Service manual

ER-A242U CIRCUIT DIAGRAM AND PWB LAYOUT
– 16 –
Vcc:20pin GND:10pin
Vcc:14pin GND:7pin
NOT INSTALL
NOT INSTA LL
Vcc:14pin GND:7pin
SII
CG ROM
"H":BOOT ON
150pF*10(C45-C54)
100pF*4(C16-C19)
150pF*8(C20-C27)
100pF*8(C28-C 35)
201UC/AC RH-IX201 5BHZZ
201VCTQ/BCTQ/VCKB RH-I X2016BHZZ
201VCKA VHI30624 FGA-1 201S VHI30624F GA-1
NOT INSTALL (ONLY FOR 201S)
202V4/6/7
202U/A
FLASH R OM
NOT INSTALL
NOT INSTALL
NOT INSTALL
ONLY FOR 201S
202U/A 202V4/6/7
202U/V VHI30624 FGA-1
a b c d e f g dp
/CS0
/RD
D7
D5 D1
D1
D2
D4
D4
D2 D3
D7 D0
D3
D5 D4
D[0..7]
D0
D2
D6
D0 D1
D6
D5
D7
D[0..7]
D3
D6
A14 A4
A15
A2
A16
A19
A5 A6
A13
FSD
A[0..19]
A8 A4
A2
A17 A5 A15 A1
A9
A12 A10
FRD
A[0..19]
A8
A12
A6 A9 A3
A0 A1
A10
A7
A0
A11
A14 A16 A11
FSCK
A7
A3
A13
/FRDY
BUSY
/FRES
/CS3
CLK
P74
P90 P91 P92
VPON
P101 P100
P97
A6
MOTOR /POFF
D0 D1 D2 D3 D4 D5 D6 D7
c d e f g dp
A19
/STB2
/LAT
a b
VBAT
D[0..7]
A[0..19]
DR2
KST2 KST1 KST0
/RESET
/CS0
/RD
/RDY
/RESET
/WR /RD
/CS2
CGBANK
BCLK
/CS0
/RD
CGBANK
IN1
P67
ENA2
A3
DR1
KST3
IN2
BCLK
ENA1
A5 A7
/CS2 /RD
A16 A9
/RDY
A12
P76
P64
A11
P95
P66
P75
/WR
P77
A17
/CS0
A13
DAT
A0
A8
P94
A4 A1
P93 P96
A15
/STB1
A14
A2
A10
VDD
VCC
VCC
VDD
VDD
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VDD
VCC
VCC
VCC
VDD
VCC
VCC
VDD
VCC
VCC VDD
R81
47K
R59 47K
C66 0.1uF
C49
R25 10K
R52 100
+
C107
4.7UF/16V
C31
R31 10K
R26 10K
R67
10K
R32 10K
R84 47K
R37
10K
C26
TP2
C35
R89
10K
C56 30pF
R51 100
IC11B
74F74
12 11
9 8
1013
D CLK
Q Q
PRCL
C50C45
R36 10K
IC9
LP621024D-T 70ns
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
NC A16 A14 A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 VSS
I/O3 I/O4 I/O5 I/O6
T/O7
CS1
A10
OE
A11
A9 A8
A13
WE
CS2
A15
VCC
R27 10K
C51
R90
10K
C30
+
C67
10uF/50V
C29
R56
3.3K
R68
10K
R63
10K
R38
10K
C108
91pF
C60 0.1uF
C27
C70
150pF
R39
10K
C52
R50 100
C19
R22 10K
R44
10K
X2
CST12.0MTW
2
3
1
R54
240
R49 100
IC6
KIA431A
K
A
R
C57
100pF
R57
820
C34
C46
R28 10K
C37
100pF
C28
R53 100
R88
10K
IC5 M30624
81
80
82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
100
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
D7
D8
D6 D5 D4 D3 D2 D1 D0 AN7 AN6 AN5 AN4 AN3 AN2 AN1 AVSS AN0 VREF AVCC SIN4
SOUT4
CLK4
TB4IN
TB3IN
SOUT3
SIN3
CLK3
BYTE
CNVSS
XCIN
XCOUT
RESET
XOUT
VSS
XIN
VCC
NMI
INT2
INT1
INT0
TA4IN/U
TA4OUT/U
TB3IN
TBEOUT
TA2INW
TA2OUTW
TA1IN/V
TA1OUT/V
TB5IN
TB5OUT
D9
D10
D11
D12
D13
D14
D15
A0
A1
A2
A3
A4
A5
A6
A7
VSS
A8
VCC
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
CS0 CS1 CS2 CS3
WR
BHE
RD
CBCLK
HLDA
HOLD
ALE
CLKOUT
RTS0
CLK0
RXD0
TXD0
CLKS1
CLK1
RXD1
TXD1
R77 10K
R40
10K
+
C42
10uF/10V,OS
C68
30pF
IC11A
74F74
2 3
5 6
41
D CLK
Q Q
PRCL
R48 100
R21 10K
C21
R91
3.3K
C53
IC15
S-80928ANMP
2 3 15
4
VDD VSS OUT CD
NC
R82 47K
R69
10K
R64
10K
R78 47K
C47
R29 10K
C20
C33
C61 0.1uF
R33 10K
C36
1000pF
R87 10K
R76 10K
R47 100
X3
CST12.0MTW
2
3 1
R41
10K
R75 10K
R73
10K
R34 10K
C63
0.1uF
IC10A 74F32
1 2
3
C22
IC7 FS781
1 2 3 45
6 7 8
XIN XOUT S1 LF
VSS
FSOUT
S0
VDD
C54
R70
10K
R80 47K
C16
R45
10K
C62
220pF
C48
R83 47K
B
+
BZ
PIEZO BZ
C32
TP1
R23 10K
R65
10K
+
C64
10uF/10V,OS
C44
27pF
+
C58
XE-A201 : 10uF/10V,OS
C69 30pF
IC12 LH5388WS(CGROM)
15 17 19 21 24 26 28 30 16 18 20 22 25 27 29
23 11 10 9 8 7 6 5 4 42 41 40 39 38 37 36 35 34 3 2
13 14 12
43 32
31
1
44 33
D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14
VCC
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9
A10 A11 A12 A13 A14 A15 A16 A17 A18
VSS OE/OE CE/CE
A19
VSS
D15/A-1 NC NC BHE
R58
100K
R61
0
R60
330
X1
32.768KHz
R46 100
R74 10K
C43
18pF
R42
10K
C55
150pF
C23
SP1
SHORTPIN
C24
R71
10K
R79 10k
R86
470
C41 0.1uF
R24 10K
R30 10K
C40
330pF
IC8 74HC374
3 4 7 8
13 14 17 18
1
11
2 5 6 9 12 15 16 19
D0 D1 D2 D3 D4 D5 D6 D7 OC CLK
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
C59
0.1uF
R66
10K
C17
R62 33
R55
47K
C18
R43
10K
C25
C39
100pF
R85
10K
R35 10K
C38
2200pF
C65 0.1uF
R72
10K
XE-A202 : 10uF/16V,AL
A B
C D
87654
3
21
12345678
D C
B A A
B
C D
87654
3
21
12345678
D C
B A A
B
C D
87654
3
21
12345678
D C
B A A
B
C D
87654
3
21
12345678
D C
B A
1/4
1. MAIN PWB CIRCUIT
CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT