Bi-353/Bf-92 Board; Board (Ods-D280U) - Sony ODS-D280U Service Manual

4-19.

BI-353/BF-92 Board

4-19-1. BI-353 Board (ODS-D280U)
Tip
The following parts cannot be reused. Prepare the new parts.
• Tape AS: 1 pc
• Tape AS 1/2: 1 pc
Preparation
1. Remove the top cover assembly. (Refer to
2. Remove the bottom plate assembly. (Refer to
3. Remove the MC top reinforcing plate. (Refer to
4. Remove the JS bottom duct and heat sink. (Refer to
Procedure
1. Remove the tape AS and tape AS 1/2.
2. Disconnect the harnesses and cables.
(1) Disconnect the two harnesses from the connectors (CN45 and CN195) on the BI-353 board.
(2) Disconnect the two flexible flat cables from the connectors (CN48 and CN683) on the BI-353 board.
(3) Disconnect the flexible wiring board from the connector (CN61) on the BI-353 board.
(4) Disconnect the two fine-wire coaxial cables from the connectors (CN400 and CN401) on the BI-353 board.
Notes on installation
Fine-wire coaxial cable (short)
Tape AS
BI-353 board
Fine-wire coaxial
cable (long)
n
Be careful that the fine-wire coaxial cables do
not ride on the connectors and chip parts.
Flexible flat cable
ODS-D280U/ODS-D280F
"4-2. Top Cover
"4-3. Bottom Plate
"4-4. MC Top Reinforcing
"4-8. Power Supply
Tape AS 1/2
Connector
Connected
from CA lower
BU assembly
Connector
Connected
from CA upper
BU assembly
CN400
CN48
Assembly".)
Assembly".)
Plate".)
Block".)
Tape AS
Fine-fire
coaxial cables
CN683
CN45
CN401 CN195
Tape AS 1/2
Harness
Flexible flat cable
Flexible wiring board
CN61
Harness
Upper side
BI-353 board
Rear side
4-48