Pioneer PDP-507XC Service Manual page 292

5
10.6
PROCESSING IN ABNORMALITY
Speaker short-circuit
Circuit diagram
AUDIO Assy
Specifications for port monitoring
Port Name SD/PD Indication Assigned Pin
A_NG_B AUDIO
Power supply and DC-DC converter
Circuit diagram
POWER SUPPLY Unit
SW_REG
POWER
SW
RELAY
MODULE_Ucom
DIGITAL ASSY
Specifications for port monitoring
Port Name SD/PD Indication Assigned Pin
RST2 ASIC power
RST3 AC power
RST4 MAIN power
5
6
A_NG_B
POWER
AMP IC
Shutdown with L
V+3.3V_UCOM
Inverter
V+5.1V
DC/DC Converter
Shutdown with L
AC_OFF with H
Shutdown with L
6
7
MAIN Assy
V+12V
PULL_U
A_NG_B
PULL_D
Active
MAIN Assy
RST3
V+12V
PULL_U
RST4
V+3.3V_D
PULL_D
PULL_U
RST2
PSW1
Command
Active
PDP-507XD
7
8
MAIN_UCOM
MAIN_UCOM IF_UCOM
AC shutdown
detection
Voltage
detection
Startup
Main ucom
ACTIVE
Voltage
detection
DC_DC Converter
output control
PON/POFF
Command
8
A
B
C
D
E
F
183