Panasonic SA-VK82DGCP User manual

AMPLIFIER SECTION
RMS Output Power: Dolby Digital Mode
Main
85 W per channel (4 Ω), 1 kHz, 10% THD
Surround Ch
60 W per channel (4 Ω), 1 kHz, 10% THD
Center Ch
80 W per channel (4 Ω), 1 kHz, 10% THD
Subwoofer Ch
90 W per channel (4 Ω), 100 Hz, 10% THD
Total RMS Dolby Digital mode power
460 W
PMPO output power 5600 W
FM/AM TUNER, TERMINALS SECTION
Preset station FM 15 stations
AM 15 stations
Frequency Modulation (FM)
Frequency range 87.50 - 108.00 MHz (50 kHz step)
Sensitivity 2.5 µV (IHF)
S/N 26dB 2.2 µV
A
ntenna terminals 75 Ω(unbalanced)
A
mplitude Modulation (AM)
Frequency range 522 - 1629 kHz (9 kHz step)
520 - 1630 kHz (10 kHz step)
A
M Sensitivity S/N 20dB at 999 kHz
560 µV/m
A
udio performance (Amplifier)
©2005 Matsushita Electric Industrial Co. Ltd.. All
rights reserved. Unauthorized copying and
distribution is a violation of law.
SA-VK82DGCP
SA-VK82DGCS
SA-VK82DGS
Colour
(S)... Silver Type
Input sensitivity/Input impedance
A
ux 250 mV, 20 kΩ
Phone jack
Terminal Stereo, 3.5 mm jack
Mic jack
Sensitivity 0.7 mV, 600 Ω
Terminal Mono, 6.3 mm jack (2 system)
CASSETTE DECK SECTION
Type Auto-Reverse
Track system 4-Track, 2 Channel
Head Record/Playback Solid permalloy head
Erasure Double gap ferrite head
Motor DC servo moto
r
Recording System AC Bias 100 kHz
Erasing System AC Erase 100 kHz
Tape Speed 4.8 cm/s
Overall frequency response (+3, -6 dB) at DECK OUT
Normal 35 Hz - 14 kHz
S/N Ratio 50 dB (A weighted)
Wow and Flutter 0.18 % (WRMS)
Fast Forward and Rewind Time Approx. 120 seconds with
C-60 cassette tape
DISC SECTION
Disc played [8 cm or 12 cm]
(1) DVD (DVD-Video, DVD-Audio)
(2) DVD-RAM (DVD-VR, JPEG
*4
,
*5
)
(3) DVD-R (DVD-Video)
DVD Stereo System
Specifications
ORDER NO. MD0506224C3

(4) DVD-RW (DVD-Video)
+ R/RW (Video)
(5) CD,CD-R/RW [CD-DA, Video CD, SVCD
*1
, MP3
*2
,
*5
, WMA
*3
,
*5
,
JPEG*4 ,*5 , HighMAT Level 2 (Audio and Image)]
*1
Conforming to IEC62107
*2
MPEG-1 Layer 3, MPEG-2 Layer 3
*3
Windows Media Audio Ver.9.0. Class 2A
Not compatible with Multiple Bit Rate (MBR)
*4
Exif Ver 2.1 JPEG Baseline files
Picture resolution: between 160 x 120 and 6144 x 4096 pixels (Sub
sampling is 4:2:2 or 4:2:0)
*5
The total combined maximum number of recognizable audio and
picture contents and groups: 4000 audio and picture contents and
400 groups.
Pick up
Wavelength
CD 785 nm
DVD 662 nm
A
udio output (Disc)
Number of channels 5.1ch(FL,FR,C,SL,SR,SW)
A
udio performance (measurement at: Line out terminal)
Frequency response
CD-Audio 4Hzto20kHz(+1dB,-2dB)
VIDEO SECTION
Video system
Signal system PAL625/50, PAL525/60, NTSC
Composite video output
Output level 1 Vp-p (75 Ω)
Terminal Pinjack(1system)
S-video output
Y output level 1 Vp-p (75 Ω)
C output level 0.3Vp-p(75Ω)(PAL)
0.286 Vp-p (75 Ω)(NTSC)
Terminal S terminal (1 system)
Component video output
[NTSC: 525 (480)p/525 (480)i, PAL: 625 (576)p/625 (576)i]
Y output level 1 Vp-p (75 Ω)
PBoutput level 0.7Vp-p(75Ω)
PRoutput level 0.7Vp-p(75Ω)
Terminal
Pin jack (Y: green, PB:blue,P
R:red)(1system)
GENERAL
Power supply
AC 110 to 127V/220 to 240 V, 50/60Hz
Power consumption 365 W
Power consumption in standby mode:
0.9 W (approximate)
Dimensions (W x H x D) 250 x 330 x 348 mm
Mass 9.4 kg
Operating temperature range +5°C to +35°C
Operating humidity range 5% to 90% RH (no condensation)
SYSTEM
SC-VK82D (GCP) Music System: SF-VK82D (GCP)
Speakers: SB-VK82D (GC)
SC-VK82D (GCS) Music System: SF-VK82D (GCS)
Speakers: SB-VK82D (GC)
SC-VK82D (GS) Music System: SF-VK82D (GS)
Speakers: SB-VK82D (GC)
Notes:
1. Specifications are subject to change without notice. Mass and
dimensions are approximate.
2. Total harmonic distortion is measured by the digital spectrum
analyzer.
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

