Kyocera Ri 4530 Copystar, Service Manual

Page: 343 / 384

2BC/D
2-3-8
Connector Pin No. Signal I/O Voltage Description
CN7
Connected
to the
polygon
motor
control PCB
(LSU).
CN8
Connected
to the BD
sensor PCB
(LSU).
CN9
Connected
to the LD
control PCB
(LSU).
CN10
Connected
to the
operation
unit left
PCB and
operation
unit right
PCB.
1 CLOCK O 0 V/5.2 V DC (pulse) PM rotation control clock
2 G(5V) - Ground Ground for PM control PCB (LSU)
3 START O 0 V/5.2 V DC PM: On/Off
4 READY I 0 V/5.2 V DC PM rotation status: Stabilized/Not stabilized
1 G(5V) - Ground Ground for BD sensor PCB (LSU)
2 BD- I 0 V/5.2 V DC (pulse) Horizontal synchronized signal (-)
3 BD+ I 0 V/5.2 V DC (pulse) Horizontal synchronized signal (+)
4 G(5V) - Ground Ground for BD sensor PCB (LSU)
5 5V O 5.2 V DC Power supply for BD sensor PCB (LSU)
6 BDREF I 0 V/5.2 V DC BD sensor PCB (LSU) control signal
1 G(5V) - Ground Ground for LD control PCB (LSU)
2 /VD2- O 0 V/5.2 V DC Video data signal
3 /VD2+ O 0 V/5.2 V DC Video data signal
4 /VD1- O 0 V/5.2 V DC Video data signal
6 /VD1+ O 0 V/5.2 V DC Video data signal
7 /EN O 0 V/5.2 V DC LD output enable signal: Enable/Not enable
8 G(5V) - Ground Ground for LD control PCB (LSU)
9 /ADJUST2 O 0 V/5.2 V DC LD power adjust signal (2)
10 G(5V) - Ground Ground for RSW
11 /ADJUST1 O 0 V/5.2 V DC LD power adjust signal (1)
12 G(5V) - Ground Ground for LD control PCB (LSU)
13 5V O 5.2 V DC Power supply for LD control PCB (LSU)
A1 BUZZER O 0 V/5.2 V DC Buzzer: On/Off
A2 X1 I 0 V to 5 V DC Touch panel detection voltage
A3 Y1 I 0 V to 5 V DC Touch panel detection voltage
A4 X2 O 0 V to 5 V DC Touch panel detection voltage
A5 Y2 O 0 V to 5 V DC Touch panel detection voltage
A6 LCD FRAME O - LCD control signal
A7 LCD LOAD O - LCD control signal
A8 LCD CP O 0 V/5.2 V DC (pulse) LCD drive clock
A9 LCD VSS(S.G) - ground Ground for LCD (OPCB-L)
A10 LCD VDD(5V) O 5.2 V DC Power supply for LCD (OPCB-L)
A11 LCD VSS(S.G) - - Ground for LCD (OPCB-L)
A12 LCD DISP OFF O 0 V/5.2 V DC LCD: On/Off
A13 LCD D0 O 0 V/5.2 V DC (pulse) LCD display data (0)
A14 LCD D1 O 0 V/5.2 V DC (pulse) LCD display data (1)
A15 LCD D2 O 0 V/5.2 V DC (pulse) LCD display data (2)
A16 LCD D3 O 0 V/5.2 V DC (pulse) LCD display data (3)
A17 VEE OFF O 0 V/C V DC LCD power supply control signal
B1 NC - - Not used
B2 NC - - Not used
B3 LAMP OFF O 0 V/5.2 V DC LCD back light: On/Off
B4 S.GND - Ground Ground for OPCB-R
B5 5V O 5.2 V DC Power supply for OPCB-R
B6 DIG LED 8 O 0 V/5.2 V DC (pulse) LED drive signal 8
B7 DIG LED 7 O 0 V/5.2 V DC (pulse) LED drive signal 7
B8 SCAN 8 O 0 V/5.2 V DC (pulse) LED scan signal 8
B9 SCAN 7 O 0 V/5.2 V DC (pulse) LED scan signal 7
B10 SCAN 6 O 0 V/5.2 V DC (pulse) LED scan signal 6
B11 DIG KEY 9 I 0 V/5.2 V DC (pulse) KEY return signal 9
B12 DIG KEY 8 I 0 V/5.2 V DC (pulse) KEY return signal 8
B13 DIG KEY 7 I 0 V/5.2 V DC (pulse) KEY return signal 7
B14 DIG KEY 6 I 0 V/5.2 V DC (pulse) KEY return signal 6
B15 DIG KEY 5 I 0 V/5.2 V DC (pulse) KEY return signal 5
B16 DIG KEY 4 I 0 V/5.2 V DC (pulse) KEY return signal 4