Circuit Diagram; Block Diagram - Sharp Z-21 Service Manual

[12] CIRCUIT DIAGRAM

1. BLOCK DIAGRAM

Z-21
DC Power supply PWB
INLET
TPS
AC
HL
VH (31V)
RRS
VH (31V)
THS
Development
cartridge
TCS
DVB
Z-26
DC Power supply PWB
INLET
TPS
AC
HL
VH (31V)
RRS
VH (31V)
THS
VH (31V)
RFS
Development
cartridge
TCS
DVB
Bias circuit
Bias circuit
Main PWB
TPS
PID
TCS
RRS-A
RRS-B
THS
HL
DVB
CPU
IC203
VD (5V)
V18 (18V)
FW
VH (31V)
Main PWB
TPS
PID
TCS
RRS-A
RRS-B
THS
PFS
HL
DVB
CPU
IC203
VD (5V)
V18 (18V)
FW
VH (31V)
– 32 –
Operation panel
PWB
VD (5V)
Copy lamp control
circuit
High voltage
circuit
Heater lamp control
circuit
Operation panel
PWB
VD (5V)
Copy lamp control
circuit
High voltage
circuit
Heater lamp control
circuit
AE sensor
PWB
CL (AC)
TC
MC
SB
GB
GB
M
VH (31V)
MES PWB
AE sensor
PWB
CL (AC)
TC
MC
SB
GB
GB
M
VH (31V)
MES PWB