Headphone No Function; Chapter 2. Specifications - KYE Systems Corp. Genius SP-i220 Service Manual

Service Guide

1.2.4 Headphone no function

Problem
Analyzer and
Identify the Causes
Solutions

Chapter 2. Specifications

NO. Description
1 Out Power at THD 10%
2 Sensitivity
3 Freq. Response (Top -3dB)
4 Separation
5 S/N ratio
6 Hum & Noise (Vol.: max)
Headphone no function
Broken or short circuit
Check solder joints on PCB
Unit
mV
Version : 1.0
Defective JACK2 , R12 , R13
Check and Replace defective
components
Specifications
≧ 3
W
520 ± 50
V
Hz 40~20K ± 10%
≧ 40
dB
≧ 70
dB
≦ 2
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SP-i220