Sharp LC-20A2U, Service Manual

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8
LC-20A2U
REMOVING OF MAJOR PARTS
1. Detach the terminal cover.
2. Remove the four lock screws from the table stand.
3. Remove the four lock screws each from the left and right speakers. Disconnect the connectors
and detach the speaker assemblies.
4. Remove the ten lock screws from the terminals.
5. Remove the five lock screws from the cabinet B.
6. Undo the nine hooks off the cabinet B: Press the hook 6-1 first and then the hooks 6-2 thru
6-9 in this order. Detach the cabinet B.
7. Undo the six wire holders and peel off the 9 pieces of tape. Disconnect the connection
cables.
(Note: Some pieces of tape are located below the PWBs. To access such tape, detach the
PWBs, peel off the tape and disconnect the cables.)
8. Disconnect the connectors from the PWBs.
2
Table Stand
Table Stand (Cover)
Cabinet B
Cabinet A
5
4
1
Terminal Cover
6-7
6-8
6-9
6-6
6-5
6-4
6-3
6-2
6-1
3
3
Speaker Assembly (Left)
Speaker Assembly (Right)
SC1201
SC1202
P753
P701
P7305
P303
P754
P755
P2001
P7102
P7101
P7301
SC3401
SC3405
SC7001
SC401
P3701
P7751
P7753
P7755
P4004
P3206
(INVERTER
Unit)
(TERMINAL Unit)
(OPERATION Unit)
8
8
8
7
8
8
8
7
7
7
Tape
Speaker (Right)
Connection Cable
Tape
Tape
Tape
Tape
Tape
(MAIN Unit)
7
7
Terminal PWB Holder
Speaker (Left)
Connection Cable
(Y/C
SEPARATION
Unit)