Alto-VoicePlus-pre-sm 电路图 维修手册.pdf

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1、Service Manual Version: 1.1 Model: VOICE plus MIC PREAMPLIFIER/VOICE PROCESSOR RadioFans.CN 收音机爱 好者资料库 CONTENTS 1. Specification 2. Block Diagram 3. Schematic Diagram 4. Printed Circuit Board 5. Wiring Diagram 6. Test Procedure 7. Electrical Parts List 8. Exploded Views & Mechanical Parts List 9. No

2、tes RadioFans.CN 收音机爱 好者资料库 ALTO VOICE SPECIFICATIONS FREQUENCY RESPONSE LINE IN TO MAIN OUT 10HZ TO 50KHZ:+0/-2DB DISTORTION MIC-INS SEND INS SEND 0.01% /0DB/UNITY NOISE MAIN OUT BAL -88DBu RECORDING OUT -100DBu INPUT LEVEL(MAX) MIC IN +11.7DBu LINE IN +22.7DBu OUTPUT LEVEL(MAX) MAIN OUT BAL +22Dbu

3、 MAIN OUT UNBAL +22DBu RECORDING +22DBu INSERT SEND +22DBu POWER SUPPLY MAINS VOLTAGE U.S./CANADA 120V,60HZ U.K./AUSTRALIA 240V,50HZ EUROPE 230V,50HZ GENERAL EXPORT MODEL 95-120V,200-245V,50-60HZ POWER CONNECTOR 10W MAX FUSE 100-120V:315mA 200-240V:250mA 1. Specification RadioFans.CN 收音机爱 好者资料库 1234

4、56 A B C D 654321 D C B A 2 1 3 4 MIC-INPUT 3c 5e 1a 4d 2b LINE-INPUT 3c 5e 1a 4d 2b RETURN 3c 5e 1a 4d 2b SEND 1 2 3 MIC/LINE10db60db -12db12db INV 1 2 3 PASS/LOW-CUT LOW-CUT 1 2 3 PASS/COMPRESSORA EXPANDERCOMPRESSOR 1 2 3 PASS/INV ATTACKRELEASE -20db20db 1 2 3 PASS/EQ BREATHPRESENCEWRAMTHTUNING -8

5、db8db-12db8db-12db8db130HZ720HZ ABSENCE 1 2 3 ABSENCE 1 2 3 PHANTOM +48V 2 1 3 4 REC-OUT CN-BAL-FEMALE CUT FREQUENCY -20db5db 1 2 3 PASS/DE-ESSER MASTER VOL 2 1 3 4 3c 5e 1a 4d 2b MAIN-OUT BALACE BALACE 2.7KHZ12KHZ 8 - 10db BLACK CHART 15HZ360HZ 2.Black Diagram 12345678 A B C D 87654321 D C B A ALTO

6、 VOICE PCBFP-1.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 17-Jul-2003 C.C.LIN ALTO : ALTO VOICE FP BOARD (INPUT) 41of ALTO VOICEVER030217A4 OUTPUT VOICEFP_OUTPUT.SCH EQ VOICEFP_EQ.SCH COMPRESSOR VOICEFP_COMPRESSOR.SCH MIC_IN+ MIC_IN- LINE_IN- LINE_IN+ INSERT_SEND INSERT_RET 1 2 3 S

7、W1A LINE 4 5 6 P SW1B LINE 7 8 9 P SW1C LINE 10 11 12 P SW1D LINE 3 2 1 U1A 4580 5 6 7 U1B 4580 48 U1C 4580 3 2 1 U2A 4580 5 6 7 U2B 4580 48 U2C 4580 R2 10K0 R3 10K0 R4 10K0 R7 10K0 R60 1K50 R8 10K0 R11 10K0 C6 47P C7 47P C84 20P 1 2 3 VR1A A5K 4 5 6 VR1B A5K C83 100u/16V C86 47u/25V C94 47u/25V C82

