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Pioneer PDP-507XD Service Manual

Pioneer PDP-507XD
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PDP-507XD
182
1234
1234
C
D
F
A
B
E
10.5 SPECIFICATION ABOUT THE THERMAL PROTECTION
When executing [FCNS00], [FCNS01], [FCNS02] command, detect the FAN_NG signal. When NG is detected, it becomes shutdown.
When [FCNS03] command is executed, FAN_NG detection is not operated.
The change of HI / LO have hysterisis curve below.
T4
(Outside air
55 ºC)
T3
(Outside air
40 ºC)
T2
(Outside air
37 ºC)
T1
(Outside air
33 ºC)
T0
(Outside air
30 ºC)
FAN: STOP FAN: LO FAN: HIGH FAN: HIGH SDFAN: LO FAN: LOFAN: STOP
Reading Value of the Sensor and FAN Drive
Unit State and Fan Drive
Operation when executing FAN control command
Assign
AD Value
10 bit
Aims
(Sensor Position)
Aims
(Outside Air)
Pin 76 TEMP2
T4 setting 440 55 ºC 55 ºC
T3 setting 568 40 ºC 40 ºC
T2 setting 592 37 ºC 37 ºC
T1 setting 627 33 ºC 33 ºC
T0 setting 653 30 ºC 30 ºC
Assign FAN: HIGH FAN: LO STOP
Pin 149 (FAN_CONT) H H L
Pin 17 (FAN_CONT_POW) H L
POWER PSW1 State Control FAN Operation
ON ON ON According to the reading value of above table sensor. HIGH or LO
ON ON DT_REC According to the reading value of above table sensor. HIGH or LO
OFF STB FAN_CONT: "L" OFF
REG
Vo
H: On
L: Off
H: Vo = 9.5 V
L: Vo = 7 V
Vref=2.64V
MAIN UCOM
17
149
FAN_Vcc
[System block diagram]

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Pioneer PDP-507XD Specifications

General IconGeneral
Comb filter3D
Aspect ratio16:9
Product colorBlack
Noise reductionYes
Display diagonal50 \
Display brightness1100 cd/m²
Display resolution1365 x 768 pixels
Display technologyPlasma
Viewable size diagonal1270 mm
Contrast ratio (typical)4000:1

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