Technics SX-PX552, Service Manual

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160 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121
VDD
NRSTSG
NRSTCPU
NCS
NWR
NRD
A1
A2
A3
A4
GND
D15
D14
D13
D12
D11
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
PLLBYP
AS
A
GND
NC
A
VDD
NC NC NC
RAMNCE
RAMAD14
RAMNWE
RAMAD12 RAMAD13
RAMAD7 RAMAD8 RAMAD6 RAMAD9 RAMAD5
GND
VDD
RAMAD11
RAMAD4
RAMNOE
RAMAD3
RAMAD10
RAMAD2 RAMAD1 RAMAD0
GND
RAMDT7 RAMDT0 RAMDT6 RAMDT1 RAMDT5
VDD
XO
XI
GND GND
VDD
RAMDT2
RAMDT4
RAMDT3
SDIREV
SDOREV
SDICH0
SDOCH0
SDIDRY
SDODRY
TEMODE3
TEMODE2
GND
DIVOUT
SDOMIX
LRCK
BCK
ROMDT11
ROMDT4
GND
VDD
ROMDT3
ROMDT12
ROMDT10
ROMDT5
ROMDT2
ROMDT13
ROMDT9
ROMDT6
ROMDT1
GND
ROMDT14
ROMDT8
ROMDT7
ROMDT0
ROMDT15
ROMAD16
ROMAD0
ROMAD15
VDD
GND GND KBD0 KBD1 KBD2 KBD3 KBD4 KF0 KS0 KF1 KS1 KF2 KS2 KF3 KS3 R
OMNOE0
R
OMNOE1
R
OMNOE2
R
OMNOE3
R
OMAD18
R
OMAD19
R
OMAD17
R
OMAD8
R
OMAD7
GND GND R
OMAD9
R
OMAD6
R
OMAD10
R
OMAD5
R
OMAD11
R
OMAD4
R
OMAD12
R
OMAD3
R
OMAD13
R
OMAD2
R
OMAD14
R
OMAD1
GND GND
B A
H
G
F
E
D
C
P
O
N
M
A
B
B
C
C
D
L
K
J
I
B
A
+5D
R48
R50
220
R51
220
R52
220
R53
220
10K 10K
R49
H A G B F O M
A B C
N H I G J F L D K C B A E
C
E
D
A
B
C
D
R55
680
R54
470
R56
470
R57
Z21
Z20
Z19
Z18
Z17
C40
C41 0.1
0.1
2.2K
470x4
470x4
470x4
470x4
470x4
470x4
470x4
Z16
Z15
Z14
Z13
470x4 Z12
470x4
470x4
L
E
D
M
K
F
C
N
J
G
B
O
I
H
A
P
Q
A
P
B
H J G K F S T R I
E A B C D
E A B C D H F G
A B C D
L E M D N C O
C48 0.1
C39
0.1 C38
0.1 C37
0.1 C36
0.1
+3.3
R47
1K
C45 0.1
IC10
D97315GD201
(TONE GENERATOR LSI)
TG CLOCK 2