Chapter 4 - Protection Circuits; Overall Block Diagram - Sony KDS-R50XBR1 Training Manual

Overall Block Diagram

S1-Board
Ambient Temp.
Sensor
S2-Board
Lamp Temp.
Sensor
Optical Block
C-Board
Inside Temp.
Sensor
T1-Board
Lamp Door
Lamp Door (3X)
Switch
T3-Board
Lamp Connector (3X)
Lamp Connection
Switch
TVP-21

Chapter 4 - Protection Circuits

Temp (2X)
Temp (2X)
Temp (2X) I2C Bus
Protection Circuits Overal Block Diagram
SXRD Protection Overall Block
ASU Board
Fan
Error
(4X)
IC5
Lamp HV (5X)
Display Engine
Lamp Prot
(DE)
(Lamp LED Flash)
Microprocessor
Audio Output (7X)
Low B +
(6X)
IC2103
D5V Regulator
Figure 4-1
Diagram
CN2301
0.05V White
1
Fan 1 Lamp
0.05V White
5 Fan 2 Lamp
0.05V White
7 Fan 3 Panel
0.05V White
Fan 4 Chassis
10
Power Supply
Block (Ballast)
Board
AK-Board
Audio
Interface
NOTE: Except for the
Lamp LED all flash
patterns will occur on the
Front Panel
Red Power/Standby LED
Reference
Figure 4-7
for Fan
Locations
K-Board
Digital Audio
Amplifier
65