Main Pba Description; Flash Memory - Samsung CLX-3185 Service Manual

2.2.2.3 Main PBA Description

4 4 - - in in- in in- - - 1 only 1 only
4 4 - - 1 only 1 only
ADF ADF ADF ADF
CIS CIS
CIS CIS
LSU LSU
LSU LSU
Zinnia16 Single beam Zinnia16 Single beam Zinnia16 Single beam Zinnia16 Single beam
Zinnia24 Dual beam Zinnia24 Dual beam Zinnia24 Dual beam Zinnia24 Dual beam
SMPS SMPS SMPS SMPS
Zinnia16 Type2 1W Zinnia16 Type2 1W Zinnia16 Type2 1W Zinnia16 Type2 1W
Zinnia24 Type2P 1W Zinnia24 Type2P 1W Zinnia24 Type2P 1W Zinnia24 Type2P 1W
2p 2p 2p 2p
Fuser Lamp Fuser Lamp Fuser Lamp Fuser Lamp
Fuser Fuser Fuser Fuser
Themistor Themistor Themistor Themistor
Fuser Clutch Fuser Clutch Fuser Clutch Fuser Clutch
Pickup Clutch Pickup Clutch Pickup Clutch Pickup Clutch
T2 Clutch T2 Clutch T2 Clutch T2 Clutch
ITB Cutch ITB Cutch ITB Cutch ITB Cutch
Deve Deve Deve Deve Clutch Clutch Clutch Clutch
Regi Regi Clutch Clutch
Regi Regi Clutch Clutch
4p 4p 4p 4p
CRUM Y CRUM Y CRUM Y CRUM Y
4p 4p 4p 4p
CRUM M CRUM M CRUM M CRUM M
Joint Joint
Joint Joint
4p 4p 4p 4p
CRUM C CRUM C CRUM C CRUM C
4p 4p 4p 4p
CRUM Y CRUM Y CRUM Y CRUM Y
CHORUS 3
A Proprietary SoC, CHORUS3, executes and controls all jobs and functions to be required for
printing. To do these all jobs, the CHORUS3 incorporates all H/W blocks as follows.
▪ CPU Core ARM 926ESJ, I/D-Cache 16/16KB , Up to 400MHz
▪ System Bus Internally 32-bit width, Up to 120MHz
▪ MEM Controller DDR1/2, 16-bit width, 166MHz, 4-Bank, 128MB Space/bank
▪ ROM Controller 16-bit width, 4-bank, 16MB Space/bank
▪ CODEC Controller JBIG 4-ch Decoder and 2-ch Encoder, 1-ch JPEG
▪ Image Processor Processing Scan Image
▪ MAC Controller 10/100Mbps Full IEEE 802.3 Compatibility
▪ USB Controller USB2.0, Device or Host
▪ UART Controller
▪ I2C Controller
▪ Interrupt Controller
▪ Misc. Controller ADC, DAC, PWM, Step Motor Control and so on
▪ Voltage Core 1.0V, I/O 3.3V
▪ Package 416PBGA

