Samsung HW-C560S, HW-C560EDC Service Manual
AV Receiver System
Model Name : HW-C560S
Model Code : HW-C560S/EDC
SERVICE
Manual
AV Receiver System
HW-C560S
CONTENTS
1. Precaution
2. Product Specification
3. Disassembly & Reassembly
4. Troubleshooting
5. Exploded View & Part List
6. PCB Diagram
7. Schematic Diagram
Refer to the service manual in the GSPN (see the rear cover) for the more information.
GSPN (Global Service Partner Network)
Area Web Site
North America service.samsungportal.com
Latin America latin.samsungportal.com
CIS cis.samsungportal.com
Europe europe.samsungportal.com
China china.samsungportal.com
Asia asia.samsungportal.com
Mideast & Africa mea.samsungportal.com
This Service Manual is a property of Samsung Electronics
Co.,Ltd. Any unauthorized use of Manual can be punished
under applicable International and/or domestic law.
© Samsung Electronics Co.,Ltd.
Printed in Korea
Apr. 2010
Contents
1. Precaution
1-1 Safety Precautions ...........................................................................................1-1
1-2 Servicing Precautions ......................................................................................
1-3 Precautions for Electrostatically Sensitive Devices (ESDs) .............................
2. Product Specification
2-1 Product Feature ...............................................................................................2-1
2-2 Specifications ...................................................................................................
2-3 Specifications Analysis .....................................................................................
2-4 Accessories ......................................................................................................
3. Disassembly & Reassembly
3-1 How to Disassemble HW-C500 ........................................................................3-1
3-2 How to Disassemble HW-C700 ........................................................................
1-3
1-4
2-2
2-4
2-7
3-6
4. Troubleshooting
4-1 Checkpoints by Error Mode.............................................................................. 4-1
4-2 Measures to be taken when the Protection Circuit operates ...........................
4-3 Initialization & Update .....................................................................................
4-4 USB Compatility List of HW-C500/HW-C700 ..................................................
5. Exploded View & Part List
5-1 Exploded View .................................................................................................5-1
5-2 Speaker System ...............................................................................................
5-3 Electrical Part List ............................................................................................
4-25
4-27
4-29
5-3
5-4
Contents
6. PCB Diagram
6-1 Wiring Diagram ................................................................................................6-1
6-2 FRONT PCB Top (Only C500) .........................................................................
6-3 FRONT PCB Bottom (Only C500) ....................................................................
6-4 FRONT PCB Top (Only C700) .........................................................................
6-5 FRONT PCB Bottom (Only C700) ....................................................................
6-6 TOUCH PCB
6-7 TOUCH PCB Bottom (Only C500) ...................................................................
6-8 POWER PCB Top (Only C700) ........................................................................
6-9 POWER PCB Bottom (Only C700) ..................................................................
6-10 AUX PCB Top (Only C700) ..............................................................................
6-11 AUX PCB Bottom (Only C700)
6-12 MAIN PCB Top .................................................................................................
6-13 MAIN PCB Bottom ...........................................................................................
6-14 HDMI PCB Top .................................................................................................
6-15 HDMI PCB Bottom ...........................................................................................
6-16 JACK PCB Top .................................................................................................
6-17 JACK PCB Bottom ...........................................................................................
6-2
6-4
6-5
6-7
Top (Only C500) .........................................................................6-8
6-9
6-11
6-12
6-14
.........................................................................6-16
6-17
6-20
6-21
6-23
6-24
6-26
7. Schematic Diagram
7-1 Overall Block Diagram .....................................................................................7-1
7-2 FRONT (Only C500) ........................................................................................
7-3 FRONT (Only C700) ........................................................................................
7-4 TOUCH KEY (Only C500) ................................................................................
7-5 POWER KEY (Only C700) ...............................................................................
7-6 AUX JACK (Only C700) ...................................................................................
7-7 INPUT-1 ...........................................................................................................
7-8 INPUT-2 ...........................................................................................................
7-9 DIR/DSP-1 .......................................................................................................
7-10 DIR/DSP-2 .......................................................................................................
7-11 PWM ................................................................................................................
7-12 AMP-2 ..............................................................................................................
7-13 AMP-3 ..............................................................................................................
7-14 AMP-1 ..............................................................................................................
7-15 MICOM .............................................................................................................
7-16 HDMI MICOM
7-17 HDMI REPEATER ............................................................................................
