Sony HDCU3500 Service Manual page 87

3. Remove the ENC assembly.
(1) Disconnect the fine-wire coaxial cable from the connector (CN501) on the ENC-185 board.
(2) Remove the three screws, then remove the ENC assembly in the direction of the arrow.
Note
When attaching the ENC assembly, tighten the screws in the following sequence: (a), (b), (c).
Tip
When attaching the ENC assembly, insert the edges of the ENC-185 board into the two slots of the board
guide.
To IF-1371 board
ENC assembly
Front side
4. Remove the three screws, then remove the radiation plate (55).
5. Remove the screw, then remove the MDC-23 board.
6. Remove the radiation sheet (L) from the MDC-23 board.
7. Remove the four screws, then remove the heat sink retainer, four helical compression springs and heat sink
UB70H20.
8. Remove the six screws, then remove the ENC-185 board.
HDCU3500/HDCU5500
Fine-wire coaxial cable
(c)
Yellow
CN501
(a)
PSW
3 x 8
(b)
ENC-185 board
ENC-185 board
Slots
Slot
2-53