Read Sony CDX-GT56UI Service Manual online
CDX-GT56UI/GT56UIW
3
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40 °C higher
• Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
• Strong
viscosity
Unleaded solder is more viscous (sticky, less prone to fl ow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
•
Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
also be added to ordinary solder.
EXTENSION CABLE AND SERVICE POSITION
When repairing or servicing this set, connect the jig cable (exten-
sion cable (CD mecha)) as shown below.
When repairing or servicing this set, connect the jig cable (exten-
sion cable (CD mecha)) as shown below.
• Connect the MAIN board (CN700) and the SERVO board
(CN401) with the jig cable.
Jig cable:
Part No.
Part No.
Description
A-1818-424-A
EXTENSION CABLE (CD MECHA)
NOTE FOR REPLACEMENT OF THE USB CONNECTOR
(CN902) AND THE AUX JACK (J901)
To replace the USB connector and the AUX jack requires align-
ment.
1. Insert the USB connector and the AUX jack into the front pan-
(CN902) AND THE AUX JACK (J901)
To replace the USB connector and the AUX jack requires align-
ment.
1. Insert the USB connector and the AUX jack into the front pan-
el.
2. Place the KEY board on the front panel and align the terminals
of the USB connector and the AUX jack with the holes in the
KEY board.
KEY board.
3. Solder the seven terminals of the connector and three terminals
of the jack.
KEY board
front panel
USB (socket) connector
AUX jack
Ver. 1.2
NOTE FOR REPLACEMENT OF THE SERVO BOARD
When repairing, the complete SERVO board should be replaced
since any parts in the SERVO board cannot be repaired.
When repairing, the complete SERVO board should be replaced
since any parts in the SERVO board cannot be repaired.
NOTE FOR REPLACEMENT OF THE SENSOR BOARD
When the SENSOR board is defective, exchange the MECHANI-
CAL BLOCK (Z) ASSY 08 (Former type) or MECHANICAL
BLOCK (11CA) ASSY (New type).
When the SENSOR board is defective, exchange the MECHANI-
CAL BLOCK (Z) ASSY 08 (Former type) or MECHANICAL
BLOCK (11CA) ASSY (New type).
Note: As for the mechanism deck (MG-101CA-188) carried in this
unit, component parts have been changed from the midway
of production. When you perform repair exchange of the
mechanism deck (MG-101CA-188), refer to “ABOUT THE
MG-101CA-188 OF FORMER AND NEW” on page 5.
of production. When you perform repair exchange of the
mechanism deck (MG-101CA-188), refer to “ABOUT THE
MG-101CA-188 OF FORMER AND NEW” on page 5.
CLEANING THE CONNECTORS
The unit may not function properly if the connectors
between the unit and the front panel are not clean. In order
to prevent this, detach the front panel and clean the
connectors with a cotton swab. Do not apply too much force.
Otherwise, the connectors may be damaged.
between the unit and the front panel are not clean. In order
to prevent this, detach the front panel and clean the
connectors with a cotton swab. Do not apply too much force.
Otherwise, the connectors may be damaged.
Notes
t For safety, turn off the ignition before cleaning the connectors,
and remove the key from the ignition switch.
t Never touch the connectors directly with your fingers or with
any metal device.
and remove the key from the ignition switch.
t Never touch the connectors directly with your fingers or with
any metal device.
SERVO board
(CN401)
(CN401)
MAIN board
(CN700)
(CN700)
extension cable (CD mecha)
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