7-18 VIDEO IN/OUT .................................................................................................
7-19 SMPS ...............................................................................................................
...................................................................................................7-16
7-2
7-3
7-4
7-5
7-6
7-7
7-8
7-9
7-10
7-11
7-12
7-13
7-14
7-15
7-17
7-18
7-19
Precaution
1. Precaution
Follow these safety instructions while servicing the ESD to prevent damage and to protect against potential
hazards such as electrical shock and X-rays.
1-1 Safety Precautions
1. When reinstalling the chassis and its assemblies, be sure to restore all of the protective devices, including the
control knobs and the compartment covers.
2. Make sure that there are no cabinet openings through which people (particularly children) can make contact
with dangerous internal components.
3. Design Alteration Warning:
Never alter or add to the mechanical or electrical design of the unit.
Example: Do not add auxiliary audio or video connectors. Such alterations might create a safety hazard.
Also, any design changes or additions will void the manufacturer’s warranty.
4. Leakage Current Hot Check (Fig. 1-1):
Warning: Do not use an isolation transformer during this
test. Use a leakage-current tester or a metering system
that complies with American National Standards Institute
(ANSI C101.1, Leakage Current for Appliances), and
Underwriters Laboratories (UL Publication UL1410,
59.7).
With the unit completely reassembled, plug the AC cord
directly into a 120V AC outlet. With the unit’s power
switched from the ON to the OFF position, measure the
current between a known ground and all exposed metal
DEVICE
UNDER
TEST
TEST ALL
EXPOSED METAL
SURFACES
2-WIRE CORD
ALSO TEST WITH
PLUG REVERSED
(USING AC
ADAPTER PLUG
AS REQUIRED)
<Fig. 1-1 AC Leakage Test>
LEAKAGE
CURRENT
TESTER
(READING
SHOULD NOT BE
ABOVE 0.5mA)
parts.
Known Grounds - Earth
Known Metal parts - screwheads, metal cabinets, etc.
EARTH
GROUND
5. Insulation Resistance Cold Check:
(1) With the unit’s AC plug disconnected from the AC
source, connect an electrical jumper across the two AC
Antenna
Terminal
prongs. (2) Set the power switch to ON. (3) Measure
the resistance between the shorted AC plug and any
Exposed
Metal Part
exposed metallic parts.
Example: screwheads, metal cabinets, antenna port
If any of the exposed metallic parts has a return path
<Fig. 1-2 Insulation Resistance Test>
ohm
Ohmmeter
to the chassis, the measured resistance should be
between 1 and 5.2 megohms. If there is no return path,
the measured resistance should be “infinite.” If the resistance is outside these limits, a shock hazard might
exist. See Fig. 1-2
Samsung Electronics 1-1
1-2 Samsung Electronics
Precaution
6. Components, parts and wiring that appear to have overheated or that are otherwise damaged should be
replaced with parts that meet the original specifications. Always determine the cause of damage or overheating,
and correct any potential hazards
7. Observe the original lead dress, especially near the following areas: Antenna wiring, sharp edges, and
especially the AC and high voltage power supplies. Always inspect for pinched, out-of-place, or frayed wiring.
Do not change the spacing between components and the printed circuit board. Check the AC power cord for
damage. Make sure that no wires or components touch thermally hot parts.
8. Product Safety Notice:
Some electrical and mechanical parts have special safety-related characteristics which might not be obvious
from visual inspection. These safety features and the protection they give might be lost if the replacement
component differs from the original--even if the replacement is rated for higher voltage, wattage, etc.
9. Components that are critical for safety are indicated in the circuit diagram by shading,
or . Use
replacement components that have the same ratings, especially for flame resistance and dielectric strength
specifications. A replacement part that does not have the same safety characteristics as the original might
create shock, fire or other hazards.
Precaution
1-2 Servicing Precautions
1. Servicing precautions are printed on the cabinet. Follow them.
2. Always unplug the unit’s AC power cord from the AC power source before attempting to: (a) Remove or reinstall
any component or assembly, (b) Disconnect an electrical plug or connector, (c) Connect a test component in
parallel with an electrolytic capacitor.
3. Some components are raised above the printed circuit board for safety. An insulation tube or tape is sometimes
used. The internal wiring may be clamped to prevent contact with thermally hot components. Reinstall all such
elements to their original position.
