Circuit Diagram, Structural Diagram, Block Diagram and Test
Mode
are same as AD120VTH.
1st Edition
Issued date: October 17th, 2003
Issued by: KORG INC.
PART CODE PART NAME NOTE Q'TY001222800 MAIN PCB KLM-2228
AD120VTX CHASSIS ASSY 1320011223 IC M38257M8-261 T AD120VTX FRONT
PCB 1334000600 PHOTO COUPLER PC-410K AD120VTX FRONT PCB 1
*V903010002 TR PNP 2SA1359-Y AD120VTX POWER PCB 1*V903010003 TR
PNP 2SA1837 AD120VTX POWER PCB 4*V903010004 TR NPN 2SC2458 OR
KTC3198-Y AD120VTX POWER PCB 2*V903010005 TR NPN 2SC3422 OR
KTD600-Y AD120VTX POWER PCB 1*V903010006 TR NPN 2SC4793 AD120VTX
POWER PCB 4*V903010007 TR PNP KTA1024-Y AD120VTX POWER PCB
4*V903010008 TR PNP 2SA1943-O AD120VTX POWER PCB 2*V903010009 TR
NPN KTC3206-Y AD120VTX POWER PCB 4*V903010010 TR NPN 2SC5200-O
AD120VTX POWER PCB 2*V903010011 DIGITAL TR KRA102M AD120VTX POWER
PCB 1*V903010012 DIGITAL TR KRA102S AD120VTX FRONT PCB 4*V903010014
DIGITAL TR KDS226S AD120VTX FRONT PCB 1*V903010015 DIGITAL TR
KDS184S AD120VTX FRONT PCB 8*V903010016 DIGITAL TR KRC102S T
AD120VTX FRONT PCB 9*V903020003 FET N CHANNEL VN2410N AD120VTX
POWER PCB 4*V903111001 SILICON RECTIFIRE DIODE 1N4007 AD120VTX
POWER PCB 6*V903111002 SILICON SWITCHING DIODE 1N4148 AD120VTX
POWER PCB 8*V903111008 BRIDGE RECTIFIER DIODE KBU604 AD120VTX POWER
PCB 1*V903111009 BRIDGE RECTIFIER DIODE SHSW04M AD120VTX POWER PCB
1*V903111010 ZENER DIODE B15V 0.5W 1N5245 AD120VTX POWER PCB
2*V903120001 LED 3 RED KLR124 AD120VTX FRONT PCB 19*V903120003 LED
5 RED KLR114 AD120VTX CHASSIS ASSY 1*V903120007 LED DISPLAY A551H
AD120VTX FRONT PCB 1*V903200005 IC BU4051BCF AD120VTX FRONT PCB
1*V903200005 IC BU4051BCF AD120VTX FRONT PCB 2*V903200008 IC
VOLTAGE REGULATOR KIA7805AF AD120VTX FRONT PCB 1*V903200009 IC
EEPROM AK93C75AV AD120VTX FRONT PCB 1*V903200010 IC SYSTEM RESET
KIA7125AV AD120VTX FRONT PCB 1*V903200011 IC HEX INVERTER 74HC05
AD120VTX FRONT PCB 1*V903200012 IC SCHMITT INVERTER TC7S14FU
AD120VTX FRONT PCB 1*V903200013 IC DP AMP NJM4556 AD120VTX POWER
PCB 3*V903200015 IC OP AMP NJM072 AD120VTX POWER PCB 2*V903210002
VOLTAGE REGULATOR 78L05 AD120VTX POWER PCB 1*V903300009 FUSE CLIP
0751-0110 AD120VTX POWER PCB 6*V903300010 FUSE TIMELAG 250V T125MA
AD120VTX POWER PCB 1*V903300011 FUSE TIMELAG 250V T1.6A AD120VTX
POWER PCB 1*V903300012 FUSE TIMELAG 250V T1A AD120VTX POWER PCB
