Electrical Parts Layout; Pwbs - Kyocera KM-3050 Service Manual

2-2 Electrical Parts Layout

2-2-1 Electrical parts layout

(1) PWBs

13
1. Engine PWB (EPWB)................................... Controls the other PWBs, electrical components and optional devices.
2. Main PWB (MPWB) ..................................... Controls the image processing and operation panel.
3. Power source PWB (PSPWB) ..................... Generates +24 V DC, 5 V DC and 3.3 V DC; controls the fuser heaters.
4. High voltage PWB (HVTPWB) ..................... Main charging. Generates developing bias and high voltages for transfer.
5. Scanner PWB (SPWB) ................................ Controls the scanning section.
6. Inverter PWB (INPWB) ................................ Controls the exposure lamp.
7. SHD PWB (SHDPWB) ................................. Controls the shading correction and AGC of CCD.
8. CCD PWB (CCDPWB)................................. Reads the image of originals.
9. Main operation unit PWB (OPWB-M)........... Controls touch panel and LCD indication.
10. Right operation unit PWB (OPWB-R) .......... Consists of the operation keys and display LEDs.
11. Left operation unit PWB (OPWB-L) ............. Consists of the operation keys and display LEDs.
12. Upper operation unit PWB (OPWB-U) ......... Consists of the operation keys and display LEDs.
13. Front operation unit PWB (OPWB-F)........... Consists of the display LEDs.
14. LCD inverter PWB (LINPWB) ...................... Controls LCD indication.
15. Laser diode PWB (LDPWB)......................... Generates and controls the laser light.
16. Interface PWB (INPWB)............................... Consists of wiring relay circuits.
11 12
9
5
6
2
1
4
15
3
Figure 2-2-1 PWBs
10
14
8 7
16
2GN/2GP/2GR-2
Machine front
Machine inside
Machine rear
2-2-1