Pioneer PDP-4270XA Service Manual page 47

5
P1
SECONDARY
+16.5V
+6.5V
VSUS
P2
+16.5V
+6.5V
P7
VSUS_CONT
Z901
P6
+60V
P5
+16.5V
P4
+12V
STB3.3V
To
VSUS_ADJ
PS_PD
MAIN
EXT_PD
RELAY
Assy P8
+6.5V
M2
+12V
+16.5V
+5.1V
L371
Q373
Switching
P9
STB5.1V
STB3.3V
+35V
To
P12
+6.5V
MAIN
+12V
STB3.3V
Assy
M3
D24
V+3V_EEP
V+3V_D
V+1V_D
VH_UV_PD, YDRIVE_PD
YRESNC_PD,
YDD_CHV_PD
SCL,
Vofs_ADJ,
SDA
DAC
SCAN
YSUS
STOP_SQ
Pulse SQ_SD
Width
YPR-U
MASK
OR
V+8V
UART
SW
LVDS
V+8V
FlashMemory
IC3301
LED_R
LED_B
V+3V_D
MSEL
V+3VACTV
YOBI
D12
42 DIGITAL ASSY
42 ADDRESS
ASSY
AD1 CN1501
(PEE002A-K)
V+3V
V+8V AN/P BN/P
LVDS Receiver
CN/P DN/P CLKN/P
Resonance
Block
V+ADR5
CLK/LE/HBLK/LBLK
R/G/B
IC1555 IC1554
Driver IC Driver IC
5
6
POWER SUPPLY
PRIMARY
Switching
T251
UNIT
Q253
Q252
Switching
+390V PFC Q203
Q204
T281 Z281
Switching
P11
D123
+35V
T301 Q301
+16.5V
Switching
+12V
+6.5V
T121
Z121
Switching
D121
RL102 P10
DRF
D11
V+8V
+12V
REG.
Vsus_AD
RELAY, PD_TRG_B,
RELAY
AND
DC-DC CONVERTER
MODULE
AXY1137- +12V
PS_PWDN
XSUSTN_PD, XDD_CNV_PD,
R V Ext_P
PD_MUTE
DRF_
MODULE UCOM
XSUS
M30620FCPGP
IC3151
V+8V
PSIZE
V+8V
SUB-FILD CONV.
&
XY DRV SEQUENCE
PATTERN GEN.
PEG239A-K
LVDS
IC3401
VD
HD
H DET
To
MAIN
Assy
D11
M1
AD2 CN1502
V+5V V+60V
IC1501
Resonance
Block
V+ADR1
IC1553 IC1552
Driver IC Driver IC
6
7
RC101
NEUTRAL
LIVE
P3
POWER SW
AD1 CN1501
(PEE002A-K)
V+3V
V+8V AN/P BN/P
CN/P DN/P CLKN/P
Resonance
Block
V+ADR5
CLK/LE/HBLK/LBLK
R/G/B
IC1555 IC1554
Driver IC Driver IC
PDP-427XD
7
8
: Wire haerness
: FFC
SUS CLAMP 1
VSUS
CL1
42 X DRIVE ASSY
+16.5V
VRN
+16.5V +5V
DC/DC VRN
Conv.
IC1101
DK Mod.
– Reset
Block
X1
Resonance
+16.5V +5V VSUS
Block
Logic
SUS OUT
Block
IC1202
Mask
Mod.
Drive Signal
+5V
+6.5V
+16.5V VF
Regulator
15V
+16.5V
DC/DC
VSUS
X2
Conv.
VSUS
+5V
X4 X3
VSUS
CL2
SUS CLAMP 2
AC INLET
42 ADDRESS
ASSY
AD2 CN1502
V+5V V+60V
IC1501
LVDS Receiver
Resonance
Block
V+ADR1
IC1553 IC1552
Driver IC Driver IC
8
A
ASSY
B
PSUS
C
ASSY
D
E
F
47