Samsung SCX-1100 Service Manual page 99

SCHEMATIC DIAGRAMS
Main Circuit Diagram (2/8)
1
11.75V
30V 3.3V
A CN1-26
CN1-25
CN1-24
CN1-23
CN1-22
CN1-21
CN1-20
CN1-19
CN1-18
CN1-17
CN1-16
CN1-15
CN1-14
CN1-13
CN1-12
CN1-11
CN1-10
CN1-9
CN1-8
CN1-7
CN1-6
CN1-5
CN1-4
CN1-3
CN1-2
CN1-1
GND12 GND30
B
CN14-1
CN14-2
CN14-3
CN14-4
CN14-5
CN14-6
CN14-7
CN14-8
CN14-9
CN14-10
CN14-11
CN14-12
CN14-13
CN14-14
R209
CN14-15
0
CN14-16
CN14-17
CN14-18
CN14-19
CN14-20
CN14-21
CN14-22
CN14-23
C
CN14-24
CN14-25
CN14-26
CN14-27
CN14-28
CN14-29
CN14-30
CN14-31
CN14-32
CN14-33
CN14-34
CN14-35
CN14-36
DGND
D
INV_POWER 11.75V
C3
100uF
25V
5V
CN5-24
CN5-23
CN5-22
CN5-21
CN5-20
C95
CN5-19
CN5-18 C98
CN5-17
CN5-16 C96
CN5-15
CN5-14
R37
CN5-13
CN5-12
CN5-11
CN5-10
E R35
CN5-9
CN5-8
R30
CN5-7
CN5-6
R26
CN5-5
CN5-4
CN5-3
CN5-2
CN5-1
FPC_24
CCD
AGND GND12
1
Repair Manual
4-2
2 3
5V
R8
5.1K
CHY
CHX
3.3V
_SF_POR
ACLK
AGATE
LDCS C67
C66 C49
LATCHCTL 100nF 100uF
100nF
PCLK CN11-1 16V
CN11-2
PDATA3 CN11-3
PDATA2 CN11-4
L11 0
PDATA1
PDATA0
L5
PLOAD
PENABLE
L6 0
PH_ID1
PH_ID2
L12 0
OK2PRT
C1 C7
220pF 220pF
DGND FGND
DGND
5V
CN7-1
1
5V 2
3
4
5
_STB
OPE_MAGIC
CD(0:7)
C97
100nF 100pF
DGND
DGND
_ACK
BUSY
PE
SLCT
_AUTOFD
C336
100pF
5V
C208 11.75VA
100nF
DGND
CN9-1
3711-002815
1
DGND 2
3
4
_INIT 5
6
_ERROR
7
8
9
_SLCTIN 10
C338 11
C337 12
100pF
100pF 13
14
C182
LIU
DGND DGND 100nF
DGND AGND DGND
5V
R45
22K
R44
22
HOME 5V
C58
220pF
100nF
C33
5V 5V 5V 5V DGND
DGND
U6
R25 R28 R33 R38
10K 10K 10K 10K
10nF
VOUT_G
10nF
VOUT_R
10nF
VOUT_B
0 100
R36
0 100
R34
OPE_TXDD
0 100 R29
0 100
R27
_OPE_RES
CD74HCT244M
DGND
DGND DGND DGND DGND
DGND
2 3
- This Document can not be used without Samsung's authorization -
4
30V
5V
C50
330uF
R43 BD6 0,5%
50V
10K
C119 C118
100nF 100uF
16V
BD7 0,5%
GND30
DGND
(UNUSED)
R384
1.5K
R380 180K
KEYTONE
Q10
OPE_TXDD
2SC2812L6-TA
_OPE_RES
R383
OPE_RXD
68K
C80 C81 C82
100pF 100pF
DGND
5V
MODEM_RX
MODEM_TX1
MODEM_TX2
REMOTE
R137 1K
_HOOK_OFF
_RING_DET
R135 1K
DP
RECALL
R125
C181 Q5 3
TP230 3K
1
100pF 2SC2812L6-TA
_CML_ON
2
C194 C
R126
100pF
2K
(UNUSED) B E
AGND
AGND
R124
Q4 3
TP77 3K
1
2SC2812L6-TA
E_DP
2
R123
2K
AGND
(Unused)
R378
0
11.75V
Q7
KSA1203_YTF
CCD_TG
CCD_CLK1
CCD_CLK2
C334
100nF
CCD_RS R377 TP364
10K
OPE_TXD R375
DGND 680
TP363
_OPE_RST
D8
RB420D T147
R366
3
TP78 TP367 TP366 Q1
1
LAMP_ON
2SC2812L6-TA
1K
2
R373
4.7K
DGND
DGND
4
5 6
PULLUP
C205
100nF
5VA R155
1.5K
DGND R153 10K
R154
10K
BD13
R144 BD11
BD12
R152
BD10
C204 C203 C209
22pF 22pF 100nF
AGND
5V
5V 5V
30V
Q9
KSA1182-Y
DIN15
CN16-1
CN16-2
CN16-3
CN16-4
CN16-5
CN16-6
CN16-7
CN16-8
CN16-9
CN16-10
CN16-11
CN16-12
CN16-13
CN16-14
(UNUSED)
CN16-15
DGND DGND L7 0
L8 0
DGND FGND
DGND
GND30
3.3V
R146 SPK_OUT+
4.7K
SPK_OUT-
R145 100
CN12-1 COVER_OPEN
CN12-2
CN12-3
C197
CR_NA
100nF
CR_A
DGND
LF_B
LF_NA
3.3V LF_A
LF_NB
R24 R23
47K
100
1/8W
_P_PICKUP
SCAN_A
U5
SCAN_NA
RPI-441C1
SCAN_B
SCAN_NB
INV_POWER
DGND
TP365
C333
100nF
ED. 1 01.08.06
DATE
SIGN
C
A E
H
R N
E
P G
C
. .
K
REF NO SEC
5 6
7
A
USB20-4W2100
CN8-1
CN8-2
CN8-3
CN8-4
L9
L10
0
B
ADF_PHA
ADF_IA0
ADF_IA1
ADF_PHB
ADF_IB0
ADF_IB1
_ADF_DET
_D_DET
_D_SCAN
REG1_SEN
(U nused)
C
CN13-1
CN13-2
(Unused)
CN3-1
CN3-2
CN3-3
5045-03A
3711-000198|scon_pin3_2.5mm
CN4-4
CN4-3
CN4-2
CN4-1
5045-04A D
3711-000225
CN6-5
CN6-4
CN6-3
CN6-2
CN6-1
E
2 3
D
SCX-1100
W
Main Board
G
. REV 0.2
CONNECTION
2/8
Samsung Electronics