1 Safety precautions for AC Cord (For GS only) 5
2 Before Use (Caution) 5
3 Before Repair and Adjustment 5
4 Protection Circuitry 5
5 Safety Precautions 6
5.1. General Guidelines 6
6 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices 7
7 Handling the Lead-free Solder 7
7.1. About lead free solder (PbF) 7
8 Precaution of Laser Diode 8
9 Cautions to be taken when handling Optical Pickup 9
9.1. Handling Optical Pickup 9
9.2. Replacing Precautions for Optical Pickup Unit 9
9.3. Grounding for Preventing Electrostatic Destruction 9
10 Accessories 10
11 Operation Procedures 11
12 Disc information 13
13 About HighMAT 15
13.1. What 痴HighMAT? 15
13.2. Why take advantage of HighMAT? 15
13.3. Benefits of HighMAT? 16
14 Optical Pickup Self-Diagnosis and Replacement Procedure 19
14.1. Optical Pickup Breakdown diagnosis 19
15 Self-Diagnosis Function 20
15.1. Entering into Self-Diagnostic Mode 20
15.2. Automatic Displayed Error Codes 20
15.3. Memorized Error Codes 20
15.4. Service Mode Table 1 21
15.5. DVD/CD Self-Diagnosis Error Code Description 21
15.6. Mode Table 2 21
15.7. CR16 Mechanism Ageing Mode 24
15.8. Operation Lock Function 24
15.9. Things to Do After Repair 25
16 Cautions To Be Taken During Servicing 25
16.1. Recovery after the dvd player is repaired 25
16.2. DVD Player Firmware Version Upgrade Process 25
16.3. Firmware Version Upgrade Process by Using Disc and
Recovery Process 25
16.4. Using Recovery Disc 26
16.5. Total Usage Time Display 26
16.6. After replacement of DVD Module 26
17 Disassembly and Assembly of Main Component 27
17.1. Disassembly steps 27
17.2. Disassembly flow chart 28
17.3. Disassembly of Top Cabinet 29
17.4. Disassembly of Rear Panel 29
17.5. Disassembly of DVD Changer Unit 29
17.6. Disassembly of Main P.C.B. 30
17.7. Disassembly of Power Amp P.C.B. 31
17.8. Disassembly of Power P.C.B. 32
17.9. Disassembly of Transformer P.C.B. & Voltage Selector 33
17.10. Disassembly of Front Panel Unit 33
17.11. Disassembly for Mic P.C.B. & Panel P.C.B. 35
17.12. Disassembly of Deck Mechanism Unit 36
17.13. Replacement for Deck P.C.B. 36
17.14. Replacement for Traverse Deck 36
17.15. Replacement for Optical Pickup Unit (DVD mechanism) 37
17.16. Procedure for removing CD loading mechanism 40
17.17. CR16 mechanism disassembly procedure 40
17.18. CR16 mechanism assembly procedure 46
17.19. Disassembly for Traverse Unit 58
17.20. Replacement for cassette lid 59
17.21. Rectification for tape jam problem 60
18 Checking for major P.C.Bs 61
18.1. Checking of Main P.C.B. 61
18.2. Checking of Transformer P.C.B. 62
18.3. Checking of Panel, Deck & Deck Mechanism P.C.B. 63
18.4. Checking of Power P.C.B. 64
19 Measurements and Adjustments 65
19.1. Cassette Deck Section 65
19.2. Tuner Section 66
19.3. Alignment Points 67
20 Block Diagram 68
21 Voltage Measurement 79
22 Schematic Diagram 80
22.1. Optical Pickup Unit Circuit 81
22.2. (A) DVD Module Circuit 82
22.3. (B) Main (Tuner) Circuit 89
22.4. (B) Main Circuit 90
22.5. (C) Panel Circuit & (D) Mic Circuit 99
22.6. (E) Deck Circuit & (F) Deck Mechanism Circuit 101
22.7. (G) Power Circuit 103
22.8. (H) Power Amp Circuit 104
22.9. (I) Transformer Circuit 105
22.10. (J) CD Loading Circuit 106
23 Printed Circuit Board 107
23.1. (A) DVD Module P.C.B. (Side: A & B ) 107
23.2. (B) Main P.C.B. 109
23.3. (C) Panel P.C.B. 111
23.4. (D) Mic P.C.B. & (K) Tuner Pack P.C.B. 113
23.5. (E) Deck P.C.B. & (F) Deck Mechanism P.C.B. 114
23.6. (G) Power P.C.B. & (H) Power Amp P.C.B. 115
23.7. (I) Transformer P.C.B. 117
23.8. (J) CD Loading P.C.B. 118
24 Wiring Connection Diagram 119
25 Illustration of ICs, Transistors and Diodes 121
26 Terminal Function of IC 123
26.1. IC2818 (C2CBJG000653) System Microprocessor 123
27 Parts Location and Replacement Parts List 125
27.1. Deck Mechanism (RAA3413-S) 126
27.2. DVD Loading Mechanism 129
CONTENTS
Page Page
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27.3. Cabinet 132
27.4. Electrical Parts List 135
27.5. Packing Materials & Accessories Parts List 148
27.6. Packaging 149
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1 Safety precautions for AC Cord (For GS only)
2 Before Use (Caution)
Be sure to disconnect the AC cord before adjusting the voltage selector.
Use a minus(-) screwdriver to set the voltage selector (on the rear panel) to the voltage setting for the area in which the unit will
be used. (If the power supply in your area is 110-127V or 220-240V.)
Note that this unit will be seriously damaged if this setting is not made correctly. (There is no voltage selector for some countries,
the correct voltage is already set.)
3 Before Repair and Adjustment
Disconnect AC power, discharge Power Supply Capacitors C5815, C5818, C9513, C9533, C9534, C9816 and C9817 through a
10Ω, 5W resistor to ground.
DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices.
After repairs are completed, restore power gradually using a variac, to avoid overcurrent.
Current consumption at AC 100/110V at 50/60 Hz & AC 240V at 50Hz in NO SIGNAL (vol. min, at CD mode) should be ~500mA
.
4 Protection Circuitry
The protection circuitry may have operated if either of the following conditions are noticed:
· No sound is heard when the power is turned on.
· Sound stops during a performance.
The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are
“shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used.
If this occurs, follow the procedure outlines below:
1. Turn off the power.
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

