Technics SX-PC25 - Page 34

SCHEMATIC DIAGRAM-4
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42 41 44 43 46 45 48 47 50 49 52 51 54 53 56 55 58 57 60 59 62 61 64 63 66 65 68 67 70 69 72 71 74 73 76 75 78 77 80 79
VDD
NRSTSG
NRSTCPU
NCS
NRD
NWR
A1
A2
A3
A4
GND
D15
D14
D13
D11
D12
D10
D9
D8
VDD
GND
D7
D6
D5
D4
D3
D2
D1
D0
INTOUT
RXBUSY
MCKIN
GND
TEMODE0
TEMODE1
SCKIN
SCKOUT
RXD
TXD
VDD
GND GND KBD0 KBD1 KBD2 KBD3 KBD4 KF0 KS0 KF1 KS1 KF2 KS2 KF3 KS3 ROMNOE0 ROMNOE1 ROMNOE2 ROMNOE3 ROMAD18 ROMAD19 ROMAD17 ROMAD8 ROMAD7 GND GND ROMAD9 ROMAD6 ROMAD10 ROMAD5 ROMAD11 ROMAD4 ROMAD12 ROMAD3 ROMAD13 ROMAD2 ROMAD14 ROMAD1 GND GND
VDD
ROMAD15
ROMAD0
ROMAD16
ROMDT15
ROMDT0
ROMDT7
ROMDT8
ROMDT14
GND
ROMDT1
ROMDT6
ROMDT9
ROMDT13
ROMDT2
GND GND
PLLBYPAS
AGND
NC
AVDD
NC NC NC
RAMNCE
RAMAD14
RAMNWE
RAMAD12 RAMAD13
RAMAD7 RAMAD8 RAMAD6 RAMAD5 RAMAD9
GND
VDD
RAMAD11
RAMAD4
RAMNOE
RAMAD3
RAMAD10
RAMAD2 RAMAD1 RAMAD0
GND
RAMDT7 RAMDT0 RAMDT6 RAMDT1 RAMDT5
VDD
GND GND
XI
XO
VDD
RAMDT4
RAMDT2
RAMDT3
SDIREV
SDOREV
SDICH0
SDOCH0
SDIDRY
SDODRY
TEMODE3
TEMODE2
GND
DIVOUT
SDOMIX
LRCK
BCK
ROMDT11
ROMDT4
GND
VDD
ROMDT3
ROMDT12
ROMDT10
ROMDT5
IC3
D97315GD201
(DIGITAL SIGNAL PROCESSOR)
+3.3D
C44 0.1P C57 6V47
R75
1M
R46
470
R85
470
X2
11.28MHz
R76
R77 220
330
C45 0.1P C46 0.1P C51 0.1P C52 0.1P C53 0.1P C54 0.1P C55 0.1P C56 0.1P
F
C
E
D
A
L
E
B
C
D
BGAABCKDFJGIHNMO EL H
R78 220
R79 220
R80 220
C75
50V0.47
C74
50V0.47
R83
8.2K
D
M
K
F
C
N
J
G
B
O
I
H
A
P
SA B C D E F GH I J K L M T R I H J G K F L E M D N C O B
P
Q
A
RST
A
C
B
A
P
O
N
M
L
K
J
I
H
G
F
E
D
C
B
A
B
C
D
+5D
C34
0.1P
C35
0.1P
C100
0.1P
C123
0.1P
C122
0.1P
C37
0.1P
+3.3D
C40
0.1P
C41
0.1P
C43
0.1P
R83
3.3K
R81
8.2K
R82
3.3K
3