Gm Board Removal; A1 Board (Or A2 Board) And Kd Board Removal - Sony KDF-E55A20 Service Manual

1-7. GM BOARD REMOVAL

Disconnect three connectors
(CN1611, CN1608 & CN1612)
Disconnect three ground wires
(CN1603, CN1604 and CN1605)

1-8. A1 BOARD (OR A2 BOARD) AND KD BOARD REMOVAL

The A1 Board and the KD Board are only in SN 9,000,001 to 9,099,999 and 9,800,001 to 9,899,999
The A2 Board is only in SN 9,100,001 to 9,799,999 and 9,900,001 and up
Disconnect two connectors
(CN4705 and CN4702)
Unfasten two Circuit Board Supports
Disconnect two connectors
(CN8003 and CN8008)
and coax cable from tuner
Gently pull back
on the three clips
on the Pin Connection slots
while slowly lifting the A board
Remove cables
from purse locks
KDF-E55A20/E60A20
6
2
Claw
4
6
2
4
3
1
A1 board
GM board
1
Disconnect the Power cord
from CN1602 connector.
5
Remove wires from purse locks
8
Unfasten two Circuit Board Supports
9
Gently pull back on the three clips
on the pin connection slots
while slowly lifting the GM board.
5 Gently pull back
on the two clips
on the Pin Connection slots
while slowly lifting the KD board
KD board
KDF-E55A20/E60A20
17