SA-PTX7EB, SA-PTX7EG - Panasonic Audio Service Manual (repair manual). Page 7

“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.

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.

Reference No.

Part No.

Part Name & Description

Remarks

340

RAE2025Z-S

TRAVERSE UNIT

[M]

PC701

B3PBA0000402

PHOTO COUPLER

[M]

PC721

B3PBA0000402

PHOTO COUPLER

[M]

TH701

D4CAA5R10001

THERMISTOR

[M]

TH721

D4CAC8R00002

THERMISTOR

[M]

L701

ELF15N035AN

LINE FILTER

[M]

L702

ELF19H010A

CHOKE COIL

[M]

LB102

J0JKB0000020

EMI BEAD CORE

[M]

LB103

J0JKB0000020

EMI BEAD CORE

[M]

LB501

J0JBC0000015

CHIP INDUCTOR

[M]

LB502

J0JBC0000015

CHIP INDUCTOR

[M]

LB503

J0JBC0000015

CHIP INDUCTOR

[M]

LB504

J0JBC0000015

CHIP INDUCTOR

[M]

LB505

J0JBC0000015

CHIP INDUCTOR

[M]

LB506

J0JBC0000015

CHIP INDUCTOR

[M]

LB507

J0JBC0000015

CHIP INDUCTOR

[M]

LB509

J0JBC0000015

CHIP INDUCTOR

[M]

LB510

J0JBC0000015

CHIP INDUCTOR

[M]

LB8701

J0JBC0000015

CHIP INDUCTOR

[M]

T701

ETS19AB221AG

TRANSFORMER

[M]

T721

ETS35BC2K6AD

TRANSFORMER

[M]

T722

G4D1A0000117

SWITCHING TRANSFORMER

[M]

Z701

ERZV10D471CS

ZENER

[M]

RY701

K6B1AEA00015

POWER RELAY

[M]

F701

K5D202BK0005

FUSE 2A

[M]

IP701

K5H302100004

FUSE PROTECTOR

[M]

IP702

K5H2022A0011

FUSE PROTECTOR

[M]

IP703

K5H302100004

FUSE PROTECTOR

[M]

IP722

K5H7512A0010

FUSE PROTECTOR

[M]

P701

K2AA2B000011

JACK AC INLET

[M]

A2

K2CQ2CA00002

AC CORD

[M]

EG

A2

K2CT3CA00004

AC CORD

[M]

EB

C701

F1BAF1020020

1000P

[M]

C702

F1BAF1020020

1000P

[M]

C703

ECQU2A104MLC

0.1µF

[M]

C704

ECQU2A104MLC

0.1µF

[M]

C705

F1BAF471A013

470P

[M]

C706

F1BAF471A013

470P

[M]

C707

F1BAF1020020

1000P

[M]

C748

F1BAF471A013

470P

[M]

7