DOWNLOAD Sharp MX-M264N / MX-M264NR / MX-M264NV / MX-M264U / MX-M314N / MX-M314NR / MX-M314NV / MX-M314U / MX-M354N / MX-M354NR / MX-M354U (serv.man8) Service Manual ↓ Size: 7.53 MB | Pages: 127 in PDF or view online for FREE

Model
MX-M264N MX-M264NR MX-M264NV MX-M264U MX-M314N MX-M314NR MX-M314NV MX-M314U MX-M354N MX-M354NR MX-M354U (serv.man8)
Pages
127
Size
7.53 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / Circuit Diagram (March 2012).
File
mx-m264n-mx-m264nr-mx-m264nv-mx-m264u-mx-m314n-mx-.pdf
Date

Sharp MX-M264N / MX-M264NR / MX-M264NV / MX-M264U / MX-M314N / MX-M314NR / MX-M314NV / MX-M314U / MX-M354N / MX-M354NR / MX-M354U (serv.man8) Service Manual ▷ View online

MX-M264  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  84
CPU analog voltage & Vref voltage circuit /
CPU
ࠕ࠽ࡠࠣ㔚࿶㧒Vref㔚࿶࿁〝
3.3V
GND
CPU_RXD
CPU_TXD
FOR DEBUG (LOG&CONTROL)
DEBUG
ESET
࿁〝
/RES_CPU_IN
CPU_CLK
PLLVCC
/RES_CPU
_D10
_D13
_D12
_D11
_D14
_D9
_D8
_D15
/RES_IOASIC
WR
URD
VCC
_CPU_IN
CLK
TAL
XTAL
/STBY
POF
/CSFROM
/CSSCNASIC
POF
LCD_TEMP
CPU_P91
RY/BY
TXD_MFP
RXD_MFP
INT_TP
AFE_CSTG_CPU
_RXD
AFE_CS_CPU
/CSSRAM
AFE_CSTG_CPU
_TXD
INT_TP
/OC_WAIT
/CPUHWR
AFE_CS_CPU
CPU_RXD
CPU_TXD
/RES_CPU
ER
/RES_IOASIC
/RES_IMGIPD
/RES_SCNASIC
/CPURD
RXD_MFP_DB
RXD_MFP
TXD_MFP_DB
TXD_MFP
RXD_MFP_DB
TXD_MFP_DB
/CSSCNASIC
EXTAL
/OC_WAIT
LCD_TEMP
ER
/RES_CCDAD_CPU
3.3V
Vref
3.3V
ef
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
Vref
3.3V
3.3V
CPUCLK
<5>
SCN_END
<7>
/SCN_START
<7>
AFE_CS
<6>
OCSW
<17>
AFE_CSTG
<6>
PD3
<16>
REFCLK
<7>
/OC_WAIT
<7>
WP_CPU
<4>
L_A5V
<6>
POF
<13>
T_CPU
<14>
<14>
<14>
WS
<15,16>
+3.3Vin
<15>
SPPD3
<16>
PPD1
<16>
<14>
REF_A
<12>
SPPD4
<16>
SPPD2
<16>
<12>
EPROMSCL
<4>
PROMSDA
<4>
RY/BY
<4>
/CSSRAM
<4>
/CSFROM
<4,5>
/CPU_HWR
<4,5>
/CPU_RD
<4,5>
/RES_SCN
<13>
/RES_ROM
<4>
JTAG_TRST
<7,10>
/RES_SCNASIC
<7>
/RES_IMGIPD
<10>
/RES_IOASIC
<5>
hRES_CCDAD
<6>
A_TP
<4>
L_TP
<4>
_SEL1G
<5>
_SEL0G
<5>
TXD_MFP
<13>
RXD_MFP
<13>
L_A3.3V
<6>
/CSSCNASIC
<7>
INT_TP
<14>
BZR_LV
<15>
_TONE
<15>
SC_TEMP
<14>
STSLED
<2>
C11
10uF(2012)
C11
