Casio V-R7000 Service Manual page 40

• Do not mix up the connectors for the speaker and the microphone.
Speaker (Lead wires: red, black)
A black dot is marked on the PCB side connector.
D. PCB UNIT/IOC
NOTE: The PCB UNIT/IOC cannot be removed if the PCB UNIT/MAIN is not removed yet.
D-1. Disconnect two connectors. (Three connectors for the Dallas key model)
D-2. Disconnect one connector.
D-3. Peel off one tape, release the connector lock, and disconnect the FPC.
D-4. Undo four screws.
Screw (S3)
Tape  Unlock
TIPS: Fuse information
FU1
4
Connectors
 FPC Connector (Dallas key)
FU2
– 36 –
Microphone (Lead wires: red, white)
FFC
V-R7000/V-R7100
PCB UNIT/IOC