Samsung CLP 300 - Color Laser Printer Service Manual page 131

Main Board(2/15)
1 2
ADDR(1:23)
DATA(0:31)
+3.3V
A
DGND
JTAG RA16
10K
CN9-1
35303-0850
8
7
nRESET
6
5
4
3
2
1
C86 15pF
B
C85
15pF
DGND
nRD
nWR
nCS_BOOT
RA11 33
nRST_USB_DEVICE
nRST_NIC
nCS_USB_DEVICE
nCS_MODEM
nCS_USB_HOST
C
nADF_P_DET
nDREQ_USB_DEVICE
TEST JIG
nADF_P_POS
nADF_P_REG
nDACK_USB_DEVICE
nRST_MODEM
nRST_USB_HOST
XI_MCLK
XO_MCLK
C154 2.2nF
XI_VCLK
XO_VCLK
C145 2.2nF
D
R77 10K
XI_RTC
XO_RTC
nRESET
nRST_PANEL
R70 0
R66 10K
DGND
nINT_USB_DEVICE
nINT_WNIC
nINT_MODEM
nINT_USB_HOST
nITB_HOME
E
+3.3V
RA34 RA15
10K 10K
F
SD(0:31)
1 2
Service Manual
11-2
3 4
AD5
nTRST
AF5
TCK
AE5
TMS
AE4
TDI
AD4
TDO
T4
nRD
R5
nWR
T5
nROMCS0
T2
nROMCS1
T3
nROMCS2_GPO_2
U3
nROMCS3_GPO_3
R1
nIOCS0
R2
nIOCS1
R3
nIOCS2
R4
nIOCS3_GPO_4
P3
nIOCS4_nIOCS4_CIP4E_GPO_5
P4
nIOCS5_GPO_6
U4
nWAIT0_GPI_0
U5
nWAIT1_GPI_1
H3
nDREQ0_nDREQ0_CIP4E_GPI_2
J5
nDREQ1_nDREQ1_CIP4E_GPI_3
H5
nDREQ2_nDREQ2_CIP4E_GPI_4
G4
chrousm
nDREQ3_nDREQ3_CIP4E_GPI_5
H2
nDACK0_nDACK0_CIP4E_GPO_7
H4
nDACK1_nDACK1_CIP4E_GPO_8
G2
nDACK2_nDACK2_CIP4E_GPO_9
G3
nDACK3_GPO_10
A12
XI_MAIN
B12
XOUT_MAIN
C11
MAIN_FILTER
C10
XI_VCLK
D10
XOUT_VCLK
A10
VCLK_FILTER
A9
PCIPLL_CLK
A13
RTC_XI
B13
RTC_XOUT
D9
nRESET
E10
nRSTOUT_GPO_0
G1
CLKOUT_GPO_1
AC5
TESTMODE
AC6
OM0
AB6
OM1
AA6
OM2
AD6
OM3
F1
EINT0
F2
EINT1
J25
EINT2_GPI_19
H25
EINT3_GPI_20
F3
EINT4_GPI_21
J24
EINT5_GPI_22
SA(0:12)
3 4
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5 6
nACK
PDE
nFAULT
SLCT_OUT
PERROR
BUSY
MDC_GPO_19
MDIO_GPIO1_31
COL_GPI_9
TX_CLK_GPI_10
MAC_TXD0_GPO_20
MAC_TXD1_GPO_21
MAC_TXD2_GPO_22
MAC_TXD3_GPO_23
TX_EN_GPO_24
TX_ERR_GPO_25
RX_ERR_GPI_11
CRS_GPI_12
RX_CLK_GPI_13
MAC_RXD0_GPI_14
MAC_RXD1_GPI_15
MAC_RXD2_GPI_16
MAC_RXD3_GPI_17
RX_DV_GPI_18
U10-1
TXD0
TXD1
JC13-00031A
TXD2
TXD3_GPO_17
TXD4_GPO_18
RXD0
RXD1
RXD2
RXD3_GPI_7
RXD4_GPI_8
SCL
SDA
NF_CLE_GPIO2_0
NF_ALE_GPIO2_1
NF_nCE_GPIO2_2
NF_nRE_GPIO2_3
NF_nWE_GPIO2_4
NF_BOOT
NF_RnB_GPIO2_5
GPIO_A0_TX_EN3_TESTOUT8_GPIO_6
GPIO_A1_TX_EN4_TESTOUT9_GPIO_7
GPIO_A2_TX_C_TESTOUT10_GPIO_8
GPIO_A3_TX_D_TESTOUT11_GPIO_9
GPIO_A4_nTX_C_TESTOUT12_GPIO_10
GPIO_A5_nTX_D_TESTOUT13_GPIO_11
GPIO_A6_SAM_HOLD0_TESTOUT14_GPIO_12
GPIO_A7_SAM_HOLD1_TESTOUT15_GPIO_13
5 6
7 8
OP_Y_LED
OP_M_LED
OP_C_LED
OP_K_LED
OP_STA_LED1
OP_STA_LED2
OP_MODE_LED
nOP_KEY_MODE
nOP_KEY_ONLINE
C14
A17
D15
E15
C15
A18
B1
MAC_MDC
D3
MAC_MDIO
E1
MAC_COL
F4
MAC_TX_CLK
D1
MAC_TXD0
D2
MAC_TXD1
E2
MAC_TXD2
E3
MAC_TXD3
F5
MAC_TX_EN
G5
MAC_LED_CON
C2
MAC_RX_ERR
E4
MAC_CRS
G6
MAC_RX_CLK
F6
MAC_RXD0
E5
MAC_RXD1
C3
MAC_RXD2
D4
MAC_RXD3
C1
MAC_RX_DV
+3.3V
E13
C12
DEBUG_TXD
D12
PANEL_TXD
AE25
SCF_TXD
AE26
SCF_CLK
C9
B9
DEBUG_RXD
R72
E12
PANEL_RXD 10K
AD24
SCF_RXD
AF26
nSCF_RDY
AA21
SCL
AD22
SDA
AF1
NF_CLE
AF2
NF_ALE
AF3
NF_nCE
AE1
NF_nRE
AE2
NF_nWE
AE3
AF4
NF_RnB
AC23
FLAT_MOT_PLS
AE24
nFLAT_MOT_EN
AF25
nFLAT_MOT_SLEEP
AF24
FLAT_MOT_DIR
AC22
FLAT_MOT_MS1
AD23
FLAT_MOT_MS2
AE23
LSU_SH1
AF23
LSU_SH2
CLX-3160N(FN) Only
R3
U1-5 220K
U1-4
NR3 0
10
11
8 9
R17
74LCX14 74LCX14
10K 100nF
DGND
DGND
Digtal Printing Division
Engineer K.C.LEE
R&D 5
Drawn by
TITLE:
R&D CHK S.D.AN
DOC CTRL CHK
CLP-300(N)/CLX-3160N(FN)
MFG ENGR CHK
Main_V0.11
CHORUSm(1)
7 8
Schematic Diagram
A
B
C
D
+3.3V
E
C10
Size
F
A3
2/15
Samsung Electronics