Sharp MX-M550U Service Manual page 340

B. Main charger section
No. Name
1 Screen grid
2 Sawtooth plate
B16B-PH-K-S
PS-187(RD)
DSW-F
MHV GND2
GND2
PS-187(YL) /GBPWM
GB /MHVREM
MHV-T
FPS-187(WH) HV
/THV+PWM
THV THV+REM
/CHV-PWM
PS-187(GR) /CHV-REM
/CHVACPWM
Bias
/CHVACREM
/DVPWM
/DVREM
HVREM
+24V1
Charges the OPC drum evenly / Charges the OPC drum
Charges the OPC drum
MX-M700N PHOTOCONDUCTOR SECTION J – 2
CN-1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
2
1
Function/Operation
PCU PWB
CN-15
B34B-PHDSS-B
1 DSW-F
2 (NC)
3 GND2
4 GND2
5 /GBPWM
6 /MHVREM
7 MHV-T
8 /THV+PWM
9 THV+REM
10 /CHV-PWM
11 /CHV-REM
12 /CHVACPWM
13 /CHVACREM
14 /DVPWM
15 /DVREM
16 HVREM
17 +24V1
18 (NC)
19 GND2
2
1