2. Determine the cause of the problem and correct it.
3. Turn on the power once again after one minute.
Note :
When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again.
5 Safety Precautions
5.1. General Guidelines
1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or
damaged by the short circuit.
2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
3. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.
5.1.1. Leakage Current Cold Check
1. Unplug the AC cord and connect a jumper between the two prongs on the plug.
2. Measure the resistance value, with an ohmmeter, between the jumpered AC plug and each exposed metallic cabinet part on
the equipment such as screwheads, connectors, control shafts, etc. When the exposed metallic part has a return path to the
chassis, the reading should be between 1MΩand 5.2MΩ.
When the exposed metal does not have a return path to the chassis, the reading must be .
Figure 1
5.1.2. Leakage Current Hot Check
(See Figure 1)
1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.
2. Connect a 1.5kΩ, 10 watts resistor, in parallel with a 0.15µF capacitor, between each exposed metallic part on the set and a
good earth ground such as a water pipe, as shown in Figure 1.
3. Use an AC voltmeter, with 1000 ohms/volt or more sensitivity, to measure the potential across the resistor.
4. Check each exposed metallic part, and measure the voltage at each point.
5. Reverse the AC plug in the AC outlet and repeat each of the above measurements.
6. The potential at any point should not exceed 0.75 volts RMS. A leakage current tester (Simpson Model 229 or equivalent) may
be used to make the hot checks, leakage current must not exceed 1/2 milliamp. In case a measurement is out of the limits
specified, there is a possibility of a shock hazard, and the equipment should be repaired and rechecked before it is returned to
the customer.
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

