Read Panasonic AG-TL750E / AG-TL750B Service Manual online
1-3
1.2
DIAGNOSTICS OF MAJOR PC BOARDS
1.2.1
Diagnosing the MAIN and DECK TERMINAL Boards
(1) Remove the top cover and bottom cover as described in
sections 1.1.3 and 1.1.5.
(2) As described in section 1.1.7, disassemble the unit as shown
in Figs. 1-1-7 (b) and (c) before proceeding to the diagnos-
tics of these PC boards.
tics of these PC boards.
1.2.2
Diagnosing the FRONT 1 and FRONT 2 Boards
(1) Remove the top cover and front panel assembly as described
in sections 1.1.3 and 1.1.4.
(2) Remove the FRONT 1 and FRONT 2 boards by pushing the 2
hooks
Ó
and 1 hook
Ô
gently in the direction of arrows g,
then remove the FRONT 1 and FRONT 2 boards and diag-
nose them.
nose them.
(4) Unplug the connectors
Ç
,
Î
,
´
and
Ï
.
Fig. 1-1-7(c)
(5) Unplug the connector
˝
.
(6) Remove the 2 screws
S8
and 2 screws
S9
, then remove
the mechanism assembly in the upward direction.
Fig. 1-1-7(d)
Fig. 1-2-3(a)
(1) Remove the top cover as described in section 1.1.3.
(2) Remove the 2 screws
(2) Remove the 2 screws
S10
.
CAUTION
The supply voltage is input directly into the SW REG.
board ass’y. Be careful not to get an electric shock while
diagnosing and servicing.
The supply voltage is input directly into the SW REG.
board ass’y. Be careful not to get an electric shock while
diagnosing and servicing.
1.2.3
Diagnosing the SW REG. Board
Fig. 1-2-2
Ç
Î
Ï
´
DECK TERMINAL board
MAIN board
˝
S8
S9
Ô
Ó
FRONT 1 board
FRONT 2 board
S10
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