Panasonic SA-AKX320E, Service Manual, Page: 1 / 66

© Panasonic Corporation 2019. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
PSG1902001CE
CD Stereo System
Model No.
SA-AKX320E
SA-AKX520E
Product Color: (K)...Black Type
(W)...White Type (For SA-AKX320)
TABLE OF CONTENTS
PAGE PAGE
1 Safety Precautions ----------------------------------------------- 3
1.1. General Guidelines---------------------------------------- 3
1.2. Before Repair and Adjustment ------------------------- 4
1.3. Protection Circuitry ---------------------------------------- 4
1.4. Caution For AC Cord ------------------------------------- 5
1.5. Safety Parts Information --------------------------------- 5
2 Warning -------------------------------------------------------------- 6
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatically Sensitive (ES) Devices---------- 6
2.2. Precaution of Laser Diode------------------------------- 6
2.3. General description about Lead Free Solder
(PbF)---------------------------------------------------------- 7
2.4. Handling Precautions for Traverse Unit-------------- 7
2.5. Grounding for electrostatic breakdown
prevention --------------------------------------------------- 8
3 Service Navigation ----------------------------------------------- 9
3.1. Service Information ----------------------------------------9
4 Specifications ---------------------------------------------------- 10
5 Location of Controls and Components ------------------ 11
6 Service Mode ----------------------------------------------------- 12
6.1. Cold-Start -------------------------------------------------- 12
6.2. Sales Demonstration Lock Function ---------------- 12
6.3. Doctor Mode Table--------------------------------------- 13
6.4. Self-Diagnostic Mode ----------------------------------- 15
6.5. Self-Diagnostic Error Code Table -------------------- 15
7 Troubleshooting Guide --------------------------------------- 17
7.1. No Power (No LED D No Response) ----- 17
7.2. Bluetooth® Pairing Failure----------------------------- 19
7.3. No Key Function------------------------------------------ 20
7.4. FL Show “No Device” at USB selector Only ------ 21
Please refer to the original service manual for:

CD Mechanism Unit (BRS12C), Order No. PSG1303059AE

Speaker system SB-AKX220PN/SB-AKX440PN, Order No. PSG1601002CE