6 Prevention of Electro Static Discharge (ESD) to
Electrostatically Sensitive (ES) Devices
Some semiconductor (solid state) devices can be damaged easily by electricity. Such components commonly are called
Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and
semiconductor “chip” components. The following techniques should be used to help reduce the incidence of component damage
caused by electro static discharge (ESD).
1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on your
body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap,
which should be removed for potential shock reasons prior to applying power to the unit under test.
2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as
aluminium foil, to prevent electrostatic charge build up or exposure of the assembly.
3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.
4. Use only an anti-static solder remover device. Some solder removal devices not classified as “anti-static (ESD protected)” can
generate electrical charge to damage ES devices.
5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.
6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most
replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminium foil or
comparable conductive material).
7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material
to the chassis or circuit assembly into which the device will be installed.
Caution
Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.
8. Minimize body motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the brushing
together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity (ESD) sufficient to
damage an ES device).
7 Handling the Lead-free Solder
7.1. About lead free solder (PbF)
Distinction of PbF P.C.B.:
P.C.B.s (manufactured) using lead free solder will have a PbF stamp on the P.C.B.
Caution:
· Pb free solder has a higher melting point than standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher. Please
use a high temperature soldering iron. In case of soldering iron with temperature control, please set it to 700 ± 20°F (370 ±
10°C).
· Pb free solder will tend to splash when heated too high (about 1100°F/600°C).
· When soldering or unsoldering, please completely remove all of the solder on the pins or solder area, and be sure to heat the
soldering points with the Pb free solder until it melts enough.
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

8 Precaution of Laser Diode
Caution :
This product utilizes a laser diode with the unit turned "ON", invisible laser radiation is emitted from the pick up lens.
Wavelength : 785 nm(CD)/662 nm(DVD)
Maximum output radiation power from pick up : 100 µW/VDE
Laser radiation from pick up unit is safety level, but be sure the followings:
1. Do not disassemble the optical pick up unit, since radiation from exposed laser diode is dangerous.
2. Do not adjust the variable resistor on the pick up unit. It was already adjusted.
3. Do not look at the focus lens using optical instruments.
4. Recommend not to look at pick up lens for a long time.
CAUTION!
THIS PRODUCT UTILIZES A LASER.
USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT
IN HAZARDOUS RADIATION EXPOSURE.
nUse of Caution Labels
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

9 Cautions to be taken when handling Optical Pickup
The laser diode used inside optical pickup could be destroyed due to static electricity as a potential difference is caused by
electrostatic load discharged from clothes or human body. Handling the parts carefully to avoid electrostatic destruction during
repair.
9.1. Handling Optical Pickup
1. Do not impact on optical pickup as the unit structurally uses an extremely precise technology.
2. Short-circuit the flexible cable of optical pickup remove from the circuit board using a short-circuit pin or clip in order to prevent
laser diode from electrostatic destruction (Refer to Fig. 9.1 and Fig. 9.2)
3. Do not handle flexible cables forcibly as this may cause snapping. Handle the parts carefully (Refer to Fig. 9.1)
4. A new optical pickup is equipped with an anti-static flexible cable. After replacing and connecting to the flexible board, cut the
anti-static flexible cable. (Refer to Fig. 9.1)
Fig. 9.1
9.2. Replacing Precautions for Optical Pickup Unit
DVD/CD Optical Pickup
The optical pickup by which part supply was carried out attaches the short clip to the flexible board for laser diode electrostatic
discharge damage prevention. Please remove the short clip and be sure to check that the short land is open, before connecting.
(Please remove solder, when the short land short-circuits.)
9.3. Grounding for Preventing Electrostatic Destruction
1. Human body grounding
Use the anti-static wrist strap to discharge the static electricity accumulated in your body. (Refer to Fig. 9.2)
2. Work place grounding
Place a conductive material (conductive sheet) or iron board where optical pickup is placed. (Refer to Fig. 9.2)
Note :
Keep your clothes away from optical pickup as wrist strap does not release the static electricity charged in clothes.
Fig. 9.2
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

10 Accessories
Remote control
AC cord (For GCS only)
AC cord (For GS only)
AC cord (For GS only)
FM antenna
AM antenna
Video cable
AC Plug Adaptor
(For GCP only)
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

11 Operation Procedures
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12
SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

