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ENCOUNTER
SERVICE MANUAL
AMPLIFIER MODEL
EN-AM4502
EN-AM4502 Material list
Part Number Items Q'ty Position
0 ASY-ENAM4502
1... WZ-ENAM4502
2... DIO1N4004R diode 1 D2
2... DIO1N4148R diode 8 D3~10
2... ECT016V107MDR Capacitor 3 C7.C116.C216
2... ECT016V477MDR Capacitor 2 C19~20
2... ECT025V107MBR Capacitor 1 C28
2... ECT025V226MDR Capacitor 1 C5
2... ECT050V103KTR Capacitor 1 C40
C12.C15~16.C21`22.C115.C121.C215.C221.C24.C2
2... ECT050V104KTR Capacitor 11
6
2... ECT050V105MBR Capacitor 1 C10
2... ECT050V105MDR Capacitor 3 C8.C122.C222
2... ECT050V106MDR Capacitor 2 C101.C201
2... ECT050V331KTR Capacitor 4 C102.C114.C202.C214

2... ECT050V470KTR Capacitor 8 C103.C117.C119~120.C203.C217.C219~220

2... ECT050V681KTR Capacitor 1 C11
2... ECT100V104DSR Capacitor 5 C1.C118.C123.C218.C223
2... ECT100V393DSR Capacitor 2 C105.C205
2... ECT100V472DSR Capacitor 1 C2
2... ECT100V473DSR Capacitor 2 C3~4
2... ECT100V563DSR Capacitor 2 C104.C204
2... PCBEN45021AR PCB 1
R7.R108.R128~129.R133~134.R146.R208.R228~22
2... RESCF121Y101JR resistor 13
9.R233~234.R246
R25~27.R43.R102.R124.R126`127.R131~132.R202.
2... RESCF121Y102JR resistor 16
R224.R226~227.R231~232

