pathos_inpower_schematics 电路图 维修手册.pdf

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1、Service manual Pathos Acoustics, , tel: +39 0444 264 732 fax: +39 0444 Pathos Acoustics, , tel: +39 0444 264 732 fax: +39 0444 381 275 381 275 In Power RadioFans.CN 收音机爱 好者资料库 Doc InPower Vacuum Preamp. Stage A4 13Saturday, December 26, 1992 Title SizeDocument NumberRev Date:Sheetof 275 v 270 V +12.

2、6 V PATHOS ACOUSTICS R1 100? 12 C1 0.1/400V 1 2 Q1 MPSA 42 C2 100/350V 1 2 V1 ECC83 2 3 45 16 7 45 8 R4 82 K 1 2 R3 82 K 1 2 V2 ECC82 2 3 45 16 7 45 8 C4 0.1/400 1 2 C3 100/350 1 2 C5 6.8/100 12 R5 470K 1 2 C8 6.8/100 12R10 27K 1 2 R9 27K 1 2 R12 2K5 1 2 R8 2K2 12 D1 1N4007 1 2 R13 3K65 1 2 C11 1000

3、/25 1 2 R2 2K2 13 2 R6 2K2 13 2 R7 470K 1 2 R11 270K 12 C12 330?f/63 V 1 2 D2 30 V C6 0.1/250 12 C7 1/250 12 C9 0.1/250 12 C10 1/250 12 in + in - out + out - RadioFans.CN 收音机爱 好者资料库 Doc InPower Power Mos-Fet Stage A4 23Saturday, December 26, 1992 Title SizeDocument NumberRev Date:Sheetof Vcc 35 VVcc

4、 35 V PATHOS ACOUSTICS INDUCTOR Adjust current on the fuse F1 to 4A with POT R16 Adjust current on the fuse F2 to 4A with POT R17 C13 220/25 1 2 D3 24 V R18 330 K 1 2 R14 R 12 D5 15 V D7 15 V R20 10 K 1 2 1 SPEAKER 12 Q6 IRF P 240 2 1 3 R21 10 K 1 2 Q7 IRF P 240 2 1 3 Q8 IRF P 240 2 1 3 R22 10 K 1 2

5、 R28 220 K 1 2 D8 15 V D6 15 V R27 10 K 1 2 Q5 IRF P 240 2 1 3 Q4 IRF P 240 2 1 3 R26 10 K 1 2 R25 10 K 1 2 Q3 IRF P 240 2 1 3 R29 220 K 1 2 R19 330 K 1 2 R17 100k 1 3 2 R16 POT 1 3 2 R15 2k7 12 R24 10 K 1 2 Q2 IRF P 240 2 1 3 Q9 IRF P 240 2 1 3 R23 10 K 1 2 C14 220/25 1 2 D4 24 V F1 FUSE 12 F2 FUSE

6、 12 in + in - RadioFans.CN 收音机爱 好者资料库 Doc InPower Power Supply A3 33Saturday, December 26, 1992 Title SizeDocument NumberRev Date:Sheetof AC IN VCC_CIRCLE +12.6 V 270 V 35 V PATHOS ACOUSTICS Vacuum Tube Power supply Vacuum Tube Heater F3 FUSE 12C17 0.1/400 1 2 C15 220/400 1 2 R32 470K 1 2 Q11 MPSA92

7、 R30 1K8 1 2 R31 2K7 12 Q10 BUT 12 C20 22/350 1 2 D9 9.1 V D10 4x 1N4007 -+ 1 2 3 4 D13 4A 200V -+ 1 2 3 4 D11 270 V R36 220K 12 R34 220K 12 C21 1/50 12 U2 LM555 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 C22 0.01 12 D14 1N4148 1 2 R33 100K 12 D12 1N4007 12 K1 12V 1S 4 3 1 2 T1 MAIN POWER TRANSFORMER 15 48 TF1

8、 Transformer S1 SW SPST D16 LED 1 2 C23 0.1 1 2 C24 4700/25 1 2 C25 0.1 1 2 C26 4700/25 1 2 U1 LM7812 IN 1 C 2 OUT 3 D15 1N4007 1 2 R35 1K 1 2 L1 INDUCTOR IRON 12 D17 25A 200V -+ 1 2 3 4 C29 22000/50 1 2 C30 22000/50 1 2 F4 FUSE 12 C19 0.1/250 V 1 2 C28 0.1/250 V 1 2 C27 220/25 1 2 C18 0.1/400 1 2 C16 220/400 1 2