14
14
RM-AX4000
RM-AX4000
4-3. SCHEMATIC DIAGRAM – MAIN BOARD –
✩
IC1 (SYSTEM CONTROLLER) can not be replaced individually.
Replace it with MAIN board assembly for service.
•
See page 11 for Waveforms.
•
See page 11 for IC Block Diagram.
RECEIVED
INFRARED
RAYS
TP1
TJK14
TP3
TP76
Q4
C21
TAP3
TPF7
TPF6
TP6
TP7
TP9
TP4
J11
J12
J13
J18
J29
J31
J33
J41
J42
R1
R12
R27
R46
R2
R3
R44
R9
R40
R28
R29
R30
R31
R37
R38
R45
R41
R52
R53
R54
R55
R56
R57
R42
R43
R727
R733
R60
C4
C1
TP10
D20
J70
R735
J14
D2
R11
BZ1
R34
X2
J51
J52
D1
R723
R724
R725
R726
R26
Q12
D40
R47
Q10
Q9
C2
C3
IC3
J69
R50
C5
R51
R48
LED5
C26
C24
C25
Q15
IC6
Q8
Q7
R05
Q6
C725
IC2A
C726
C722
C728
C727
C723
C721
C720
C724
C37
C36
C12
D21
D22
D23
D24
C9
R4
X1
C13
R15
R16
R17
R18
R19
LED3
LED4
R36
R35
Q14
Q13
C18
C19
C7
C8
C10
R61
C20
LED2
LED1
R49
R730
C729
R737
R14
CN1
R32
J5
C23
R39
C22
R741
X702
IC1
CN3
5P
IC4
FB1
FB2
FB3
CN6
CN2
5V
GND
2SA1037AKT146Q
16V
FLSO
FLSI
RST
47K
47K
47K
1K
47K
47K
47K
47K
47K
100k
100k
100k
100k
100
0
47k
1k
22k
10
10
10
10
470
470
470
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
2.2M
68k
10k
1.5k
4.7k
16V
16V
FLMD0
MAZT082H08S0
560
0
47K
MAZW068H0LS0
4.7k
BUZZER
470k
32.768KHz
39K
39K
UDZSTE-176.2B
22
2.2
22
2.2
47k
BC857CWT1G
1SS400
1k
BC857CWT1G
BC857CWT1G
IC XC6201P502PR
10K
470k
100k
1M
DIODE SID307BR
2SC2712
L-TE85L
TC74VHCU04FT
(EL)
DTC114TUA
-T106
DTC114TUA
-T106
100k
DTC115EUA
-T106
12p 50V
IC USBN9604-28MX
NOPB
1000p
1000p
16V
1000p
1000p
1000p
1000p
1SS400TE-61
1SS400TE-61
1SS400TE-61
1SS400TE-61
10k
20MHz
10k
4.7k
2.2k
1k
220
SID1K10CM
SID1K10CM
10
10
2SD999
-T1-CLCK
2SD999
-T1-CLCK
50V
22p 50V
22p 50V
4.7k
16V
DIODE
SID307BR
DIODE
SID307BR
470k
10k
12p 50V
1M
100k
17P
470k
0
4700p
10k
220p
50V
4.7k
OSC
24MHz
(T)-UBT-A
XC61CN3802NR
16P
4P
TJ8
TJT1
TJT2
TJT3
TJT4
TJ7
TJ6
TJ5
TJ10
TJ9
TJ11
TJL1
TJL2
TJL3
TJL4
TJT5
TJL6
TJL7
TJL8
TJL9
TJL10
TJL11
TJL12
TJL13
TJL14
TJL15
TJL16
TJL17
TJ3
TJ2
TJ4
TJ1
TJK15
TJK13
TJK12
TJK11
TJK10
TJK9
TJK8
TJK7
TJK6
TJK5
TJK4
TJK3
TJK2
TJK1