Brother International HL 2060 Service Manual - Page 46
High-Voltage Power Supply Block Diagram 1
UPC - 012502525325
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P2 /HV1AC 1 DNSTY 5 /HV1DC 2 /DBAC 3 /DBDC 4 /HVHALF 16 PRIMARY HIGH-VOLTAGE AC Sin Wave Generator Current Buffer Control Unit (Feedback Circuit) (ON / OFF Circuit) Pulse Generator PULSE PRIMARY HIGH-VOLTAGE DC Current Buffer Current Buffer Control Unit (Feedback Circuit) (DNSTY Control Circuit) (ON / OFF Circuit) DEVELOPER BIAS AC Pulse Generator Current Buffer Control Unit (Feedback Circuit) (ON / OFF Circuit) PULSE DEVELOPER BIAS DC Current Buffer Current Buffer Control Unit (Feedback Circuit) (DNSTY Control Circuit) (ON / OFF Circuit) High-Voltage Electrode P5 High-Voltage Electrode P4 DBOUT Figure 3.10 High-Voltage Power Supply Block Diagram 1 III-13
III-13
Current
Buffer
Current
Buffer
Current
Buffer
Current
Buffer
Current
Buffer
Current
Buffer
Sin Wave
Generator
High-Voltage
Electrode
P5
Control Unit
(Feedback Circuit)
(ON / OFF Circuit)
Pulse
Generator
Control Unit
(DNSTY Control Circuit)
(ON / OFF Circuit)
(Feedback Circuit)
Pulse
Generator
Control Unit
(Feedback Circuit)
(ON / OFF Circuit)
Control Unit
(DNSTY Control Circuit)
(ON / OFF Circuit)
(Feedback Circuit)
PULSE
DEVELOPER BIAS DC
DEVELOPER BIAS AC
PULSE
PRIMARY HIGH-VOLTAGE DC
PRIMARY HIGH-VOLTAGE AC
1
5
2
3
4
/HV1AC
DNSTY
/HV1DC
/DBAC
/DBDC
P2
High-Voltage
Electrode
P4
DBOUT
16
/HVHALF
Figure 3.10 High-Voltage Power Supply Block Diagram 1