Service manual

6. MAINTENANCE
6.4 Service Manual BSM-4100
CNA9 cable. The EXT7 board has one connector each for the analog
board and cable.
EXT8: Connects the motherboard to the EXT7 board with the CNA9 cable.
The EXT8 board has one connector each for the motherboard and
cable.
• Extension cables
CNA1 (50 cm long): Extends the distance between the MAIN and Inverter
boards.
CNA2 (30 cm long): Extends the distance between the DEBUG2 and DEBUG3
boards. The cable is used for touch screen signals.
CNA3 (30 cm long): Extends the distance between the DEBUG2 and DEBUG3
boards. The cable is used for the LCD unit display signals.
CNA4 (50 cm long): Extends the distance between the DPU board and
motherboard.
CNA5 (20 cm long): Extends the distance between the EXT4 and EXT5 boards.
CNA6 (50 cm long): Extends the distance between the MAIN and EXT1 boards.
CNA7 (50 cm long): Extends the distance between the MAIN and EXT2 boards.
The cable is used for the paper drive motor control signals
and photo sensor signals.
CNA8 (50 cm long): Extends the distance between the MAIN and EXT2 boards.
The cable is used for the thermal array head control
signals.
CNA9 (20 cm long): Extends the distance between the EXT3 and EXT6 boards
and between the EXT8 and EXT7 boards.
CNA10 (50 cm long): Extends the distance between the MAIN and EXT2 boards.
The cable is used for the speaker.
CNA11 (70 cm long): Extends the distance between the MAIN board and power
supply unit.