17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
R
X
W
U
V
T
S
Q
O
P
L
M
N
I
J
K
G
H
F
E
C
D
B
A
R
X
W
U
V
T
S
Q
O
P
L
M
N
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H
F
E
C
D
B
A
Tyros4
Tyrso4
Tyros4
Tyros4 OVERALL CIRCUIT DIAGRAM 1/11 (DM 001)
<Page 3>
MAIN CPU
TRANSCEIVER
FLASH ROM 256M PROGRAM
FLASH ROM 512M DATA
FLASH ROM 64M BACKUP
TRANSCEIVER
TRANSCEIVER
TRANSCEIVER
D-FF
OR
OR
TRANSCEIVER
TRANSCEIVER
DECODER
SYSTEM RESET
REG1.2V
MAIN CPU
AND
AND
INVERTER
INVERTER
OR
AND
AND
OR
OR
OR
INVERTER
INVERTER
INVERTER
to Switching Power Supply Unit - CN2
Not Inatalled
001/6
Note : See parts list for details of circuit board component parts.
WARNING
Components having special characteristics are marked and must be replaced with parts having
specification equal to those originally installed.
28CC1-2001067500-1
MAIN CPU
Summary of Contents for Tyros4
Page 44: ...44 Tyros4 D D 1 28 56 IC23 48P TSOP 29 DM Circuit Board 2NA WT75980 ...
Page 46: ...46 Tyros4 DJACK Circuit Board to DM CN600 E E F F 2NA WT90150 ...
Page 47: ...47 Tyros4 to DM CN3 to DM CN4 E E F F Pattern side Component side 2NA WT90150 ...
Page 50: ...50 Tyros4 PNR Circuit Board H H to PNL CN4 to DM CN901 2NA WT90310 ...
Page 51: ...51 Tyros4 Component side 2NA WT90310 H H ...
Page 52: ...52 Tyros4 PNR Circuit Board I I 2NA WT90310 ...
Page 53: ...53 Tyros4 Pattern side 2NA WT90310 I I to PNC CN2 ...
Page 54: ...54 Tyros4 PNL Circuit Board J J 2NA WT90240 ...
Page 55: ...55 Tyros4 Component side J J to PNR CN2 not installed 2NA WT90240 ...
Page 56: ...56 Tyros4 PNL Circuit Board K K to CK CN91 to LCL CN152 2NA WT90240 ...
Page 57: ...57 Tyros4 Pattern side 2NA WT90240 K K to WHEEL ASSEMBLY to PNLS CN202 ...
Page 62: ...62 Tyros4 MK61L Circuit Board Component side N N N C N N O O O O to MKH D CN4 2NAKZ WD80020 3 ...
Page 63: ...63 Tyros4 MK61L Circuit Board Pattern side P P 2NAKZ WD80020 3 P P Q Q Q Q ...