MX-M623U, MX-M753U (serv.man8). CIRCUIT DIAGRAM - Sharp Copying Equipment Service Manual (repair manual). Page 120

Read Sharp MX-M623U / MX-M753U (serv.man8) Service Manual online

MX-M753  CIRCUIT DIAGRAM AND PARTS LAYOUT / 回路図 と 部品配置図  
2 –  111
12V
3.3V
12V
3.3V
Vref
Vref
3.3V
Vref
3.3V
Vref
Vref
12V
3.3V
Vref
12V
3.3V
3.3V
Vref
Vref
TH_UM_IN
<17>
TH_LM_IN
<17>
TH_US_IN
<17>
TH_UM
<1>
FTH_UM
<5>
THOPEN_UM <3>
FTH_LM
<5>
TH_LM
<1>
THOPEN_LM <3>
R580
24kF
R515
0J(NM)
C243
22000pF
R587
200kF
R553
19.1kF
D136
RB420d
D120
KDS123E(NM)
2
1
3
D117
KDS123E
2
1
3
TP990
R490
10kF
TP877
11
10
R489
10kF
R545
2kF
R584
200kF
5
4
R502
4.7kJ
TP922
R586
24kF
R582
300kF
R582
300kF
R492
620F
R585
300kF
R568
1kJ
5
6
TP937
R514
100J
C241
0.1uF
+
-
IC51C
LM339
+
-
9
8
14
R495
10kF
R573
10kJ(NM)
TP951
R551
27kF
R552
2.4kF
R549
2kF
TP936
R528
0J(NM)
TP819
R5
TP989
C236
22000pF(NM)
+
-
IC56C
LM324D
+
-
10
9
8
D134
RB420d
+
-
IC60C
LM339
+
-
9
8
14
C242
0.1uF
C234
22000pF(NM)
R569
1kJ
D135
RB420d
R527
100J
R491
620F
R581
200kF
C235
0.1uF
R516
100J
5
4
D118
KDS123E(NM)
2
1
3
R534
100J
R579
300kF
C238
0.1uF
12
13
C251
0.1uF
D119
KDS123E(NM)
2
1
3
R488
620F
+
-
IC60A
LM339
+
-
7
6
1
3
12
R548
19.1kF
11
10
TP871
R583
24kF
D113
KDS123E
2
1
3
TP831
C239
22000pF
TP910
TP808
+
-
IC51A
LM339
+
-
7
6
1
3
12
+
-
IC56A
LM324D
+
-
3
2
1
4
11
R503
4.7kJ
TP988
C240
22000pF
A
B
C
4
3
2
1
PCU PWB (Input section 3 (Analog))
A
B
C

Display

Click on the first or last page to see other MX-M623U / MX-M753U (serv.man8) service manuals if exist.

Random: