Ibanez_thermion_schematic_tn120 电路图 维修原理图.pdf
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1、12345678 A B C D 87654321 D C B A * Caps are 500V unless otherwise specified * Resistors are 1/2w unless otherwise specified * mc: MICA CAP 500V * pp: POLYPROPYLENE CAP 500V R101 1M R203 1.8k C201 0.22uF/25 V1B 7025SS/12AX7A_H.G.+ JK101 INPUT GND2 8 5 6 7 R201 68k R202 68k HI LO 1 2 1 2 R204 220k/1W
2、 R303 510k R302 2.2M C307 pp222/630V C303 pp332/630V D301 1N4148 a RELAY-DPDT Relay-SPDT R304 470k R205 1.8k R206 100k/1W C202 1uF/25 C308 pp102 C309 mc20pF C203 pp472 C204 pp103 VR307 GAIN/Hot A1M VR301 GAIN/VintageA1M V1A 7025SS/12AX7A_H.G.+ E GND3 1 2 C306 mc470p C305 pp102 RS301 BRIGHT SW GND3 Q
3、301 C1815 GND2 R306 2.2M R210 100k/1W R209 39k C205 pp102 V2B 7025SS12AX7A_H.G._SELECTED b 6 7 8 4 9 RL301 Vintage Hot R207 470k R213 220k/1W R211 220k R212 1.5k C206 pp203 V2A D a 1 2 3 C207 mc220pF 1 2 1 2 R216 100k V3B 7025SS/12AX7A C R307 22k C316 pp332 C310 mc680pF C311 pp203 C312 pp203 VR306 1
4、MA VR311 PPRESENCE B50k MIDDLE VR303 B25k BASS VR302 A1M VR304 TREBLE B250k b 6 7 8 4 MASTER R214 22k VR312 250kA R310 750k Vintage Channel Hot Channel R217 100k R308 47k C313 mc680pF C314 pp203 C315 pp203 VR309 MIDDLE B25k VR308 BASS A1M VR310 TREBLE B250k R215 22k 1 V3A 2 3 1 1 2 1 2 1 GND3 R316 3
5、.3k R317 100k Q304 A1015 Q305 A1015 R319 10k R320 10k R318 100k GND3 GREEN/DPNG IN S2 JK401 FOOT SW1 R326 10k R327 100k Q308 A1015 Q309 A1015 R329 22k R330 10k R328 100k GND3 12 LD6 GR Off On R218 1M R220 2.2M R221 100k V4A D 1 2 3 R223 1.5k V4B 7025SS/12AX7A_H.G._SELECTED 6 7 84 5 C209 pp104 R219 2
6、.2M C210 pp224 VR313 100kA/cc VR314 100kB/cc SEND LEVEL R403 91k C212 pp473 R224 1M C211 pp473 GND3 R222 220k GND3 GND2 Relay-DPDT D306 1N4148 a Q312 C1815 R333 4.7k RL306 On On Off GND3 R321 4.7k PCB 1PCB 2 / FR-4 PCB 3 / FR-4 Normal Bright Brighter Off PCB 4 PCB 2 MASTER Tip Ring BL BL EFFECTS LOO
7、P Switch BK RD 1 2 1 2 GND1 YW BK S4 S1 SPST PAD SWITCH 1 2 1 2 33 RETURN LEVEL Vintage Hot /JOHN LOMAS Nov 1, 2005 SHIN TAKASHIMA DESIGNED BY: HOSHINO U.S.A. INC. TN120 1.11 MODEL: REVISION: DATE: SHEET NO.:1 IBANEZ 1 2 1 2 33 1 2 1 2 R225 2.2M R332 3.3M 12 LD5 2xGREEN YW BK * Make 10mm diameter ho
8、les in PCB2 under all 12AX7A pre-tubes for ventilation * Double sided FR-4 grade P.C.B. * The parts except for tube sockets should be put on the other side of the tubes PCB2 * All pre-tubes need to be shielded by shield can * Pre-Tube socket and retainer assembled : TUS9PC6 / Magic Parts * Use alumi
9、num foil shield lines 9 3 R301 1M C304 mc220p/630V GND3 R404 270k R305 3.3M 5 b 4 C301 pp682/630V R208 1M Vintage Hot C302 pp682/630V D302 1N4148 Q302 C1815 R312 4.7k Vintage Hot RL302 RELAY-SPDT Relay-SPDT GND3 C208 1u/25V D303 1N4148 a RL303 RELAY-SPDT Relay-SPDT DPNG IN DPNG OUT Q303 C1815 GND3 D
10、PNG IN DPNG OUT a R322 100k Q306 A1015 Q307 A1015 R324 22k R325 10k R323 100k GND3 R313 4.7k JK402 FOOT SW2 E WH WH RD BK RD BK 12 LD4 GR BK 12 LD3 2x GREEN GR BK S3 Out In RD RD RED/DPNG OUT Vintage Channel SW a D305 1N4148 a RELAY-DPDT Relay-SPDT RL305 Vintage Hot Vintage HotS8 SPDT Series JK404RE
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