Genius SP-P110 User manual
S
SE
ER
RV
VI
IC
CE
E
G
GU
UI
ID
DE
E
KYE SYSTEMS CORP.
S
SP
P-
-P
P1
11
10
0
Version:1.0
Total 14 Pa
g
es (Cover Pa
g
e included)
Version: 1.0 Page 1/13
Version Date Changes
1．0 Official Release
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Revision History
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Revision History
……………………………………………………………… ……..1
Table of Contents………………………………………………… ………….2
Getting Started………………………………………………… ……….……………....3
Conventions Used in this Guide………………… ………...……………….3
Safety Precautions……………………………… ………………...………..3
Chapter1. How to Handle Defective Returns………………… ……………………….4
1.1 Overview……………………………………………………………….4
1.2 Problems………………………………………………………………..5
1.2.1 Power LED (indicator) Unlighted………………...……………......6
1.2.2 Does not work or one channel no sound……………………….…..7
1.2.3 Noise……………………………………………………………….7
Chapter2. Specifications………………………………………………………………..8
Chapter3. Block Diagram……………………………………………………………....9
Chapter4. Exploded View……………………………………………………………...10
Chapter5. Part List…………………………………………………………………….11
Chapter6. Important Notes…………………………………………………………....12
6.1 Packing Requirement for sending the PCB Assembly by post……….…12
6.2 Short of Spare Parts while Repairing a Speaker System…………….….12
Chapter7. Circuit Schematic……………………………………………………………13
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Table of Contents
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Conventions Used in this Guide
PaySpecialAttention:Instructionsthatareimportantto
remember and may prevent mistakes.
Safety Precautions
The following precautions should be observed in handling the speaker described in this guide:
Place the speakers on a flat level and stable surface.
Do not place the speakers in environments subject to mist, smoke, vibration, excessive dust,
salty or greasy air, or other corrosive gases and fumes.
Do not drop or jolt the speakers.
Do not allow anything to drop into the subwoofer case through its ventilator, as it could
result in fatal electric shock or fire.
Place the unit far enough from other equipments for good heat dissipation.
Disconnect the AC power cord from the AC outlet before performing any maintenance on the
speakers.
Do not perform any maintenance with wet hand.
Prevent foreign substance, such as water, other liquids or chemicals, from entering the
speakers while performing maintenance procedures on the speakers.
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Getting Started
Attention
Caution: Information that, if not followed, may result in
damage to the product.
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1.1 Overview
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Chapter 1. How to Handle Defective Returns
Receiving Defective
Speakers
from Customers
Verifying problems&
Proceeding necessary tests
Analyzing possible
Malfunction causes
Deciding & proceeding
the rectification methods
Replacing necessary
Defective parts
Proceeding tests
To verify if the speaker is
functioning normally
Functioning OK
Return the speakers with
Pro
p
er re
p
acka
g
in
g
to customers
Functioning NG Functioning OK
Functioning NG
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1.2 Problems
Item Problemdescriptions
1.2.1 PowerLED(indicator)unlighted
1.2.2 Does not work or one channel no sound
1.2.3 Noise
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Attention
1.2.1 Power LED (indicator) unlight
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Please follow the numbered sequence marked within parenthesis given in individual
Flow chart, in that this is the best-recommended sequence to rectify the problems.
Problem
Analyze and
Identify the
Causes
Solutions
Power LED
(indicator)
unlight
Diode D1.2.3.4
burnt
Defective power
S
w
itch
or LED
Secondary wire
O
f
transformer is
Disconnected
or
defective
Resolder or replace defective component(s)
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1.2.2 Does not work or one channel no sound
1.2.3 Noise
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Problem
Analyze and
Identify the
Causes
Solutions
Does not work or
One channel no sound
Broken o
r
Short circuit Defective IC
Defective
Audio cable
Replace
Audio cable Check solde
r
Points on PCB
And resolder
defective one(s)
Check and replace
Defective IC
Problem
Analyze and
Identify the
Causes
Solutions
Noise
Defective VR Defective IC
Check and replace
defective component(s) Re
p
lace
Defective VR Replace defective IC
Component(s) around
IC is/are defective
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No. DESCRIPTION UNIT NOMINAL LIMIT
1 INPUT SENSITIVITYAT 10% mV 480 480+/-50
2 DISTORTION（1 KHz）AT 1W % 0.5 <3
3 OUTPUT POWER AT 10% DISTORTION W 0.5 0.5+/-0.15
4 S/N RATIO dB 65 ≥55
5 CHANNEL SEPARATION dB 46 ≥40
6 FREQUENCY RESPONSE
(DOWN3dB) (LOW)
(HIGH)
Hz
KHz
150
20
150+/-30
20+/-1
7 HUM LEVEL (AT VOL. MIN.)
HUM LEVEL (AT VOL. MAX.)
mV
mV
0.5
1
≤2
≤3
8 OPERATING VOLTAGE MAX.253VAC
MIN. 207VAC
TEST CONDITION:
1) LOAD 4Ω
2）RATED POWER 50 mW
VOLUME AT MAX.
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Chapter 2. Specifications
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Chapter 3. Block Diagram
POWER
AMPLIFIER
AUDIO INPUT
R
．
IN
L．I
N
VOLUME
CONTROL
R
．
OUT
L．
OU
T
R．CH SPEAKER
L．CH SPEAKER
TRANSFORMER AC INSTAND-BY FILTER
Table of contents
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