Sharp UP-800 (serv.man19) Service Manual ▷ View online
UP-820N/820F (V)
CIRCUIT DIAGRAM
10 – 25
25XH PRINTER MOT
OR DRIVE
25XH 1sheet PRINTER MOT
OR DRIVE
LB1650
TH1
THERMAL
FUSE LA
YOUT
24V
PIN 8
T
O
P
VIEW
SILICONE BOND
LT
_M
ST
E
P
3
LT
_M
ST
E
P
1
LT
_M
ST
E
P
2
LT
_MDOWN
LT
_M
ST
E
P
4
LP_M
A
+
LT
_M
ST
E
P
4
LP
_
M
A
-
LT
_M
ST
E
P
1
LT
_M
ST
E
P
2
LP
_
M
B
-
LP_M
B
+
LT
_M
ST
E
P
3
LT
_MDOWN
LT
_M
ST
E
P
1
LT
_M
ST
E
P
2
LT
_M
ST
E
P
3
LT
_M
ST
E
P
4
LT
_MDOWN
LP_M
A
+
24
V
LP_M
B
+
LP
_
M
B
-
LP
_
M
A
-
5V
24
V
5V
24
V
D13
RB160L-60
1
2
C197 0.1uF
FB22
CIB32P600NE
D16
RB160L-60
1
2
TH1
THERMAL
FUSE
D19
RB160L-60
1
2
U5
LB16
5
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
INH1
IN1
OUT1
GND(1)
GND(2)
OUT2
IN2
VCC(1)
INH2
IN3
OUT3
GND(3)
GND(4)
OUT4
IN4
VCC(2)
D18
RB160L-60
1
2
D14
RB160L-60
1
2
FB23
CIB32P600NE
FB24
CIB32P600NE
FB25
CIB32P600NE
D20
RB160L-60
1
2
D17
RB160L-60
1
2
D15
RB160L-60
1
2
+
C199
100uF/50V
1
2
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
16/18
PRINTER-3 (MO
T
OR)
UP-820N/820F (V)
CIRCUIT DIAGRAM
10 – 26
H,OPEN:ON
L:OFF
with FUSE
6,8pin:N.C
P-OFF
POWER
Heat Sink
Heat Sink
OS-CON
GND(signal) <=> GND_PO
WER
connect
(with HOLDER)
(with HOLDER)
(with HOLDER)
Heat Sink
6,8pin:N.C
with FUSE
(with HOLDER)
E
KTD998
C
1
2
3
B
NC
A
K
123
SPB-G56S
VLED
5V
5VB
5VB
0
VLED
12V
POFF#
5V
5VB
24V
3.3V
5VB
0
24V
24
V
5.7V
12
V
5.7V
5V
5VB
3.3V
SUB_PGND
24V
L1
180uH TROIDAL
R361
5.6K(1/2W)
Q27
KTD998
1
3
2
R376
3.3KF
R358
22KF
TP
1
4
C209
0.1uF
+
-
IC35A
BA10
3
9
3
3
2
1
8
4
Q28
KTD998
1
3
2
D25
RB060L40
1
2
+
C218
1000uF/16V
1
2
R173
10
D24
RB060L40
1
2
D23
SPB-G5
6
S
3
2
1
2
+
C207
330uF/35V
1
2
R364
9.1KF
C210
0.01uF(M)
D26
RB060L40
1
2
C221
0.1uF
ZD1
PTZ13B
1
2
C213
0.1uF
IC34
PQ1CG2032FZ
1
4
2
5
3
(jamper)
JP2
1
2
--
+
C220
47uF/16V
1
2
F6
T2.0A/250V
+
C212
1uF/50V
D39
SPB-G56
S
3
2
1
2
R362 11
K
F
R370
6.2KF
CN17
VH-2A
1
2
1
2
C201
MYLOR
0.033uF
TP
1
5
D28
1SR159-200
1
2
L2
180uH TROIDAL
R369
10KF
R375 100
D27
RB060L40
1
2
+
C217
(22uF/10V OS)
1
2
R359
FUSE R 10ohm
+
-
IC35B
BA103
9
3
5
6
7
8
4
CN18
TJC3-2A(BLUE)
1
2
1
2
C205
0.1uF/100V
