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11
S C H E M ATIC DIAG R A M S
11. Schematic Diagrams
11.1 PCL Main Circuit Diagram (1/7)
Service Manual Samsung Electronics
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11-1
S C H E M ATIC DIAG R A M S
PCL Main Circuit Diagram (2/7)
11-2
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S C H E M ATIC DIAG R A M S
PCL Main Circuit Diagram (3/7)
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11-3
S C H E M ATIC DIAG R A M S
PCL Main Circuit Diagram (4/7)
11-4
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S C H E M ATIC DIAG R A M S
PCL Main Circuit Diagram (5/7)
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11-5
S C H E M ATIC DIAG R A M S
PCL Main Circuit Diagram (6/7)
11-6
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S C H E M ATIC DIAG R A M S
PCL Main Circuit Diagram (7/7)
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11-7
S C H E M ATIC DIAG R A M S
11.2 SPL Main Circuit Diagram (1/5)
11-8
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S C H E M ATIC DIAG R A M S
SPL Main Circuit Diagram (2/5)
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11-9
S C H E M ATIC DIAG R A M S
SPL Main Circuit Diagram (3/5)
11-10
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S C H E M ATIC DIAG R A M S
SPL Main Circuit Diagram (4/5)
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11-11
S C H E M ATIC DIAG R A M S
SPL Main Circuit Diagram (5/5)
11-12
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S C H E M ATIC DIAG R A M S
11.3 HVPS Circuit Diagram (1/2)
24VS
5V
5V
R202
100 CON2-16 THV-PWM
Q201
A708-Y
D201
1N4148
C204
103
R209
100K
C207
103
C206 R210
4
5 6 5.6K 7 + 104 4
IT201 C210
6KV 221 2 ¡ 6 5 1 ¡ ¡ 7
R201
430
THV-sen
R208
10K
C945C-Y
Q202
C211
6KV 221
R204
47K
R205
22K
U102-B
KA324
D204
6KV
D205
6KV 6KV 221
D206
6KV
D203
D1NL20U C2383
11
THV R203
2K
C201
473
50K
C202
102
C203
681
Q203
C208
681
IT-01
C209
R212
1/2W 100K
THV
R206
180K-F
C205
473
R207
330K-F
ZD201
2.7V
R211
1/4W 4.7
D202
D1NL20U
TNR201 5N221K C212
2KV 221 24VS
TNR202 5N431K TNR203 5N431K
R213
MGR1/2W 100MF
5V
R302
470K
C302
103
R309
N.U
R303
470
C301
4 104
IT301
D302
4KV 6
2 ¡ R301 1K 5 ¡ 7
C304
3KV 151
R305
MGR1/2W 50M
CON2-17 THV-EA
Q301
C945C-Y 1 ¡
THV-sen R306
150KF
D303
1N4148
Q302 C306 INDEX
50K 473 C2383
103
C303
IT-01
ZD301
2.7V
R307
150K
R304
1/4W 4.7
D1NL20U
D301
5V
1N4148
D304
C305
104
D305 R308
CON2-18 THV-READ 1K 1 + 3 2 1N4148
C307
473
U102-A
KA324
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11-13
S C H E M ATIC DIAG R A M S
HVPS Circuit Diagram (2/2)
5V C404 D401 1N4148 MHV-sen
12 + -
ZD401 R403 1.5M Q401 A708-Y
14
24VS
2.7V R406 5.6K R407 100K
472
C406 103 IT401 D404 4KV R410 1/2W 560K C409 3KV 471 R413 1/2W 100K
6 5 ¡ 7
MHV
MHV-PWM CON2-19 R401 47K C401 473 R402 22K C402 102 D402 1N4148
13
C403 331
U102-D KA324
R404 10K
R408 470
4
C405 104
2 ¡
R411 MGR1/2W 20MF MHV-sen
R405 10K Q403 C2316 Q402 C945C-Y ZD402 2.7V D403 D1NL20U R409 1/4W 4.7 C407 103
