SERVICE MANUAL
VOX VT15
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.
1 OF 2 .
VOX VT15 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 QTY
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 IC21 1
530000001091 OP-AMP NJM072D (DIP) POWER PCB IC6,IC20 2
530000001092 REGULATOR KA7909 POWER PCB IC8 1
530000001093 REGULATOR 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
530000001122 HEAT SINK VT15 POWER PCB 1
530000001117 TUBE RETAINER POWER PCB 1
530000000883 PCB SUPPORT 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
530000001145 PCB ASS'Y POWER PCB ASSY VT15 CHASSIS 1
530000000745 RING CORE （OP18C） CHASSIS 230V ONLY 1
2 OF 2 .
Parts Number Category Parts Name (KORG) Location Reference QTY
530000001118 MAIN CHASSIS VT15 CHASSIS 1
530000001128 FRONT PANEL VT15 CHASSIS 1
530000001130 REAR PANEL 100V (VT15) CHASSIS (1)
530000001131 REAR PANEL 120V (VT15) CHASSIS (1)
530000001132 REAR PANEL 230V (VT15) CHASSIS (1)
530000001133 REAR PANEL 240V (VT15) CHASSIS (1)
530000001126 VOLUME KNOB CHIKEN HEAD CLEAM CHASSIS 8
530000001127 ROUND KNOB CHASSIS 3
530000000206 LED BUSHING CHASSIS 1
530000000839 RUBBER BUSHING PAI12 CHASSIS 1
530000001105 TRANSFORMER TRANS 100V = 057-VT15J CHASSIS (1)
530000001106 TRANSFORMER TRANS 120V = 057-VT15U CHASSIS (1)
530000001107 TRANSFORMER TRANS 220-230V = 057-VT15E CHASSIS (1)
530000001108 TRANSFORMER TRANS 240V = 057-VT15EF CHASSIS (1)
530000001090 FUSE T630MA L 250V CHASSIS FUSE 100V/120V (1)
530000001089 FUSE T400MA 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
530000001138 RUBBER SPONGE 30*30*1T CHASSIS 1
530000001150 CHASSIS ASS'Y VT15 100V CHASSIS ASS'Y (1)
530000001151 CHASSIS ASS'Y VT15 120V (1)
530000001152 CHASSIS ASS'Y VT15 230V (1)
530000001153 CHASSIS ASS'Y VT15 240V (1)
530000001113 SPEAKER TLS200G0426-1 1
530000001085 CABINET ASS'Y VT15 1
530000000313 HANDLE ASS'Y 1
530000000138 BRAND MARK VOX (LARGE) SILVER 1
530000000160 EMBLEM VALVETRONICS SILVER 1
530000001120 GRILL VT15 1
530000000767 VENT GRILL 1
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
500600006508 AC CORD 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)