R365
2.7K
R372 100
FB21
EFCB322513TS
F7
T2.0A/250V
R371
FUSE R 10ohm
R373
10KF
F5
T3.15A/250V
+
C219
(22uF/10V OS)
1
2
ZD2
UDZS5.1B
1
2
+
C203
6800uF/63V
1
2
D29
SPB-G5
6
S
3
2
1
2
TP
1
7
R366
56
K
IC36
LM2574HVN-ADJ
1
5
7
3
4
2
ZD3
PTZ6.2B
1
2
-+
BD1
KPBC102
2
1
4
3
C215
0.1uF/100V
FB1
EFCB322513TS
F8
T1.6A/250V
+
C202
3300uF/63V
1
2
IC33
LM2574HVN-ADJ
1
5
7
3
4
2
R363
3.9K
+
C204
3300uF/50V
1
2
TP
1
6
+
C216
1000uF/16V
1
2
R374
5.6K(1/2W)
C208
0.33uF
R360
1.2KF
C21
1
0.01uF(M)
+
C206
220uF/50V
1
2
R367
0
R368
1.3KF
L3
330uH TROIDAL
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
17/18
PO
WER-1
UP-820N/820F (V)
CIRCUIT DIAGRAM
10 – 27
Sub PWB POWER
WITH HEA
T
S
INK
Not Install
STBY: HIGH ON/LOW OFF
VCKDC for QA0
FPGA VCCAUX MAX36mA
FPGA VCCINT MAX32mA
FIN=GND
FIN=GND
Not Install
FIN=GND
3.3V LCD
MAIN PWB POWER
for
1.5V CPU CORE
1.8V LCD-C CORE
for
3.3V LCD/LCD-C
Sub PWB FP
GA
3.3V Battery
5V
2.5V
1.2V
3.3VL
VCPWC
3.3VC
3.3V
3.3VB
5VB
5VB
0
5V
3.3VS
5VB
2.5V
1.2V
SUB_PGND
3.3VL
3.3VC
3.3V
3.3VB
3.3V
3.3V
5VB
0
U9
BA33CC0WFP
2
1
5
4
3
6
VCC
CTRL
NC2
VOUT
NC1
GND
ZD5
(PTZ4.3B)
1
2
D32
(EC31QS06)
2
1
U10
B
D12KA5FP
1
2
3
4
VCC
NC
VOUT
GND
U7
(BA33DD0T)
1
2
3
VCC
GND
VOUT
C236
0.33uF
+
C222
(10uF/50V)
1
2
C234
100pF
R377
330
+
C228
(330uF/16V)
1
2
+
C229
(22uF/10V OS)
1
2
D33
(RB060L40)
1
2
+
C241
10uF/50V
1
2
D30
RB060L40
1
2
R183
0
SP11
(SHOR
T
PIN & SOCKET)
1
3
2
C231
1uF
jamper
JP4
1
2
-
-
D35
RB060L40
1
2
U8
BD25KA5FP
1
2
3
4
VCC
NC
VOUT
GND
F9
T1.6A/250V
C240
2.2uF
C230
0.33uF
U1
1
BH28FB1WG
1
2
3
5
4
VIN
GND
STBY
VOUT
NC
D37
EC31QS06
2
1
+
C226
(22uF/10V OS)
1
2
C242
0.1uF
+
C233
(22uF/10V OS)
1
2
C227
(0.33uF)
U6
BA33DD0T
(WITH HEA
T
SINK)
1
2
3
VCC
GND
VOUT
C223
(0.1uF)
+
C225
330uF/16V
1
2
R378
1
0
K
R390
0 (1/4W)
D34
RB060L40
1
2
ZD4
(PTZ4.3B)
1
2
D31
(EC31QS06)
2
1
D36
RB060L40
1
2
C239
0.33uF
C237
1uF
R171
(0)
C235
0.33uF
D38
EC31QS06
2
1
jamper
JP3
1
2
--
C224
0.33uF
+
C232
330uF/16V
1
2
R380
10K
R379
100
K
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
18/18
PO
WER-2
UP-820N/820F (V)
CIRCUIT DIAGRAM
10 – 28
CKDC_KR3#
KS5V_2
KS5V_11
KS5V_10
