Page 1
CONTENTS
1 SERVICE MANUAL
1. Safety precautions......................................2
2. Location of users controls...........................3
3. Connecting to equipment.............................4
4. Trouble shooting guide................................5
5. Internal block diagram of ics.......................7
6. Schematic diagram.....................................20
Page 2
1. SAFETY PRECAUTIONS
2
No
Power supply: This speaker can only use
the type of power supply as specified in
the instruction manual or marked on the
master speaker.
Power line protection: Make sure to avoid
power line being trampled, pulled or
squeezed by heavy objects. In particular,
be sure to hold the plug when pulling the
power line from the socket. Never pull on
the power line. besides, keep the power line
away from hot objects. 1.
2.
3.
4.
5.6.
7.
8.
Removing cabinet: In case of speaker
failure or problems due to improper
use, don't dismantle the unit to repair
or check by yourself. Please turn off
the power and use after checked by
specialists to avoid causing personal
accident.
Appearance cleaning: Don't use
volatile solutions to clean the speaker
to avoid damaging the appearance.
Please cut off the power: If you don't
use the sound system for a long time,
please remove the cable wire or
disconnect the power to ensure the
speaker safety and household safety.
PRECAUTIONS:
Cord polarity: The speaker cord must be
correctly connected as per marking on the
function panel. and Must have
correct polarity so maximize the inherent
quality of the speaker. Otherwise, normal
function and output will be affected.
Ventilation: This speaker has good
adaptability to the environment, but pay
attention to the environmental ventilation
during long periods of work.
Water and moisture: Keep the sound box
away from rain, water spray, water splash
and wet environment, such as bath,
kitchen, water basin, washing basin, damp
basement, swimming pool, etc.
+ -
SERVICE MANUAL