8、 1000u/16V R125 2K67 R126 12K7 R129 15K0 R133 3K24 R128 47K5 R115 100R R127 47K5 C12 47P 1 2 3 SW2A PHANTOM 4 5 6 P SW2B PHANTOM R5 10K0 R32 6K81 R29 10R R31 6K81 R30 10R R6 10K0 C3 47u/63V C4 47u/63V C5 330P C81 470P C10 47P C8 47P C9 47P R54 10R R58 4k22 R9 10K0 R12 10K0 R10 10K0 R59 4k22 R68 20K0

9、 R13 10K0 C87 47u/25V R48 47K5 R49 20K0 +48V 3 2 1 U3A 4580 5 6 7 U3B 4580 48 U3C 4580 C11 47P COMPRESSOR_IN 1 2 3 SW3A INV 4 5 6 P SW3B INV 3 2 1 U4A 4580 5 6 7 U4B 4580 48 U4C 4580 R51 470K 5% R50 470K 5% R71 470K 5% R34 47K5 C88 47u/25V 1 2 3 SW4A LOW_CUT 4 5 6 P SW4B LOW_CUT C99 22N C100 22N R90

10、 20K0 R89 20K0 R52 470K 5% R53 470K 5% 1 2 3 VR2A C500K 4 5 6 VR2B C500K C89 47u/25V MIC_IN+ MIC_IN- LINE_IN- LINE_IN+ INSERT_SEND INSERT_RET EQ_OUT MAIN_OUT +15V-15V 1 2 3 4 5 6 7 8 9 10 J1 CON10 1 2 3 4 5 6 7 8 9 10 J2 CON10 +48V C21 104P C23 104P C25 104P C27 104P C22 104P C24 104P C26 104P C28 1

11、04P -15V +15V LED13 YEL LED5 GR LED6 GR R81 1K5 R82 2M00 R85 1M00 +15V TR3 HR R46 470K 5% R47 470K 5% R33 47K5 R55 220K C15 104P C14 104P PASS_LED +15V R64 2K00 LED18 RED 3 2 1 U31A 4580 SW_LED1 5 6 7 U31B 4580 R140 1K00 R137 47K5R136 47K5 D2 1N4148 D3 1N4148 D1 1N4148 C108 1u/50V R92 4K75 48 U31C 4

12、580 5 4 2 U32A LM339 1 6 7 U32B LM339 8 9 14 U32C LM339 10 11 13 U32D LM339 R80 402R R84 1K80 R88 6K34 R91 13K3 R94 14K0 LED2 GR LED3 GR LED4 GR LED1 RED R79 1K5 R83 1M00 R78 2M00 +15V +15V -15V TR2 HR INPUT_LEVEL INPUT_LEVEL 312 U32E LM339 R134 22R 5% C19 104P C20 104P C18 104P C17 104P INPUT_GAIN

13、INPUT_GAIN LOW_CUT FRE LOW_CUT FRE C131 47P R242 20K C133 100P C134 100P C135 100P C136 100P C137 47u/25V 3. Schematic Diagram 12345678 A B C D 87654321 D C B A ALTO VOICE PCBFP-2.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 17-Jul-2003 C.C.LIN ALTO : ALTO VOICE FP BOARD (COMPRESSOR)

14、 42of ALTO VOICEVER030217A4 R38 39K2 R37 1K 2 13 U25A CA3086 4 53 U25B CA3086 6 87 U25C CA3086 9 1110 U25D CA3086 R42 47K5 R43 47K5 12 1413 U25E CA3086 R198 10M0 R197 10M0-15v R21 10K0 R201 2M21 R161 523K 1 2 3 VR13 B50K +15V-15V -15V EXPANDER/GATE THRESHOLD R20 10K0 C122 47P R200 4K99 R205 1K50 R70

