HP (Hewlett-Packard) CE903A#BGJ All in One Printer User Manual


 
CPU/ASIC diagrams
Figure 2-10 CPU diagram
CD1-3
J
J
check
check
check
A
432
C
B
D
E
F
765 1
J5P
J5P
J5P
VDD
VOUTMR
VSS
CD
J4P
J4P
J4P
J4P
J5P
J5P
check
check
J
VCC
WP
SCL
SDAGND
A2
A1
A0
check
check
FB
check
J1P
CHG
(A504)
(A503)
(A504)
(A505)
(A505)
(A504)
(A504)
(A504)
(A504)
(A504)
(A504)
(A504)
(A504)
(A504)
(A504)
(A504)
(A504)
(A503)
(A503)
(A503)
(A504)
(A504)
(A504)
(A504)
(A504)
(A504)
(A504)
(A504)
Check Pad
Check Pin
ON
OFF
CPU
<< M-CPU Writer >>
<< IOT >>
N.C.
+24B: Shutdowned by interlock SW
+24A: always alive
EEPROM
ON
ON
<< CPU >>
DEVSL
(ASIC-11p)
(ASIC-12p)
(ASIC-13p)
(ASIC-14p)
(ASIC-15p)
(ASIC-16p)
(ASIC-17p)
(ASIC-18p)
(ASIC-19p)
(ASIC-20p)
6: FSR
2: ASIC
(ASIC-21p)
(ASIC-22p)
5: FSR, LVT, DUP , OPT, ENV
<< Function Check >>
(A505)
(A505)
(A504)
(A506)
(A505)
(A505)
(A503)
(A504)
(A505)
(A505)
(A505)
(A503)
(A503)
(A503)
(A505)
(A505)
(A504)
(A503)
(A504)
(ASIC-6p)
(ASIC-8p)
(A505)
(A504)
(A505)
(ASIC-23p)
(ASIC-26p)
(A504)
(A504)
<< TEST PRINT SW >>
Sleep OFFStand-by
ON
OFF
+3.3VA
+3.3VB
(A505)
(A504)
(A504)
RESET IC
4: DRIVER PCA, SENSOR
3: VIF, LSR, SCN, HVT,TG
1: CPU
1: CPU
+3.3VA
+3.3VA
1
J2
LC-2-G-WHT/NOTMNT
1
CP1
12
0.1U,25V
C13
WAKEVC
RBLSGAIN0
CCRT
REGIMA
REGIMB
RLD
TESTPRT
RBLSGAIN1
RDSGAIN1
RDSGAIN0
ITBLLED
21
NF101
21
R3
3.3K,0.1W
VCTRLOFF
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC1
1
CP8
1
CP3
+24VA
FSRPRSS
RDOORS
OPTPS
P81
P80
REGIMI1B
12
100,0.063W
R198
REGIMI0A
ZEROX
REGIMI0B
REGIMI1A
FEEDMI0A
PWRSWON
FEEDMA
FEEDMB
FEEDMI1A
FEEDMI0B
12
100,0.063W
R9
FEEDMI1B
12
100,0.063W
R199
REGS
12
100,0.063W
R34
RSLED
21
R8
100,0.063W
RSCPR
24ALIVE
8
7
6
54
3
2
1
IC4
R1EX24004ASAS0A
P80
P81
FDOORS
MODE0
ALE
2
1
JNT1
12
100,0.063W
R59
+3.3VA
2
1
C74
100P,50V/NOTMNT
21
C69
100P,50V/NOTMNT
12
100,0.063W
R50
21
R65
100,0.063W
21
R48
100,0.063W
12
100,0.063W
R49
RDSLED
12
0,1A
R13
12
0,1A
R215
21
R56
100,0.063W
ASICRST
OPTPKSL
12
100,0.063W
R46
21
R10
430,0.1W
21
C522
0.1U,25V
21
2.7K,0.1W
R531
1
CP7
+3.3VA
+3.3VA
+3.3VA
21
R4
150,0.1W/NOTMNT
12
X501
12
22P,50V
C3
1
CP12
21
R29
33,0.063W
21
R27
33,0.063W
2
1
C10
0.1U,25V/NOTMNT
2
1
C11
0.1U,25V
21
C12
0.1U,25V
21
R28
33,0.063W
2
1
R25
1K,0.063W
21
C9
0.1U,25V
2
1
C7
0.1U,25V
2
J111
1
J111
21
R11
47K,0.063W
4
J110
3
J110
2
J110
1
J110
21
R32
1K,0.063W
21
R31
1K,0.063W
3
21
DA2
DAN217U/NOTMNT
3
21
DA1
DAN217U/NOTMNT
12
10K,0.063W
R30
5
43
2
1
IC7
NJU7704F29A-@-#ZZZB
21
R26
1K,0.063W
21
R6
47K,0.063W
21
R19
1K,0.063W
21
R18
1K,0.063W
21
R17
1K,0.063W
21
R16
1K,0.063W
12
1K,0.063W
R14
WR
RD
TCK
MODE2
MODE0
IOTR
IOTT
3
J111
4
J111
5
J111
1
CP4
1
CP5
1
CP6
12
22P,50V
C4
+3.3VA
+3.3VA
+3.3VA
21
R530
2.7K,0.1W
+3.3VA
21
R35
3.3K,0.1W
21
0.01U,50V
C106
12
24K,0.1W
R54
+3.3VA
21
R1
1K,0.063W
21
47K,0.063W
R12
FCT
21
100,0.063W
R21
DUPFANON
2
1
JNT3
PREGS
TCK
B1 A1
D1 C1
SW1
KSHS636AT
21
R305
10K,0.063W
12
10K,0.063W
R304
12
3.3K,0.063W
R60
PLLENBL
21
R69
100,0.063W
12
3.3K,0.063W
R195
12
100,0.063W
R22
21
R63
100,0.063W
12
100,0.063W
R62
12
100,0.063W
R64
C8
0.1U,25V
ADB0
ADB1
ADB2
ADB3
ADB4
ADB5
ADB6
ADB7
ADB8
ADB9
PFULLS
RESET
WAKEENG
FSRD
RDSCPR
IOTT
SUB2TH
MAINTH
SUBTH
TNR4
TNR3
TNR2
TNR1
ASICOFF
MODE2
ITBLS
IOTR
OPTPREGS
CSTPS
MPTPREGS
DEVHPS
MPTPS
ITBTS
TNRRSPWM
POUTS
ASICCLK
2
1
JNT2
12
100,0.063W
R7
+3.3VA
ENWW
Troubleshooting tools
129