KS5V_0
KS5V_6
KS5V_3
CKDC_KR2#
KS5V_5
KS5V_4
CKDC_KR1#
KS5V_1
CKDC_KR0#
KS5V_8
KS5V_7
KS5V_9
KR3D
KR3B
KR2A
KR3D
KR3C
KR2D
KR1B
KR1C
KR1A
KR1D
KR3A
KR2B
KR2C
KR0B
KR0C
KR0A
KR0D
KR3A
KR0B
KR1C
KR3B
KR0D
KR0A
KR3C
KR1B
KR1D
KR0C
KS5V_10
KS5V_8
KS5V_3
KS5V_9
KS5V_5
KS5V_7
KS5V_11
KS5V_1
KS5V_2
KS5V_4
KS5V_6
KS5V_0
KR2D
KR2C
KR2B
KR2A
KR3D
KR3C
KR3B
KR3A
KR0D
KR0C
KR0B
KR0A
KR1D
KR1C
KR1B
KR1A
KR2A
KR2D
KR2C
KR2B
KR1A
ST1
ST3
ST0
ST2
7SEG_0
7SEG_1
7SEG_2
7SEG_3
7SEG_4
7SEG_5
7SEG_6
KS5V_12
KS5V_13
KS5V_14
KS5V_15
KS5V_15
KS5V_14
KS5V_13
KS5V_12
3.3V
5V
5V
3.3V
VCCKEY
ST1
1
CKDC_KR2#
2
ST2
1
KEX0
1
CKDC_KR3#
2
CKDC_KR1#
2
KEX1
1
CKDC_KR0#
2
ST3
1
ST0
1
KS5V_0
2
KS5V_1
2
KS5V_3
2
KS5V_2
2
KS5V_5
2
KS5V_7
2
KS5V_4
2
KS5V_6
2
KS5V_13
2
KS5V_14
2
KS5V_9
2
KS5V_15
2
KS5V_11
2
KS5V_8
2
KS5V_12
2
KS5V_10
2
KR0A
1
KR0B
1
KR0C
1
KR0D
1
KR1A
1
KR1D
1
KR1B
1
KR1C
1
KR2A
1
KR3D
1
KR3A
1
KR2D
1
KR2B
1
KR2C
1
KR3B
1
KR3C
1
7SEG_[0:6]
3.3V
5V
3
VCCKEY
modified 07,04,26
modified 07,05,06
modified 07,06,07
RP9
47K
RP9
47K
3
2
1
4
5
6
7
8
IC3
74HC153PW
IC3
74HC153PW
1G
1
B
2
1C3
3
1C0
6
1C2
4
1C1
5
1Y
7
GND
8
2Y
9
2C3
10
2C2
11
2C1
12
2C0
13
A
14
2G
15
VCC
16
IC1
74HC153PW
IC1
74HC153PW
1G
1
B
2
1C3
3
1C0
6
1C2
4
1C1
5
1Y
7
GND
8
2Y
9
2C3
10
2C2
11
2C1
12
2C0
13
A
14
2G
15
VCC
16
R1
4.7K
R1
4.7K
RP4
47K
RP4
47K
3
2
1
4
5
6
7
8
IC2
74HCT138
IC2
74HCT138
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
VCC_5
16
GND
8
C1
0.1uF
C1
0.1uF
RP6
47K
RP6
47K
3
2
1
4
5
6
7
8
R2
4.7K
R2
4.7K
C5
0.1uF
C5
0.1uF
RP2
0
RP2
0
3
2
1
4
5
6
7
8
C3
0.1uF
C3
0.1uF
RP10
47K
RP10
47K
3
2
1
4
5
6
7
8
RP3
47K
RP3
47K
3
2
1
4
5
6
7
8
C2
0.1uF
C2
0.1uF
+
C4
10uF/50V
+
C4
10uF/50V
1
2
RP7
47K
RP7
47K
3
2
1
4
5
6
7
8
RP5
47K
RP5
47K
3
2
1
4
5
6
7
8
IC4
74HCT138
IC4
74HCT138
A
1
B
2
C
3
G1
6
G2A
4
G2B
5
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
Y5
10
Y6
9
Y7
7
VCC
_5
16
GND
8
RP8
47K
RP8
47K
3
2
1
4
5
6
7
8
RP1
0
RP1
0
3
2
1
4
5
6
7
8
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
A
B
C
D
876
5
4
3
21
1
2
3
4
5
6
7
8
D
C
B
A
1/3
KEY IF PWB 1
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