SERVICE MANUAL

VOX VT30

TABLE OF CONTENTS
ASSEMBLY SKETCH：2-3
BLOCK DIAGRAM: 4
SCHEMATIC DIAGRAM: 5-6
PARTS LIST: 7-8

Issued: Nov.7, 2008

Ver.1.1
©2008 VOX AMPLIFICATION LTD.

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VT_MAIN_V0.2.8.sch-
1 -Thu Sep 11 13:17:39 2008

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VT30_POWER_V1.0.0.sch-1 -Mon Oct 27 15:37:59 2008

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VOX VT30 Parts List = SAFETY CRITICAL COMPONENT.

Component must be replaced only by the component specified in this list.
Parts Number Category Parts Name (KORG) Location Reference Q'TY
530000001086 CHIP INDUCTOR HH-1M2012-121 JACK PCB FB1,FB5,FB6 3
530000001147 HARNESS 3P WIRE BOARD IN 100MM JACK PCB 1
530000001100 PHONE JACK BPJ-BNB-6.5(NUT/BLACK) JACK PCB 1
530000001104 PHONE JACK PJ3039 (3.5PIE) JACK PCB 1
530000001094 OPAMP NJM072 (SMT) MAIN PCB IC5 1
530000000813 OPAMP NJM4556M MAIN PCB IC3 1
500324018020 DA CONVERTER AK4384ET-E2 MAIN PCB IC16 1
500320011255 CPU M38039G8H-603HP U0 MAIN PCB IC15 1
500320012334 DSP MB87R1420PMC-G-BND MAIN PCB IC14 1
530000000183 SRAM CS18LV02563AC-70 MAIN PCB IC22 1
530000000189 RESET IC KIA7125FV MAIN PCB IC1 1
500324018021 AD CONVERTER AK5358AET-E2 MAIN PCB IC11 1
530000000180 EEPROM AK93C45AF MAIN PCB IC2 1
530000001095 3-INVERTOR TC7WU04F MAIN PCB IC12 2
530000001096 DIGITAL TR DTC114EUA MAIN PCB DT1,DT2,DT3,DT4,DT17 5
530000001097 REGULATOR 78L05UA MAIN PCB IC17 1
530000001098 REGULATOR UTC UR3325 MAIN PCB IC9 1
530000000271 CHIP TRANSISTOR KTA2014 MAIN PCB Q5 1
530000000275 CHIP TRANSISTOR KTC2875 MAIN PCB Q1 2
530000000159 DOUBLE DIODE DA204K MAIN PCB WD1,WD2,WD3 3
530000000144 CHIP INDUCTOR HH-1M2012-600 MAIN PCB L21,L17,L20 3
530000001087 CRYSTAL 8.00MHz MAIN PCB X2 1
530000001088 CRYSTAL 22.5792MHz MAIN PCB X1 1
530000000288 VOLUME VR RV160-40-15S-B10K-C0 MAIN PCB VR3, VR6-VR12 8
530000000289 VOLUME VR RV160-40-15S-B10K-C11 (11CLICK) MAIN PCB VR4, VR5 2
530000000265 TACT SWITCH ATS-1230B (K=9.5MM) MAIN PCB SW1-SW10 10
530000000208 LED LED RED 3M/M DLL-B5131Q MAIN PCB LED5-LED11 7
530000001102 LED 3RG9HW-2-A MAIN PCB LED2,LED3,LED4 3
530000000762 CONNECTOR WAFER(GIL-S-3P-S2T2) MAIN PCB CN2,CN5 2
530000000760 LED SUPPORT MAIN PCB 7
530000001148 HARNESS 8P LEAD WIRE BOARD IN 230MM MAIN PCB 1
530000001149 HARNESS 5P LEAD WIRE BOARD IN 320MM MAIN PCB 1
530000001124 TACT KNOB "A" NBR 9PIE MAIN PCB 9
530000001125 TACT KNOB "B" NBR 7PIE MAIN PCB 1
530000001114 LED SUPPORT 9MM MAIN PCB 3
530000000196 POWER IC TDA2050 POWER PCB IC1 1
530000001091 OP-AMP NJM072D (DIP) POWER PCB IC6,IC20 2
530000001092 REGULATOR KA7909 POWER PCB IC8 1
530000001093 " KA7809 POWER PCB IC19 1
530000001103 LED 3O4HD-7 POWER PCB LED2 1
530000000207 LED DLL-50231(R114) POWER PCB LED1 1
530000000290 POTENTIONMETER RV162-20-15SP-B100K POWER PCB VR13 1
530000000140 BRIDGE DIODE KBP206G POWER PCB D6 1
530000000142 BRIDGE DIODE W04M POWER PCB D7 1
530000000150 DIODE 1N4002 POWER PCB D8,D9,D10,D11,D25,D26 6
530000000277 TRANSISTOR KTC3198-GR POWER PCB Q7,Q8,Q9,Q11,Q16,Q21,Q22 7
530000000268 TRANSISTOR KTA1266GR POWER PCB Q10,Q14,Q23 3
530000000273 TRANSISTOR KTC2874 POWER PCB Q13 1
530000001116 CONNECTOR WAFER LWL0640 3P POWER PCB CN7 1
530000001115 CONNECTOR WAFER LWL0640 5P POWER PCB CN9 1
530000000764 CONNECTOR WAFER LWL0640 8P POWER PCB CN12 1
530000001099 SILICON PAD TO220(S) POWER PCB 1
530000000840 INSULATOR BUSHING TO-220(3PIE) POWER PCB 1
530000000797 STEREO JACK EPJ-BBB-P 8mm POWER PCB J4 1
530000001101 TUBE SOCKET GZC9-A POWER PCB V2 1
530000000850 HEAT SINK AL EXTRUDING(80x35x92) POWER PCB 1
530000001117 TUBE RETAINER POWER PCB 1
530000000883 PCB SPACER BRASS 10MM POWER PCB 7
530000001143 PCB ASS'Y JACK PCB ASSY VT15/30 CHASSIS 1
530000001144 PCBASS'Y MAIN PCB ASSYVT15/30 CHASSIS 1
530000001146 PCB ASS'Y POWER PCB ASSY VT30 CHASSIS 1
530000000745 RING CORE （OP18C） CHASSIS 230V ONLY 1
530000001119 MAIN CHASSIS VT30 CHASSIS 1
530000001129 FRONT PANEL VT30 CHASSIS 1
530000001134 REAR PANEL 100V (VT30) CHASSIS (1)
530000001135 REAR PANEL 120V (VT30) CHASSIS (1)
530000001136 REAR PANEL 230V (VT30) CHASSIS (1)
530000001137 REAR PANEL 240V (VT30) CHASSIS (1)

