Fwd50Px2 Triage & Troubleshooting; Overall Component Block Diagram - Sony PFM42V1 Triage & Troubleshooting Manual

Overall Component
Block Diagram
Key Control Lines
ACD – Detects the
presence of AC
input. No Red STBY
LED if missing.
Relay – Turns ON
AC input relay. No
Relay click if missing .
VS ON – Turns ON
the VS power supply.
No VS voltage if
missing.
PDP-04
FWD50PX2 Triage & Troubleshooting
Ysus
FWD50PX2
Scan
(YDT)
Board
&
Drive ICs
Ysus
Scan
Board
Ysus
Scan
(YDT)
Board
Single Address
&
Drive ICs
Scan
Power to all Panel
G-Board
Assb. PCBs
Power
AC
CN801
Input
1
Power

Supplies
2
STBY 5V
3
VS ON
7
Video Input 1 (DVI)
Video Input 2 (HD15)
H1-Board
Switches
Optional Video
BKM-V10
Input Boards
Composite Input
BKM-V11
Component Input
Display Panel Assembly
Plasma
Panel
XL address Brd XC address Brd
Control-Board
Panel Pixel Control

Video
A-Board
ACD
RELAY
Video Processing

Audio Processing

Main Microprocessor

Fan Control

AV Switching

Zsus
Scan
Board
XR address Brd
Control
L-Board
Audio
Audio

Amplifier
Control
Fan 1
Control
Fan 2
Control
Fan 3
Control
Fan 4
Control
Fan 5
Control
Fan 6
Data
Temp. Sensor 1
Data
Temp. Sensor 2
Data
Temp. Sensor 3
H2-Board
Power Sw.

IR Sensor

LEDS

L
R
L
R
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