1*V903300013 FUSE 100V/120V = 250/T6.3A AD120VTX CHASSIS ASSY
1*V903300014 FUSE 230V = 250V/T2.5A AD120VTX CHASSIS ASSY
1*V903350001 CRYSTAL 8MHZ AD120VTX FRONT PCB 1*V903620008
RS1620-20-15S-A10K-C0 STEREO AD120VTX POWER PCB 1*V903620009
RV1620-40-15S-B10K-C0 MONO AD120VTX FRONT PCB 13*V903620010
RV1620-40-15S-A10K-C0 STEREO AD120VTX FRONT PCB 1*V903620011
RV1600-40-15S0B10K-C11 AD120VTX FRONT PCB 1*V903620012 ROTARY SW
4C4P RS-4401-15S-20 AD120VTX POWER PCB 1*V903630004 SEMI VOLUME
B10K OHM AD120VTX POWER PCB 4*V903630005 SEMI POTENTIOMETER B220
OHM AD120VTX POWER PCB 2*V904020001 AXIAL BEED CORE AD120VTX JACK
PCB 13*V904020001 AXIAL BEED CORE AD120VTX FRONT PCB 4*V904020001
AXIAL BEED CORE AD120VTX POWER PCB 2*V904020002 CHIP BEED CORE
AD120VTX FRONT PCB 2*V904050013 OUTPUT TRANSFORMER AD120VTX POWER
PCB 2
PART CODE PART NAME NOTE Q'TY*V904050015 POWER TRANS AD60-DJ
(100V) AD120VTX CHASSIS ASSY 1*V904050016 POWER TRANS DU (120V)
AD120VTX CHASSIS ASSY 1*V904050017 POWER TRANS DE (230V) AD120VTX
CHASSIS ASSY 1*V904050018 POWER TRANS DAU (240V) AD120VTX CHASSIS
ASSY 1*V904100106 SPEAKER 12INCH 8OHM(CELESTION) AD120VTX SET ASSY
1*V904530003 SWITCH R13-28F-01-BINN-NA AD120VTX CHASSIS ASSY
1*V904530005 ANALOG SW DG211 AD120VTX POWER PCB 2*V904530006 ANALOG
SW MAX333 AD120VTX POWER PCB 1*V904530007 ENCORD SW BTQS20V
AD120VTX FRONT PCB 1*V904530008 TACT SW ST-1101B 9.5MM AD120VTX
FRONT PCB 14*V904530009 POWER SWITCH 230V,240V= C17500 AD120VTX
CHASSIS ASSY 1*V904530013 SLIDE SWITCH JSS-2324, 3CLICK AD120VTX
POWER PCB 1*V904540012 MODULAR JACK JM37115-LO AD120VTX JACK PCB
1*V904540014 PHONE JACK APJ-8P-M(MONO) AD120VTX POWER PCB
2*V904540014 PHONE JACK MONO APJ-8P-M AD120VTX FRONT PCB
2*V904540014 PHONE JACK MONO APJ-8P-M AD120VTX JACK PCB
4*V904540015 PHONE JACK APJ-8P-S(STEREO) AD120VTX POWER PCB
1*V904540017 PHONE JACK CL1110 (MONO) AD120VTX POWER PCB
2*V904700000 AC CONNECTOR SC-8F-21 AD120VTX CHASSIS ASSY
1*V904754001 POWER TERMINAL GP881191-2 (250T) AD120VTX POWER PCB
9*V905000001 TUBE SOCKET VT9-PT-2 AD120VTX POWER PCB 2*V905000002
VACUUME TUBE 12AX7WA AD120VTX POWER PCB 2*V906000104 AC POWER CORD
KKP-30 SVT(120V) AD120VTX SET ASSY 1*V906000105 AC POWER CORD
KKP-4819R(230V) AD120VTX SET ASSY 1*V906000106 AC POWER CORD
