Read Sharp PZ-50HV2E (serv.man9) Service Manual online
38
PZ-50HV2, PZ-50HV2E
PZ-50HV2U
PZ-50HV2U
Block Diagram of Power Down Signal System
Address PD
Mute
DIGITAL
DC-DC
X Drive
X DC-DC
OR
OR
PD Circuit
Y Drive
Y DC-DC
OR
Relay
Circuit
AND
OR
OR
OR
D8
D11
8
6
7
4
5
1
2
3
ADR CONNECT
ASSY
(Upper)
DIGITAL VIDEO ASSY
SW POWER
SUPPLY
MODULE
X DRIVE ASSY
Y DRIVE ASSY
ADR CONNECT
ASSY
(Lower)
RESONANCE
ASSY
(Upper)
RESONANCE
ASSY
(Lower)
-
D12
D16
D1
X1
P4
P2
P3
Y1
D17
D15
-
IC1201-pin 8
IC1201-pin 6
D1202 Cathode
DIG_ADR.PD
PD_TRIGGER
Note:
1
-
8
show LED flashing number of times when power down occurred in this route.
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