Please refer to the original service manual for:
CD Mechanism Unit, (BRS12C) Order No. PSG1303059AE
Speaker system SB-AKX700PNK Order No. PSG1703027CE (For SA-AKX710PUK)
Speaker system SB-AKX880PNK Order No. PSG1603003CE, SB-AKW910PUK Order No. PSG1804007CE
(For SA-AKX910PUK)
TABLE OF CONTENTS
2 Warning -------------------------------------------------------------- 6
(PbF)---------------------------------------------------------- 7
prevention --------------------------------------------------- 8
PAGE
SA-AKX710PU
Model No.
SA-AKX910PU
Product Color: (K)...Black Type
6 Service Mode ----------------------------------------------------- 13
© Panasonic Corporation 2018. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
PSG1804006CE
CD Stereo System
PAGE
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Questions and answers
My hifi has no sound
The Panasonic SA-AKX710PU hi-fi may have no sound due to several possible issues:
1. Speaker Output Issue – Check if sound comes from speaker 1:
- If yes, check IC1202 pin 28 (USB-A) or pin 27 (USB-B).
- If no, check IC9002/IC9003 and replace if needed.
2. DSP or SOC Malfunction – Verify:
- IC4001 PWM output signal (pins 27-34).
- IC1001 series resistors (pins 81-84, resistors R1011, R1012, R1023, R1014).
3. Microphone Sound Issue – If no sound from the microphone:
- Ensure the unit is powered on and MIC1/MIC2 is connected.
- Check IC1001 (pin 84) for signal.
- Test the microphone and cable; replace if faulty.
- Check IC1400/1 supply voltage (pin 9 should be >9V).
- Verify CN1401 (pins 2/3) and replace MIC jack if needed.
These steps help diagnose and resolve the no-sound issue in the SA-AKX710PU hi-fi system.
This answer is automatically generated