Sony KE-42MR1 / KE-42MR1E / KE-MR42M1 Service Manual ▷ View online
27
Connector Checking 2
High Voltage Board
- Digital Board
Each Connector
Scan Relay Board
- Flexible Cable
Locked
Unlocked
Common Relay Board
- Flexible Cable
28
Connector Checking 3
Each Connector
Digital Board
- High Voltage Board
High Voltage Board
- Data Relay Board
Locked
Unlocked
High Voltage Board
- Scan Relay Board
29
Tester Checking 1
Fuse
Glass Fuse on High Voltage Board
(F301 、 F302)
OK: Shortage
NG: Opened
Chip Fuse on Digital Board
(FＵ８０１)
OK: Shortage
NG: Opened
30
Tester Checking 2
Fuse
Resistance and Chip Fuse
on High Voltage Board
Fuse Resistance
(R10), (R4), (R6)
Chip Fuse Resistance
(R20)
On High Voltage Board
Fuse Resistance
(R7), (R3)
Chip Resistance
(R9)
On High Voltage Board
R4
R20
R10
R3
R10 OK: About 2.2 Ω
R4 OK: About2.2 Ω
R6 OK: About2.2 Ω
R20 OK: About 10 Ω
NG： Opened
R7 OK: About2.2 Ω
R3 OK: About2.2 Ω
R9 OK: About 10 Ω
NG： Opened
R6
R7
R9
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