W 10K 1% AT4711-103A-2 R260RMF 1/8W 4.7K 1% AT4711-472A-2 R261RMF 1/8W 10K 1% AT4711-103A-2 R262RMF 1/8W 22K 1% AT4711-223A-2 R263-R274RMF 100K 1/8W 1% AT4711-104A-2 R275-R277RMF 1/8W 560R 1% AT4711-561A-2 R278, R280RMF 1/8W 1K 1% AT4711-102A-2 R281RMF 1/8W 560R 1% AT4711-561A-2 R282RMF 1/8W 10K 1% AT4711-103A-2 R283RMF 1/8W 7.5K 1% AT4711-752A-2 R285, R289, R291, R293RMF 1/8W 560R 1% AT4711-561A-2 R295-R298RMF 1/8W 560R 1% AT4711-561A-2 R301, R302RMF 1/8W 22K