Overall Block Diagram (2/2) - Pioneer PDP-425CMX Service Manual

1

3.4 OVERALL BLOCK DIAGRAM (2/2)

General Block Diagram (2/2)
A
PDP Module
B
C
D1
G
H
D2
D
E
A
B
C
D
E
F
F
30
1
2
Scan Signal
VH
IC2801
SCAN B ASSY (UPPER)
IC5V
Scan IC
PSUS
VH
VH IC5V
IC2802
Scan IC
Vprst
IC2803
+5V +16.5V
Y2
Scan IC
IC2252
IC2804
PSUS
Scan IC
IC2805
Scan IC
IC2806
Scan IC
CN2802
Serial Data
CN2702
IC2701
+5V
Scan IC
PSUS IC2253
IC2702
Scan IC
IC2703
Scan IC
IC2704
Scan IC
IC5V
Photo Coupler
IC2705
Scan IC Y3 Block
PSUS
IC2706
IC5V
Scan IC
VH
Scan Signal
AD1 CN1501 AD2
(PEE002A-K)
V+3V IC1501
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 IC1553
Driver IC Driver IC Driver IC
Power Supply Unit AXY1127-
+12V
+6V
+7V
+3.3V
+2.7V
+12V
+3.3V
+12V
+3.3STB
PDP-425CMX
2
3
VSUS VOFS
Vprst
VH DC/DC Conv.
Offset
+ Reset
Block
Block
Vprst Reg.
VSUS
VOFS +16.5V
VOFS
DC/DC
Conv.
Mask
Mod.
VSUS
+5V
+6.5V
Regulator
+16.5V
Y4
+5V
Resonance
Block
VSUS
+5V +16.5V
+16.5V
Logic
Block
IC2101
DK Mod.
Y1
Mask
Mod.
+16.5V
+5V
Soft-D
Block
+16.5V
IC5V
IC5V/VF
DC/DC Y5
VF
Conv.
+5V 60V
Scan Signal Y6
CN1502 AD1
V+5V V+60V
V+8V
Resonance Resonance
Block Block
V+ADR1 V+ADR5
CLK/LE/HBLK/LBLK
IC1552 IC1555
Driver IC Driver IC
+STB3.3V
STB_MUTE_B
EXT_PD
VSUS_ADJ
AC_DET
PD_TRIG_B
P3
3
4
P1
CN1501 AD2 CN1502
(PEE002A-K)
V+5V
V+3V IC1501
AN/P BN/P
LVDS Receiver
CN/P DN/P CLKN/P
R/G/B
IC1554 IC1553
Driver IC Driver IC
P1
+16.5V
+6.5V
Vsus
+16.5V
+16.5V
+6.5V
Vsus
+8V
PS_PD
RELAY
DRF_B
+60V
+60V
4
P6
V+60V
Resonance
Block
V+ADR1
IC1552
Driver IC
P6