KKP650(230UK) AD120VTX SET ASSY 1*V906000107 AC POWER CORD
KKP550(240AU) AD120VTX SET ASSY 1*V906400001 HANDLE BAR AD120VTX
SET ASSY 3*V906400002 HANDLE EDGE AD120VTX SET ASSY 6*V906400003
KNOB (CHICKEN HEAD) AD120VTX CHASSIS ASSY 11*V906400007 VALVETRONIX
EMBLEM AD120VTX SET ASSY 1*V906400008 VOX BRAND MARK LARGE AD120VTX
SET ASSY 1*V906400009 PLASTIC CORNER AD120VTX SET ASSY 8*V906400010
TACT KNOB 1 AD120VTX CHASSIS ASSY 1*V906400011 TACT KNOB 2 AD120VTX
CHASSIS ASSY 1*V906400012 TACT KNOB 3 AD120VTX CHASSIS ASSY
1*V906400013 TACT KNOB 4 AD120VTX CHASSIS ASSY 1*V906400014 TACT
KNOB UP AD120VTX CHASSIS ASSY 1*V906400015 TACT KNOB DOWN AD120VTX
CHASSIS ASSY 1*V906400016 TACT KNOB BLANK AD120VTX CHASSIS ASSY
8*V906400017 ROUND KNOB AD120VTX CHASSIS ASSY 7*V906400018 VENT
GRILL AD120VTX SET ASSY 3*V906400019 EMBLEM(VTX) AL FLEXION GOLD
AD120VTX SET ASSY 1*V906410004 WOODEN CABINET MDF18t AD120VTX SET
ASSY 1*V906420002 RUBBER FOOT LARGE AD120VTX SET ASSY 4*V906430015
LED BUSHING AD120VTX CHASSIS ASSY 1*V906430016 LED SUPPORT AD120VTX
FRONT PCB 19*V906430017 TUBE COVER AD120VTX CHASSIS ASSY
2*V906430018 RUBBER BUSHING PHI 12 AD120VTX CHASSIS ASSY
1*V906430020 SEGMENT SPACER AD120VTX FRONT PCB 2*V906430033
INSULATE SPACER MICA, TO-3P AD120VTX POWER PCB 4*V906430034
RESISTOR SUPPORT P-520-02 AD120VTX POWER PCB 4*V906430041 PCB
SPACER BRASS 47.5mm AD120VTX CHASSIS ASSY 5*V906430042 PCB SPACER
BRASS 30mm AD120VTX CHASSIS ASSY 7
PART CODE PART NAME NOTE Q'TY*V906430044 TRANS COVER EGI 1t
AD120VTX CHASSIS ASSY 1*V906430045 HEAT SINK BRACKET EGI 1.2t
AD120VTX POWER PCB 3*V906430046 MAIN CHASSIS EGI 1.2t AD120VTX
CHASSIS ASSY 1*V906430047 FRONT PANEL PVC 0.5t HAIR LINE AD120VTX
CHASSIS ASSY 1*V906430048 REAR PANEL PVC 0.5t BK (100V) AD120VTX
CHASSIS ASSY 1*V906430049 REAR PANEL PVC 0.5t BK (120V) AD120VTX
CHASSIS ASSY 1*V906430050 REAR PANEL PVC 0.5t BK (220-230V)
AD120VTX CHASSIS ASSY 1*V906430051 REAR PANEL PVC 0.5t BK (240V)
AD120VTX CHASSIS ASSY 1*V906440007 HEAT SINK FIX PLATE AD120VTX
POWER PCB 1*V906440022 RUBBER SPONGE 10x6x2t BLACK AD120VTX CHASSIS
ASSY 16*V906440023 HEAT SINK AL EXTRUTION AD120VTX POWER PCB
2*V909000018 POWER PCB ASSY PWB020926A AD120VTX POWER PCB
1*V909000019 FRONT PCB ASSY PWB010601D AD120VTX FRONT PCB
1*V909000020 JACK PCB ASSY PWB010601C AD120VTX JACK PCB 1
