SA-PT160E, SA-PT160EB, SA-PT160EG - Panasonic Audio Service Manual (repair manual). Page 6

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Sound stops during a performance.
The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are
“shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used.
If this occurs, follow the procedure outlines below:
 1. Turn off the power.
 2. Determine the cause of the problem and correct it.
 3. Turn on the power once again after one minute.
Note:
When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again.
1.4. Safety Parts Information
Safety Parts List:
There are special components used in this equipment which are important for safety.
These parts are marked by
in the Schematic Diagrams & Replacement Parts List. It is essential that these critical parts
should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original design
without permission of manufacturer.
Table 1
Ref. No.
Part No.
Part Name & Description
Remarks
16
RGRX0058E-P
REAR PANEL
[M] E/EG-S/K
16
RGRX0058E-Q
REAR PANEL
[M] EB-K
28
RKMX0107-1S3
TOP CABINET
[M] E/EG-S
28
RKMX0107-K3
TOP CABINET
[M] E/EB/EG-K
40
N0AZ6GE00005
SMPS MODULE
[M] (RTL)
340
RAE2023Z-S
TRAVERSE UNIT
[M] (RTL)
L1002
J0JBC0000015
INDUCTOR
[M]
L1003
J0JBC0000015
INDUCTOR
[M]
L1004
J0JBC0000015
INDUCTOR
[M]
L1005
J0JBC0000015
INDUCTOR
[M]
L5101
G0AR65Y00001
CHOKE COIL
[M]
L5102
G0AR65Y00001
CHOKE COIL
[M]
L5103
G0AR65Y00001
CHOKE COIL
[M]
L5104
G0AR65Y00001
CHOKE COIL
[M]
L5201
G0AR65Y00001
CHOKE COIL
[M]
L5202
G0AR65Y00001
CHOKE COIL
[M]
L5203
G0AR65Y00001
CHOKE COIL
[M]
L5204
G0AR65Y00001
CHOKE COIL
[M]
L5301
G0AR65Y00001
CHOKE COIL
[M]
L5302
G0AR65Y00001
CHOKE COIL
[M]
L5303
G0AR65Y00001
CHOKE COIL
[M]
L5304
G0AR65Y00001
CHOKE COIL
[M]
A2
K2CQ2CA00007
AC CORD
[M] E/EG-S/K
A2
K2CT3CA00004
AC CORD
[M] EB-K
6
SA-PT160E / SA-PT160EB / SA-PT160EG
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