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Mini Speaker FX50/55/X78/X77
TABLE OF CONTENTS
Page
Location of PC Boards & Versions Variation ........................ 1
Specifications ....................................................................... 2
Safety Instruction .................................................................. 3
Software Upgrade Instruction..................................................4
Troubleshooting.................................................................... 5
Disassembly Instructions ..................................................... 6
Set Block & Wiring Diagram ................................................. 7
Circuit Diagram & PCBA Layout........................................... 8
Set Mechanical Exploded View .......................................... 9
Revision List ........................................................................ 10
Published by Arya &Kelly WK1418 Subject to modification 3140 038 61890
1
PCB Board Locations
FRONT CONTROL BOARD NFC BOARD
USB BOARD KEY BOARD
IN BOARD SUPPORT BOARD
Inside the front panel
LOADER POWER BOARD
MAIN BOARD
On the bottom plate
VERSION VARIATIONS
Type / Versions FX50
Board in used Service Policy /55 X/78 X/77
MAIN BOARD C C C
POWER BOARD C C C
FRONT CONTROL BOARD C C C
BLUETOOTH BOARD C C C
NFC BOARD C C C
IN BOARD M M M
KEY BOARD M M M
USB BOARD M M M
SUPPORT BOARD M M M
LOADER M M M
Tips C -- Component Lever Repair
M -- Module Lever Repair
2-1
Title: Product Performance
Reference: WX-B-009-01 Rev./Status: 0.2 / Draft
Specification
Model : FX20 FX30 FX50 Page 4 of 19
1. Introduction
1.1 Purpose and Scope of Document
TheProduct Performance Specificationis the leading specification and is the response of development. Whenever the
specification cannot be met, Product Management is to be informed as early as possible in order to make sure the
marketing can respond in time.
This Product Performance Specificationdoes not cover software specifications. Software is described in
the URS documents and in the version matrix owned by Product Management. Product Management is
responsible for maintaining, distributing and updating the version matrix.
All changes to Product Performance Specificationhave to be submitted via Change Proposals. Changes
have to be marked in bold and/ or colours in the document for easy recognition in at least the update right
after the change. Deletion of text is done by strike through in order to make changes obvious in at least the
update after the change took place.
- - 2013-12-09
FX20 FX30 FX50
2 - 2014-02-28
3
Mini Audio system
NAME Suhaofeng/Tangbing 19 10 - 4 A4
CHECK DATE 2014-02-28
2-2
Title: Product Performance
Reference: WX-B-009-01 Rev./Status: 0.2 / Draft
Specification
Model : FX20 FX30 FX50 Page 5 of 19
2. General Information and Requirement
2.1 Product Family Features
2.1.1 Identity and Key Features
FX20 FX30 FX50 is a MiniAudio Systemthat incorporates CD player with USB and Tuner FM/AM, and Blue
Tooth support.
Elements to include as generic requirements:
1. Safety certification (cUL/FCC and CB/EMC/CE)
Following is a list of key features:
1. BT module:BM830
2. MCU: STM8S005C6T6 LQFP48
3. CD disc /USB/MP3 MPEG (Sunplus SPH8104)
4. FM/AM tuner Module:KST-MW004MV1-R78W2 IC : RN5B800
5. Audio DSP:STA311B
6. AMP:FX20 STA518*2; FX30STA516B*2 STA516BE*2; FX50STA516B*4
7. Rated output power
10% THD*2 30% THD(max total
output power)*1
FX20 4x60W 280W(4X70W)
300W(4X75W)
FX30 4x150W 720W(4X180W)
FX50 4x250W 720W(4X300W)
*1 --- test at Audio in and AUX mode
*2 --- the output power tolerance is