Read Sony HCD-GZR888D / HCD-GZR999D / MHC-GZR888D / MHC-GZR999D Service Manual online
HCD-GZR888D/GZR999D
6
SECTION 1
SERVICING NOTES
Notes on Disconnecting Between the OP Section (DVBU101)
and the DMB19 Board
and the DMB19 Board
Note: When disconnecting between the OP section (DVBU101) and the
DMB19 board, be sure to make a solder brige for electrostatic pre-
vention as illustrated in the fi gure (before disconnection).
vention as illustrated in the fi gure (before disconnection).
On the contrary, when installing the OP section, never remove the
solder bride until the OP section and the DMB19 board are con-
nected.
nected.
Be sure to remove the solder bridge after the OP section and the
DMB19 board have been connected.
Perform solder bridging
to prevent damage by
electrostatic discharge
when handling the BU
as a single unit.
to prevent damage by
electrostatic discharge
when handling the BU
as a single unit.
Note of Replacing the IC401 on the POWER AMP Board
(HCD-GZR999D only)
The IC401 is limited to the stock quantity of service parts.
When the IC401 cannot be obtained, exchange the complete POW-
ER AMP board.
However, when the complete POWER AMP board is exchanged,
you must also exchange the IC501 on the MAIN board to Type B
at the same time.
Refer to following fl owchart.
(HCD-GZR999D only)
The IC401 is limited to the stock quantity of service parts.
When the IC401 cannot be obtained, exchange the complete POW-
ER AMP board.
However, when the complete POWER AMP board is exchanged,
you must also exchange the IC501 on the MAIN board to Type B
at the same time.
Refer to following fl owchart.
Repair start
Repair comfirmation
of IC401
IC401 exchange
Complete
POWER AMP
board exchange
IC501 on the
MAIN board
exchange to Type B
Operation check
Part procurement
of IC401
NG
OK
Repair completion
Manual Opening and Closing the DVD Tray
As illustrated, insert a fl athead screwdriver and give a turn to the
left to put the DVD tray out.
As illustrated, insert a fl athead screwdriver and give a turn to the
left to put the DVD tray out.
1
2
As illustrated, insert a flathead screwdriver
and give a turn to the left to put the DVD tray out.
and give a turn to the left to put the DVD tray out.
flathead screwdriver
DVD tray
Ver. 1.5
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