Power Supply - Pioneer PDP-R05U Service Manual

1

3.1.5 POWER SUPPLY

QQ
3 7 63 1515 0
PS_MOD
V+16.5V
A
RELAY
V+12V
SW
_REG
RELAY
V+6.5V
V+3VSTB
SW
_REG
B
C
TE
L 13942296513
Always
current-carrying part
Current-carrying part
in ACTIVE
Current-carrying part
in RELAY
Current-carrying part
in PSW1
D
Port (Black) : Control
Port Name (H:active)
Port (White) : Control
Port Name (L:active)
E
www
F
20
1
http://www.xiaoyu163.com
2
AV_BOARD
R8508
IC8506
COM_SW
ACTIVE
U8502
DC/DC_CONV
PSW1
IC8503
DC/DC_CONV
U8503
DC/DC_CONV
U8504
DC/DC_CONV
Q8511
FET_SW
US_ILK_
Q8504 V+5STB
R8501
REG
V+9V
IC8504
R8524
REG
x ao V+5V
IC8505
R8536
y
REG
V+3_US
IC8502
R8503
. i REG
2
http://www.xiaoyu163.com
3
8
MAIN_BOARD
V+16.5V
V+6.5V
V+3VSTB
V+3COM
V+3V_DD
V+1V_DD
R7456
R7455
PSW1
Q Q
3 6 7
DT_MOD
V+12V
V+6.5VD
V+6.5VA
V+30V
Q8501
REG
V+5VD
V+5VA
V+1.8VD
V+3.3VD
V+3.3VA
V+2.5VD
V+3.3V2
LED_ASSY
V+3VSTB
SR_ASSY
V+3VSTB
V+5VSTB
u163
PDP-R05U
3
4
2 9 9 4
FAN_MOD
IC7211
REG
PANEL side
MDR_ASSY
• LED and around it
• Communication
• REM, KEY
BUFF between
PANEL
• Main Microcomputer and around it
• IC2 and around IC2
• IC3 and around IC3
• IC1 and around IC1
V+1V_IC1
IC7456
REG
• DVI_Tx and around DVI_Tx
• HDMI_Rx and around HDMI_Rx
V+5V_A
IC7454
REG
• A/D and around A/D
V+3V_A
IC7453
REG
• LPF and around LPF
• SINC separation and around it
• MIX SW and around MIX SW
• Video Filter for IC1 (discrete)
• DDC Buffer (discrete)
1 3 1 5 0 5 8 2 9
Refer to the next page.
• LED and around LED
• 232C Driver and around it
• SR Interface( discrete
• FE and around FE
m
• Multiplex and around it
• AV_SW and around AV_SW
co
• Component SW and around it
• CCD Microcomputer and around it
.
• IF
Microcomputer
4
2 8
9 9
and around it
9 4 2 8 9 9
)
and around it