Pioneer PDP-502MX Service Manual page 19

5
Notes: When ordering service parts, be sure to refer to "EXPLODED VIEWS AND PARTS LIST" or "PCB PARTS LIST".
For "PCB PARTS LIST", refer to the service manual ARP3078 for PDP-502MX.
D13 D14 D6
OSD
Gen
Gamma-1
Aspect
RGB
RGB
Conv.
9
DAT
DAT
FIFO
OSD Add
IP
Process
CLP Pulse
Gen.
IP Panel
CPU CPU
8
5V
REG 3.3V
CLP
12V
OC
2
D17
UPV
D16
PD
D20 D22
Vadr
14V
R10V
EG
E26
FAN
FAN
CONT
DRV
BLK
E38
S
E27
E33
Vadr
9V_PIC
5APLL 5V_PIC
-5V_IO A13
12V
9V_SIG
5VBPLL 5_PLD
5V_AD
5V_RGB
13V, 8V, -8V
2MXE
REG
nly
A30 A31
V.ROM
RGB
SCL, SDA
Y,C
YCbCr
GB
RGB
YPbPr
Decoder Y, Col diff Decoder
B
IC1401
Sync
Y
Sepa
YPbPr
Y
Y
Sync
HDVD
SEL
In1/In2
SEL
/In4
EL
VD S C Y
G B HD VBS
Y Pb CS
IN 2
IN 3
K1 K2
CABLE ASSY
5
6
CABLE ASSY
K2 K1
D3 TOP ADR DAT
D5
(64bit * RGB * 20)
Xtal
60M
Sub-Field D7
20
Conv.
ABL
20
RGB
* Field
Dither
DAT
MEM
D8
Xtal
50M
D9
XY DRV
Sequence
DRV
pattern
Sig
Gen.
D10
BOTTOM ADR DAT
(64bit * RGB * 20)
D11
DIGITAL VIDEO ASSY
FAN CABLE B
FAN A
ASSY
FAN
FAN B
DRV B
FAN
FAN C
DRV B
FAN
DRV A
FAN CABLE A
FAN D
ASSY
SENSOR A ASSY
R10V
TEMP
SENS
SENS
IC4101
SENS A
SDAT
SER
PARA Y SEL
CONV.
CONT
Y
3DY/Y/SY SEL
3DY Y
BW_Y
IC1201
3DC
3Line Y/C
3D Y/C for
for
NTSC
C
PAL/60PAL
V/Y
V/Y
C
V/Y
OUT
IN 1
CABLE ASSY
6
IC IC IC IC
VADR
CLKB CLK
VADR
DEF
Gen.
ADR
VADR
U/B/
K2
D/G
Y DRIVE ASSY
5V
Logic
BLK
Vsus
10V
Vsus
DRV Sig.
H1
H4
RN
H5
5V
- Reset
Pulse
VRN
14V
12V Gen.
OFS
PD Pulse
-8V
Gen.
OC
Vofs
IC5V VFZ
12V
14V
D-D
CONV
Vcp
BLK
BLK
-8V
OVP
Vsus
Vsus
10V
D-D CONV
BLK
UVP
OVP
Vofs VRN
VIDEO ASSY
C SEL
NT PAL
FIL FIL
SEC
C SEL
FIL
C
C
FILTER
C
502MX Only
SP(L)
K1 K2
L1
ASSY
L OUT
7
PDP-502MX, PDP-502MXE
IC IC IC IC
VADR
RGB

CLKB
CLK
DEF DEF DEF
12V
5V
3.3V
K1
CABLE ASSY
 
SI ,CLK
5V 12V Vsus
Sustain VH
IC5V
Pulse Gen.
IC3702
H2
-RST
OFS
 
Vcp
Y-SUS
MASK
BLK
VH
OFS IC5V
CP
MSK
Vcp H3
5V 12V Vsus
VH
Sustain

Pulse Gen.
IC3707
K1 K2
CABLE ASSY
7
8
SCAN (A) ASSY
A
IC5V VH
ADD
V1
SEL
PULSE
IC5V VH
ADD
V2
SEL
PULSE
IC5V
VH
ADD
V3
SEL
PULSE
IC5V
VH
ADD
V4
SEL
PULSE
V7
IC5V
VH
ADD
V5
SEL
PULSE
B
IC5V
VH
ADD V6
SEL
PULSE
IC5V VH
ADD
V8
SEL
PULSE
V14
IC5V
VH
ADD
V9
SEL
PULSE
IC5V
VH
ADD
V10
SEL
PULSE
IC5V
VH
ADD
V11
SEL
PULSE
C
IC5V VH
ADD V12
SEL
PULSE
IC5V VH
ADD V13
SEL
PULSE
SCAN (B) ASSY
D
19
8