Sharp AR-C170 (serv.man6) Service Manual ▷ View online
AR-C170M PCU PWB 3 - 5
4
4
3
3
2
2
1
1
D
C
B
A
2/9
CPU-D4
CPU-D14
CPU-D2
CPU-D1
CPU-D1
CPU-D8
CPU-D7
CPU-D6
CPU-D7
CPU-D6
CPU-D15
CPU-D10
CPU-D11
CPU-D5
CPU-D3
CPU-D12
CPU-D13
CPU-D0
CPU-D9
D13
D15
D11
D12
D10
D14
D9
D6
D2
D8
D6
D1
D2
D5
D9
D14
D11
D7
D10
D7
D4
D8
D13
D0
D4
D15
D12
D3
D3
D1
D0
D5
RESET_REQUEST\
NMI\
RES\
MSWOFF\
+3.3V
+3.3V
+3.3V
+5V
+3.3V
+5V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V_CPU_CORE
+3.3V
PSFM_PWMOUT
<8>
RY/BY\_FROM
<3>
TES_Y
<1,6>
TES_M
<1,6>
TES_C
<1,6>
TES_K
<1,6>
PRTC_PWMOUT
<8>
DSR_PCU(OUT)
<8>
DTR_PCU(IN)
<8>
MINIOP_RS(CPU)
<3>
MAINPR
<8>
RESET_I/OASIC\
<4>
D[15..0]
<3,4,7>
RES_PCU(IN)
<8>
TXD_PCU(IN)
<8>
RXD_PCU(OUT)
<8>
RSV_DAT(CPU)\
<8>
WU(CPU)\
<1,3>
SCK(CPU)\
<8>
TRNS_DAT(CPU)\
<8>
MSWMON
<1>
CS_IO2\
<7>
RES_FROM\
<3>
SCL_I2C
WP_I2C
<4>
SDA_I2C
SDA_I2C
OPENDRAIN
11K-10K : 2.63V Detect
10K-10K : 2.50V Detect
10K-10K : 2.50V Detect
BYPASSCap.
R97
0J
0J
R97
0J
0J
+
C48
10uF/35V
+
C48
10uF/35V
C105
1uF(1608)
R
216
2K
J
R
216
2K
J
3
4
IC38B
74VHC14(+3.3V/GND2)
IC38B
74VHC14(+3.3V/GND2)
R69
100J
100J
5
4
6
3
7
2
8
1
BR20
33JX4
BR20
33JX4
+ C60
3300uF/6.3V
+ C60
3300uF/6.3V
1
8
2
7
3
6
4
5
BR17
10KJX4
BR17
10KJX4
R175
10KJ
10KJ
R175
10KJ
10KJ
C
141
0.1uF
C
141
0.1uF
ADJ/GND
1
OUTPUT
2
INPUT
3
IC21
RC1117S33T(SOT-223)
RC1117S33T(SOT-223)
IC21
RC1117S33T(SOT-223)
RC1117S33T(SOT-223)
C109
0.1uF
0.1uF
C109
0.1uF
0.1uF
R223
100J
100J
R223
100J
100J
1
2
IC38A
74VHC14(+3.3V/GND2)
IC38A
74VHC14(+3.3V/GND2)
C62
0.1uF
0.1uF
C62
0.1uF
0.1uF
R76
33J
33J
R76
33J
33J
A
K
D12
1SS355
D12
1SS355
R
217
2K
J
R
217
2K
J
1
8
2
7
3
6
4
5
BR46
10KJX4
BR46
10KJX4
C65
0.1uF
0.1uF
C65
0.1uF
0.1uF
C112
0.1uF
0.1uF
C112
0.1uF
0.1uF
5
4
6
3
7
2
8
1
BR16
33JX4
BR16
33JX4
R172
100J
100J
R172
100J
100J
3
4
IC18B
74VHC14(+3.3V/GND2)
R
215
nm_0J
R
215
nm_0J
R
218
nm_2K
J
R
218
nm_2K
J
C142
nm_1uF(1608)
C108
1000pF
1000pF
C108
1000pF
1000pF
C46
0.1uF
0.1uF
C46
0.1uF
0.1uF
0
59
8
49
0
40
1
60
1
41
0
61
1
62
2
42
9
50
3
43
0
63
4
45
5
46
0
51
6