10uF(2012)
R58
10KJ
R58
10KJ
R56
10KJ
R56
10KJ
R88
1.2KJ
R88
1.2KJ
C17
100pF
C17
100pF
C31
0.01uF
C31
0.01uF
R55
10KJ
R55
10KJ
R84
10KJ
R84
10KJ
C15
0.1uF
C15
0.1uF
10K
47K
Q8
KRC407
10K
47K
Q8
KRC407
C
E
B
C23
NM_15pF
C23
NM_15pF
R163
NM_10KF
R163
NM_10KF
R90
10KJ
R90
10KJ
R75
0J
R75
0J
TP284
TP284
TP562
TP562
R198
NM_10KJ
R198
NM_10KJ
TP209
TP209
TP608
TP608
R65
33J
R65
33J
R85
10KJ
R85
10KJ
R46
0J
R46
0J
R54
100J
R54
100J
R83
10KJ
R83
10KJ
R197
620KJ
R197
620KJ
10K
47K
Q51
KRC407
10K
47K
Q51
KRC407
C
E
B
TP164
TP164
10K
47K
Q10
KRC407
10K
47K
Q10
KRC407
C
E
B
R66
33J
R66
33J
C16
NM_10uF(2012)
C16
NM_10uF(2012)
C19
0.1uF
C19
0.1uF
10K
47K
Q11
KRC407
10K
47K
Q11
KRC407
C
E
B
R70
10KJ
R70
10KJ
R52
0J
R52
0J
R80
47J
R80
47J
R201
1KF
R201
1KF
C20
1000pF
C20
1000pF
R63
10KJ
R63
10KJ
TP165
TP165
R64
10KJ
R64
10KJ
C12
0.1uF
C12
0.1uF
R57
10KJ
R57
10KJ
R89
NM_0J
R89
NM_0J
TP609
TP609
R87
0J
R87
0J
R67
10KJ
R67
10KJ
C18
100pF
C18
100pF
C237
0.1uF
C237
0.1uF
R86
1.2KJ
R86
1.2KJ
R410
0J
R410
0J
R409
0J
R409
0J
R91
1.2KJ
R91
1.2KJ
10K
47K
Q9
KRC407
10K
47K
Q9
KRC407
C
E
B
R94
10KJ
R94
10KJ
IC4
BD45271G-TR
IC4
BD45271G-TR
ER
1
SUB
2
VDD
5
GND
3
VOUT
4
CN2
BM06B-GHS-TBT
CN2
BM06B-GHS-TBT
1
2
3
4
5
6
C22
1000pF
C22
1000pF
TP163
TP163
R434
0J
R434
0J
1
8
2
7
R51
10KJ
R51
10KJ
C29
0.1uF
C29
0.1uF
C319
47pF
C319
47pF
C14
1000pF
C14
1000pF
R79
NM_10KJ
R79
NM_10KJ
TP162
TP162
R53
100J
R53
100J
4
3
2
1
2/16 (3)
C
D
E
C
D
E
MX-M264  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  85
FlashROM circuit (SOCKET TYPE) / FlashROM
࿁〝(SOCKET TYPE)
FlashROM circuit (MOUNT TYPE) / FlashROM
࿁〝(MOUNT TYPE)
AD20
AD1
AD12
DA9
DA1
DA7
DA15
AD19
DA14
DA5
AD8
AD3
DA3
DA6
DA0
AD9
AD14
DA2
DA14
DA7
DA13
AD2
AD17
DA8
DA4
AD13
AD16
AD4
DA10
DA2
DA0
DA8
AD5
DA11
AD6
AD7
DA5
DA12
DA3
DA15
DA6
DA9
AD11
AD15
DA12
Vpp_MFP
DA13
AD18
DA11
AD10
DA10
DA1
DA4
/WP
/WP_IN
RY/BY
AD1
AD17
DA15
DA14
Vpp_MFP
DA7
DA6
DA5
DA13
DA4
DA11
/WP_IN
DA3
DA0
DA9
DA8
DA1
DA2
AD14
AD15
AD16
AD18
AD13
AD12
AD11
AD9
AD8
AD6
AD5
AD10
AD2
AD4
AD7
AD19
DA12
DA10
AD3
/CSFROM_M_IN
/WP
/CSFROM_IN