15、 20K0 R118 2K20 D21 4148 D22 4148 1 2 3 VR16 B10K C118 2.2uF D23 4148 R122 100K R22 10K0 C104 3N3 -15V EXPANDER/GATE 1:N RATIO R164 3K01 LED17 GN LED15 RD R203 6.8K 1/4W R204 6.8K 1/4W +15V THRESHOLD -15v R207 475R R166 17K4 R208 7K15 D24 4148 C119 0.22uF C120 3.3uF C117 2.2uF C116 2.2uF R169 39K 5%

16、 R69 20K0 D20 4148 R153 12K1 +15V R168 470R 5% TR7 HR LED14 RD LED16 GN ZD1 DZ 2.7V -15V THRESHOLD R163 3K01 D19 4148 R39 47K5 R40 47K5 R18 10K0 R145 200R R113 1K00 C115 220N(MEF) 1 2 3 VR12 B50K RATIO n:1 TR6 HR COMPRESSOR/LIMITER R165 17K4 R24 10K0 R23 10K0 C112 10N R76 4K70 R56 220K R17 10K0 R156

17、 390K 5% R157 1M50 1 2 3 VR11 B50K -15V -15V +15V THRESHOLD COMPRESSOR/LIMITER R160 523K R159 523KR130 15K0 1 2 3 VR15 A50K COMPRESSOR/LIMITER RELEASE R206 680K 5% -15V R149 1K15 4 5 6 P SW8B BYPASS R196 24K9 R167 17K4 C121 0.33uF C123 1uF R199 4M70 -15V R19 10K0 1 2 3 VR10 B50K +15V -15V OUTPUT GAI

18、N COMPRESSOR/LIMITER R152 12K1 R146 200R R112 2M21 1 2 3 P SW8A BYPASS R87 1M00 (-) (+) EXPANDER/GATE (-) (+) EXPANDER/GATE RELEASE HR : 2SA1036(PNP) BR : 2SC2412(NPN) R202 0R 5% R150 1K00 R148 130K R143 200R D16 4148 R154 47R0 R144 200R R74 4K70 R155 301K VR14 50K C113 47uF/25V R151 12K1 R158 12K1

19、C13 47P -15V +15V 5 18 -IN 6 2 4 73 V+ V-GND EC+ EC- SYMOUT U15 THAT2150 +15V -15V -15V 1 2 3 SW7A INTERACTIVE 4 5 6 P SW7B INTERACTIVE 7 8 9 P SW7C INTERACTIVE 10 11 12 P SW7D INTERACTIVE R162 287K D18 4148 +15V D17 4148 5 4 2 U28A LM339 1 6 7 U28B LM339 8 9 14 U28C LM339 10 11 13 U28D LM339 5 4 2

20、U27A LM339 1 6 7 U27B LM339 8 9 14 U27C LM339 10 11 13 U27D LM3395 4 2 U29A LM339 1 6 7 U29B LM339 8 9 14 U29C LM339 10 11 13 U29D LM339 5 4 2 U30A LM339 1 6 7 U30B LM339 8 9 14 U30C LM339 10 11 13 U30D LM339 LED19 RD LED20 RD LED21 RD LED22 RD LED23 RD LED24 RD LED25 RD LED26 RD LED27 GN LED28 GN L

21、ED29 GN LED30 GN LED31 GN LED32 YE LED33 YE LED34 RD R213 8K06 R212 4K22 R211 2K00 R210 910R 5% R184 470R 5% R185 220R 5% R147 120R 5% R116 68R R186 56R 5% +15V-15V -15V R209 33K 5% R177 10K0 R179 4K99 R176 4K02 R175 3K01 R178 7K50 R173 6K34 R67 2K70 R66 1K50 TR8 HR TR9 HR R188 47K5 R187 30K0 R181 1

22、.8K 1/4W R182 39K 5% R183 15K0 R180 1.8K 1/4W +15V+15V GAIN REDUCTION(dB) OUTPUT LEVEL(dB) COMP-REDUCTION CH1 CH1 COMP-LEVEL R214 22R 1/4W COMPRESSOR_IN COMPRESSOR_OUT 3 2 1 U14A 4580 5 6 7 U14B 4580 48 U14C 4580 3 2 1 U16A 4580 5 6 7 U16B 4580 48 U16C 4580 3 2 1 U17A 4580 5 6 7 U17B 4580 48 U17C 45

