Panasonic SA-HT833VP Bedienungsanleitung

nAMPLIFIER SECTION

RMS output power, 10 % total harmonic distortion

1 kHz FL/FR 65 W per channel 4 Ω

1 kHz Center 240 W per channel 4 Ω

1 kHz SL/SR 65 W per channel 4 Ω

100 Hz Subwoofer 250 W per channel 4 Ω

Total RMS Dolby Digital mode

power

750 W

FTC output power, 1 % total harmonic distortion

120 Hz - 20 kHz FL/FR 42 W per channel 4 Ω

120 Hz - 20 kHz Center 128 W per channel 4 Ω

120 Hz - 20 kHz SL/SR 42 W per channel 4 Ω

45 Hz - 120 kHz Subwoofer 144 W per channel 4 Ω

Total FTC power in Dolby Digital

mode (Band 1 % THD)

440 W

Input sensitivity

UX 250 mV

Input impedance 20 kΩ

nDISC SECTION

Discs played [8 cm (3”) or 12 cm (5”)]

rights reserved. Unauthorized copying and

distribution is a violation of law.

SA-HT833VP

Colour

(S)... Silver Type

1. DVD-RAM (DVD-VR formatted discs, JPEG formatted discs)

2. DVD-Audio

3. DVD-Video

4. DVD-R, DVD-RW (DVD-Video compatible) +R, +RW (Video

compatible)

5. CD-Audio (CD-DA)

6. Video CD

7. SVCD (Conforming to IEC62107)

8. CD-R/CD-RW (CD-DA, Video-CD, SVCD, MP3, WMA, JPEG

formatted discs)

9. MP3/WMA

Maximum number of tracks and groups recognizable:

4000 tracks and 400 groups

Compatible compression rate:

MP3: between 32 kbps and 320 kbps

WMA: between 48 kbps and 320 kbps

10. JPEG

Exif Ver 2.1 JPEG Baseline files

Maximum number of pictures and groups recognizable:

4000 pictures and 400 groups

Picture resolution: between 320x240 and 6144x4096 pixels

(sub sampling is 4:2:2 or 4:2:0)

11. HighMATTM Level 2 (Audio and Image)

DVD/VHS Home Theater Sound System

Specifications

ORDER NO. MD0503087C1

Video

Signal system NTSC

Output level Composite video: 1 Vp-p (75Ω)

S-video: 1 Vp-p (Y), 0.286 Vp-p (C) (75Ω)

Component video: 1 Vp-p (Y) (75Ω)

0.7 Vp-p (PB/CB,P

R/CR)(75Ω)

udio

Sampling frequency

CD 44.1 kHz

MP3 32 kHz, 44.1 kHz, 48 kHz

DVD VIDEO 48 kHz, 96 kHz

DVD-Audio 192 kHz

Decoding 16/20/24 bit linear

Pick up

Beam Source Semiconductor Laser

Wavelength

CD/VCD 785 nm

DVD 662 nm

Number of channels 5.1ch(FL,FR,SL,SR,C,SW)

Frequency response 20 Hz - 20 kHz (+1, -2 dB)

nVHS SECTION

Video recording system 2 rotary heads, helical scanning

system

Video heads 4 heads

udio heads 2 heads

Tape speed SP: 33.35 mm/s, EP: 11.12 mm/s

Tape format VHS tape

Recording/playback time SP: 120 min. with NV-T120

EP: 360 min. with NV-T120

FF/REW time Approx. 54 s. with NV-T120

(FF/REW)

Approx. 36 s. with NV-T120 (JET

REW)

VIDEO

Television system EIA: Standard (525 lines, 60

fields), NTSC color signal

Modulation system Luminance: FM azimuth recording

Color signal: converted subcarrier phase shift recording

Input level VIDEO IN: 1 Vp-p, 75Ω

Output level VIDEO OUT: 1 Vp-p, 75Ω

ntenna receive input VHF 2-13 CH, 75Ω

UHF 14-69 CH, 75Ω

CATV 5A and A-5-EEE CH, 75Ω

UDIO

Input level AUDIO IN (PHONO): -10 dBV,

47 kΩ

Output level AUDIO OUT (PHONO): -8 dBV,

1kΩ

udio track 1 track (normal-mono only),

2 channels (Hi-Fi sound stereo)