AD20
/DIMM_EN
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
/CPU_HWR
<3,5>
/CPU_RD
<3,5>
AD[20:0]
<3,5,7,10>
DA[15:0]
<3,5,7,10>
RY/BY
<3>
/RES_ROM
<3>
/CSFROM
<3,5>
/WP
<5>
/CPU_RD
<3,5>
/CPU_HWR
<3,5>
/RES_ROM
<3>
DA[15:0]
<3,5,7,10>
AD[20:0]
<3,5,7,10>
IC
T
IC
T
TP685
TP685
R117
NM_10KJ
R117
NM_10KJ
TP123
TP123
C42
1000PF
C42
1000PF
2
1
R118
NM_33J
R118
NM_33J
R98
100J
R98
100J
C43
0.1uF
C43
0.1uF
C35
0.1uF
C35
0.1uF
R95
10KJ
R95
10KJ
R100
0J
R100
0J
IC
T
IC
T
R1
0
4
1.2KJ
R1
0
4
1.2KJ
SOCKET1
DMM2-SD72AR-1131-F(DDK)
SOCKET1
DMM2-SD72AR-1131-F(DDK)
D15/A-1
12
A0
13
A1
14
A2
15
A3
16
A4
17
A5
18
A6
28
A7
31
A8
32
A10
33
A11
34
A9
29
A12
36
A13
65
A14
66
A15
67
A16
68
A17
69
A18
70
A19
71
NC
11
/RP
19
/1CE
40
A20
41
/2CE
42
NC
43
/OE
44
RY/BY
45
/WP
46
/WE
47
/BYTE
48
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
D8
21
D9
22
D10
23
D11
24
D12
25
D13
26
D14
27
D15
35
D16
37
D17
38
D18
49
D19
50
D20
51
D21
52
D22
53
D23
54
D24
56
D25
57
D26
58
D27
60
D28
59
D29
62
D30
63
D31
64
Vcc
10
GND
30
Vcc
61
Vss
1
Vss
20
Vss
72
VPP
55
Vss
39
R430
NM_0J
R430
NM_0J
R1
0
3
NM
_1.2KJ
R1
0
3
NM
_1.2KJ
C37
0.1uF
C37
0.1uF
TP683
TP683
IC7
MX29LV800CBTI-70G
IC7
MX29LV800CBTI-70G
A0
25
A1
24
A2
23
A3
22
A4
21
A5
20
A6
19
A7
18
A8
8
A9
7
A10
6
A11
5
A12
4
A13
3
A14
2
A15
1
A16
48
A17
17
DQ0
29
DQ1
31
DQ2
33
DQ3
35
DQ4
38
DQ5
40
DQ6
42
DQ7
44
DQ8
30
DQ9
32
DQ10
34
DQ11
36
DQ12
39
DQ13
41
DQ14
43
DQ15
45
NC
9
NC
10
NC
16
GND
46
GND
27
VCC
37
VPP
13
BYTE
47
OE
28
CE
26
WE
11
RP
12
WP
14
RY/BY
15
R116
10KJ
R116
10KJ
TP619
TP619
R93
10KJ
R93
10KJ
TP202
TP202
C40
0.1uF
C40
0.1uF
R129
100J
R129
100J
TP287
TP287
C39
1000pF
C39
1000pF
R119
NM_33J
R119
NM_33J
TP200
TP200
4
3
2
1
SCNcnt PWB (CPU MEMORY section)
A
B
C
A
B
C
MX-M264  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  86
EEPROM circuit / EEPROM
࿁〝
SRAM circuit / SRAM
࿁〝
SCL
SDA
AD13
DA8
AD10
AD6
AD0
AD8
AD1
AD12
AD7
AD11
DA9
AD15
DA11
DA10
AD2
DA12
AD9
DA15
DA13
AD4
AD14
DA14
AD16
AD5
AD3
Vpp_MFP
/CSSRAM_D
SCL
SDA
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