23、80 3 2 1 U18A 4580 5 6 7 U18B 4580 48 U18C 4580 3 2 1 U19A 4580 5 6 7 U19B 4580 48 U19C 4580 3 2 1 U20A 4580 5 6 7 U20B 4580 48 U20C 4580 3 2 1 U21A 4580 5 6 7 U21B 4580 48 U21C 4580 3 2 1 U22A 4580 5 6 7 U22B 4580 48 U22C 4580 5 6 7 U26B 4580 48 U26C 4580 C71 104P C41 104P C43 104P C45 104P C47 104

24、P C49 104P C51 104P C53 104P C55 104P C57 104P C59 104P C72 104P C42 104P C44 104P C46 104P C48 104P C50 104P C52 104P C54 104P C56 104P C58 104P C60 104P -15V -15V +15V +15V D7 1N4148 3 2 1 U26A 4580 SW_LED1 LED9 GR LED10 GR SW_LED2 R141 1K00 R139 47K5R138 47K5 D5 1N4148 D6 1N4148 D4 1N4148 C109 1u

25、/50V C114 47uF/25V R93 4K75 COMP-REDUCTION COMP-LEVEL 312 U27E LM339 312 U28E LM339 312 U29E LM339 312 U30E LM339 R135 22R0 C64 104P C66 104P C68 104P C70 104P C63 104P C65 104P C67 104P C69 104P 1 2 3 VR17 A50K ATTACK 3 2 1 U24A TL064 5 6 7 U24B TL064 10 9 8 U24C TL064 12 13 14 U24D TL064 411 U24E

26、TL064 3 2 1 U23A 4580 5 6 7 U23B 4580 48 U23C 4580 12345678 A B C D 87654321 D C B A ALTO VOICE PCBFP-3.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 17-Jul-2003 C.C.LIN ALTO : ALTO VOICE FP BOARD (EQ) 43of ALTO VOICEVER030217A4 3 2 1 U5A 4580 5 6 7 U5B 4580 48 U5C 4580 1 2 3 SW5A BYP

27、ASS 4 5 6 P SW5B BYPASS 7 8 9 P SW5C BYPASS 10 11 12 P SW5D BYPASS R98 5K11 R99 5K11 R14 10K0 R15 10K0 R117 2K20 R120 100K R114 100R R110 1K00 C103 3N3 C105 6N8 C91 47u/25V C101 22N C102 22N 3 2 1 U6A 4580 5 6 7 U6B 4580 48 U6C 4580 R101 5K11 R103 5K11 R123 10K0 R102 5K11 R62 3K60 C93 47u/25V R106 5

28、K11 R108 5K11 R107 5K11 R124 2K00 3 2 1 U7A 4580 5 6 7 U7B 4580 48 U7C 4580 3 2 1 U8A 4580 5 6 7 U8B 4580 48 U8C 4580 3 2 1 U9A 4580 5 6 7 U9B 4580 48 U9C 4580 1 2 3 SW6A ABSENCE 4 5 6 P SW6B ABSENCE R97 5K11 R119 2K20 R72 4K70 R73 4K70 R100 5K11 R16 10K0 R61 3K60 R104 5K11 R105 5K11 R65 2K00 C106 5

29、6N C107 56N 1 2 3 VR5A B20K 4 5 6 VR5B B20K C92 47u/25V R142 2K70 R109 5K11 R36 47K5 R111 1K00 R121 100K R86 1M00 C110 1N8 C111 10N C95 47u/25V COMPRESSOR_OUT EQ_OUT R35 47K5 C90 47u/25V R96 5K11 R95 5K11 C32 104P C31 104P C33 104P C35 104P C37 104P C39 104P C34 104P C36 104P C38 104P C40 104P -15V