12 Disc information
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

13 About HighMAT
13.1. What’s HighMAT?
Consumers worldwide are using PCs to create their own collections of music, photos and even video by burning them onto CDs.
But how these collections can be experienced across different devices can be confusing to navigate, time consuming to access for
a DVD player, and be incomplete in terms of music information available to the customer.
HighMAT offers a solution to this growing consumer problem. HighMAT dramatically improves the digital media experience on
consumer electronic devices by delivering a simple, standardized approach that allows consumers who have created personal
collections of digital music, photography and video on their PC to:
>> Create a HighMAT CD or DVD which can be easily played back on consumer electronics devices such as CD and DVD players,
and car stereos.
>> Move digital media files (using recordable media such as CD-R and CD-RW) between the PC and various playback devices
such as CD and DVD players.
A new standard for creating personal media on consumer electronic devices, HighMAT enable easier and more seamless
interoperability between Windows PCs and devices designed for your living room, or the car.
13.2. Why take advantage of HighMAT?
A Problem Defined:Today, when consumers create their own digital audio, video or photo collections on CD-R or other physical
formats, there are numerous, inconsistent ways that devices read the data. For the consumer, the playback experience can be
confusing:
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

A Solution Created: HighMAT delivers a better digital media access experience by creating a standard approach for PCs to
structure digital media on various physical formats and for playback devices to read the data.
13.3. Benefits of HighMAT?
Conventional HighMAT
Even though DVD player is CD-R/RW compatible, the inconsistent ways
that various DVD players can read the music or photos files often leads
to a confusing and inconsistant playback experince.
HighMAT compatible products play content back with consistent
interface. This includes products which are JPEG compatible products
without HighMAT support.
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

HighMAT is now available for CD Burning and in Leading DVD PlayersHighMAT is a new technology that is now available in leading
software and consumer electronic devices to dramatically improve the digital media experience when you create homemade
CDsHighMAT delivers a simple, standardized way for PC software and consumer electronics devices to talk to each other and work
better together.
When you create your homemade CDs with software that supports HighMAT CD burning, and then play them back on a DVD
player that supports HighMAT, you get better, easier navigation. You get folders you can access with a single click of your DVD
player´s remote control. You can view important information about your music like full song names, artist titles, album names and
genre. And you can get faster startup on your home entertainment device.
To enjoy the benefits of HighMAT, all you need is software that supports HighMAT for CD burning of music or photos, as well as
a home entertainment device like a DVD player that supports HighMAT for playback. Always look for the HighMAT logo on your
software or home entertainment device to ensure it supports the HighMAT experience.
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

14 Optical Pickup Self-Diagnosis and Replacement
Procedure
14.1. Optical Pickup Breakdown diagnosis
This unit is equipped with the optical pickup self-diagnosis function and the tilt adjustment check function. Follow the procedure
described below during repair in order to perform self-diagnosis and tilt adjustment effectively. Especially when “NO DISC” is
displayed, be sure to apply the self-diagnosis function before replacing with an optical pickup. Replacement of optical pickup
generally requires when the present value of laser drive exceeds 45 (DVD) or 45 (CD).
Note:
Start diagnosis within three minutes after turning on the power (as diagnosis fails when the unit becomes warm).
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS

15 Self-Diagnosis Function
This unit is equipped with the self-diagnosis function, which displays an error when it occurs, for use during servicing.
15.1. Entering into Self-Diagnostic Mode
15.2. Automatic Displayed Error Codes
15.2.1. Automatic Display Function
For a power unit error, the code is automatically displayed.
F61: Automatically displayed on the LCD of the player.
15.2.2. Re-Display
· For F61 Display
− − −
− When the code, F61 is displayed, the power is automatically turned off.
− − −
− The code, F61 is displayed for three seconds, and then the current time appears.
− − −
− To retrieve the code, turn on the power button so that the code F61 appears, however, is switched to time display after three
seconds, and the power is automatically turned off.
· For F76 Display
− − −
− The abnormalities is an output or the abnormalities in a power supply of POWER AMP IC.
15.2.3. Description of Error Code
15.2.3.1. F61
· State, Condition
When the power is turned on, the unit is automatically turned off. The power does not turn on.
· Cause, Troubleshooting
Power circuit system failure and/or direct current flown to speaker terminal
Identify the cause and replace with new parts.
15.3. Memorized Error Codes
15.3.1. Activating Self-Diagnosis Function and Displaying Method
1. Turn on the power.
2. Select DVD/CD function. With no DVD/CD inserted in the player, press and hold down the button for at least two seconds,
and press the “0” button on the remote control for at least two seconds in order to display “DVD_F---”.
3. Press the button. If a memorized error is detected, the result of self diagnosis is displayed. (Ex.: T H15)
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SA-VK82DGCP / SA-VK82DGCS / SA-VK82DGS