4. After servicing, always check that the screws, components and wiring have been correctly reinstalled.
Make sure that the portion around the serviced part has not been damaged.
5. Check the insulation between the blades of the AC plug and accessible conductive parts (examples: metal
panels, input terminals and earphone jacks).
6. Insulation Checking Procedure: Disconnect the power cord from the AC source. Connect an insulation
resistance meter (500V) to the blades of the AC plug.
The insulation resistance between each blade of the AC plug and accessible conductive parts (see above)
should be greater than 1 megohm.
7. Any B+ interlock should not be damaged. Do not apply AC power to the unit (or any of its assemblies) unless
all solid-state heat sinks are correctly installed.
8. Always connect a test instrument’s ground lead to the instrument chassis ground before connecting the positive
lead; always remove the instrument’s ground lead last.
First read the “Safety Precautions” section of this manual. If some unforeseen circumstance
creates a conflict between the servicing and safety precautions, always follow the safety
precautions.
Samsung Electronics 1-3
Precaution
1-3 Precautions for Electrostatically Sensitive Devices (ESDs)
Some semiconductor (“solid state”) devices are easily damaged by static electricity.
Such components are called Electrostatically Sensitive Devices (ESDs).
Examples include integrated circuits and some field-effect transistors. The following techniques will reduce the
occurrence of component damage caused by static electricity;
1. Immediately before handling any semiconductor components or assemblies, drain the electrostatic charge from
your body by touching a known earth ground. Alternatively, wear a discharging wrist-strap device. (Be sure to
remove it prior to applying power--this is an electric shock precaution.)
2. After removing an ESD-equipped assembly, place it on a conductive surface such as aluminum foil to prevent
accumulation of electrostatic charge.
3. Do not use freon-propelled chemicals. These can generate electrical charges that damage ESDs.
4. Use only a grounded-tip soldering iron when soldering or unsoldering ESDs.
5. Use only an anti-static solder removal device. Many solder removal devices are not rated as “anti-static” (these
can accumulate sufficient electrical charge to damage ESDs).
6. Do not remove a replacement ESD from its protective package until you are ready to install it.
Most replacement ESDs are packaged with leads that are electrically shorted together by conductive foam,
aluminum foil or other conductive materials.
7. Immediately before removing the protective material from the leads of a replacement ESD, touch the protective
material to the chassis or circuit assembly into which the device will be installed.
8. Minimize body motions when handling unpackaged replacement ESDs. Motions such as brushing clothes
together, or lifting a foot from a carpeted floor can generate enough static electricity to damage an ESD.
1-4 Samsung Electronics
2. Product Specification
2-1 Product Feature
2-1-1 HW-C500 Product Feature
Features
• 100W/ch x 6
• 5.1-ch based AV receiver plus 5.1-ch SPK system (HW-C560S)
• 4 HDMI inputs
• HDMI 1.3 compatible
• Processing PCM Multi-channel surround
• FM radio
• 2 Component video inputs
• 3
capitalize
• 4 Analogue inputs
• ipod dock
optical & 1 coaxial digital inputs
Product Specification
Target
• Customer who owns BD Player or Game Console
• Mid Hi-Fi listener
• Movie lovers, also music lovers
