KYE Systems Corp. Genius SP-HF 2.1 800 User manual

Service Guide SP-HF 2.1 800
SERVICE GUIDE
KYE SYSTEM CORP
Version 1.0 Page 1 of 21

Service Guide SP-HF 2.1 800
Revision History
Version Date Change
1.0 24/06/2011
Version 1.0 Page 2 of 21

Service Guide SP-HF 2.1 800
Revision History………………………………………………………………….2
Table of contents……………………………………………………………...…3
Getting Start…………………………………………………….………………...4
Conventions Used in this Guide…………………………………………….…4
Safety Precautions………………………………………………………………4
Chapter 1. How to Handle Defective Returns……………………………….5
1.2 Problem………………………………………………………………………6
1.2.1 No power，LED （indicator）unlighted……………………………….7
1.2.2 No sound…………………………………………………………….…….8
1.2.3 Right/ left channel no sound…….……….……….……….……….……9
1.2.4 Woofer no sound….………..….……..….……….……….……….……10
1.2.5 Noise…………….………………………………………………….…..…11
1.2.6 Cable remote LED indicators no light……………………………..….12
1.2.7 Woofer colorful LED no light or abnormal…………………………………………13
Chapter 2. Specification…………………………………………………..……14
Satellite…………………………………………………………………….…….14
Woofer……………………………………………………………………………14
Chapter 3. Block diagram…………………………………………..………….15
Chapter 4. Exploded view………………………………………………………16
Subwoofer……………………………………………………………….……….16
Satellite…………………………………………………..…….…………………17
Cable Remote……………………………………………………………………18
Chapter 5. Part list…………………………………… …………….…………...19
Woofer………………………………………………………….……………….. 19
Satellite…………………………………………………………………………...19
Cable remote……………………………………………………………………..19
Chapter 6 Important notes……………………………………………………….20
Chapter 7 Schematic diagram……………………………………………………21
Version 1.0 Page 3 of 21
Table of Contents

Service Guide SP-HF 2.1 800
Getting Started
Conventions Used in the Guide
Pay Special Attention: Instructions that are important to remember and may prevent
mistakes.
Caution: Information that, if not followed, may result in damage to the product.
Safety Precautions
The following precautions should be observed in handing 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.
Do not perform any maintenance with wet hand.
Preventforeignsubstance,such as water, other liquids or chemical, from entering
the speakers while performing maintenance procedures on the speakers.
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Service Guide SP-HF 2.1 800
Chapter 1. How to Handle Defective Returns
1.1 Overview
Function NG Function OK
FunctionNG
FunctionOK
Version 1.0 Page 5 of 21
Receiving Defective speaker from customers
Verifying problems
Proceeding
Necessary tests
Verifying problems
Proceeding
Necessary tests
Analyzing possible
Malfunction cause
Deciding & proceeding the
Rectification methods
Replace necessary
Defective parts
Return the speakers with proper
repacking to customers

Service Guide SP-HF 2.1 800
1.2 Problems
Item Problem Description
1.2.1 No power，LED （indicator）no light
1.2.2 No sound
1.2.3 Right channel no sound
1.2.4 Left channel no sound
1.2.5 Woofer no sound
1.2.6 Noise
1.2.7 LEDindicatorsnolight
Version1.0 Page6of21

Service Guide SP-HF 2.1 800
*Attention
Please follow the numbered sequence marked within parenthesis given in
individual
Flow chat in that this is the best-recommended sequence to rectify the problems.
1.2.1 No power，LED （indicator）unlighted
Problem
Analyze
and
identify
the
causes
Solutions
Version 1.0 Page 7 of 21
Repair or replace
Defective
transformer
Defective or damaged AC cable,
or power switch; or the loose
connection between AC cable
and power switch
Resolder or replace
No power，LED （indicator）unlighted
Defective soldering between
transformer secondary wire and
YM6111-2.1 AMP PCB board.
Copper foil of the YM6111- 2.1LAMP
PCB broken
Repair or replace

Service Guide SP-HF 2.1 800
1.2.2 no sound
Problem
Analyze and
identify the
causes
]
Solutions
Version 1.0 Page 8 of 21
VR1 in YM-C19 CON
PCB damaged or the
connection wires
loosely soldered
Connection wires of
YM6111-2.1L AMP broken
or dry soldered.
No sound
Repair or replace
Repair or replace
PCB short-circuited, dry
soldered or damaged
Cooper foil broken or dry
soldered
Repair, resolder or
replace

Service Guide SP-HF 2.1 800
1.2.3 Right /Left channel no sound
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 9 of 21
Right /left channel no sound
Audio cable damaged
or defective
Speaker cable
damaged or defective
Driver unit
dry-soldered or
defective
1.Connection wires of
YM6111-2.1L AMP broken or
dry soldered.
2. U4, U3 in YM6111-2.1L
AMP damaged
Replace or
replace
Re-connect ,
replace or repair
PCB damaged, dry-soldered or
short-circuited
VR1 in YM-C19 CON PCB
damaged or the connection
wires loosely soldered
Repair or
replace

Service Guide SP-HF 2.1 800
1.2.4 Woofer no sound
Problem
Analyze and
identify the
causes
Solutions
-
Version 1.0 Page 10 of 21
Woofer no sound
Woofer driver unit dry-soldered or
defective
PCB damaged, dry-soldered or
short-circuited
1. YM6111-2.1LAMP CN1 damaged
2. U1, U2 or VR or the components
around in YM6111-2.1L AMP defective
or dry-soldered
Repair or replace Repair or replace