/CSSRAM
<3>
/CPU_HWR
<3,5>
/CPU_RD
<3,5>
AD[20:0]
<3,5,7,10>
DA[15:0]
<3,5,7,10>
/FWP_CPU
<3>
/FWP_IOASIC
<5>
EEPROMSDA
<3>
EEPROMSCL
<3>
SCL_TP
<3>
SDA_TP
<3>
SCL_TP_d
<14>
SDA_TP_d
<14>
DIMM_EN
<5>
/CSFROM
<3,5>
/CSFROM_M
<3>
/CSFROM_G
<5>
/CSFROM_M
<3>
IC5B
TC74LCX08FT<TSSOP14>
IC5B
TC74LCX08FT<TSSOP14>
4
5
6
TP684
TP684
TP173
TP173
23
23
R432
10KJ
R432
10KJ
IC26D
TC74VHC14FT<TSSOP14>
IC26D
TC74VHC14FT<TSSOP14>
9
8
TP180
TP180
J
J
R96
1MJ
R96
1MJ
TP167
TP167
R109
2KJ
R109
2KJ
TP616
TP616
C36
0.1uF
C36
0.1uF
R115
NM_0J
R115
NM_0J
R69
2KJ
R69
2KJ
R120
150J
R120
150J
R108
22J
R108
22J
R99
1KJ
R99
1KJ
TP174
TP174
BR21 22JX4
BR21 22JX4
1
8
2
7
3
6
4
5
R438
100J
R438
100J
TP175
TP175
C47
0.1uF
C47
0.1uF
R106
2KJ
R106
2KJ
TP172
TP172
R111
NM_0J
R111
NM_0J
IC5C
TC74LCX08FT<TSSOP14>
IC5C
TC74LCX08FT<TSSOP14>
9
10
8
R419
22J
R419
22J
Q12
SSM3J05FU<SC-70>
Q12
SSM3J05FU<SC-70>
TP176
TP176
C41
0.1uF
C41
0.1uF
IC8
cy7c1018dv33
IC8
cy7c1018dv33
I/O0
6
A0
1
I/O1
7
A1
2
I/O2
10
A2
3
I/O3
11
A3
4
I/O4
22
A4
13
I/O5
23
A5
14
I/O6
26
A6
15
I/O7
27
A7
16
A8
17
A9
18
A10
19
A11
20
A12
21
A13
29
A14
30
CS1
5
OE
28
WE
12
VDD
8
GND
9
VDD
24
A15
31
A16
32
GND
25
TP170
TP170
TP177
TP177
TP87
TP87
R107
10KJ
R107
10KJ
R101
100J
R101
100J
R416
NM_0J
R416
NM_0J
R439
100J
R439
100J
R113
22J
R113
22J
TP178
TP178
TP169
TP169
TP75
TP75
R417
22J
R417
22J
R418
NM_0J
R418
NM_0J
C38
0.1uF
C38
0.1uF
IC5A
TC74LCX08FT<TSSOP14>
IC5A
TC74LCX08FT<TSSOP14>
1
2
3
14
7
R440
100J
R440
100J
TP179
TP179
BR20 22JX4
BR20 22JX4
1
8
2
7
3
6
4
5
TP72
TP72
TP615
TP615
R97
47KJ
R97
47KJ
TP168
TP168
R102
10KJ
R102
10KJ
10K
47K
Q13
KRC407
10K
47K
Q13
KRC407
C
E
B
R71
2KJ
R71
2KJ
C48
0.1uF
C48
0.1uF
P287
P287
R92
NM_0J
R92
NM_0J
IC6
32kEEPROM on MY02-0830-2L(Socket)
IC6
32kEEPROM on MY02-0830-2L(Socket)
E0
1
E1
2
E2
3
VSS
4
SDA
5
SCL
6
WC
7
VCC
8
J
J
4
3
2
1
3/16 (4)
C
D
E
C
D
E
MX-M264  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  87
IO ASIC
38pin
51pin
14pin
1pin
25pin
75pin
85pin
IO_ASIC39
IO_ASIC35
IO_P36
IO_P37
/RES_IOASIC_D
/RES_IOASIC_D
IO_ASIC35
IO_P36
IO_P37
IO_ASIC39