2-1-2 HW-C700 Product Feature
Features
• 120W/ch x 7 + 150W
• 7.1-ch based AV receiver plus 7.1-ch SPK system (HW-C770S)
• 4 HDMI inputs
• HDMI 1.3 compatible
• Processing PCM Multi-channel surround
• Dolby Ture HD,DTS Master Audio
• FM radio
• 2 Component video inputs
• 3
capitalize
• 6 Analogue inputs
• ipod dock
optical & 1 coaxial digital inputs
Target
• Customer who owns BD Player or Game Console
• Mid Hi-Fi listener
• Movie lovers, also music lovers
Samsung Electronics 2-1
Product Specification
2-2 Specifications
2-2-1 HW-C500 Specifications
Basic Specification
GENERAL
FM TUNER
Power supply
Standby power consumption
Power
consumption
Weight 12.1 Ibs
Dimensions (W x H x D)
Operating temperature range
Operating humidity range
Frequency response
Usable sensitivity
S/N ratio
Distortion MONO/STEREO 0.3/0.8%
Stereo separation
Tuner output level
Rated output
Main unit
Subwoofer 90W
120V, 60 Hz
0.9W
75W
17.0 x 5.6 x 14.1 inches
41°F ~ +95°F
10% ~ 75%
87.5 ~ 108.0MHz
12dBf
MONO/STEREO 55/55dB
30dB
1kHz, 75kHz Dev
20Hz ~ 20kHz/THD = 0.9%
AMPLIFIER
FREQUENCY
RESPONSE
HDMI
VIDEO
OUTPUT
Front speaker (Left+Right)
Center speaker
Surround speaker (Left+Right)
Surround back
Input sensitivity/impedance
S/N ratio (analog input)
Separation (1kHz)
Analog input
Digital input/96kHz PCM
Input Compatible 1080p
Output Compatible 1080p
TV format
Input level/impedance
Output level/impedance
Video frequency response
6 Ω 100W/CH
6 Ω 100W/CH
6 Ω 100W/CH
6 Ω 100W/CH
450mV/47kΩ
80dB
60dB
20Hz ~ 20kHz (±3dB)
20Hz ~ 44kHz (±3dB)
NTSC/PAL
1Vp-p/75 Ω
1Vp-p/75 Ω
5Hz to 10kHz (-3dB)
S/N ratio
2-2 Samsung Electronics
60dB
2-2-2 HW-C700 Specifications
Basic Specification
Product Specification
GENERAL
FM TUNER
Power supply
Standby power consumption
Power
consumption
Weight 13.2 Ibs
Dimensions (W x H x D)
Operating temperature range
Operating humidity range
Frequency response
Usable sensitivity
S/N ratio
Distortion MONO/STEREO 0.3/0.8%
Stereo separation
Tuner output level
Rated output
Main unit
Subwoofer 90W
120V, 60 Hz
0.9W
75W
16.9 x 6.5 x 14.5 inches
41°F ~ +95°F
10% ~ 75%
87.5 ~ 108.0MHz
12dBf
MONO/STEREO 55/55dB
30dB
1kHz, 75kHz Dev
20Hz ~ 20kHz/THD = 0.9%
AMPLIFIER
FREQUENCY
RESPONSE
HDMI
VIDEO
OUTPUT
Front speaker (Left+Right)
Center speaker
Surround speaker (Left+Right)
Surround back
Input sensitivity/impedance
S/N ratio (analog input)
Separation (1kHz)
Analog input
Digital input/96kHz PCM
Input Compatible 1080p
Output Compatible 1080p
TV format
Input level/impedance
Output level/impedance
Video frequency response
6 Ω 100W/CH
6 Ω 100W/CH
6 Ω 100W/CH
6 Ω 100W/CH
450mV/47kΩ
80dB
60dB
20Hz ~ 20kHz (±3dB)
20Hz ~ 44kHz (±3dB)
NTSC/PAL
1Vp-p/75 Ω
1Vp-p/75 Ω
5Hz to 10kHz (-3dB)
S/N ratio
Samsung Electronics 2-3
60dB
Product Specification
2-3 Specifications Analysis
Model Name HW-C560 HW-C700 HT-AS730
Photo
Output
Power
General
General
Function
RMS (4Ω,1% THD),
REF: 1CH
THD 1% 1% 1%
Frequency Response
DVD Disc Capacity
Front Display
Front Panel
Sleep O O O
Dimmer O O O
XM-READY X X X
HD-Radio X X X
Bluetooth X X X
USB HOST
ipod Docking
OSD X X X
600W (100W x 6ch)
(6Ω, 0.9% THD)
20Hz ~ 50KHz 20Hz ~ 50KHz 20Hz ~ 50KHz
X X X
2Color - VFD 2Color - VFD 2Color - VFD
MOLD / AL MOLD / AL MOLD / AL
X X X
O O O
990W (120W x 7ch
+150W)
(6Ω,0.9% THD)
850W (100W x 7ch +
150W)
(4Ω, 0.9% THD)
DSP
Video up-Conversion
Sound Mode
Source Direct
Auto Sound
Calibration (ASC)
A/V Sync
Smart Volume
MP3 Enhancer
BI-AMP X X X
Crossover Frequency
Virtual H/P X X X
60/80/100/120/150/200 60/80/100/120/150/200 60/80/100/120/150/200
X X X
12 12 9
O O O
O O O
