Logic Board - Canon QY8-1360-000 Service Manual

BJC-7100
8.2 Circuit Diagrams

8.2.1 Logic board

1 2
MPU & MEMORY IC
CRTC
<02-B7>
SPOWON
<04-A10>
LFPWMA
<04-F6>
VHPOW
<05-E4>
VDDHPOW
<03-D5>
ADTRIG
<02-B7>
TEMP
<03-A5>
SENSE
<03-G5>
HRANKBK
<02-E1>
HTEMPDC
<03-D1>
HTEMPLC
<03-C1>
HTEMPBK
<03-B1>
C13 C12 C11
0.1 ,25V 220P,50V 0.1 ,25V
+5V
R128
100,0.1%,1/10W
C17
R127
0.1 ,25V <03-A1>
270,0.1%,1/10W
+5V
C94
<04-F6>
+5V EEPROM
0.1 ,25V
<04-F6>
IC7 <04-F6>
<04-F6>
8 1
VCC CS
7 2
N.C.
SK
6 3
TEST D1
5 4
GND D0 <04-B1>
<04-C1>
S29220AFJA <04-B6>
<04-C6>
R134 R138
+5V
22K,1/16W 22K,1/16W
R1
1M,1/10W
<04-C8>
<04-B8>
OSCILLATOR
+5V
<04-D10>
X1
<03-A5>
<03-B5>
<04-F7>
<04-E7>
<04-E7,02-E1>
CST22.11MXW040
<02-E1>
<02-E1>
+5V
+5V
BZ1
R90
BZ
CD11PA-XZ
1.5K,1/10W
TR5
DTC143ZKA
<02-A8>
BEEPER
<02-E1>
<02-E1>
<02-E1>
<02-A7>
3 4
+5V
C100
0.1 ,25V
C9 C10 C14
0.01 ,50V 0.01 ,50V 0.01 ,50V
C1
0.01 ,50V
HTEMPAMM 1
AN0
2
AVREF
3
+5V AVCC
4
VCC
LFPA 5
TA15
LFPB 6
TA14
LFIA0 7
TA13
LFIA1 8
TA12
9
TA11
10
TA10
11
TA05
12
TA04
CRPA 13
TA03
CRPB 14
TA02
CRAENA 15
TA01
16
CRBENA
TA00
17
OSCVCC
18 MPU
XIN
19
XOUT IC1
20
OSCVSS
21
C3
VSS
M31002S2HP-D1
0.1 ,25V 22
P107
23
P106
24
P105
PES 25
P104
ASFS 26
P103
PGS 27
P102
28
HPS
P101
29
VSS
30
VCC
ID2BK 31
TC0
32
COVER
P157
33
ERRSW
P156
34
POWSW
P155
35
N.C. P154
36
N.C. CS3
37
CS2
CS2
38
CS1
CS1
BK1608HS241 39
FB26 CS0
40
VCC
C4
0.1 ,25V
IFPOWON
FB25
CLKOUT BK1608LM252
FB1
BE BK1608HS431
FB2
BS BK1608HS241
FB3
BK1608HS241
DC
+5V +5V
C5
0.1 ,25V
5 6 7
ID1LC
<03-F5>
ID2LC
<03-E5>
ID1DC
<03-F5>
ID2DC
<03-E5>
INT0
<02-B7>
INT1
<02-A7>
INT2
<02-A7>
VCC
INT3
<02-A7>
ID1AMM
<03-C5>
R6
ID2AMM
<03-B5> 22K,1/16W
ID1BK
<03-B5>
RxD
TxD
RAS2
<02-B1>
RAS1
<02-B1>
POWDN
<02-B1>
RAMWE
<02-G7>
RAS0
<02-F7>
C8 RAMA <9..0>
<02-G7>
0.1 ,25V
RAMD <15..0>
<02-E7>
RAMOE
<02-G7>
+5VL
CASU
<02-F7>
CASL
<02-G7>
120
VCC
119
VSS
118
MOD0
117
MOD1
R264
116
HLDA N.C. 100,1/16W
115
HOLD
HOLD <02-A7>
114
RESET
113
WAKEUP FB100
112 BK1608LM252
BCLK N.C.
111
VCC
110
VSS
109 15
D0
108 14
D1
0.1 ,25V
107 13
D2
106 12
D3
105 11
D4
104
10
D5
103
9
D6
102 8
D7
101
VSS
100
VCC
99 7
D8
C7
98 6
D9 0.1 ,25V
97 5
D10
96
4
D11
95 3
D12
94 2
D13
93 1
+5V
D14
92
0
D15
91
VCC
90
VSS
89 RD
RD FB4 <02-B1>
88 BK1608HS241
BHW
87
BLW
86 BHW
SID0 N.C. <02-B1>
85
SID1 N.C.
84
A6 N.C.
83 BLW
A7 <02-B1>
N.C.
82
A8 N.C.
81
VSS
+5V
16
C6
0.1 ,25V
23
+5V
C97
0.1 ,25V
8 9
LOGIC BOARD 01
16M DRAM (TSOP)
IC5
VRAM
1 50
VCC GND
0 2 49
15
I/O 1 I/O 16
1 3 48 14
I/O 2 I/O 15
4 47
2 13
I/O 3 I/O 14
5 46
3 12
I/O 4 I/O 13
6 45
VCC GND
4 7 44 11
I/O 5 I/O 12
8 43
5 10
I/O 6 I/O 11
9 42
6 9
I/O 7 I/O 10
10 41
7 8
I/O 8 I/O 9
11 40
N.C. N.C.
15 36
N.C. N.C.
16 35
N.C. LCAS
17 34
WE UCAS
18 33
RAS DE
19 32 9
N.C. A9
20 31
8
N.C. A8
0 21 30
7
A0
A7
1 22 29
6
A1 A6
2 23 28 5
A2 A5
24 27
3
A3 A4
25 26
VCC
GND
UPD42S18165LG5
10
16
+5V +5V +5V
IC20
M62781GP
R3
10K,1/16W
2 3
VCC OUT
C99
C85 GND
0.01 ,50V
1
CONTROL ROM (8M)
IC3
19 1 42 20
A18 N.C.
18 2 41 9
A17 A8
8 3 40 10
+5V
A7 A9
7 4 39
11
A6 A10
6 5 38 12
A5 A11
5 6 37 13
A4 A12
+5V +5V
4 7 36 14
A3 A13
8 35
3 15
A2 A14
+5V
C36 R140 9 34
2 16
A1 A15
0.1 ,25V 22K,1/16W
1 10 33
17
A0 A16
11 32
CE VPP
12 31
GND GND
13 30
16
OE D15
0 14 29 7
D0 D7
8 15 28 14
D8 D14
16 27
1 6
D1 D6
9 17 26
13
D9 D13
2 18 25
5
D2 D5
10 19 24
12
D10 D12
20 23
3 4
D3 D4
21 22
11
D11 VCC
LH538P00CD
D BUS <15..0>
A BUS <22..0>
All resistance tolerances which are not marked with "%" are 5%.
Part 5: Maintenance
10
A
B
C
RESET
<02-B1>
D
E
F
<02-A1>
<02-C1>
G
5-47