Power Supply - Pioneer PDP-R05E Service Manual

5

3.1.7 POWER SUPPLY

PS_MOD AV_BOARD
V+16.5V
RELAY
V+12V
SW_REG
RELAY
V+6.5V
V+SB3VT
SW_REG
V+12VSTB
K
Always
current- carrying lines
Current-carrying lines
in ACTIVE STAND-BY
Current-carrying lines
in RELAY
Current-carrying lines
in PSW1
Port (Black frame)
Control port name(H active)
Port (White frame)
Control port name(L active)
5
6
B
IC8509
COM_SW
ACTIVE
U8502
DC/DC_CONV
PSW1
IC8503
Q8518
DC/DC_CONV
IC8502
DC/DC_CONV
Q8550
V+5STB
R8550
REG
IC8504
V+9V
R8525
REG
I I C8505 V+5V
R8528
REG
IC8506
V+5V
R8531
REG
V+3V
IC8507
R8543
REG
V+2V
IC8508
R8545
REG
PSW1
PDP-R05E
6
7
MAIN_BOARD
V+12V
A
V+6.5V
MDR_ASSY
V+3VSTB
• Communication
V+3COM
BUFF between
PANEL
V+3V_DD
V+1V_DD
R7456
R7455
PSW1
DTB_MOD
V+12V_EU
V+30V
REG
V+1.8_DD
V+3V_DD
V+6.5_ON
PC CARD_MOD
V+3V_DD
V+5V_A
LED_ASSY
V+3VSTB
SR_ASSY
V+3VSTB
V+5VSTB
Q8511 FET_SW
7
8
FAN_MOD
IC7211
REG
E
PANEL side
• LED and around it
• REM, KEY and
around it
• Main Ucom and around it
• IC2 and around it
• IC3 and around it
• IC1 and around it
V+1V_IC1
IC7456
REG
• DVI_Tx and around it
• HDMI_Rx and around it
V+5V_A
IC7454
REG
• Video A/D and around it
V+3V_A
IC7453
REG
• LPF and around it
• Sync separator and around it
• MIX_SW and around it
• Video filter for IC1 (discrete)
• DD Converter (discrete)
H
• LED and around it
F
• 232C driver and around it
• SR interface (discrete )
• Multiplex and around it
• AV_SW and around it
• Component SW and around it
• FE and around it
V+3_DR
• TELE TEXT, memory, and SW
• IF Ucom and around it
8
A
B
C
D
E
F
27