IO_P45
/CSIOASIC_D
IO_P44
/CSIOASIC_D
DA15_IO
DA15_IO
DA14_IO
DA14_IO
DA13_IO
DA13_IO
DA12_IO
DA12_IO
DA10_IO
DA8_IO
DA11_IO
DA9_IO
DA11_IO
DA10_IO
DA9_IO
DA8_IO
IO_P43
IO_P44
IO_P45
IO_P43
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
3.3V
CPUCLK
<3>
/CPU_RD
<3,4>
/CPU_HWR
<3,4>
AD4
<3,4,7,10>
AD3
<3,4,7,10>
AD2
<3,4,7,10>
AD1
<3,4,7,10>
AD0
<3,4,7,10>
/RES_IOASIC
<3>
DA8
<3,4,7,10>
DA9
<3,4,7,10>
DA10
<3,4,7,10>
DA11
<3,4,7,10>
DA12
<3,4,7,10>
DA13
<3,4,7,10>
DA14
<3,4,7,10>
DA15
<3,4,7,10>
/SCANUP
<11>
CTS_DSPF
<11>
CTS_MFP
<13>
nPNC-a
<17>
A_AUD
<17>
A_READY
<17>
OC_BUS_SELECT
<11>
RTS_MFP
<13>
F1
F0
/SEG0
F2
/SEG1
F3
/SEG2
Xon
Yon
_SPFMO1
_SPFMO2
MS1
MS2
_SPMO1
_SRRC
_STMPS
RTS_DSP
/RES_EXT
/WP
SIZE_LED
SIZE_LED
/PDSEL1
/PDSEL0
/PDSEL2
DIR
_SPRS
_SRRS
A_CA
/FWP_IO
A_PNC
A_COP
_SELC
_SELB
_SSELO
_SELA
/CSIOASIC
<3>
PCU_Req
<13>
hHOME_L
col
SC_ack
<13>
PLLSTBY
DIMM_EN
<4>
hHOME_KEY
<15>
TP201
TP201
TP226
TP226
R1
2
7
1.2KJ
_
V
R1
2
7
1.2KJ
_
V
TP564
TP564
TP234
TP234
C49
1000pF
C49
1000pF
TP213
TP213
TP660
TP660
TP211
TP211
TP228
TP228
TP654
TP654
R1
99
NM_
1
.2
KJ
R1
99
NM_
1
.2
KJ
R1
9
6
NM_
1
.2
KJ
R1
9
6
NM_
1
.2
KJ
TP193
TP193
TP238
TP238
TP194
TP194
TP248
TP248
TP239
TP239
TP199
TP199
TP192
TP192
TP656
TP656
R
135
1.2KJ
R
135
1.2KJ
TP221
TP221
TP204
TP204
TP247
TP247
TP207
TP207
TP229
TP229
R1
2
8
1.2KJ
R1
2
8
1.2KJ
TP240
TP240
C58
0.1uF
C58
0.1uF
C59
0.1uF
C59
0.1uF
TP241
TP241
BR64
22JX4
BR64
22JX4
1
8
2
7
3
6
4
5
IC10
SC65892(IO ASIC)<LQFP100>
IC10
SC65892(IO ASIC)<LQFP100>
VDD
1
PHICLK
2
gnd
3
XCE0(PU50K)
4
CE1(PU50K)
5
XOE(PU50K)
6
XWR(PU50K)
7
A4(PU50K)
8
A3(PU50K)
9
A2(PU50K)
10
A1(PU50K)
11
A0(PU50K)
12
XRST(Sch)
13
vdd
14
D7(PU50K)
15
D6(PU50K)
16
SMC(SCAN)(PD50K)
17
SIN(SCAN)(PD50K)
18
SOUT(SCAN)
19
AMC(SCAN)(PD50K)
20
SCK(SCAN)
21
D5(PU50K)
22
D4(PU50K)
23
D3(PU50K)
24
VDD
25
GND
26
D2(PU50K)
27
D1(PU50K)
28
D0(PU50K)
29
PORTA7(PD50K)(5VFS)
30
PORTA6(PD50K)(5VFS)
31
PORTA5(PD50K)(5VFS)
32
PORTA4(PD50K)(5VFS)
33
PORTA3(PD50K)(5VFS)
34
PORTA2(PD50K)(5VFS)
35
PORTA1(PD50K)(5VFS)
36
PORTA0(PD50K)(5VFS)
