Pioneer PDP-4280HD, Service Manual

Page: 25 / 176

PDP-4280HD
25
5 6 7 8
5 6
7
8
C
D
F
A
B
E
42 ADDRESS
ASSY
DRIVER IC
IC1552
DRIVER IC
IC1553
DRIVER IC
IC1554
DRIVER IC
IC1551
CLK / LE / HBLK / LBLK
R/G/B
42 ADDRESS
ASSY
DRIVER IC
IC1552
DRIVER IC
IC1553
DRIVER IC
IC1554
DRIVER IC
IC1551
VADR1 VADR2
VADR3
RESO NANC E
BLO C K
RESO NANC E
BLO C K
RESO NANC E
BLO C K
RESO NANC E
BLO C K
VADR4
AD2
C N1502
AD1
C N1501
VADR
V+8V
V+5V
IC 1501
LVDS
Receiver
V+3V
A N/ P B N/ P
C N/ P DN/ P
C LKN/ P
AD2
C N1502
AD1
C N1501
VADR
V+8V
V+5V
IC 1501
LVDS
Receiver
V+3V
A N/ P B N/ P
C N/ P DN/ P
C LKN/ P
CLK / LE / HBLK / LBLK
R/G/B
VDDLS1 VDDLS2
VDDLS3
VDDLS4 VADR1 VADR2
VADR3
RESO NANC E
BLO C K
RESO NANC E
BLO C K
RESO NANC E
BLO C K
RESO NANC E
BLO C K
VADR4 VDDLS1 VDDLS2
VDDLS3
VDDLS4
Scan IC
Scan IC
Scan IC
Scan IC
Scan IC
Scan IC
Scan IC
Scan IC
Scan IC
Scan IC
Scan IC
Scan IC
Drive Signal
X 1
PSUS
+16.5
X 7
M1
X 3
V 5 +
VADR
OFFSET
BLOCK
VPOFS
VXKOFS1
VXKOFS2
VSUS
SUS
BLOCK
+16.5V
15V
DC/DC
CONV.
VF
Gate Signal
Drive Signal
RESONANCE
BLOCK
PSUS
+16.5V
+5V
VSUS
+6.5V
X 2
REGULATOR
VADR
+5V
OFFSET
Reg.
Drive Signal
SUS
PreDrive
VF +16.5V
VSUS
SUS
BLOCK
VSUS
SUS
BLOCK
SOFT-D
+16.5
XPRST
+16.5 VSUS
+16.5V
PSUS
LOGIC
BLOCK
VPOFS
42 X DRIVE ASSY
XGA
POWER SW
ASSY
RC101
POWER SUPPLY UNIT
RL102
for
Relay Drive
LIVE
AC INLET
PRIMARY SECONDARY
+35V
+60V
VSUS
T281
PFC Q203
Q204
PS_PD
RELAY
EXT_PD
+390V
D123
D121
T251
T301
T121
P3
P1
P2
P7
P6
P5
P8
+16.5V
+6.5V
VSUS_CONT
VSUS_ADJ
Q252
Q253
Switching
Switching
P4
+12V
L371
Switching
Q373
+5.1V
P9
Switching
Z121
P12
STB5.1V
STB3.3V
STB3.3V
+12V
STB5.1V
P11
P10
+16.5V
+16.5V
+12V
+6.5V
+16.5V
+6.5V
+35V
+16.5V
+12V
+6.5V
Switching
Z281
Switching
Q301
F101
D131
Z901
Z152
DRF_SW_B
AC_DET
M_SW_DET
PD_TRIG_B
DRF_B
US_SW
E
Y
S
D
_ Q
_
_
_ Q
_
_ Q
D
_
_
_
_ T
V+3V_D
V+3V_D
V+3V_D
V+3VACTV
CLKD
CLKS
V+8V
V+3V_D
V+3V_D
V+3V_D
V+1V_D
ADDRESS
L1
ADDRESS
L2
ADDRESS
L3
ADDRESS
L4
A
D
0LVDS
[0:9
]
RA+
D15
RA- RB+
RA
[0:9
]
RA
[0:9
]
RB-
GA[0:9]
GA[0:9]
BA
[0:9
]
BA
[0:9
]
A
D
1LVDS
[0:9
]
RC+
SYNC
[0:3
]
SYNC
[0:3
]
D16
D11
RC- RD+ RD-
A
D
2LVDS
[0:9
]
RE+
D17
RE-
D
S
H
V S
THEATER
THEATER
R (
G (
B (
RCLK+ RCLK-
A
D
3LVDS
[0:9
]
INP
_
MUTE
D18
V+3VACTV
LS2
V+3VACTV
TXD MD
UARTRXD
RXD MD
UARTTXD
REQ MD MSEL
V+3VACTV
RELAY2
ADR_PD_MSK YDRV[0:23] XDRV[0:7]
V+3V_D
STOP _SQ
UARTRX
UARTTX
SDIJTAG
DBI
TMS
TCK
TDO
TDI
TRST
RESETX
OFF DE
DL FIN
FUT1
S
FUT2 S
REQ SQ
BUSY S
CE SQ
TXD SQ
RXD SQ
CLK SQ
VKNOFS1
_
2
_
ADJ
SCL
VKNOFS3
_
ADJ
SDA
VKNOFS4
_
ADJ
V+3V_D
XKNOFS2
_
ADJ
V+3V_D
D23
VOFS_ADJ VYPRST
_
ADJ
XKOFS1_ADJ VSUS_ADJ
RS
T
V+3VACTV
V+3VACTV
V+3VACTV
IC
3151
MO
D
U
L
E
U
C
O
M
M
30620F
C
S
G
P
ADRS_PD
Gen.
AND
IC
3
4
0
1
S
EQ
U
EN
C
E
P
R
O
C
ES
S
O
R
.
PE
G
2
3
9
A
-
K
C
N
3301
FL
A
S
H
W
R
IT
E
CO
N
C
T
IC
3
1
5
9
UA
R
T
S
W
T
C
7W
126F
IICC
33
33
00
66
FF
lllaa
sshh
RR
OO
MM
X3
3
0
2
102.
5M
X
_T
A
L
IC
3
0
0
1
L
V
D
S
R
EC
IEV
ER
B
U
8255K
V
T
-
K
OR
IC
3
1
5
8
DA
C
2
M6
2
3
3
9
F
P
SQ1_SD Gen.
IC
3
1
5
7
DA
C
1
M6
2
3
3
4
F
P
IICC
33
33
00
77
SS
RR
AA
MM
CP
U
SW2
MAIN
M3
MAIN
IO6
TANSHI
M2
MAIN