JVC THV70
Service Manual

TH-V70 Removing the main board (See Figs. 11 and 12.)
Remove the top plate. Remove the bottom panel. Remove the top panel. Remove the DVD mechanism assembly. Remove the front panel assembly. Remove the DSP/Audio board.
Main board

M

Insert this wire into the notch. Compulink board Tuner Card wire
CN592 CN805 CN972

M
Fan motor wire Wire clamp

M

1. Disconnect the card wire from connector CN805 on the main board. 2. Remove the wire clamp bundling the fan motor wire and then disconnect the wire from connector CN972 on the main board. 3. Disconnect the card wire from connector CN592 on the compulink board. 4. Remove the five screws M and screw M' attaching the main board. 5. From the rear side of the main body, remove the three screws N attaching the main board. 6. Remove the rear panel with the tuner and compulink board. 7. Take out the main board from the bottom chassis. [Reference] Attaching the main board When attaching the screw M', attach the wire holder together with it. After connecting the wires to the connectors, bundle them using the wire clamp. Insert the DVD mechanism assembly wire into the notch on the bottom chassis. (See Fig. 11.) Fig.12
Wire holder

M'
Fig.11
Rear panel

M

N

Fan motor wire

Wire clamp Tie band
CN972

Removing the fan motor (See Figs. 13 and 14.)
Remove the top plate. Remove the bottom panel. Remove the top panel. Remove the DVD mechanism assembly. 1. Remove the wire clamp and tie band bundling the fan motor wire. 2. Disconnect the wire from connector CN972 on the main board. 3. From the left side of the main body, remove the two screws P attaching the fan motor. [Reference] After mounting the fan motor, bundle the fan motor wire using the wire clamp. Fig.13

Bottom chassis

Fan motor

Front panel assembly

P
Fig.14 1-9