Sony Betacam SX DNV-5 Maintenance Manual page 103

Removal
1. CTL/FE head assembly removal
(1) Disconnect connector CN505 on the MDC-5
board.
(2) Remove the three screws, then remove the
CTL/FE head assembly from the unit.
n
Take a great care that the screwdriver does not
damage the video head, drum, erase head, tape
guide, and other parts.
2. CTL head replacement
(1) Desolder the two lead wires connected to the
CTL head.
(2) Remove the two screws at the back of the
CTL head, then remove the CTL head.
(3) After cleaning a contact surface of a new
CTL head, install it with two screws.
(4) Solder the two lead wires to the printed
circuit board of the CTL head.
(Refer to step (1) in procedure 2.)
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Connect the lead wires to their right destinations
with attention to the color of wires. Improper
connection causes a serious trouble to the tape
compatibility.
DNV-5
DNW-7/90/90WS
MDC-5 board
Lead wire (red)
CTL head
3-3-6. CTL Head Replacement
Screws (M1.4 x 3.5)
CTL/FE head assembly
CN505
Lead wire (gray)
CTL head
Screws (M2 x 5)
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