mc2100 rev engrd
DESCRIPTION
Schematic of MC2100 treadmill control boardTRANSCRIPT
motorCB
microPin 17
RC's = 0.07 sec(poorly matcheddue to electrolytics)
micro Pin 19(clk 2)
FLOATING +5V
R32k
R10100k
HD2pin 4
R24511K 1%
R26511K 1%
C164.7@ 16
Q5 2N4401.75 Vce sat
2
1 6
4
D8 10v1N474
microPin 4
R32 1%0.01 1W
C180.01
C17100@ 16
100@16V
+
6
3
U1 F817
U2 F817
HD2pin 7
INSpin 1
INSpin 2
INSpin 3
1500@200V
Earth GND
randomphasetrigger
0.001
C4
C12
0.01C6DB1
MOV
N
ForRev
Inclinemotor
0.10.1
1
2
4
6TD3043 1
2
4
6TD3043
TB086TB086
+27K1W
U4TD3052
3.3K7W
D7
Q1 S4025L
D9
R175221% R14
Q62N4403
M+
M-
D13HFA15
Q2IRFP250
C5
U5MIC4227
R29 100
R30 100
micro Pin 8
R21 100
mainCB
R110
15000@16V
+C2
RG278L05
HD2pin 2
C210.1 1
2
4
3
1
2
4
3
R222
HD2pin 3
NEAR Earth GND
RG178L05
C70.1
R411k
R3910k
D101N414
R40100K
micro Pin 12(IF MICRO HANGS,CHARGE PUMP STOPSAND ac GOES OFF)
C15.1?
R2710K
R2291k
R2315K 1%
R2515K 1%
C134.7@ 16
C144.7@ 16
microPin 3
2
3 1
FLOATING +5V
C110.1
microPin 20+5V
C1010
+
microPin 1
microPin 2
R41k
microPin 14
microPin 1 pot analog V (max speed cal adj)Pin 2 opto sense of data from consolePin 3 motor +V sensePin 4 motor current sense analog sigPin 5 Base of Q3Pin 6 1N914 drive to LED & TachPin 7 AC power Voltage sensePin 8 FET PWM drive to driverPin 9 PGM HDR pin 4 & Cath of LEDPin 10 GND
Pin 11 PGM HDR pin 5 directPin 12 Deadman clock to AC enable SCR charge pumpPin 13 opto console-sense: possible drive overridePin 14 Opto drive for data to consolePin 15 PGM HDR pin 3 direct & Collector of Q3Pin 16 n.c.Pin 17 motor -V sensePin 18 clk 1 sensing PGM HDR pin 1 via 100K dividerPin 19 clk 2 from tachPin 20 +5V
+5VFLOATING
microPin 5
R8 1k
R5520
C23 ?
HD8 pin 1 2 3 4 5
HD7 pin 1(tachreed sw)
2
R18100k
R19100k
micro Pin 18(clk 1)
C30.01
R61k R7
100k
micro Pin 9
R162k
R201k
microPin 11
microPin 15
R154700
C22.001
D111N914
microPin 6
microPin 13
microPin 7
R132.4k
R126.2k
microPin 1 analog INPin 2 analog IN/OUTPin 3 analog IN/OUTPin 4 analog INPin 5 Switch mode pump OUTPin 6 port 1-7Pin 7 port 1-5Pin 8 port 1-3Pin 9 port 1-1 / SCLKPin 10 GND
Pin 11 port 1-0 SDATPin 12 port 1-2Pin 13 port 1-4Pin 14 port 1-6Pin 15 ext rsetPin 16 analog INPin 17 analog IN/OUTPin 18 analog IN/OUTPin 19 analog INPin 20 V+
R337.5
R347.5
HD2pin 6
HD2pin 5
HD2pin 1,8
2 KHz rep rate20 usec pulse
60 usec fixed period4 usec ON => slowest0.25 uSec step resolution
HEADER 2Pin 1 BLK GNDPin 2 RED Pin 3 GRN Pin 4 BLUE PWM from consolePin 5 ORNGPin 6 YELLPin 7 VIOLPin 8 BLK
50 msec fixed period8 msec ON => slowest25 msec ~ half speed