Sony KDP-51WS550 Training Manual page 5

D
Field
Repairable
(Cont.)
DS
Field
Repairable
G2
Field
Repairable
HA
Field
Repairable
HB
Field
Repairable
QH
NOT Field
Repairable
MA
NOT Field
Repairable
Q-Box Module
1. AX-1 Chasis PCB Interconnections and Functional Descriptions
•
Protection
Circuits
HV Protect
HD Drive
Protect
Beam Current
Protect
+135 OVP/OCP
•
Sub-
Deflection
Drive Amps
•
Q-Box
Power
Supply
•
+9V
•
+5V Reg
•
•
Key Input
•
LED
•
IR Sensor
•
Front Video
Input
•
I-Link Input
•
Memory
Stick
Interface
Board
•
Main Micro
•
PF Micro
•
Video
Processor
•
CRT RGB
Drive
•
Audio
Processor
•
5V Reg.
•
3.3V Reg.
•
•
Size & Geometry
•
Check G2
•
Check Electrical
Focus
•
Check Hold-
Down
•
Touch-up
Registration
•
Main &Sub
Contrast
•
Color & Hue
•
S-Lin
•
White Balance
•
Color Balance
•
Sub Bright
•
Write A0-Main
Data
•
Write A2-PF
Data
3
Cannot be
disconnected. Unit
will not be powered
ON. Two relay clicks
can be heard (AC
Relay ON and then
OFF). No self-
diagnostic
Stdby/Timer LED
flash sequence.
Can be
disconnected. Unit
will remain powered.
With total mis-
convergence
displayed.
Cannot be
completely
disconnected
because it supplies
the Primary Supply
with DC Start
Voltage (PRI-VCC).
Can be Unloaded
(disconnect
Secondary voltages).
Can be
disconnected. Unit
will remain powered.
Can be
disconnected. Unit
will remain powered.
Can be
disconnected. Unit
will remain powered.
Cannot be
disconnected.
Can be