Samsung SF-530 Service Manual page 135

4-9 OPE Circuit Diagram
CN1
GILS-5P-S2T2-EF
1
2
3
4
5
+5V
R37
22K
KA2-14P8-2.54DSA
1
P1
+5V
R1 200
2
P1
R35
10K
3
P1
C1
100pF
R34
C12
680
100nF
GND5
GND5
4
P1
5
P1
6
P1
7
P1
8
P1
9
P1
10
P1
11
P1
12
P1
13
P1
14
P1
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
Samsung Electronics
U3
CD74HC14MX
10
V16
11
+5V
U3
CD74HC14MX
12
13 V17
C13
C14
10uF
100nF
16V
+5V
GND5
+5V
C21
GND5
100nF
R2
GND5 22K
U3 U3
CD74HC14MX CD74HC14MX
14 U2
U3
CD74HC14MX R38 200 2 4 35
1 3
_RESET
8
9 48
TXD
7
6 47
5
RXD
37
XTAL1
U3
38
C15 CD74HC14MX
X1 XTAL2
47pF
11
V1 NC1
C17
12
C16
10uF V2 NC2
47pF
16V
13
V3 NC3
14
CSA7.37MTZ-TF01
V4 NC4
GND5
GND5 GND5 8
LCD_RS
9
LCD_RW
10
LCD_E
30
LCD_D0
31
LCD_D1
32
LCD_D2
33
LCD_D3
18
LCD_D4
17
LCD_D5
16
LCD_D6
15
LCD_D7
R39 22K
+5V 2
SENSOR
1
C18 C19 C20
D_DET
D_DET
220pF 220pF 220pF
7
D_SCAN D_SCAN
19
VSS
GND5 GND5 GND5
HT48R50
GND5
+5V +5V
R19 R18 R21 R22
300 300 300 300
D_DET
1
1 3
3
A
C
U5
ITR-9702/F2
C5 2 4
K E
100nF
2 4
GND5 GND5 GND5
+5V
R11 R10
200 200
2
1 LED1 1
+5V
SLS-NNGR202TS
3
Q1 Q4
KSA1182-Y KSA1182-Y
GND5
TOLL
36
VDD
20
_INT
21
TMR0
3K 3K 3K 3K 3K
R15 R49 R48 R50 R51
34
TMR1
6 GND5
LED0
5
LED1
4
LED2
3
LED3
46
LED4
45
D1 D2
LED5 V9
MMSD914T1 MMSD914T1
44
LED6 V10
43
LED7 V11
39
NC5 V12
3 6
40
NC6 V13
SW1 SW4
41
NC7 V14
42
NC8 V15
APOLLO2 (OPE)
22
KEY0
2 5
23
KEY1
SW2 SW5
24
KEY2
25
KEY3
26
KEY4
1 4
27
KEY5
SW3 SW6
28
KEY6
29
KEY7
10
05
SW22 SW27
04 SW23 09 SW28
03 08
SW24 SW29
02 SW25 07
SW30
01 06
SW26 SW31
U4
KPI-L05
D_SCAN
C6
100nF
GND5
Changed by:
+5V +5V +5V
R44 R45 R40 R41 R42 R43
200 200 200 200 200 200
2 2 2
LED2 1 LED3 1 LED5
SLS-NNGR202TS SLS-NNGR202TS SLS-NNGR202TS
3 3 3
Q2 Q3
KSA1182-Y KSA1182-Y
GND5 GND5 GND5
PAPER POWER TONER
D3 D4 D5 D6
MMSD914T1 MMSD914T1 MMSD914T1 MMSD914T1
OHD/ COPY/
9 # V-REQUEST REPRINT
SW7 SW10 SW13 SW16
STOP E-MAIL
8 0
SW8 SW11 SW14 SW17
START/
7 * REPORT/
HELP
SW9 SW12 SW15 SW18
TOLL
<
15 20
SW32 SW37 SW42 SW47
PAPER
REDIAL
14 SW33 19 SW38 SW43 SW48
CONTRAST
RECALL
POWER
13 18
SW34 SW39 SW44 SW49
TONER
12 SW35 17 SW40 SW45
11 16
SW36 SW41
Engineer:
Ho-Jin Park
Drawn by:
Ho-Jin Park
R&D CHK:
DOC CTRL CHK:
MFG ENGR CHK:
Time Changed: QA CHK:
Son-Hyun Date Changed:
SCHEMATIC DIAGRAMS
+5V
R46 R47
200 200
2
1 LED4
SLS-NNGR202TS
3
Q5
KSA1182-Y
GND5
E-MAIL
D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D7
MMSD914T1
SEARCH
/DELETE
SW19
+5V
R7
22K
>
SW20
R6
22K
ADVANCED FAX
SW21
R5
22K
SETUP
SW52
R4
22K
RCV-MODE/
SW53
R36
22K
RESOLUTION
SW54
R8
22K
R9
22K
R3
22K
SAMSUNG ELECTRONICS
Size:
TITLE:
E
APOLLO2 (OPE)
REV: Drawing Number: Page:
2.0
1
Repair Manual
4-9