47
1
64
7
48
1
52
2
54
3
55
4
56
5
57
C
39
S
44
S
53
V
58
R208
4.7KJ
R208
4.7KJ
+
C40
10uF/35V
+
C40
10uF/35V
+
C44
1000uF/10V
1000uF/10V
+
C44
1000uF/10V
1000uF/10V
A
K
SK
D24
MA3X704A
SK
D24
MA3X704A
R174
4.7KJ
4.7KJ
C143
0.1uF
0.1uF
C143
0.1uF
0.1uF
A0
1
A1
2
GN
D
4
SDA
5
SCL
6
WP
7
VCC
8
A2
3
IC37
CAT24WC256
IC37
CAT24WC256
A
K
SK
D14
RA13
RA13
SK
D14
RA13
RA13
+
C68
10uF/35V
10uF/35V
+
C68
10uF/35V
10uF/35V
1
8
2
7
3
6
4
5
BR24
10KJX4
BR24
10KJX4
C
E
B
10K
47K
C49
0.1uF
0.1uF
C49
0.1uF
0.1uF
L1
BLM18AG221(1608)
L1
5
4
6
3
7
2
8
1
BR23
33JX4
BR23
33JX4
R83
4.7KJ
4.7KJ
R83
4.7KJ
4.7KJ
R221
33J
R221
33J
C144
1000pF
1000pF
C144
1000pF
1000pF
R219
33J
R219
33J
NC
8
VCC
7
Cd
5
OUT
6
BFP
BFP
R96
nm_110F
nm_110F
R96
nm_110F
nm_110F
C30
0.1uF
0.1uF
C30
0.1uF
0.1uF
R220
47KJ
47KJ
R220
47KJ
47KJ
R222
4.7KJ
4.7KJ
R222
4.7KJ
4.7KJ
C57
0.1uF
0.1uF
C57
0.1uF
0.1uF
5
4
6
3
7
2
8
1
BR47
33JX4
BR47
33JX4
NC
8
GND
4
VCC
7
NC
1
IN
2
NC
3
Cd
5
OUT
6
IC34
M51957BFP
1
8
2
7
3
6
4
5
BR21
10KJX4
BR21
10KJX4
R170
10KJ
10KJ
R170
10KJ
10KJ
R176
4.7KJ
4.7KJ
R176
4.7KJ
4.7KJ
+
C
140
100uF
/6.3V
+
C
140
100uF
/6.3V
+
C41
nm_100uF/6.3V
+
C41
nm_100uF/6.3V
R87
4.7KJ
R87
4.7KJ
1
2
IC18A
74VHC14(+3.3V/GND2)
C43
0.1uF
0.1uF
C43
0.1uF
0.1uF
C
E
B
10K
47K
10K
47K
Q59
DTC114YUA
DTC114YUA
AR-C170M PCU PWB 3 - 6
8
8
7
7
6
6
5
5
D
C
B
A
PCU PWB (SRAM, EEPROM, Flash Memory, Mini-OP Section)
LWR\
CSELSRAM
A3
A13
A1
A5
A12
A13
A14
A9
D10
HWR\
A3
A6
D14
D9
D2
D8
A14
A12
D3
A8
A11
D12
A12
A13
A10
D1
A2
A2
A8
D12
RD\
A2
D4
D11
D15
HWR\
D0
D5
D7
D15
A7
A14
D14
A9
A11
A7
A1
D11
A8
D8
A0
A1
A5
D13
RD\
A9
A11
A7
D10
A15
A5
D9
A15
D6
A4
RD\
A3
A6
A10
A4
D13
A6
A10
A4
DATA_OP7
DATA_OP6
DATA_OP5
DATA_OP4
DATA_OP3
DATA_OP2
DATA_OP1
DATA_OP0
DATA_OP6
DATA_OP5
DATA_OP4
DATA_OP3
DATA_OP2
DATA_OP1
DATA_OP0
+3.3V
+3.3V
+3.3V
+3.3V
+5V
+3.3V
+5V
D[15..0]
<2,4,7>
A[20..0]
<2,4>
HWR\ <2,4,7>
RD\
RD\
<2,4>
LWR\
<2>
CS_EEPROM\
<2>
CS_SRAM\
<2>
RES_FROM\
<2>
RD\
<2,4>
HWR\
<2,4,7>
WP_FROM\
<4>
RY/BY\_FROM
<2>
CS_FROM1\
<2>
KEY6
<1>
KEY4
<1>
WU_PCU\
<1,2>
KEY1
<1>
KEY5
<1>
KEY3
<1>
KEY2
<1>
DATA_OP[7..0]
<4>
VPP_MON\
<4>
Type
3.3V
5.0V
3.3V
5.0V
EXIS
suppo
3.3V-
suppo
3.3V-
OPEN DRAIN
GND-LOOPSW
From
Mini-OP
Mini-OP
Not Mouted ( except : Printer only m
Not Mouted ( except : Printer only model )
Not Mouted ( except : Printer o
Not Mouted ( AR-C170M only )
R
257
47K
J
R
257
47K
J
R44
4.7KJ
R44
4.7KJ
A2
C81
0.1uF
C81
0.1uF
11
10
IC29E
nm_74VHCT14(+5V/GND2)
IC29E
nm_74VHCT14(+5V/GND2)
1
2
IC29A
nm_74VHCT14(+5V/GND2)
IC29A
nm_74VHCT14(+5V/GND2)
C
9
8
n
m_1000pF
C
9
8
n
m_1000pF
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1G
1
2G
19
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
VCC
20
GND
10
IC30
nm_74VHCT244
IC30
nm_74VHCT244
R
162
nm_4.7K
J
R
162
nm_4.7K
J
1
8
2
7
3
6
4
5
B
R
52
47K
JX
4
B
R
52
47K
JX
4
R95
nm_33J
R95
nm_33J
R48
nm_4.7KJ
R48
nm_4.7KJ
C59
0.1uF
0.1uF
C59
0.1uF
0.1uF
13
12
IC29F
nm_74VHCT14(+5V/GND2)
IC29F
nm_74VHCT14(+5V/GND2)
nm_DAN202U
A14
1
A12
2
A0
10
A1
9
A2
8
A4
6
A5
5
A6
4
A7
3
I/O0
11
I/O1
12
I/O2
13
I/O3
15
I/O4
16
I/O5
17
I/O6
18
I/O7
19
GND
14
CE
20
A10
21
OE
22
A11
23
A9
24
A8
25
A13
26
WE
27
A3
7
VCC
28
IC25
IS61LV256(SOJ)
IC25
IS61LV256(SOJ)
R143
33J
R143
33J
3
4
IC29B
nm_74VHCT14(+5V/GND2)
IC29B
nm_74VHCT14(+5V/GND2)
C
9
3
n
m_1000pF
C
9
3
n
m_1000pF
C102
nm_0.1uF
nm_0.1uF
C102
nm_0.1uF
nm_0.1uF
R
158
nm_4.7K
J
R
158
nm_4.7K
J
R154
nm_1KJ
R154
nm_1KJ
C70
nm_0.1uF
C70
nm_0.1uF
R47
10KJ
R47
10KJ
K
A1
A2
A14
1
A12
2
A0
10
A1
9
A2
8
A4
6
A5
5
A6
4
A7
3
I/O0
11
I/O1
12
I/O2
13
I/O3
15
I/O4
16
I/O5
17
I/O6
18
I/O7
19
GND
14
CE
20
A10
21
OE
22
A11
23
A9
24
A8
25
A13
26
WE
27
A3
7
VCC
28
IC24
IS61LV256(SOJ)
IC24
IS61LV256(SOJ)
R
258
47K
J
R
258
47K
J
5
6
IC29C
nm_74VHCT14(+5V/GND2)
IC29C
nm_74VHCT14(+5V/GND2)
C
9
4
n
m_1000pF
C
9
4
n
m_1000pF
R50
33J
R50
33J
C
9
9
n
m_1000pF
C
9
9
n
m_1000pF
R161
nm_1KJ
R161
nm_1KJ
R46
0J
R46
0J
K
A1
A2
RDY/Busy
1
A12
2
A0
10
A1
9
A2
8
A4
6
A5
5
A6
4
A7
3
I/O0
11
I/O1
12
I/O2
13
I/O3
15
I/O4
16
I/O5
17
I/O6
18
I/O7
19
Vss
14
CE
20
A10
21
OE
22
A11
23
A9
24
A8
25
NC
26
WE
27
A3
7
Vcc
28
IC22
nm_HN58V65AP
