Specific Service Instructions - JVC TV-20F242 Service Manual

SPECIFIC SERVICE INSTRUCTIONS

1. REMOVAL OF MECHANICAL PARTS
AND P.C. BOARDS
1-1: BACK CABINET (Refer to Fig. 1-1)
Remove the 6 screws 1.
1.
Remove the 2 screws 2 which are used for holding the
2.
Back Cabinet.
Remove the AC cord from the AC cord hook 3.
3.
4. Remove the Back Cabinet in the direction of arrow.
Front Cabinet
1
1
1
2
2
1-2: CRT PCB (Refer to Fig. 1-2)
CAUTION: BEFORE REMOVING THE ANODE CAP,
DISCHARGE ELECTRICITY BECAUSE IT
CONTAINS HIGH VOLTAGE.
BEFORE ATTEMPTING TO REMOVE OR
REPAIR ANY PCB, UNPLUG THE POWER
CORD FROM THE AC SOURCE.
1. Remove the Anode Cap.
(Refer to REMOVAL OF ANODE CAP)
2. Disconnect the following connectors:
(CP802 and CP805).
3. Remove the CRT PCB in the direction of arrow.
Front Cabinet
4
DISASSEMBLY INSTRUCTIONS
1
1
3
1
Back Cabinet
Fig. 1-1
CRT PCB
Fig. 1-2
1-3: TV/VCR BLOCK (Refer to Fig. 1-3)
Remove the 2 screws 1.
1.
2. Disconnect the following connectors:
(CP401, CP502, CP4201 and CP4202).
Unlock the support 2.
3.
4. Remove the TV/VCR Block in the direction of arrow.
Front Cabinet
1-4: MAIN PCB (Refer to Fig. 1-4)
Remove the screw 1.
1.
2. Remove the Main PCB Holder.
Remove the 2 screws 2.
3.
Remove the 3 screws 3.
4.
5. Disconnect the following connectors:
(CP810 and CP820).
6. Remove the Main PCB in the direction of arrow.
Main PCB
Main PCB Holder
1
1
1
2
UP TO
RELEASE
TV/VCR Block
Fig. 1-3
2
2
3
3 3
VCR Block
Fig. 1-4