30、+15V LED7 GR LED8 GR SW_LED2SW_LED3 C132 47P 1 2 3 4 VR3 B10K 1 2 3 4 VR4 B10K VR6 B10K 12345678 A B C D 87654321 D C B A ALTO VOICE PCBFP-4.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 17-Jul-2003 C.C.LIN ALTO : ALTO VOICE FP BOARD (OUTPUT) 44of ALTO VOICEVER030217A4 EQ_OUT 3 2 1 U1

31、0A 4580 5 6 7 U10B 4580 48 U10C 4580 3 2 1 U11A 4580 5 6 7 U11B 4580 48 U11C 4580 3 2 1 U12A 4580 5 6 7 U12B 4580 48 U12C 4580 5 6 7 U13B 4580 48 U13C 4580 3 2 1 U13A 4580 R224 1M5 R132 15K0 R57 1K D10 1N4148 D8 1N4148 D11 1N4148 D9 1N4148 R222 82K0 R223 82K0 D12 1N4148 D13 1N4148 R44 47K5 R45 47K5

32、C98 1u50V 1 2 3 VR7A B20K 4 5 6 VR7B B20K 7 8 9 VR7CB20K 10 11 12 VR7D B20K R63 3K60 R190 5K11 R131 15K0 R218 1.3K 5% R189 5K11 R217 6.2K 5% R25 10K0 R220 150R R216 6.2K 5% C125 680P C126 2N7 R174 4K99 R215 5K23 C124 3N3 1 2 3 VR8A B10K 4 5 6 VR8B B10K C127 1N5 C128 1N5 R219 150R 4 1 2 3 U35 VCR-VTL

33、5C4 4 1 2 3 U36 VCR-VTL5C4 R191 18K 5% R172 39K 5% R171 39K 5% R170 39K 5% C96 47u/25VR41 47K5R221 220R 5% +15V +15V TR4 BR R225 10R R26 10K0 R77 4K70 D14 1N4148 D15 1N4148 1 2 3 VR9 B50K C97 47u/25V R194 5K11 R195 27K 5% C85 20P MAIN_OUT C74 104P C73 104P C75 104P C77 104P C79 104P C76 104P C78 104

34、P C80 104P +15V -15V R192 15K0 LED12 GR SW_LED3 1 2 3 SW9A BYPASS 4 5 6 P SW9B BYPASS 7 8 9 P SW9C BYPASS 10 11 12 P SW9D BYPASS LED11 GR -15V 5 4 2 U33A LM339 1 6 7 U33B LM339 8 9 14 U33C LM339 10 11 13 U34D LM339 R232 100R R229 2K20 R228 2K70 R227 6K81 R226 14K0 LED35 GR LED38 GR LED39 GR LED40 RE

35、D R235 1K5 R234 1M00 R233 2M00 +15V +15V C130 104P -15V TR5 HR R236 1K00 R237 90K2R238 1K00 D26 1N4148 D27 1N4148 D25 1N4148 C129 1u/50V 10 11 13 U33D LM339 8 9 14 U34C LM339 R231 270R 5% R230 1.1K 5% LED36 GR LED37 GR 312 U34E LM339 312 U33E LM339 1 6 7 U34B LM339 R240 22R0 R75 1K20 1 2 J3 CON2 +15

36、V R241 301K 12345678 A B C D 87654321 D C B A 3c 5e 1a 4d 2b X4 JY-6351G-02-250 3c 5e 1a 4d 2b X5 JY-6351G-02-250 3c 5e 1a 4d 2b X2 JY-6351G-02-250 LINE_INPUT SIDECHAIN SIDECHAIN RETURN SEND 2 1 3 4 X1 JY5042-030G R7 20K0 R5 20K0 C9 10P R14 10K0 R19 5K76 C11 10P R33 2K67 R17 6K04 R24 4K53 R21 3K24 R

