Kyocera KM-3050

2GN/2GP/2GR-1
2-3-13
2-3-3 Main operation unit PWB
Figure 2-3-5 Main operation unit PWB diagram
ASIC
(for operation
unit control)
SCAN [7:0]
Main operation unit PWB
KEY [7:0]
LED [7:0]
R [5:0]
G [5:0]
B [5:0]
DE
DCLK
LCD
Right operation unit PWB
Left operation unit PWB
Upper operation unit PWB
Front operation unit PWB
Inverter
PWB
BK_ON
12 V
5 V
ADCSCLK
ADCCS
ADCDIN
ADCDOUT
ADCCH1
ADCCH0
D/A
ADJUST
X+
X-
Y+
Y-
LCDBKLT [1:0]
Tou c h
panel
I/F
Speaker
Cooling
fan
motor 7
Audio
power
amplifier
Driver
Power
source
PWB
PH_KEY
SUPND_ENTR
SW_FOOTN
AUDIO
24VDOWN
VBUS
D+
D-
GND
HLDPANEL
MCK [1:0]
CKE
MA [12:0]
BA [1:0]
MCS [1:0]
DQS [7:0]
DM [7:0]
RAS,CAS,WE
DQ [63:0]
D [63:0]
A [31:0]
PPC750CXr
300 MHz
Code DIMM
NOR Flash
memory 4 MB
NAND Flash
memory 64 MB
Buffer
32
21
DDR-SDRAM
256 Mbit x 4
Main
PWB
12 V
5 V
ALRCK
ADTA
ABCK
AMS
AMC
AMD
APD
FAX
BEEP
FAN_REM
Stereo
DAC
amplifier
(not
mounted)
4-wire
touch
screen
controller