R4.R9~10.R16~17.R19~20.R23.R41~42.R104~105.
2... RESCF121Y103JR resistor 23 R123.R125.R130.R135.R149.R205.R223.R225.R23
0.R235.R249
2... RESCF121Y104JR resistor 1 R6
2... RESCF121Y122JR resistor 5 R13.R103.R147.R203.R247
2... RESCF121Y123JR resistor 3 R2.R142.R242
2... RESCF121Y152JR resistor 1 R22
2... RESCF121Y153JR resistor 1 R15
2... RESCF121Y181JR resistor 1 R1
2... RESCF121Y183JR resistor 2 R107.R207
2... RESCF121Y205JR resistor 1 R14
2... RESCF121Y222JR resistor 2 R145.R245
2... RESCF121Y224JR resistor 1 R5
2... RESCF121Y272JR resistor 2 R138.R238
2... RESCF121Y302JR resistor 3 R8.R21.R50
2... RESCF121Y331JR resistor 2 R141.R241
2... RESCF121Y392JR resistor 1 R24
2... RESCF121Y393JR resistor 1 R18
2... RESCF121Y432JR resistor 2 R137.R237
2... RESCF121Y433JR resistor 1 R12
2... RESCF121Y470JR resistor 4 R139~140.R239~240
2... RESCF121Y472JR resistor 2 R3.R11
2... RESCF121Y473JR resistor 3 R101.R106.R201
2... RESCF121Y563JR resistor 1 R206
2... RESCF121Y681JR resistor 4 R28~29.R136.R236
2... RESCF121Y682JR resistor 2 R109.R209
2... RESCF251Y101JR resistor 4 R30~33
2... RESCF251Y102JR resistor 2 R48~49
2... TRA2N4401R triode 7 Q1.Q102.Q104.Q113.Q202.Q204.Q213
2... TRA2N4403R triode 8 Q2~5.Q103.Q105.Q203.Q205
2... TRAA06R triode 4 Q108~109.Q208~209
2... TRAA56R triode 4 Q106.Q110.Q206.Q210
2... WIR060R6R jumper 21 J1~21
2... WIR080R6R jumper 9 J22~30
2... WIR100R6R jumper 13 J31~43
2... WIR130R6R jumper 13 J44~55.J73
2... WIR150R6R jumper 2 J56~57
2... WIR170R6R jumper 4 J58~61
2... WIR200R6R jumper 5 J62~66
2... WIR250R6R jumper 2 J67~68
2... WIR300R6R jumper 2 J69~70
2... WIR330R6R jumper 2 J71~72
2... ZD1N5239BR diode 1 ZD1
2... ZD1N5241BR diode 1 ZD2
2... ZD1N5245BR diode 2 ZD3~4
2... WS-ENAM4502 1
2... DIO1N5402R diode 1 D1
2... DIOFMG22RR diode 1 D11
2... DIOFMG22SR diode 1 D12
2... ECT025B228MER Capacitor 2 C25.C27
2... ECT035B338MDR Capacitor 2 C13~14
2... ERT154K01R varistor 1 RT1
2... FAN09002RR pipe 1
2... FUS1JK201R fuse holder 1 FUSE
2... ICBA4558D8PR IC 1 IC2
2... ICBA4558S8PR IC 3 IC101~103
2... ICKIA494PR IC 1 IC3
2... ICPC17K1R IC 1 IC1
2... IND3U1R8H1R Inductors 1 L1
2... LEDRGR302R LED 1 LED
2... MOSIRFZ44NR Mosfet 4 Q6~9
2... RCAJU4RWAR RCA 1 RCA
2... RESCEM502NR10KR resistor 4 R143~144.R243~244
2... RESCF501R4R7JR resistor 2 R150.R250
2... RESMO102R220JR resistor 1 R40
2... RESMO202L331JR resistor 2 R44~45
2... ST3DOWHI002R Terminal 1 3PIN
2... ST4DOWHI002R Terminal 1 4PIN
2... SW12P3T06002R Power switch 1 SW
2... TRA2SA1694R Transistor 2 Q112.Q212
2... TRA2SC4467R Transistor 2 Q111.Q211
2... TRA2SC945R Transistor 2 Q101.Q201
1... TRAA06R triode 2 Q107.Q207
2... TRR38614001R transformer 1 TR-1
2... VRRB10402J10R VR 1 VR2
2... VRRB50302J1001R VR 2 VR1.VR3
2... W051P2207001R ground wire 1 GND
1... E-ENAM4502 1
2... FUS0435R032VR fuse 1
2... PCBEN45021BR PCB 1
2... SOC2P02090ONR SOC 2 K101A~102A
2... SOC2P04090ONR SOC 1 K103A
1... A-ENAM4502
2... BRA0300102R BAR 3
2... BRA0420102R BAR 2
2... BRAPP400201R Bracket 4
2... BZB20100T5R BZ 1 For slide switch
2... ECEN300201R plastic endcap 1
2... ECEN300202R plastic endcap 1
2... EVA08125TR EVA foam 2 Q107 Q207
2... FPEN3002R front panel 1
2... HSEN4502R heatsink 1
2... INN08030T7R insulation pad 2 For copper pole
2... RPEN4502R rear panel 1
2... RUB101012T7R rubber pad 2
2... SC5R0901R copper pole 2 To fix PCB
2... SD3R3LZR pad 1 For ground wire
2... SD8R0GZR pad 1 For varistors
2... SF3R0DHR screw nut 4 For panels
2... SIP035240101R pad 2
2... SIP048290101R pad 2
2... SM3R006PKR screw 6 For copper pole and rear panel
2... SM3R008SKR screw 4 For end caps
2... SM3R014SKR screw 1 For plastic ones
2... SM4R013GKR screw 5 For bars
2... SP2R006PKR screw 2 For fuse holder
2... SP3R005PKR screw 2 For varistors and ground wire
2... SP3R006PKR screw 4 For big PCB
2... SP3R008PKR screw 11 For front panel RCA terminal plastic cover
1... B-ENAM4502
2... BCEN6001R Bottom chassis 1
2... BGF350360R PE bag 1
2... BOXEN4502R master carton 0.25
2... EVA081750T5R EVA pad 2 For bottom chassis
2... GIBEN4502R Giftbox 1
2... INSEN4502R manual 1
2... LABEN450201LR S/N label 2 For amp, GB
2... PADEN4502R Pad 0.5
2... SHEEN300201R pad 2
2... SP3R006PKR screw 6 for bottom chassis