Replacing Fluorescent Indicator Tube; Replacing Parts In Assistant Panel (Accessory); Replacing Inside Relay Board (Cn-2921 Board) - Sony F35 Maintenance Manual

2-4-7. Replacing Fluorescent Indicator Tube

1. Remove the inside panel. (Refer to Section 1-4.)
2. Remove the four screws to detach the fluorescent
indicator tube.
3. Unsolder the harness (VFD) from CN2 on the fluores-
cent indicator tube. (For the soldering of the harness,
refer to the following table.)
Pin No. Signal Name
1 V cc
2 DATA
3 GND
4 SBUSY
5 NC
6 RESET
harness
(VFD)
Screws (M2.6)
Screws
Brown Black
Gray
Red Blue
4. Install the fluorescent indicator tube by reversing the
steps above.
F35
Wire Color
Red
Brown
Black
Gray
_
Blue
Fluorescent indicator tube
(M2.6)
2-5. Replacing Parts in Assistant Panel
(Accessory)
2-5-1. Replacing Inside Relay Board (CN-
2921 Board)
1. Remove the five screws to detach the back cover.
2. Disconnect the harnesses from the connectors (CN2 to
CN7) on the CN-2921 board. (Refer to the following table.)
Ref. No. (Pin) Harness Name
*
CN2 (15P) Harness
(ASSISTANT 15P)
*
CN3 (5P) Harness
(ASSISTANT 5P)
CN4 (8P) Harness (ASSIGN) SW-1332 board,
CN5 (11P) Harness (MENU)
CN6 (4P) Harness (RE SW)
CN7 (6P) Harness (VFD)
* CN2 and CN3 are used only for the assistant panel (accessory).
Harness
(ASSISTANT 5P)
CN6
Harness
(RE SW)
CN3
CN2
Harness
(ASSISTANT 15P)
3. Remove the three screws, and remove the CN-2921 board.
4. Install the inside relay board (CN-2921 board) by
reversing the steps above.
Back cover
Screws (M2.6)
Screws (M2.6)
Connected to
CAMERA (15P) connector
AUX (5P) connector
SW-1336 board
SW-1333 board,
CN-2997 board
SW-1334 board
Fluorescent indicator tube
Harness
(ASSIGN)
CN4
Harness
(VFD)
Harness
(MENU)
CN7
CN5
CN-2921 board
(side A)
CN-2921 board
Screws (M2.6)
2-11