Video horizontal resolution Color: more than 200 lines

Signal-to-Noise ratio Video: more than 40 dB/SP

Audio: more than 60 dB/Hi-Fi

udio frequency response 20 Hz-20 kHz/Hi-Fi

Wow and flutter 0.005 %

nFM TUNER SECTION

Frequency range 87.9 - 107.9 MHz (200 kHz step)

87.5 - 108.0 MHz (100 kHz step)

Sensitivity 2.5µV (IHF)

S/N 26 dB 2.2 µV

ntenna terminals 75 Ω(unbalanced)

Preset station 15

nAM TUNER SECTION

Frequency range 520 -1710 kHz (10 kHz step)

M Sensitivity S/N 20 dB at 1000

kHz

560 µV/m

Preset station 15

nGENERAL

RF converter Not provided

Power supply AC 120 V, 60Hz

Power consumption

Main unit 38 W

ctive subwoofer (SB-WA833) 340 W

Dimensions (W x H x D) 430 mm x 105 mm x 354 mm

(16-15/16” x 4-1/8” x 13-15/16”)

Mass 4.5 kg (9.92 lbs)

Power consumption in standby mode (when Demo function is off)

BRIGHT mode Approx. 3.7 W (main unit) + 0 W

(subwoofer)

DIM mode Approx. 3.4 W (main unit) + 0 W

(subwoofer)

OFF mode Approx. 1.9 W (main unit) + 0 W

(subwoofer)

nSYSTEM

SC-HT833V (P) Main unit: SA-HT833V (P)

Satellie speaker: SB-HT830 (P)

Active subwoofer: SB-WA833 (PP)

nSPEAKER

SB-HT830 (P) Front and surround speakers:

SB-FS730 (P) x 2,

SB-FS731 (P) x 2

Center speaker: SB-PC730 (P) x 1

Notes:

1. Specifications are subject to change without notice.

Mass and dimensions are aproximate.

2. Total harmonic distortion is measured by the digital spectrum

analyzer.