37
vdd
38
PORTB7(PD50K)(5VFS)
39
PORTB6(PD50K)(5VFS)
40
PORTB5(PD50K)(5VFS)
41
PORTB4(PD50K)(5VFS)
42
PORTB3(PD50K)(5VFS)
43
PORTB2(PD50K)(5VFS)
44
PORTB1(PD50K)(5VFS)
45
PORTB0(PD50K)(5VFS)
46
PORTC7(PD50K)
47
PORTC6(PD50K)
48
PORTC5(PD50K)
49
GND
50
VDD
51
PORTC4(PD50K)
52
PORTC3(PD50K)
53
PORTC2(PD50K)
54
PORTC1(PD50K)
55
PORTC0(PD50K)
56
gnd
57
PORTD7(PD50K)
58
PORTD6(PD50K)
59
PORTD5(PD50K)
60
PORTD4(PD50K)
61
PORTD3(PD50K)
62
PORTD2(PD50K)
63
PORTD1(PD50K)
64
PORTD0(PD50K)
65
gnd
66
PORTE7(PD50K)
67
PORTE6(PD50K)
68
PORTE5(PD50K)
69
PORTE4(PD50K)
70
PORTE3(PD50K)
71
PORTE2(PD50K)
72
PORTE1(PD50K)
73
PORTE0(PD50K)
74
VDD
75
GND
76
PORTF7(PD50K)
77
PORTF6(PD50K)
78
PORTF5(PD50K)
79
PORTF4(PD50K)
80
PORTF3(PD50K)
81
PORTF2(PD50K)
82
PORTF1(PD50K)
83
PORTF0(PD50K)
84
vdd
85
PORTG7(PD50K)
86
PORTG6(PD50K)
87
PORTG5(PD50K)
88
PORTG4(PD50K)
89
PORTG3(PD50K)
90
PORTG2(PD50K)
91
PORTG1(PD50K)
92
PORTG0(PD50K)
93
XCE_EXT
94
gnd
95
SELA(OD,5VFS)
96
SELB(OD,5VFS)
97
SELC(OD,5VFS)
98
YIN(PD50K)(5VFS)
99
GND
100
TP218
TP218
TP191
TP191
R
131
1.2KJ
R
131
1.2KJ
TP249
TP249
TP214
TP214
TP181
TP181
TP232
TP232
TP210
TP210
TP233
TP233
TP244
TP244
C60
0.1uF
C60
0.1uF
TP225
TP225
C55
0.1uF
C55
0.1uF
TP186
TP186
TP203
TP203
TP182
TP182
TP227
TP227
TP561
TP561
R1
3
2
NM
_1.2KJ
_
VL
R1
3
2
NM
_1.2KJ
_
VL
TP655
TP655
TP184
TP184
R
130
NM
_1.2KJ
R
130
NM
_1.2KJ
TP653
TP653
TP187
TP187
TP245
TP245
R121
330J
R121
330J
TP206
TP206
TP219
TP219
TP236
TP236
R2
0
0
NM_
1
.2
KJ
R2
0
0
NM_
1
.2
KJ
TP659
TP659
TP237
TP237
TP212
TP212
R1
3
3
NM
_1.2KJ
R1
3
3
NM
_1.2KJ
TP657
TP657
TP230
TP230
C54
0.1uF
C54
0.1uF
C57
0.1uF
C57
0.1uF
R122
33J
R122
33J
TP222
TP222
TP185
TP185
TP216
TP216
TP188
TP188
TP190
TP190
TP183
TP183
TP658
TP658
BR65
22JX4
BR65
22JX4
1
8
2
7
3
6
4
5
TP189
TP189
TP235
TP235
R
136
NM_1.2KJ
R
136
NM_1.2KJ
TP208
TP208
TP224
TP224
TP531
TP531
TP205
TP205
TP231
TP231
TP220
TP220
TP242
TP242
TP223
TP223
C56
0.1uF
C56
0.1uF
4
3
2
1
SCNcnt PWB (I/O ASIC & BUS BUFFER section)
A
B
C
A
B
C
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