Service Guide SP-HF 2.1 800
1.2.6. Noise
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 11 of 21
Noise
1. To check if EC2，EC3，EC11，
EC12 ，D1 ，D2 ，D3 ，D4 is
defective or not
2. PCB broken or dry-soldered
Or caused by the vibration
from the too long lead wire of
the driver units
Or Driver units box or driver
unit itself damaged
Repair Check and replace Repair or replace

Service Guide SP-HF 2.1 800
1.2.7. Cable remote LED indicators no light
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 12 of 21
LED indicators no li
g
ht
1. Defective, dry-soldered, or broken PCB
2. LED1 defective or YM-C19 CON PCB short-circuited
Check and replace

Service Guide SP-HF 2.1 800
1.2.8. Woofer colorful LED no light or abnormal
Problem
Analyze and
identify the
causes
Solutions
Version 1.0 Page 13 of 21
Woofer colorful LED no light or
abnormal
1. Defective, dry-soldered, or broken SW-HF2.1 800LED PCB
2. YM6111-2.1L AMP PCBA broken or CN2 defective or connection
wires loosen
3. R34 in YM6111-2.1L AMP, or R3，R1，IC1，LED1 in YM-C19 CON
PCB defective
Check and replace

Service Guide SP-HF 2.1 800
Satellite
normal
NO DESCRIPTION UNIT
R L
LIMIT
1 RATED OUTPUT POWER @THD 10% W 6.4 6.4 ≧5.8
2 SENSITIVITY (1KHz) @RATED O/P POWER m V 610 610 600±60
3 SENSITIVITY (1KHz) @1W O/P POWER m V 220 220 220±22
4 MAX INPUT LEVEL@1% THD m V 480 480 480±48
5 DISTOPTION@1kHz 1W OUT % 0.3 0.3 ≦1
6 FREQUENCY RESPONSE(1KHz -3DB ) LOW Hz 200 200 200±20
7 FREQUENCY RESPONSE(1KHz -3DB ) HI KHz 150 150 150±15
8 S/N@RATED O/P POWER d B 81.5 81.5 ≧70
9 CHANNEL UNBALANCE @REF O/P POWER d B 0.2 0.3 ≦0.5
10
CHANNEL SEPARATION(ONE
CHANNELIN;OTHER CHANNEL INPUT
SHORTING
d B 53 53 ≧40
11 HUM NOISE (VOLUME MAX;INPUT SHORTING) m V 0.6 0.6 ≦2
12 HUM NOISE (VOLUME MIN INPUT SHORTING) m V 0.5 0.5 ≦1
Woofer
NO DESCRIPTION UNIT NORMAL LIMIT
1 RATED OUTPUT POWER@100HZ (10%THD) W 8.8 ≧8.4
2 SENSITIVITY (100Hz) @RATED O/P POWER m V 135 130±20
3 SENSITIVITY (100Hz) @1W O/P POWER m V 42 40±8
4 MAX INPUT LEVEL@1% THD m V 100 100±20
5 DISTOPTION@100Hz 1W OUT % 0.3 ≦1
6 FREQUENCY RESPONSE(100Hz -3DB ) LOW Hz 34 35±8
7 FREQUENCY RESPONSE(100Hz -3DB ) HI Hz 140 140±15
8 S/N RATIO@100HZ RATED O/P POWER d B 71.5 ≧70
9 HUM NOISE (VOLUME MAX;INPUT SHORTING) m V 1.7 ≦2
10 HUM NOISE (VOLUME MIN INPUT SHORTING) m V 1.1 ≦1.5
Version 1.0 Page 14 of 21
Chapter 2. Specifications

Service Guide SP-HF 2.1 800
Version 1.0 Page 15 of 21
Chapter 3 Block diagram

Service Guide SP-HF 2.1 800
Subwoofer
Version 1.0 Page 16 of 21
Chapter 4 Exploded view

Service Guide SP-HF 2.1 800
Satellite
Version 1.0 Page 17 of 21
Chapter 4 Exploded view

Service Guide SP-HF 2.1 800
Cable control
Version 1.0 Page 18 of 21
Chapter 4 Exploded view

Service Guide SP-HF 2.1 800
Woofer
1 Bass tube, KA-822A-1, high glossy EP41510014
2 paper tube, YM257-2.1L EP41590072
3 bass tube, KA-822A-2 (57*34MM）EP41510041
4 woofer cabinet, SW-HF2.1 800 EP53800010B
5 PCBA, SW-HF2.1 800 EP1P800013
6 back bracket, YM5111 EP40960438
7 bass knob, A-826-4 EP40711021
8 power switch EP19030008
9 safety bushing EP41610511
10 transformer, 230V50HZ/9.5V*2-1.2A,57*19 EP13500100
11 woofer feet, YM230-2.1 EP41110153
12 foot mat, 13.5*13.5*2MM EP73060109
13 driver unit, A-105-18 EP16040027
14 front panel, SW-HF2.1 800 EP40310368
15 LED PCBA, SW-HF2.1 800 EP1P800014
16 LED cover, SW-HF2.1 800 EP41410041
17 woofer LOGO plate, SW-HF2.1 800 EP41210071
18 BT2030 IC(TDA2030A) EP1C020008
19 VR，R1660NOA-V1 B503F E00-00 EP1B020064
Satellite
Ref. NO Description Part NO
1 satellite LOGO plate:M78 EP41260064
2 cloth grill, Y091 EP64000226A
3 driver unit, A-78-49 EP16030092
4 satellite cabinet, Y091 EP53Y09101A
5 safety buffer, 3MM EP41610449
6 foot mat,φ12*2MM EP73050011
Cable control
Ref. NO Description Part NO
1 rotating knob, C26 EP40711226
2 upper part, C26 EP41310098
3 PCBA, C19 EP1P000061
4 lower part, C26 EP41310099
5 foot mat, φ7*1.5MM EP73060056
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Cha
p
ter 5 Part list