240ms 240ms 200ms
O O O
O O O
O: application, X: non-application
2-4 Samsung Electronics
Product Specification
Model Name HW-C560 HW-C700 HT-AS730
Photo
Audio
Decoding
Dolby Digital
Dolby ProLogic-II
Dolby ProLogic-Iix
Dolby Digital EX
Dolby Digital Plus
Dolby TrueHD
O O O
O O O
X O O
X O O
X O X
X O X
DTS O O O
DTS ES Discrete 6.1
DTS 96/24
DTS Neo 6
X O O
O O O
X O O
DTS-HD X O X
AAC X X X
MPEG2 X X X
HDMI In
HDMI Out
4 4 3
1 1 1
HDMI
Video
Inputs
Video
Outputs
Audio
In/Out
MULTI PCM
Deep Color
Lip Sync
5.1 7.1 7.1
O O O
O O O
Anynet+ O O O
Version 1.4a 1.4a 1.3a
Component 2 2 2
Composite 4 5 5
Component 1 1 1
Composite 2 2 2
In
Out 1 1 1
Multi Ch In
Subwoofer Pre-out
4 6 6
5.1 7.1 7.1
1 2 1
O: application, X: non-application
Samsung Electronics 2-5
Product Specification
Model Name HW-C560 HW-C700 HT-AS730
Photo
Optical
Jack
Coaxial
Jack
Headphone
/ MIC Jack
Tuner
Remocon
Key
Speaker
In
3 3 3
Out X X X
In
1 1 1
Out X X X
Headphone X 5Φ 5Φ
MIC ASC ASC ASC
FM (RDS)
AM
Preset Memory
FM (RDS) FM (RDS) FM (RDS)
X X X
30 30 30
Universal 48 Key 48 Key 52 Key
Impedance 6 Ω 6 Ω 4 Ω
Active (Powered) S/W
X O O
O: application, X: non-application
2-6 Samsung Electronics
2-4 Accessories
2-4-1 Supplied Accessories
Accessories Item Item code Remark
Product Specification
Remote Control
Batteries
iPod Dock AH96-00051A
ASC microphone AH30-00099A
FM Antenna AH42-00021A
User’s Manual AH68-02266F
AH59-02306A
4301-000116
Local Samsung Dealer
Samsung Electronics 2-7
MEMO
2-8 Samsung Electronics
Disassembly & Reassembly
3. Disassembly & Reassembly
3-1 How to Disassemble HW-C500
- Be careful to follow the disassembly sequence described in the manual. Otherwise, the product
may be damaged.
- Be sure to carefully read and understand the safety instructions before performing any work as
the IC chips on the PCB are vulnerable to static electricity.
- Assemble in the reverse order of disassembly.
No. Description Description Photo
1 1) Disassembly Cover-Top.
2) Unfasten 4 screws on the rear.
3) Unfasten 2 screws on the each side of the Cover-Top.
Samsung Electronics 3-1
Disassembly & Reassembly
No. Description Description Photo
1 1) Remove COVER-TOP by pulling on the direction of
Rear.
2 1) Unfasten 4 screws and 1 cable on the Cover-Front.
3-2 Samsung Electronics
Disassembly & Reassembly
No. Description Description Photo
2 2) Loosen hooks form Cover-Bottom.
3) Then remove the ASSY-FRONT from COVER-
BOTTOM.
3 1) Unfasten 8 screws on the Cover-front, Remove
BRACKET-FRONT from Cover-Front.
2) Unfasten 2 cables, remove front-pcb from cover-front.
Samsung Electronics 3-3
Disassembly & Reassembly
No. Description Description Photo
3 3) Unfasten 2 screws and remove assy-damper from
Cover-Front.
4) Pull the assy-door, remove it from assy-front.
3-4 Samsung Electronics
Disassembly & Reassembly
No. Description Description Photo
4 1) Unfasten 2 wires, a power-cord jack and 8 screws,
then remove the smps-pcb and the power-cord.
2) Remove all screws from the cover-rear.
3) Remove main-pcb, hdmi-pcb, av-pcb and cover-rear
from the cover-bottom.
4) Remove 4 legs from the cover-bottom.
Samsung Electronics 3-5
Disassembly & Reassembly
3-2 How to Disassemble HW-C700
- Be careful to follow the disassembly sequence described in the manual. Otherwise, the product
may be damaged.
- Be sure to carefully read and understand the safety instructions before performing any work as
the IC chips on the PCB are vulnerable to static electricity.
- Assemble in the reverse order of disassembly.
No. Description Description Photo
1 1) Disassembly Cover-Top.