IC22
nm_HN58V65AP
9
8
IC29D
nm_74VHCT14(+5V/GND2)
IC29D
nm_74VHCT14(+5V/GND2)
C
9
2
n
m_1000pF
C
9
2
n
m_1000pF
1
8
2
7
3
6
4
5
BR34
nm_1KJX4
BR34
nm_1KJX4
C
100
nm_1000pF
C
100
nm_1000pF
1
8
2
7
3
6
4
5
B
R
33
nm_4.7K
JX
4
B
R
33
nm_4.7K
JX
4
nm_DAN202U
WORD MODE -> BUS = [LOWER TYPE : UPPER BITY]
Q18
Q17
AR-C170M PCU PWB 3 - 7
4
4
3
3
2
2
1
1
D
C
B
A
3/9
A19
A20
A20
A10
D3
A5
A1
D11
A16
D4
A4
D14
D8
D7
D1
D0
A7
A6
D15
A18
D2
D9
A15
A9
A11
D6
A2
D13
A17
A8
A3
D10
D12
A13
D5
A14
A12
Vpp
+3.3V
+3.3V
+3.3V
+5V
+5V
+5V
+3.3V
+3.3V
+3.3V
+3.3V
ROM\
RD\
D[15..0]
<2,4,7>
A[20..0]
<2,4>
HWR\
WU(CPU)\
<1,2>
KEY1IN
<4>
KEY2IN
<4>
KEY3IN
<4>
KEY4IN
<4>
KEY5IN
<4>
KEY6IN
<4>
MINIOP_EN(IO)\
<4>
MINIOP_D6
<1>
MINIOP_D4
<1>
MINIOP_D5
<1>
MINIOP_D7
<1>
MINIOP_D3
<1>
MINIOP_D2
<1>
MINIOP_D0
<1>
MINIOP_D1
<1>
MINIOP_EN
<1>
MINIOP_RS
<1>
MINIOP_RS(CPU)
<2>
LED1\
<1>
WEN_FLASH
SILK
1
Protect
2
Writable
3
<1>
LED2\
<1>
LED2(IO)
<4>
LED3(IO)
<4>
LED3\
<1>
LED1(IO)
<4>
Type 30PIN 72PIN
3.3V LOW NC(High-Z)
5.0V HIGH LOW
3.3V LOW NC(High-Z)
5.0V HIGH LOW
EXIST DIMM DETECTis
supported
supported
for
3.3V-FLASH Card
To CPU
For IC29:74VHCT14(+5V/GND2)
BYPASS Cap.
DIODE must be placed
near
the FLASH-DIMM
Write Current 40mA need
nly model )
Not Mouted ( except : Printer only model )
Not Mouted ( except : Printer only model )
Not Mouted ( except : Printer only model )
ter only model )
Mouted ( AR-C170M only )
11
10
IC38E
74VHC14(+3.3V/GND2)
IC38E
74VHC14(+3.3V/GND2)
1
8
2
7
3
6
4
5
BR18
nm_1KJX4
BR18
nm_1KJX4
5
6
IC31C
nm_74VHCT14(+5V/GND2)
IC31C
nm_74VHCT14(+5V/GND2)
K
A1
A2
Q30
2SJ243
Q30
2SJ243
1
8
2
7
3
6
4
5
BR7
100JX4
BR7
100JX4
1
8
2
7
3
6
4
5
BR25
nm_1KJX4
BR25
nm_1KJX4
3
4
IC31B
nm_74VHCT14(+5V/GND2)
IC31B
nm_74VHCT14(+5V/GND2)
5
6
IC38C
74VHC14(+3.3V/GND2)
IC38C
74VHC14(+3.3V/GND2)
R120
nm_1KJ
R120
nm_1KJ
18
16
14
12
9
7
5
3
16
14
12
9
7
5
3
R115
nm_1KJ
R115
nm_1KJ
C
E
B
10K
47K
10K
47K
C103
nm_0.1uF
C103
nm_0.1uF
1
2
3
JP1
nm_T3B-SQ
JP1
nm_T3B-SQ
C
E
B
10K
47K
10K
47K
R210
1KJ
R210
1KJ
R105
nm_1KJ
R105
nm_1KJ
C145
0.1uF
C145
