If-1278 Board - Sony HDC4300 Service Manual

4-6-2.

IF-1278 Board

Preparation
1. Remove the inside panel assembly. (Refer
2. Remove the outside panel assembly. (Refer
3. Remove the front assembly. (Refer
4. Remove the front panel assembly. (Refer
Procedure
1. Disconnect the four fine-wire coaxial cables from the four connectors (CN001, CN002, CN003, CN005) on the
IF-1278 board.
Fine-wire coaxial cable
CN003
CN002
CN001
Fine-wire coaxial cable
2. Remove the four screws, and draw the IF-1278 board.
3. Disconnect the harness from the connector (CN004) on the IF-1278 board.
IF-1278 board
PSW2 x 5
4. Install the removed parts by reversing the steps of removal.
HDC4300
to"4-2. Inside Panel
to"4-3-1. Outside Panel
to"4-5. Front Assembly")
to"4-6-1. OHB Assembly")
CN005
Harness
CN004
Assembly")
Assembly")
IF-1278 board
Fine-wire coaxial cables
4-20