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MEX-BT4000E/BT4000P/BT4000U/BT4050U/BT4054U
5
NOTE FOR REPLACEMENT OF THE USB CONNEC-
TOR (CN971) 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-
TOR (CN971) 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 seven terminals of the connector and three terminals of
the jack.
SERVO board
(CN401)
(CN401)
MAIN board
(CN700)
(CN700)
extension cable (CD mecha)
KEY board
front panel
USB (socket) connector
(CN971)
(CN971)
AUX jack
(J901)
(J901)
TEST DISCS
Use following TEST DISC when this set confi rms the operation
and checks it.
Use following TEST DISC when this set confi rms the operation
and checks it.
Part No.
Description
3-702-101-01
DISC (YEDS-18), TEST (for CD)
4-225-203-01
DISC (PATD-012), TEST (for CD)
NOTE FOR REPLACEMENT OF THE BT BOARD
When repairing, the complete BT board should be replaced since
any parts in the BT board cannot be repaired.
When repairing, the complete BT board should be replaced since
any parts in the BT board cannot be repaired.
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 (U) ASSY 08 (Former type) or MECHANICAL
BLOCK (11CA) ASSY (New type).
When the SENSOR board is defective, exchange the MECHANI-
CAL BLOCK (U) 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 8.
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 8.
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)
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