Pioneer PDP-507CMX Service Manual page 66

1
Name Pin No. Pin name
A
7 VDD+3.3V 3.3V power supply for
analog signals
8 S D A 5 D a
1 S C L 5 C o l
CN1101
2 GND GND
3 VDD+3.3V 3.3V power supply for
analog signals
4 S D A 5 D a
B
FA 1 FAN-CTL Voltage- controllable power supply
CN9003
2 GND GND
3 ALARM Fan lock detect signal
output
C
FB 1 FAN-CTL Voltage- controllable power supply
CN9004
2 GND GND
3 ALARM Fan lock detect signal
output
D
FC 1 +10V Voltage- controllable power
CN311 supply
2 GND D GND
3 NC Non-connection termial
4 ALM OUT Fan lock detect signal
output
FD 1 +10V Voltage- controllable power
E
CN312 supply
2 NC Non-connection termial
3 GND D GND
4 NC Non-connection termial
5 ALM D Fan lock detect signal
output
F
66
1
2
AC power ON
(Power coad
FuNon-connection termialtion
connected to the
wal outlet)
a t n i l e f o h t e 2 I C b u s
k c n i l e f o h t e 2 I C b u s
a t n i l e f o h t e 2 I C b u s
2
3
Basic operation(Numerical unit:Vdc; except for case whwn units are individually indicated)
MAIN POWER "ON"
Power
management
No signal With signal
0 3.3 3.3 0
0 D r u n i g d a a t During data 0
exchange: Clock exchange: Clock
signal signal
(3.3Vac),datanot (3.3Vac),datanot
exchanged: exchanged:
3.3Vdc 3.3Vdc
0 C o l k c s g i n l a u s e d Clock signal used 0
during data during data
transmission(3.3 transmission(3.3
Vac), 3.3Vdc Vac), 3.3Vdc
when no data are when no data are
transmitted transmitted
0 0 0 0
0 3.3 3.3 0
0 D r u n i g d a a t During data 0
exchange: Clock exchange: Clock
signal signal
(3.3Vac),datanot (3.3Vac),datanot
exchanged: exchanged:
3.3Vdc 3.3Vdc
0 11.6Vdc during 11.6Vdc during 0
high-speed high-speed
revolition (Fan revolition (Fan
mode H) ;8.8Vdc mode H) ;8.8Vdc
during medium during medium
speed revolition speed revolition
(Fan mode M) (Fan mode M)
;6.0Vdc during ;6.0Vdc during
low-speed low-speed
revolition (Fan revolition (Fan
mode L) ;0Vdc mode L) ;0Vdc
while the fan is while the fan is
stopped stopped
0 0 0 0
0 0V during normal 0V during normal 0
Fan operation; Fan operation;
3.3Vdc while the 3.3Vdc while the
fan is stopped fan is stopped
0 11.6Vdc during 11.6Vdc during 0
high-speed high-speed
revolition (Fan revolition (Fan
mode H) ;8.8Vdc mode H) ;8.8Vdc
during medium during medium
speed revolition
speed revolition
(Fan mode M) (Fan mode M)
;6.0Vdc during ;6.0Vdc during
low-speed low-speed
revolition (Fan revolition (Fan
mode L) ;0Vdc mode L) ;0Vdc
while the fan is while the fan is
stopped stopped
0 0 0 0
0 0V during normal 0V during normal 0
Fan operation; Fan operation;
3.3Vdc while the 3.3Vdc while the
fan is stopped fan is stopped
0 11.6Vdc during 11.6Vdc during 0
high-speed high-speed
revolition (Fan revolition (Fan
mode H) ;8.8Vdc mode H) ;8.8Vdc
during medium during medium
speed revolition speed revolition
(Fan mode M) (Fan mode M)
;6.0Vdc during ;6.0Vdc during
low-speed low-speed
revolition (Fan revolition (Fan
mode L) ;0Vdc mode L) ;0Vdc
while the fan is while the fan is
stopped stopped
0 0 0 0
- - - -
0 0V during normal 0V during normal 0
Fan operation; Fan operation;
3.3Vdc while the 3.3Vdc while the
fan is stopped fan is stopped
0 11.6Vdc during 11.6Vdc during 0
high-speed high-speed
revolition (Fan revolition (Fan
mode H) ;8.8Vdc mode H) ;8.8Vdc
during medium during medium
speed revolition speed revolition
(Fan mode M) (Fan mode M)
;6.0Vdc during ;6.0Vdc during
low-speed low-speed
revolition (Fan revolition (Fan
mode L) ;0Vdc mode L) ;0Vdc
while the fan is while the fan is
stopped stopped
- - - -
0 0 0 0
- - - -
0 0V during normal 0V during normal 0
Fan operation; Fan operation;
3.3Vdc while the 3.3Vdc while the
fan is stopped fan is stopped
PDP-507CMX
3
4
AC Power OFF
(Power cord
Main power
Standby
pulled out of the
OFF
wall outlet
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
0 0 0
-
- -
0 0 0
0 0 0
-
- -
0 0 0
-
- -
0 0 0
4
Signal direction
(DR : Data Relay)
SEND SENC
SEND SENC
SEND SENC
-
SEND SENC
SEND SENC
MAIN FAN
-
FAN MAIN
DD
MAIN
-
DD MAIN
MAIN DD
-
-
DD MAIN
DD FAN
-
-
-
FAN DD