Flash Memory

Used to store System Programs including the Operating System.
▪ Type NOR Flash
▪ Bus 16-bit width
▪ Size 8 MB
Service Manual
Product spec and feature
CLX-3185 Series CLX-3185 Series
20p 20p 20p 20p
Main B'd Main B'd
12p 12p 12p 12p
16p 16p 16p 16p DDR2 DDR2
128MB X 1EA 128MB X 1EA
5p 5p 5p 5p
128MB X 2EA 128MB X 2EA
DQ[15:0] DQ[15:0]
SA[12:0], BA0,1 SA[12:0], BA0,1
5p 5p
5p 5p
CKE, nCS0 , nRAS, nCAS, WE CKE, nCS0 , nRAS, nCAS, WE
DM0~1, nDQS0~1, DQS1, DM0~1, nDQS0~1, DQS1,
4p 4p 4p 4p ODT0, nDDR_CLK0, BA0~1 ODT0, nDDR_CLK0, BA0~1
MAC_RXD[3:0] MAC_RXD[3:0]
N/W Φ N/W Φ
BCM5241 BCM5241
KMLG KMLG
MAC_TXD[3:0] MAC_TXD[3:0]
25MHz 25MHz
2p 2p 2p 2p
SDA SDA
EEPROM EEPROM
SCL SCL
64Kbit 64Kbit
Clock Clock
2p 2p 2p 2p
S. Flash S. Flash
Data Data
(4 (4- (4 (4- - - in in- in in- - - 1 only) 1 only)
1 only) 1 only)
3p 3p 3p 3p
] ]
DATA[15:0 DATA[15:0
3p 3p 3p 3p
] ]
ADDR[24:1 ADDR[24:1
P. Flash P. Flash
3p 3p
3p 3p
nRD, nWR, nRD, nWR,
2p 2p 2p 2p
nCS nCS
] ]
DATA[15:0 DATA[15:0
Zinnia24 Zinnia24
3p 3p 3p 3p
ISP1761 ISP1761
] ]
ADDR[8:1 ADDR[8:1
Zinnia16 Zinnia16
ISP1582 ISP1582
5p 5p 5p 5p
※ Flash : Zinnia16 - 4M / Zinnia24 – 32MB ※ Flash : Zinnia16 - 4M / Zinnia24 – 32MB
DDR : Zinnia16 - 128MB / Zinnia24 - 256MB DDR : Zinnia16 - 128MB / Zinnia24 - 256MB
ARM9 – 360MHz ARM9 – 360MHz
Chorus3 Chorus3
26p FFC 26p FFC 26p FFC 26p FFC
RAM Controller RAM Controller
GPIO GPIO
MAC MAC ADC 8ch ADC 8ch
UART UART PWM 8ch PWM 8ch
LSU LSU
I2C I2C
Controller Controller
Step Step
HPVC HPVC
Motor Motor 7p 7p 7p 7p
Image Processor Image Processor
Local Controller Local Controller
PLL PLL
USB2.0 USB2.0
Mclk Mclk
Vclk Vclk
USB USB
SSCG SSCG
Clock Clock
12MHz 12MHz
2-28
4 4 - - in in- in in- - - 1 only 1 only
4 4 - - 1 only 1 only
12p 12p 12p 12p Modem Modem Modem Modem
3p 3p 3p 3p
Sensor Sensor ( Sensor ( Sensor (Deve (Deve Deve Deve
3p 3p
3p 3p
Sensor (Empty) Sensor (Empty) Sensor (Empty) Sensor (Empty)
3p 3p 3p 3p
Sensor (Bin Full & Narrow) Sensor (Bin Full & Narrow)
Sensor (Bin Full & Narrow) Sensor (Bin Full & Narrow)
Ground Wire(225mm) Ground Wire(225mm) Ground Wire(225mm) Ground Wire(225mm)
HVPS HVPS
HVPS HVPS
3p 3p 3p 3p
Sensor ( Sensor Sensor Sensor (
3p 3p
3p 3p
T1 T1 T1 T1 Sensor (Exit) Sensor (Exit) Sensor (Exit) Sensor (Exit)
T2 T2 T2 T2
2p 2p
2p 2p
Waste Toner TX Waste Toner TX Waste Toner TX Waste Toner TX
Charger Charger Charger Charger
2p 2p
2p 2p
Supply Supply
Supply Supply
Waste Toner RX Waste Toner RX
Waste Toner RX Waste Toner RX
Deve Deve Deve Deve Bias Bias Bias Bias
3p 3p
3p 3p
Sensor Sensor Sensor Sensor
(Tension Home) (Tension Home) (Tension Home) (Tension Home)
BLDC Motor BLDC Motor BLDC Motor BLDC Motor
(Main) (Main) (Main) (Main)
10p 10p 10p 10p
OPE Panel Display OPE Panel Display OPE Panel Display OPE Panel Display
(LED & Keys) (LED & Keys) (LED & Keys) (LED & Keys)
5p 5p 5p 5p
Inner Temp. Inner Temp. Inner Temp. Inner Temp.
ITB Home Sensor ITB Home Sensor ITB Home Sensor ITB Home Sensor
2p 2p 2p 2p
Fan Fan Fan Fan
2p 2p
2p 2p
+24V Cover Open S/W +24V Cover Open S/W +24V Cover Open S/W +24V Cover Open S/W
4p 4p 2p 2p 2p 2p
4p 4p
PTL LAMP PTL LAMP
PTL LAMP PTL LAMP
2p 2p 2p 2p
OPC KEY OPC KEY
OPC KEY OPC KEY
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