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Service Guide
SP-HF360A
1.2.7 No Volume change when rotating VR
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 13 of 21
Check and replace
1. Check if the VR-related copper foil broken
2. VR1, VR2 defective
3. Or caused by the following components:
R5
,
R6
,
R1
,
R2
,
R13
,
CC1
,
MC1
,
MC2
,
MC3
,
R9
,
R12, R15
,
R66
,
R18
,
R19
,
R20
,
R21
,
R22
,
CC4
,
MC4
,
MC5
,
or MC6 defective
No volume change when rotating VR
Summary of Contents for Genius SP-HF360A
Page 1: ...Service Guide SP HF360A SERVICE GUIDE KEY SYSTEM CORP Version 1 0 Page 1 of 21...
Page 16: ...Service Guide SP HF360A Version 1 0 Page 16 of 21 Chapter 3 Block diagram...
Page 17: ...Service Guide SP HF360A Active speaker Version 1 0 Page 17 of 21 Chapter 4 Exploded view...
Page 18: ...Service Guide SP HF360A Passive speaker Version 1 0 Page 18 of 21 Chapter 4 Exploded view...
Page 21: ...Service Guide SP HF360A SP HF360A PCB Version 1 0 Page 23 of 21 Chapter 7 Schematic diagram...