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Parts Number Category Parts Name (KORG) Location Reference Q'TY

530000001126 VOLUME KNOB CHIKEN HEAD CLEAM CHASSIS 8
530000001127 ROUND KNOB CHASSIS 3
530000000206 LED BUSHING CHASSIS 1
530000000839 RUBBER BUSHING PAI12 CHASSIS 1
530000001109 TRANSFORMER 100V = 066-VT30J CHASSIS (1)
530000001110 TRANSFORMER 120V = 066-VT30U CHASSIS (1)
530000001111 TRANSFORMER 220-230V = 066-VT30E CHASSIS (1)
530000001112 TRANSFORMER 240V = 066-VT30EF CHASSIS (1)
530000000807 FUSE T1.25A L 250V CHASSIS FUSE 100V/120V (1)
500464061801 FUSE T630MA L 250V CHASSIS FUSE 230V/240V (1)
530000000832 POWER SWITCH APS-1101HV0(RL3-111) CHASSIS 1
530000000199 INLET/FUSE HOLDER SC-8F-21 CHASSIS 1
530000000282 TUBE 12AX7EH CHASSIS 1
530000001154 CHASSIS ASS'Y VT30 100V (1)
530000001155 CHASSIS ASS'Y VT30 120V (1)
530000001156 CHASSIS ASS'Y VT30 230V (1)
530000001157 CHASSIS ASS'Y VT30 240V (1)
530000001158 SPEAKER VT30 (10 INCH 4 OHM) 1
530000001142 CABINET ASS'Y VT30 1
530000000313 HANDLE ASS'Y 1
530000000138 BRAND MARK VOX (LARGE) SILVER 1
530000000160 EMBLEM VALVETRONICS SILVER 1
530000001121 GRILL VT30 1
530000000767 VENT GRILL 2
530000000252 RUBBER FOOT SBR SMALL 4
530000000146 CORNER NYLON 6/6 COR0012-A 6
530000000875 RUBBER SPONGE 150X5X2T SPEAKER GRILL 2
530000001139 RUBBER SPONGE 30*18*2T TUBE 1
530000001140 RUBBER SPONGE 30*20*1T HEAT SINK 1
500600006508 AC CORD 100V = LY100JPVCTFLY35LY37 100V (1)
500540028903 ADAPTER PLUG YL-212 100V (1)
530000000123 AC CORD 120V = KKP30-16A 120V (1)
530000000124 AC CORD 230V = KKP4819R-16A 230V (1)
530000000125 AC CORD 230V = KKP650-16A 230V (1)
530000000126 AC CORD 240V = KKP550-16A 240V (1)

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