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SA-AKX76LM-K PDF даташит

Спецификация SA-AKX76LM-K изготовлена ​​​​«Panasonic» и имеет функцию, называемую «CD Stereo System Service Manual».

Детали детали

Номер произв SA-AKX76LM-K
Описание CD Stereo System Service Manual
Производители Panasonic
логотип Panasonic логотип 

70 Pages
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SA-AKX76LM-K Даташит, Описание, Даташиты
MEX1307007CE
CD Stereo System
Model No. SA-AKX76LM-K
Product Color: (K)...Black Type
Please refer to the original service manual for:
CD Mechanism Unit , Order No. PSG1102001CE
Speaker system SB-AKX76LM-K, Order No. MEX1307008CE
Nota: El idioma original de este Manual de Servicio es en idioma inglés, sin embargo algunas notas
aquí mencionadas serán escritas en español para mejor descripción para Centros de Servicio de México.
TABLE OF CONTENTS
1 Safety Precautions
1.1. General Guidelines
1.3. Before Repair and Adjustment
1.4. Protection Circuitry
1.5. Caution For Fuse Replacement
1.6. Safety Parts Information
2 Warning
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatically Sensitive (ES) Devices
2.2. Precaution of Laser Diode
2.3. Service caution based on Legal restrictions
2.4. Handling Precautions for Traverse Unit
2.5. Grounding for electrostatic breakdown
prevention
3 Service Navigation
3.1. Service Information
4 Specifications
5 General/Introduction
5.1. Media Information
6 Location of Controls and Components
6.1. Remote Control Key Button Operation
6.2. Main Unit Key Button Operation
7 Installation Instructions
7.1. Speaker and A/C Connection
8 Service Mode
8.1. Cold-Start
8.2. Doctor Mode Table
8.3. Reliability Test Mode (CD Mechanism Unit)
8.4. Self-Diagnostic Mode
8.5. Self-Diagnostic Error Code Table
8.6. Sales Demonstration Lock Function
© Panasonic Corporation 2013. All rights reserved.
Unauthorized copying and distribution is a violation
of law.









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SA-AKX76LM-K Даташит, Описание, Даташиты
9 Troubleshooting Guide
10 Disassembly and Assembly Instructions
10.1. Screw Types
10.2. Disassembly Flow Chart
10.3. Main Components and P.C.B. Locations
10.4. Disassembly of Top Cabinet
10.5. Disassembly of Front Panel Unit
10.6. Disassembly of Panel P.C.B., LED P.C.B. and
Music Port P.C.B.
10.7. Disassembly of Remote Sensor P.C.B.
10.8. Disassembly of USB P.C.B.
10.9. Disassembly of CD Lid
10.10. Disassembly of Rear Panel
10.11. Disassembly of Main P.C.B.
10.12. Disassembly of SMPS P.C.B.
10.13. Disassembly of CD Mechanism Unit
10.14. Disassembly of CD Interface P.C.B.
10.15. Disassembly of Fan Unit
11 Service Position
11.1. Checking of Panel P.C.B.
11.2. Checking of Main P.C.B. (Side A)
11.3. Checking of Main P.C.B. (Side B)
11.4. Checking of SMPS P.C.B.
12 Block Diagram
12.1. Servo & System Control
12.2. Audio
12.3. Power Supply
13 Wiring Connection Diagram
14 Schematic Diagram
14.1. Schematic Diagram Notes
14.2. MAIN (CD Servo/Micon/Damp) Circuit
14.3. Panel Circuit
14.4. USB, Music Port, Memory LED & Remote
Sensor Circuit
14.5. SMPS Circuit
14.6. CD Interface Circuit
15 Printed Circuit Board
15.1. Main P.C.B.
15.2. Panel, USB, Music Port & Memory LED
P.C.B.
15.3. SMPS
15.4. Remote Sensor & CD Interface P.C.B.
16 Appendix Information of Schematic Diagram
16.1. Voltage & Waveform Chart
17 Exploded View and Replacement Parts List
17.1. Exploded View and Mechanical replacement
Part List
17.2. Electrical Replacement Part List









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SA-AKX76LM-K Даташит, Описание, Даташиты
1 Safety Precautions
1.1. General Guidelines
1. IMPORTANT SAFETY NOTICE
There are special components used in this equipment which are important for safety. These parts are marked by in the
Schematic Diagrams, Circuit Board Layout, Exploded Views and Replacement Parts List. It is essential that these critical parts
should be replaced with manufacturer’s specified parts to prevent X-RADIATION, shock, fire, or other hazards. Do not modify
the original design without permission of manufacturer.
2. An Isolation Transformer should always be used during the servicing of AC Adaptor whose chassis is not isolated from the AC
power line. Use a transformer of adequate power rating as this protects the technician from accidents resulting in personal
injury from electrical shocks. It will also protect AC Adaptor from being damaged by accidental shorting that may occur during
servicing.
3. 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.
4. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
5. After servicing, make the following leakage current checks to prevent the customer from being exposed to shock hazards.
1.1.1. 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 1M: and 5.2M:.
When the exposed metal does not have a return path to the chassis, the reading must be
1.1.2. Leakage Current Hot Check
1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.
2. Connect a 1.5k:, 10 watts resistor, in parallel with a 0.15PF capacitors, between each exposed metallic part on the set and a
good earth ground such as a water pipe, as shown in Figure 1-1.
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 outside 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.
Figure 1-1










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