Service manual

SD-EX200
– 50 –
IC701 RH-iX0557AWZZ: System Microcomputer (IX0557AW)
Figure 50 BLOCK DIAGRAM OF IC
1 PA5/AN5
2 PA4/AN4
3 PA3/AN3
4 PA2/AN2
5 PA1/AN1
6 PA0/AN0
7
P97/BUZ02/
AN15
8
P96/PWM0/
AN14
9
P95/RTP0/
AN13
10
P94/RTP1/
AN12
11
P93/SRDY3/
AN11
12
P92/SCLK3/
AN10
13
P91/SOUT3
/AN9
14
P90/SIN3/
AN8
15
P83/CNTR0/
CNTR2
16 P82/CNTR1
17 CNVSS
18 RESET
19 P81/XCOUT
20 P80/XCIN
21 VSS
22 XIN
23 XOUT
24 VCC
25
P77/INT4/
BUZ01
26 P76/T3OUT
27 P75/T1OUT
28 P74/PWM1
29
P73/INT3/
DIMOUT
30 P72/INT2
KEY2
KEY3
TUN SM
(DAC DATA)
(DAC CLOCK)
PROTECT
MOT LOCK
O/C SW
H/P SW
FAN
-
LOCK
FAN
-
CHK
POWER
-
LEVEL 1
POWER
-
LEVEL 2
+B CHK
S MUTE
TIMER STBY
CNVSS
VPP(FLASH)
RESET
SP RELAY
POWER
VSS
VSS(FLASH)
XIN
XOUT
VCC
VCC(FLASH)
NO USE
CD FUNC
DIG FUNC
A/D RESET
NO USE
RX-IN
80 DIG 9
79 SEG 1
78 SEG 2
77 SEG 3
76 SEG 4
75 SEG 5
74 SEG 6
73 SEG 7
72 SEG 8
71 SEG 9
70 SEG 10
69 SEG 11
68 SEG 12
67 SEG 13
66 SEG 14
65 SEG 15
64 SEG 16
63 SEG 17
62 SEG 18
61 SEG 19
60 SEG 20
59 SEG 21
58 SEG 22
57
SEG 23
OE(FLASH)
56 SEG 24
55 NO USE
54 NO USE
53 NO USE
52 NO USE
51 NO USE
P00/FLD8
P01/FLD9
P02/FLD10
P03/FLD11
P04/FLD12
P05/FLD13
P06/FLD14
P07/FLD15
P10/FLD16
P11/FLD17
P12/FLD18
P13/FLD19
P14/FLD20
P15/FLD21
P16/FLD22
P17/FLD23
P30/FLD24
P31/FLD25
P32/FLD26
P33/FLD27
P34/FLD28
P35/FLD29
P36/FLD30
P37/FLD31
P40/FLD32
P41/FLD33
P42/FLD34
P43/FLD35
P44/FLD36
P45/FLD37
31
SYS STOP P71/INT1
32
OFFSET P70/INT0
33
CD RESET
BUSY(FLASH)
P67/SRDY2/ SCLK22/FLD55
34
CD CLK
SLCK(FLASH)
P66/SCLK21/ FLD54
35
CD DI
P65/TXD/ FLD53
36
CD CE
SDA(FLASH)
P64/RXD/ FLD52
37
CD DO P63/FLD51
38
CD DRF P62/FLD50
39
CD WRQ P61/FLD49
40
CE P60/FLD48
41
CLK P57/FLD47
42
DI P56/FLD46
43
DO P55/FLD45
44
EQ CONT P54/FLD44
45
40V RELAY P53/FLD43
46
NO USE P52/FLD42
47
NO USE P51/FLD41
48
NO USE P50/FLD40
49
NO USE P47/FLD39
50
NO USE P46/FLD38
PA6/AN6 KEY1
99
PA7/AN7 INI
98
VREF VREF
97
AVSS AVSS
96
PB0/SCLK12/
SVIN/DA
ILU
-
LED
95
PB1/SRDY1 SURROUND
94
PB2/SBUSY1 (DAC ML)
93
PB3/SSTB1 RDS
-
RDY
92
PB4/SCLK11 RDS
-
CLK
91
PB5/SOUT1 RDS
-
DATA
90
PB6/SIN1 RDS
-
RST
89
VEE VEE
88
P20/FLD0 DIG 1
87
P21/FLD1 DIG 2
86
P22/FLD2 DIG 3
85
P23/FLD3 DIG 4
84
P24/FLD4 DIG 5
83
P25/FLD5 DIG 6
82
P26/FLD6 DIG 7
81
P27/FLD7 DIG 8
IX0557AW
100