Canon BJC-820 Service Manual page 93

Part 5: REFERENCE
3.2 Circuit Diagrams
8
0.1U,25V
R3
1MA,1/16
1
check
CP338
R1
2 1
220,1/16
C16 C17
12P,50V 10P,50V
BK1005HS241
BK1005HS241
BK1005HS241
FB33
check
CLK25M 1 2
<02-A7> FB
BK1005HS601
2
7 6
CP296
1
TH check
<05-A5>
C76
0.1U,25V
1
N0
2
AVREF
3
C1
AVCC
EEP_CS 4
<01-C2> P107/TB41
EEP_SK 5
<01-C2> P106/TB40
EEP_WD
6
<01-C2> P105/TB31
EEP_RD
7
<01-C2>
P104/TB30
COV_SW 8
<06-C5>
P103/TB21
9
P102/TB20
CSCR
10
<05-C5> P101
RECOV_SW 11
<06-B3> P100
BZ 12
<01-E3> P137/TB11
DHE
13
<05-C5> P136/TB10
PLLON 14
<02-A6>
P135/TB01
POWDOWNX 15
<02-A6>
P134/TB00
16
VCC1
1
CP200
17
check XIN
1
CP201
18
check
XOUT
19
VSS1
1
CP342
M_SETUP 20
<04-D3> check
P153/_CS3
FB16
CS_IOX 21
1 2
<02-A6> FB
P152/_CS2
FB17
CS_RAMX 22
1 2
<02-A6> FB
P151/_CS1
FB18
CS_ROMX 1 2 23
<02-A6> FB P150/_CS0
24
CLKOUT
1 1
CP204
CP202
1 25
check
J1 BE
FB19
BSX
1 2 26
<02-A7>
FB BS
1
FB20
CP205
RWX 27
1 2
<02-A7> FB check
P87/_RW
FB21
DCX 28
1 2
<02-A7> FB
DC
ABUS1 29
BK1005HS241
A30
30
BK1005HS241
VCC2
BK1005HS241
5 4
1
CP211
1
check
RXD0
check
1
CP210
check 1
TXD0
check
<01-C7>
1
VCC0
check
1
GND0
check
80
VCC5
79
TEST
78
RESETIX
<02-D8>
RESET
77 POW_SW
P86/_WAKEUP <06-B3>
76
D0
75
D1
74
D2
73
D3
72
D4
71
D5
70
D6
69
D7
68
VSS4
67
IC1
VCC4
66
M31003S6FP
D8
65
D9
64
D10
63
D11
62
D12
61
D13
60
D14
59
D15
FB22
58
1
RD FB
FB23
57 1
BHW FB
FB24
56 1
BLW FB
1
55 1
CP208 CP320
A8
check
check
54
1
CP207
A9
check
53
ABUS21
A10
52
ABUS20
A11
51
VSS3
+5V
3 2
LOGIC BOARD 01
+5V
+5V
1
BZ1
C64
BZ
PKM13EPY-4000
0.1U,25V
2
CP7
1
check C65
Q1 0.1U,25V
BZ 3
DTC143ZKA
DBUS[15:0]
<02-F3>
<03-B5>
DBUS15
DBUS14
DBUS13
IC9
DBUS12
DBUS11 1 8
NC1 NC2
CP212
DBUS10 2 7
1
VCC GND
3 6
DBUS9 EEP_CS check
<01-D7> CS DO
EEP_SK 4 5
DBUS8
SK DI
<01-D7>
S-93C56AFJ
EEP_WD
<01-D7>
DBUS7
EEP_RD
<01-D7>
DBUS6
1
DBUS5 check
CP213
DBUS4
DBUS3
DBUS2
DBUS1
DBUS0
BK1005HS241
RDX
2
<02-C8>
BK1005HS241
2 BHWX
<02-C8>
BK1005HS241
2 BLWX
<02-C8>
1
CP206
check
+5V
+5V
IC11
M62720GP
R4
10K,1/16
C68
0.1U,25V
1
check
C68
CP8
1000P,50V
ABUS[21:0]
<02-A8>
<03-B7>
BJC-8200
1
F
C66
0.1U,25V
C67
0.1U,25V
E
+5V
D
C2
0.1U,25V
C
B
RESETIX
<02-D8>
A
5-21