37、28 60R4 R23 4K53 R10 3K16 R27 60R4 R13 10K0 R9 3K16 C16 470P C15 470P 3c 5e 1a 4d 2b X3 JY-6351G-02-250 MAIN_OUT 2 1 3 4 X6 JY-5030-030G C10 10P MIC_INPUT C1 100P C2 100P C3 100P C5 100P C4 100P C6 100P C7 100P C8 100P R32 1K00 SGND MIC_IN+ MIC_IN- LINE_IN- LINE_IN+ INSERT_SEND INSERT_RET EQ_OUT MAI

38、N_OUT R15 10K0 R20 5K76 C13 10P R34 2K67 R18 6K04 R26 4K53 R22 3K24 R30 60R4 R25 4K53 R12 3K16 R29 60R4 R16 10K0 R11 3K16 C18 470P C17 470P 2 1 3 4 X7 JY-5030-030G C14 10P REC_OUT R8 20K0 R6 20K0 C12 10P SGND SGND SGND SGND SGND SGND MIC_IN+ MIC_IN- LINE_IN- LINE_IN+ INSERT_SEND INSERT_RET EQ_OUT MA

39、IN_OUT SGND +15V-15V 1 2 3 J3 CON3 BD1 1A U1 7815 U2 7915 C35 1000u/35V C36 1000u/35V C37 220u/25V C38 220u/25V C28 104P C29 104P C30 104P C31 104P TP1 GND +15V -15V SGND C23 100/63V D2 1N4004 D1 1N4004 R36 10K R35 150R C21 100/63V C19 100/63V C22 100/63V ZD1 1N5261B TR1 TIP122 (47V) +48V C20 100/63

40、V 1 2 3 4 5 6 7 8 9 10 J1 CON10 1 2 3 4 5 6 7 8 9 10 J2 CON10 +48V SGND ALTO VOICE PCBRP.Sch Titel Size File: Date: Drawn By: Sheet RevisionModel No: 17-Jul-2003 C.C.LIN ALTO : ALTO VOICE RP BOARD 11of ALTO VOICEVER030217A4 3 2 1 U3A 4580 5 6 7 U3B 4580 48 U3C 4580 3 2 1 U4A 4580 5 6 7 U4B 4580 48 U

41、4C 4580 3 2 1 U5A 4580 5 6 7 U5B 4580 48 U5C 4580 C26 104P C33 104P C27 104P C34 104P C25 104P C32 104P SGND +15V -15V 1 2 J4 JUMP R37 20K PCB:VOICEFP Top Layer PCB:VOICEFP Top Solder Mask PCB:VOICEFP Bottom Layer PCB:VOICEFP Bottom Solder Mask PCB:VOICEFP Top Overlay 4.PRINTED CIRCUIT BOARD PCB:VOI

42、CEFP Bottom Overlay PCB:VOICEFP Drill Drawing Plots Layer Pair : TopLayer to BottomLayer ASCII File : NCDrillOutput.TXT EIA File : NCDrillOutput.DRL Tool Hole Size Hole Count Plated Tool Travel - T1 24mil (0.6096mm) 464 106.58 Inch (2707.12 mm) T2 31mil (0.7874mm) 244 72.08 Inch (1830.89 mm) T3 35mi

43、l (0.889mm) 28 32.00 Inch (812.80 mm) T4 39mil (0.9906mm) 83 35.44 Inch (900.28 mm) T5 87mil (2.2098mm) 32 30.18 Inch (766.64 mm) T6 126mil (3.2004mm) 6 NPTH 29.25 Inch (742.90 mm) - Totals 857 305.54 Inch (7760.63 mm) PCB:VOICERP Top Layer PCB:VOICERP Top Solder Mask PCB:VOICERP Bottom Layer PCB:VOICERP Bottom Solder Mask PCB:VOICERP Top Overlay PCB:VOICERP Bottom Overlay PCB:VOICERP Drill Drawing Plots