Panasonic UF-490 Service Manual / Other ▷ View online
49
A
B
2
3
C
D
1
2
3
4
1
4
R24
62.5mW
1K
nBPNT
001:A3
R31
62.5mW
1K
SCN_DB[7-0]
001:A1;002:A1
pPNLRD
001:C2
R23
62.5mW
1K
pPNLSD
001:C2
GND
GND
+5V
GND
pPNLRST
001:A2
nPWSAVE
001:C2
nWAKUP
001:D4
pBZCLK
001:D3
R28
62.5mW
1K
+5V
+5VP
R/W
001:C2
RS
001:C2
E
001:C2
50V
0.01uF
C7
62.5mW
1K
R30
62.5mW
1K
R27
62.5mW
1K
R32
62.5mW
1K
R29
47K
62.5mW
R26
VPP
001:A3
50V
0.01uF
C11
50V
0.01uF
C13
50V
0.01uF
C14
50V
0.01uF
C15
50V
0.01uF
C16
50V
0.01uF
C17
25V
0.1uF
C20
25V
0.1uF
C22
25V
0.1uF
C21
+5V
10
62.5mW
R47
10
62.5mW
R49
10
62.5mW
R59
TP2
GND
0
JW1
CN50
1
CN50
2
CN50
3
CN50
4
CN50
5
CN50
6
CN50
7
CN50
8
CN50
9
CN50
10
CN50
11
10K
0.0625W
R8
RCM7168W-A
IC4
3
DB5
5
DB3
6
DB2
2
DB6
4
DB4
1
DB7
7
DB1
8
DB0
9
E
10
R/W
11
RS
12
V5
13
VDD
14
VSS
16.0V
22.0uF
C9
21
16.0V
22.0uF
C10
21
16.0V
22.0uF
C12
21
0
JW6
0
JW21
0
JW33
0
JW50
0
JW51
0K
JW3
0K
JW8
0K
JW23
0K
JW24
0K
JW38
0K
JW45
0K
JW46
0K
JW58
0K
JW61
JW4
JW5
JW7
JW10
JW11
JW12
JW13
JW22
JW25
JW27
JW47
JW49
JW67
JW69
JW71
JW72
JW2
JW9
JW14
JW15
JW16
JW17
JW18
JW19
JW20
JW26
JW28
JW29
JW30
JW31
JW32
JW34
JW35
JW36
JW37
JW39
JW40
JW41
JW42
JW43
JW44
JW48
JW52
JW53
JW54
JW55
JW56
JW57
JW59
JW60
JW62
JW63
JW64
JW65
JW66
JW68
JW70
JW73
JW74
JW75
1K
0.0625W
R9
JW79
JW76
JW77
JW78
JW80
0K
JW81
0K
JW82
SCN_DB[7]
SCN_DB[6]
SCN_DB[5]
SCN_DB[4]
SCN_DB[3]
SCN_DB[2]
SCN_DB[1]
SCN_DB[0]
SCN_DB[6]
SCN_DB[5]
SCN_DB[4]
SCN_DB[3]
SCN_DB[2]
SCN_DB[1]
SCN_DB[0]
S11B-PH-K-M
To: SC
CN50
GND
+5VP
pPNLRST
pBZCLK
pPNLSD
pPNLRD
+5V
nWAKUP
nPWSAVE
nBPNT
GND
# : Not Mounted
#
FG
Jumper List
GND
+5V
PNLRD
SCN/DB[4]
BPNT
+5VP
BZCLK
SNSCT
KIN[3]
SCN/DB[5]
B4
SCN/DB[1]
SCN/DB[3]
SCN/DB[0]
KIN[0]
SCN/DB[6]
LEDCT0
PSK
RESET
SCN/DB[2]
APNT
KIN[1]
LEDCT1
LED[0]
LED[1]
KIN[2]
SCN/DB[7]
LCD
BL (G)
IC
BL (R)
BLCNT
Drawing Name
PNL PC Board (3/3)
Model
UF-490
50
2.4.
ILS PC Board
A
B
2
3
C
D
1
2
3
4
1
4
CN73
1
CN73
2
CN73
3
AVM3958
SW102
COM COM
NO
NO
NC
NC
AVM3958
SW101
COM COM
NO
NO
NC
NC
+24V
+24VD
To:
SC PCB
(CN11)
S2(3)B-PH-K-S
AVM3958
Drawing Name
ILS PC Board (1/1)
Model
UF-490
51
2.5.
SNST PC Board
A
B
2
3
C
D
1
2
3
4
1
4
Drawing Name
SNST PC Board (1/1)
Model
UF-490
250mW
120
R2
GND
+5V
250mW
270
R1
CNZ1120
PC1
PC1
4
2
1
3
CN81
1
CN81
2
CN81
3
CN81
4
CN81
5
CN81
6
CNA1003H01ME
PC2
PC2
4
2
1
3
GND
JP1
1
4
2
3
3
pPCHK
GND
+5V
TONER
Toner Sensor - Side
S6B-PH-K-M
To:
SC PCB
(CN15)
TSENCNT
GND
No Paper Sensor - Side
DZFP001043
FBS8716
TONER-PCHK, Harness
TSENCNT
TONER
LED_5V
GND
DZEP000618-1/2
DZEP000618-2/2
52
2.6.
SNSE PC Board
A
B
2
3
C
D
1
2
3
4
1
4
GND
CNA1003H01ME
PC1
PC1
4
2
1
3
CN77
1
CN77
2
CN77
3
CN77
4
CN77
5
CN76
1
CN76
2
TH1
nESEN
GND
B2B-PH-K-S
+5VSE
TH2
Exit Sensor
B5B-PH-K-S
To:
SC PCB
(CN7)
To: Fuser Unit
(Thermistor)
TH2
TH1
Drawing Name
SNSE PC Board (1/1)
Model
UF-490
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