Main Board Ass'y - Roland Color Camm Pro PC-60 Service Notes

2 Electrical Section

2-2 MAIN BOARD ASS'Y [7435214000-00]

DESCRIPTION
CPU used on the MAIN BOARD is different depending on the revision number of the board.
It is necessary to select the suitable program for each CPU.
Selection can be done by the DIP SW bit#4 on the MAIN BOARD. (Refer to the table below.)
DIP SW
N o .
1
2
3
2
4 CPU SELECTION
Electric Maintenance Part
I C . N o .
IC 1
IC 2
IC 3
IC 4
IC 14
IC 15
IC 19
IC 20
IC 21
IC 24
IC 27
Q 11
Q 13
10
FUNCTION O N
Reserved
Reserved
Reserved
MAIN BOARD REVISION
2.0 and above
Parts No.
15199905
15189105
15189105
15189105
15189105
15189105
15199111
15199112
15159102
15169146
15169146
15139105
15129444
O F F
ALWAYS OFF
ALWAYS OFF
ALWAYS OFF
MAIN BOARD REVISION
1.9 and below.
Description Function
DS14C238WM RS232C
MTD2005 Solenoid Motor Driver
MTD2005 Carriage Motor Driver
MTD2005 Ribbon Winding Driver
MTD2005 Grit Motor Driver
MTD2005 Head UP/DOWN Driver
SI-3050J +5V Regulator IC
LM2576HVT +HV Regulator IC
SN75LBC775 RS-422
SN74ACT1284 Centronics
SN74ACT1284 Centronics
2SK973 FANPWM
2SB1551 Motor Power Supply
Indicates revision of the circuit board.