Alto EQU231- MKII V2, Service Manual

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Class Part No Description Specification Insert location Remark
PF01529 EQUALIZER EQU231-MK
Ⅱ
V2_ALTO_230V
├
0001 MB03220 rear board-RS-ACT EQU231-MK
Ⅱ
ALTO_V1.5
├
0002 MC00578 top cover EQU231MK
Ⅱ
├
0003 MA05527 panel EQU231-MK
Ⅱ
V2 ALTO_V1.1
├
0004
HD00021 glass tube fuse 100mA 250V φ 5.2*20mm CSA/S/UL/VDE
├
0005
TC00212 transformer-RS
PT-231-
Ⅱ
_115/230V
├
0006
MG00262 screw M4*8
1.fix transformer
├
0007
MG00042 screw M3*10
1.fix AC socket
├
0008 NI00315 power switch button-cambered surface 5*5*9(inner 3.3*3.3)
1.function key
├
0009 MG00061 screw-RS M3*10
1.fix AC socket
├
0010
HA01333 signle terminal wiring CF:W76 150mm UL1015 18AWG green/yellow
1.AC socket GND
&PU board GND
├
0011 HA00861 power cord Europe 3P LT-312+LT-501
├
0012 NI00240 sleeve φ 2.5*10mm
├
0013
NI00252 sleeve φ 4*20mm
├
0014
NI00218 cable tie ALT-102SB
├
0015
NI00501 self-adhere foot cushion 12.7*9*3t(SF-004)
├
0016
NA00137 clip-chain bag 5*7
├
0017 NA00862 PE bag-RS 0.04t*580*300 mm
├
0018 HI00026 power switch-RS RA12KKATOF 2P
1.PWR SW
├
0019 MG00025 screw-RS M3*6
front board*6,top
cover*10,rear
panel*3,front
panel*7,bracket*4
├
0020 MG00041 screw M3*6
1.fix PCB
├
0021
ME00016 color nut 4m/m
1.fix GND and
transformer
├
0022 MF00038 washer-RS φ 4* φ 7*1t 1.fix GND
├
0023
MF00048 washer-RS φ 4* φ 8*0.5t
1.fix GND
├
0024
HA02195 wire-RS 3P-3P 120mm UL1015 18AWG
├
0025
HK02066 PC board-RS
P-EQU31PU-
Ⅱ
-1-DIP
│ ├
0001
CC00039 mylar capacitor 0.1uF/100V 3% C18,C19,C20,C21,C47,C22,C23,C24,C25
│ ├
0002 CH00053 laminated capacitor 0.1uF/50V Y5V PH5mm C34,C35
│ ├
0003 SA00098 rectifier diode 1A/400V IN4004 D1,D2,D3,D4,D5
│ ├
0004 CC00015 mylar capacitor 0.0056uF/100V 3% C38,C39
│ ├
0005 CB00065 electrolytic capacitor 470uF/25V φ 10*16mm C50,C51
│ ├
0006 CB00134 electrolytic capacitor 1000uF/35V 105
℃
SH φ 12*21mm C48,C49
│ ├
0007 HC00112 balance MIC jack 99M-107SP-1-2 90° PUSH PJ1
│ ├
0008 HC00111 balance MIC jack 99M-108SP1 PJ3
│ ├
0009
HC00108 stereo MIC jack φ 6.3 stereo LJB0661-6 PJ2,PJ6
│ ├
0010
HC00241 RCA jack-RS RJ-1081-01-0500A PJ4,PJ5
│ ├
0011
SD00077 integrated circuit-RS L7815CV(TO220)/(ST/MOROCCO) U1
│ ├
0012
SD00079 integrated circuit L7915CV(TO220)/(ST) U2
│ ├
0013 MI00256 heat-sink 25*15*10.6-1PIN SCL-2020
│ ├
0014 MG00162 screw M3*8
│ ├
0015 MF00037 washer φ 3.2* φ 5*0.8t
│ ├
0016 NC00167 mica-RS 13*18( φ 3.6)TO-220
│ ├
0017 HC00172 connector(male) 3P 3.96mm 180° CN3
│ ├
0018 HC00256 connector(male) 5P 2.0mm 180° CN2,CN10,CN1
1.reverse insert
direction of
CN1&CN2
│ ├
0019
HC00257 connector(male) 6P 2.0mm 180° CN6,CN7
│ ├
0020
HC00078 connector(male) 4P 2.5mm 180° CN4
│ ├
0021
HI00008 relay RY-12W-K 12V
│ ├
0022 HA01918 jump 4mm JP1,JP2
│ ├
0023 SA00124 zener diode 1/2W 12V 12A2 ZD1
│ ├
0024 AC00603 lead free soldering bar S100
│ ├
0025 SA00175 Schottky barrier diode 1A/40V 1N5819
│ ├
0026 HK02064 PC board P-EQU31PU-
Ⅱ
-SMD
│ │ ├
0001 RD00282 SMD precise resistor 1/10W 1.00K Ω ±1% 0603 R39,R40,R8
│ │ ├
0002 RD00272 SMD precise resistor 1/10W 10.0 Ω ±1% 0603 R26,R33
│ │ ├
0003
RD00288 SMD precise resistor 1/10W 6.81K Ω ±1% 0603 R32,R29
│ │ ├
0004 RD00214 SMD precise resistor 1/10W 10.0K Ω ±1% 0603
R3,R5,R6,R17,R18,R55,R15,R25,
R27,R35,R36,R56,R13,R14
│ │ ├
0005 RD00219 SMD precise resistor 1/10W 20.0K Ω ±1% 0603 R42,R43,R44,R45,R10,R11,R54
│ │ ├
0006 RD00294 SMD precise resistor 1/10W 24.9K Ω ±1% 0603 R46
│ │ ├
0007 RD00290 SMD precise resistor 1/10W 47.5K Ω ±1% 0603 R20,R30,R31,R34,R38,R37
9. BOM List
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