0.1uF
C16
0.1uF
0.1uF
C16
0.1uF
0.1uF
C101
nm_0.1uF
C101
nm_0.1uF
11
10
IC31E
nm_74VHCT14(+5V/GND2)
IC31E
nm_74VHCT14(+5V/GND2)
R100
nm_1KJ
R100
nm_1KJ
C
E
B
10K
47K
10K
47K
9
8
IC31D
nm_74VHCT14(+5V/GND2)
IC31D
nm_74VHCT14(+5V/GND2)
R148
4.7KJ
R148
4.7KJ
R164
nm_100J
R164
nm_100J
R224
47KJ
R224
47KJ
R45
4.7KJ
R45
4.7KJ
13
12
IC31F
nm_74VHCT14(+5V/GND2)
IC31F
nm_74VHCT14(+5V/GND2)
1
8
2
7
3
6
4
5
BR22
nm_1KJX4
BR22
nm_1KJX4
C39
0.1uF
C39
0.1uF
13
12
IC38F
74VHC14(+3.3V/GND2)
IC38F
74VHC14(+3.3V/GND2)
1
2
IC31A
nm_74VHCT14(+5V/GND2)
IC31A
nm_74VHCT14(+5V/GND2)
1
2
D6
LT1F67AF
D6
LT1F67AF
C
E
B
10K
47K
10K
47K
R209
1KJ
R209
1KJ
R49
4.7KJ
4.7KJ
R49
4.7KJ
4.7KJ
9
8
IC38D
74VHC14(+3.3V/GND2)
IC38D
74VHC14(+3.3V/GND2)
VSS1
1
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
VCC
10
NC
11
A0
13
A1
14
A2
15
A3
16
A4
17
A5
18
A6
28
RP
19
VSS1
20
D8
21
D9
22
D10
23
D11
24
D12
25
D13
26
D14
27
A7
31
A10
33
NC
30
A8
32
A9
29
A11
34
A12
36
D15
35
A13
65
D16
37
D17
38
VSS1
39
1CE1L
40
A20
41
2CE1L
42
NC
43
OE
44
RY/BY
45
WP
46
WE
47
BYTE
48
D18
49
D19
50
D20
51
D21
52
D22
53
D23
54
VCCW
55
D24
56
D25
57
D26
58
D28
59
D27
60
VCC
61
D29
62
D30
63
D31
64
A14
66
A15
67
A16
68
A17
69
A18
70
A19
71
D15
12
VSS
72
SOCKET1
FLASH LV CONNECTOR
SOCKET1
FLASH LV CONNECTOR
R163
nm_100J
R163
nm_100J
02U
nm_DAN202U
Q44
nm_DTC114YUA
nm_DTC114YUA
TY]
Q19
Q41
nm_DTC114YUA
Q42
nm_DTC114YUA
Q44
nm_DTC114YUA
AR-C170M PCU PWB 3 - 8
8
8
7
7
6
6
5
5
D
C
B
A
PCU PWB (I/O Gate Array Section)
A7
A2
A0
Ver_detect
A6
IOASIC-CS
A1
A8
A5
IOASIC-PAI
A4
A3
A3
DATA_OP7
DATA_OP6
DATA_OP5
DATA_OP4
DATA_OP3
DATA_OP2
DATA_OP1
DATA_OP0
D10
D12
D13
D15
D14
D14
D8
D11
D9
+3.3V(I/OASIC)
+3.3V
+3.3V
+3.3V
A[20..0]
<2,3>
PMC0B
<9>
PMCINT
<2>
nPMC2B
<9>
nPMC1B
<9>
RD\
<2,3>
nPMC2A
<9>
PMC0A
<9>
PMC2A
<9>
nPMC1A
<9>
nPMC0A
<9>
HWR\
<2,3,7>
RESET_I/OASIC\
<2>
PMC1A
<9>
PMC1B
<9>
nPMC0B
<9>
PMC2B
<9>
BFUSE_CUT
<8>
FFUSE_CUT
<8>
CRUM_K_CLK
<7>
CRUM_C_CLK
<7>
CRUM_M_CLK
<7>
CRUM_Y_CLK
<7>
CRUM_K_DATA
<7>
CRUM_C_DATA
<7>
CRUM_M_DATA
<7>
CRUM_Y_DATA
<7>
RES_FIN\(IO)
<7>