R414 MGR1/2W 15MF
1 ¡
IT-01 5V R412 30KF C410 221 MHV 20K ZD403 130V
OPC
C408 103
5V C504 D501 1N4148 BIAS-sen
10
ZD501 R503 330KF Q501 A708-Y
+ 8
24VS C506 103 IT501 R508 470
4
2.7V R506 5.6K R507 100K
472
D504 4KV
R510 1/2W 1.8M R511 C510 3KV 101
R513 1/2W 50K
SUPPLY
BIAS-PWM CON2-20 R501 47K C501 473
R502 22K C502 102
9
U102-C KA324 D502 C503 1N4148 681
R504 10K
C505 104
2 ¡
5
C509 3KV 471 ¡ 7
6
ZD503 200V
R505 10K Q503 C2316 Q502 C945C-Y ZD502 2.7V D503 D1NL20U C507 103
1 ¡
IT-01 5V
BIAS-sen R514 R512 30KF R515 MGR1/2W 15MF 1/2W 50K
DEV
MGR1/2W 10MF
R509 1/4W 10
C508 103
DEV 20K
24VS C112 50V 10uF
+ IN
U103 KA7805
OUT
5V
+
C113 25V 47uF
GND
11-14
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S C H E M ATIC DIAG R A M S
11.4 SMPS Circuit Diagram : 220V (1/2)
Humming-V2 SMPS circuit diagram
SW1 3024-P3T4DBKBK F1 250V 5A
AR1 DSS-601M F2 250V 2A
C3
C2 472MAA
LF1 1508V
LF2 6003V D1,2,3,4 600V2A*4
472MAA R14 R2 C6 +
PT1 EER2828V C101 1KV 102 SW2 SS-5GLD CON2-11,12,13 +24VS 2.0A C105 50V 1uF CON2-9,10 GND
INLET1 TVR1 10D561K R1 1/2W 560K TH1 10D-13 C1 224 C4 104
R5 3W 47K 6
9
1KV 223
C5 400V 100uF
R102
R103
R104
R105
R106
R107
R108N.U
R113N.U
1/4W330K 1/4W330K
R15
1/8W100K 1/8W100K
R3
5 D5 UF4007 1
8
D101,102 200V 3A*2 C102 35V 1000uF
1/2W 3.3K
1/2W 3.3K
1/2W 3.3K
1/2W 3.3K
1/2W 3.3K
1/2W 3.3K
R4
R11 1W 47 FUSIBLE
C10 630V 333 U1 BTA12-600B
L1 100uH
10
1
3
D104 100V 1A
C103 16V 100uF
U105 7805
C104 25V 47uF
CON2-8 +5V 0.14A
2
1/8W100K
CON1 2 1
U2
PWM CONTROL 1 Drain STR-G6353 Source 2 GND OCP/FB 3 5 Vin 4
B1
D6 200V1A
VR1 500
8 R6 82 5uH R109 NU R110 330 PC101-A 817M-B C108 50V 1uF C107 16V 1000uF R111 1.8K-F D103 40V 3A L101
CON2-7 GND F101 250V2A CON2-3,4 +3.3V 1.0A
R13 1/4W 22
C11 50V 104 PC102 TLP3061F
R12 1W 180 FUSIBLE
PC101-B 817M-B R8 680 R7 6.8K R10 C7 35V 30K 22uF
3 7 4 11
C106 1KV 102
R114 1/2W 1.5K
R9 1W0.4
C8 681 C13 472MAA C12 472MAA
U101 TL431
1
R112 5.6K-F
C109 10V 470uF GND CON2-5,6
3 2
CON2-11,12,13(+24VS) CON2-26(FUSER-ON)
Q102 C1008-Y
NO MARKING RESISTOR 1/8W-J(5%)
CON2-1(FEED-SEN) CON2-2(PAPER-EMPT) CON2-14(MANUAL) CON2-15(THV-READ) CON2-16(LED-READY) CON2-17(THV-PWM) CON2-18(LED-ERROR) CON2-19(BIAS-PWM) CON2-20(THV-EA) CON2-21(LED TONER SAVE) CON2-22(MHV-PWM) CON2-23(FAN) CON2-24(KEY-DEMO) CON2-25(EXIT) CON2-26(FUSER-ON)
Service Manual Samsung Electronics
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11-15
S C H E M ATIC DIAG R A M S
SMPS Circuit Diagram : 220V (2/2)
3.3V
3.3V
R125 R126
R127 R128
R115 R116
R117 R118
OP104 SG-288 2
CON2-23(FAN)
100
1
100
R119 2.2K Q101 KSC1008-Y R120 5.6K DGND
27K
3 4
D105 1N4003
100
1 2
27K
3 4
27K
100
27K
CON2-2(PAPER EMPTY) CON2-1(FEED SENSOR)
CON2-14(MANUAL) CON2-25(EXIT)
3
1
3
1
OP103 KPI-512
OP103 KPI-512
2
4
2
4
OP101 KPI-512
24VS
CON3
3 2 1
5268-03A
53015-0510
TNR101 OPC1 7D561
1 2 3 4 5
CON2-16(LED-READY) CON2-18(LED-ERROR) CON2-21(LED-TONER SAVE) CON2-24(KEY-DEMO))
CON4
11-16
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