SA-HT833VP

1 Powering Up of the Main Unit 5

2 Before Repair and Adjustment 6

3 Protection Circuitry 6

4 Safety Precautions 7

4.1. General Guidelines 7

5 Handling the Lead-free Solder 8

5.1. About lead free solder (PbF) 8

6 Prevention of Electro Static Discharge (ESD) to

Electrostatically Sensitive (ES) Devices 9

7 Accessories 10

8 Precaution of Laser Diode 11

8.1. Cautions to be taken during replacement of optical pickup

9 Optical Pickup Self-Diagnosis and Replacement Procedure

(DVD Section) 13

9.1. Self-diagnosis 13

10 Self-Diagnosis Function and Service Mode 14

10.1. Self-Diagnosis Function (VTR Section) 14

10.2. Self-Diagnosis Function (DVD Section) 18

10.3. Mode Table 21

10.4. Lock Function 23

10.5. Cautions To Be Taken During Servicing 23

11 CHECKING POINTS FOR SYS COM TIMER MY-COM (IC6001)

(VIDEO) 24

11.1. Points to check when replacing 24

11.2. Initial setting when replacing My-com. 24

11.3. Initial figure (#) setting procedure 24

12 Adjustment Procedure (DVD Section) 26

12.1. Required Tools and Equipment 26

12.2. Necessity of Adjustment 26

12.3. Storing and Handling Test Discs 26

12.4. Optical Adjustment (Optical Pickup Tilt Adjustment) 26

13 Operation Procedure 29

14 Disc information 31

15 About HighMAT 33

15.1. What 痴HighMAT? 33

15.2. Why take advantage of HighMAT? 33

15.3. Benefits of HighMAT? 34

16 Assembling and Disassembling 37

16.1. Disassembly flow chart 37

16.2. P.C.B. Positions 38

16.3. Disassembly of Top Panel 39

16.4. Disassembly of Front Panel 39

16.5. Disassembly of VTR Mecha Unit 40

16.6. Disassembly of DVD Mecha Unit 41

CONTENTS

Page Page

SA-HT833VP

16.7. Disassembly of ASP P.C.B. 41

16.8. Disassembly of Rear Panel 41

16.9. Disassembly of Power P.C.B. 42

16.10. Disassembly of Main P.C.B. 42

16.11. Disassembly of Front Panel A P.C.B. 42

16.12. Disassembly of Front Panel B P.C.B. 43

16.13. Procedure for removing CR16 mechanism (Precaution) 43

16.14. CR16 mechanism disassembly procedure 43

16.15. CR16 MECHANISM ASSEMBLY PROCEDURE 53

16.16. Disassembly of traverse mechanism 65

16.17. Removing the Cassette Tape Manually 67

17 Procedure for checking of the major P.C.B. 69

17.1. Checking the DVD Module P.C.B., CD Loading P.C.B. and

Main P.C.B. 69

17.2. Checking ASP P.C.B., Front Panel A P.C.B., Front Panel

B P.C.B. & Power P.C.B. 69

18 Voltage Measurement and Waveform Chart 70

18.1. Voltage Measurement 70

18.2. Waveform Chart 75

19 Illustration of IC 痴, Transistors and Diodes 77

20 Terminal Function of ICｴs 78

20.1. IC36001 (C2CBJG000576) IC MICROCONTROLLER 78

21 Block Diagram 79

21.1. DVD Module Block 79

21.2. Main Block 82

22 Notes of Schematic Diagram 90

23 Schematic Diagram 91

23.1. Optical Pickup Unit Circuit 91

23.2. DVD Module Circuit 92

23.3. Main Circuit 99

23.4. ASP Circuit 111

23.5. Power Circuit 116

23.6. Front Panel B Circuit 117

23.7. Front Panel A Circuit 119

23.8. CD Loading Circuit 120

23.9. VCR Deck Circuit 121

24 Printed Circuit Board 122

24.1. DVD Module P.C.B. (Side A and Side B) 122

24.2. Main P.C.B. 124

24.3. ASP P.C.B. 126

24.4. Power P.C.B. 128

24.5. Front Panel B P.C.B. 130

24.6. Front Panel A P.C.B. 132

24.7. CD Loading P.C.B. and VCR Deck P.C.B. 134

25 Wiring Connection Diagram 135

26 Parts Location and Replacement Parts List 137

26.1. CD Loading Mechanism 138

26.2. Cassette Mechanism 141

26.3. Cabinet 143

26.4. Electrical Parts List 145

26.5. Packing Materials & Accessories Parts List 157

26.6. Packaging 157

SA-HT833VP

1 Powering Up of the Main Unit

1. This model has 2 AC inlets, each on Main Set and Active Subwoofer.

2. Power supply on Main Set supplies to VCR, DVD & FM/AM Tuner system. Power supply on Active Subwoofer supplies to sound

system.

Function Output Sound Control

VCR DVD FM AM Speaker Audio Line

Out

Head phone Video

Normal Model

Main Set AC :ON O O O O O O O O O

Active Subwoofer AC :ON

Player Model

Main Set AC :ON O O O O X O X O X

Active Subwoofer AC :OFF

SA-HT833VP

2 Before Repair and Adjustment

Disconnect AC power, discharge Power Supply Capacitors C1140 , C1250, C1280, C1128, C1121, C1125 & C1126 through a 10

Ω, 1W 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 120V, 60Hz in NO SIGNAL mode should be ~318 mA.

3 Protection Circuitry

The protection circuitry may have operated if either of the following conditions is noticed:

No sound is heard when the power is switched 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 this unit are used.

If this occurs, follow the procedure outlines below:

1. Switch OFF the power.

2. Determine the cause of the problem and correct it.

3. Switch ON the power once again.

Note :

When the protection circuitry functions, the unit will not operate unless the power is first switched OFF and then ON again.

SA-HT833VP

4 Safety Precautions

4.1. 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, ensure that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

3. After servicing, check for leakage current checks to prevent from being exposed to shock hazards.

(This “Safety Precaution” is applied only in U.S.A.)

1. Before servicing, unplug the power cord to prevent an electric shock.

2. When replacing parts, use only manufacturer’s recommended components for safety.

3. Check the condition of the power cord. Replace if wear or damage is evident.

4. After servicing, be sure to restore the lead dress, insulation barriers, insulation papers, shields, etc.

5. Before returning the serviced equipment to the customer, be sure to make the following insulation resistance test to prevent the

customer from being exposed to a shock hazard.

4.1.1. Leakage Current Cold Check

1. Unplug the AC cord and connect a jumper between the two prongs on the plug.

2. Using an ohmmeter measure the resistance value, 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 .

Fig. 1

4.1.2. 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. Should the 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.

SA-HT833VP

4.1.3. Caution for fuse replacement

5 Handling the Lead-free Solder

5.1. 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.

SA-HT833VP

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-equiped 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 equiped 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).

SA-HT833VP

Remote control

AC power supply cord

AM loop antenna

FM indoor antenna

Video cable

System cable

RF cable

Speaker Cable

Stickers

7 Accessories

SA-HT833VP

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