RES_DESK\(IO)
<7>
RES_LCC\(IO)
<7>
PCALS
<8>
GAIN0
<5>
GAIN2
<5>
GAIN3
<5>
OSMCHin\
<1,8>
HPOS\(IO)
<8>
DMY_ACT(IO)\
<9>
DMC_ACT(IO)\
<9>
DMM_ACT(IO)\
<9>
GAIN1
<5>
D[15..0]
<2,3,7>
MCON1\
<9>
POD2(IO)
<6>
POD1(IO)
<6>
GSS
<8>
HLPR(IO)
<6>
DATA_OP[7..0]
<3>
MINIOP_EN(IO)\
<3>
DL_COLOR(IO)
<7>
DL_BLACK(IO)
<7>
CS_IOASIC\
<2>
WP_FROM\
<3>
CV_ACTIVE\
<7>
CRUM_POWON\
<7>
VPP_MON\
<3>
HVREM\(IO)
<8>
CPU_CLOCK
<2>
MODE
<1>
TFD(IO)
<6>
<To IREQ0>
See Motor Section
DC LINE FILTERING
CRUM I/F
"L" -> MC ON
"L" -> CV ACT
NOTICE : OPEN DRAIN
must pull up & High-Z(=H) among reset
must pull up & High-Z(=H) among reset
R193
33J
R193
33J
R192
100KJ
R192
100KJ
R227
1KJ
R227
1KJ
R249
47KJ
47KJ
R249
47KJ
47KJ
C111
0.1uF
C111
0.1uF
L2
BLM18AG221(1608)
L2
BLM18AG221(1608)
R188
33J
R188
33J
C114
0.1uF
C114
0.1uF
C115
0.1uF
C115
0.1uF
R190
nm_47KJ
nm_47KJ
R190
nm_47KJ
nm_47KJ
+
C110
100uF/6.3V
+
C110
100uF/6.3V
R228
47KJ
47KJ
R228
47KJ
47KJ
R191
33J
R191
33J
C120
1000pF
C120
1000pF
GN
D
1
GN
D
2
nPM
C
0
B
3
EN
A0A
4
SM
C
5
SI
N
6
INT
7
EN
A0B
8
PM
C
0
C
L
K
9
PM
C
1
A
10
PM
C
2
A
17
18
nPM
C
1
A
11
PM
C
1
B
12
nPM
C
1
B
13
EN
A1A
14
GN
D
180
GN
D
179
P
O
RTH2
178
P
O
RTH1
177
P
O
RTH0
176
POR
T
G7
175
POR
T
G6
174
POR
T
G5
173
POR
T
G4
172
GN
D
171
POR
T
G3
170
POR
T
G2
169
POR
T
G1
168
POR
T
G0
167
P
O
RTF7
166
P
O
RTF6
165
P
O
RTF5
164
163
VDD
181
PORTH3
182
PORTH4
183
PORTH5
184
PORTH6
185
PORTH7
186
PORTI0
187
PORTI1
188
GND
189
PORTI2
190
PORTI3
191
GND
192
PORTI4
193
PORTI5
194
GND
195
PORTI6
196
PORTI7
197
PORTJ0
198
PORTJ1
199
PORTJ2
202
GND
200
VDD
201
PORTJ3
203
PORTJ4
204
PORTJ5
205
PORTJ6
206
PORTJ7
207
NECTEST0
208
NECTEST1
209
NECTEST2
210
D7
211
D6
212
D5
213
D4
214
GND
215
D3
216
D2
217
D1
218
D0
219
VDD
220
GND
221
CPU_CLK
222
A8
223
A7
224
A6
225
A5
226
A4
227
A3
228
A2
229
A1
230
A0
231
nCS
232
nWR
233
nRD
234
nRESET
235
PMC0A
236
nPMC0A
237
PMC0B
238
AMC
239
VDD
240
PM
C
1
C
L
K
16
EN
A1B
15
uP
uP
C118
0.1uF
C118
0.1uF
Click on the first or last page to see other AR-C170 (serv.man6) service manuals if exist.