2) Unfasten 4 screws on the rear.
3) Unfasten 2 screws on the each side of the Cover-Top.
4) Remove COVER-TOP by pulling on the direction of
Rear.
3-6 Samsung Electronics
Disassembly & Reassembly
No. Description Description Photo
2 1) Unfasten 4 screws and 2 cables on the Cover-Front.
2) Loosen hooks form Cover-Bottom.
3) Then remove the ASSY-FRONT from COVER-
BOTTOM.
3 1) Pull the KNOB-VOLUME, remove it from assy-front.
Samsung Electronics 3-7
Disassembly & Reassembly
No. Description Description Photo
3 2) Unfasten 9 screws on the Cover-front, Remove
BRACKET-FRONT from Cover-Front.
3) Unfasten cable, remove front-pcb from cover-front.
4) Unfasten 2 screws and remove assy-damper from
Cover-Front.
3-8 Samsung Electronics
Disassembly & Reassembly
No. Description Description Photo
3 5) Pull the assy-door, remove it from assy-front.
4 1) Unfasten 2 wires, a power-cord jack and 8 screws,
remove smps-pcb and a power-cord.
2) Remove all screws from the cover-rear.
Samsung Electronics 3-9
Disassembly & Reassembly
No. Description Description Photo
4 3) Remove main-pcb, hdmi-pcb, av-pcb from the cover-
bottom and cover-rear.
4) Remove Cover-rear from Cover-bottom.
5) Remove 4 legs from the cover-bottom.
3-10 Samsung Electronics
4. Troubleshooting
4-1 Checkpoints by Error Mode
Oscilloscope Setting Values
Voltage/DIV 1V/div
TIME/DIV 500ms/div
4-1-1 No Power
The power does not turn on.
Troubleshooting
1
Check if the Micom
power is normal.
Check if +3.3V is measured at the
pin 22, 53, 70, and
73 of UIC1.
Refer to wave pattern
image of Fig. 4-1.
Yes
Check Main PCB
Power-Sense (5V).
Check pin 28 of UIC1.
No
No
2
Check if 5.6V, 3.3V is
measured at the UIC5 of the
Main PCB.
Yes
Refer to wave pattern
image of Fig. 4-2.
3
Check the connector.
SMPS : CON3 Pin 5 (5.6V)
MAIN : UCN2 Pin 10 (5.6V)
Refer to wave pattern
image of Fig. 4-3.
Check if the output
voltage of the L3 of the
SMPS PCB is 5V.
No
Check the power circuit of
SMPS PCB
(Check the outputs of FUSE:
FL1 and ICA1)
No
Yes
Yes
A
Check the connector.
SMPS : CON3 Pin 5
MAIN : UCN2 Pin 10
Check the power circuit of
SMPS PCB
(Check the outputs of FUSE:
FL1 and ICA1)
Samsung Electronics 4-1
4-2 Samsung Electronics
Troubleshooting
Check if “H(5V)” is
measured at the pin 92 of the
UIC1 when the Main PCB
power is turned on.
A
No
Yes
Replace the Micom (UIC1).
Check pin 10 of UCN2
of the Main PCB.
Yes
Check UCN3 of the Front
Cable.
No
Check the pin 5 of CON3 of
SMPS PCB and check the
voltages of both the ends of L3
(equal to or greater than 5V)
UIC3
UIC5
UCN2
UCN3
DSCN1
IC1502
IC1
UIC1
UIC4
UCN1
ACN1
CN7
AIC4
AIC2 AIC6
ASIC1
AIC5
DIC2
DIC1
DIC7DIC6
VIC2
IC2
ACN2
AIC1
AIC8
AIC9
AIC7
AIC12 AIC11 AIC10
IC3
DIC12
UCN4
DSP1
1
Troubleshooting
1
1
MICOM, page 7-15
1
MAIN PCB Top, page 6-17
<Fig. 4-1>
Samsung Electronics 4-3
4-4 Samsung Electronics
Troubleshooting
UIC3
UIC5
UCN2
UCN3
DSCN1
IC1502
IC1
UIC1
AIC5
DIC2
DIC1
DIC7DIC6
VIC2
IC2
ACN2
AIC1
AIC8
AIC9
AIC7
AIC12 AIC11 AIC10
IC3
DIC12
DSP1
2
2
MICOM, page 7-15
2
MAIN PCB Top, page 6-17
<Fig. 4-2>
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