DOWNLOAD Panasonic SA-AKX200E / SA-AKX200GN / SA-AKX200PR Service Manual ↓ Size: 4.41 MB | Pages: 45 in PDF or view online for FREE

PSG1503006AE

Product Color:  (K)...Black Type 

PAGE

PAGE

1 Notes ----------------------------------------------------------------- 3
2 Safety Precautions----------------------------------------------- 4

2.1. General Guidelines---------------------------------------- 4
2.2. Before Repair and Adjustment ------------------------- 5
2.3. Protection Circuitry ---------------------------------------- 5
2.4. Caution For AC Cord ------------------------------------- 6
2.5. Power Supply using SMPS Module------------------- 7
2.6. Safety Parts Information --------------------------------- 8

3 Warning -------------------------------------------------------------- 9

3.1. Prevention of Electrostatic Discharge (ESD)

to Electrostaticy Sensitive (ES) Devices ---------- 9

3.2. Precaution of Laser Diode ------------------------------- 9
3.3. General description about Lead Free Solder

(PbF) -------------------------------------------------------- 10

3.4. Handling Precautions for Traverse Unit ------------ 10
3.5. Grounding for electrostatic breakdown

prevention-------------------------------------------------- 11

4 Specifications ---------------------------------------------------- 12
5 Block Diagram --------------------------------------------------- 13

2

5.1. System Control ------------------------------------------- 13
5.2. Audio -------------------------------------------------------- 15
5.3. Power Supply --------------------------------------------- 16

6 Schematic Diagram--------------------------------------------- 18

6.1. Main (Micon) Circuit (1/2) (For AKX200E/GN)---- 18
6.2. Main (Micon) Circuit (2/2) (For AKX200E/GN)---- 19
6.3. Main (USB) Circuit (For AKX200E/GN) ------------ 20
6.4. Main (Tuner AUX) Circuit (For AKX200E/GN) ---- 21
6.5. Main (DSP Bluetooth) Circuit (For AKX200E/

GN) ---------------------------------------------------------- 22

6.6. Main (Damp) Circuit (For AKX200E/GN)----------- 23
6.7. Main (Voltage Regulator) Circuit (For

AKX200E/GN)--------------------------------------------- 24

6.8. Main (Micon) Circuit (1/2) (For AKX200PR) ------- 25
6.9. Main (Micon) Circuit (2/2) (For AKX200PR) ------- 26

6.10. Main (USB) Circuit (For AKX200PR)---------------- 27

6.11. Main (Tuner AUX) Circuit (For AKX200PR) ------- 28

6.12. Main (DSP Bluetooth) Circuit (For

AKX200PR)------------------------------------------------ 29

6.13. Main (Damp) Circuit (For AKX200PR) -------------- 30
6.14. Main (Voltage Regulator) Circuit (For

AKX200PR)------------------------------------------------ 31

6.15. Panel Circuit ----------------------------------------------- 32
6.16. USB and CD Interface Circuit ------------------------- 33

7 Printed Circuit Board ------------------------------------------ 34

7.1. Main P.C.B. (For AKX200E/GN)---------------------- 34
7.2. Main P.C.B. (For AKX200PR) ------------------------- 35
7.3. Panel, USB P.C.B. and CD Interface P.C.B.------- 36

8 Exploded View and Replacement Parts List ----------- 37

8.1. Cabinet Parts Location 1 ------------------------------- 37
8.2. Cabinet Parts Location 2 ------------------------------- 38
8.3. Packaging -------------------------------------------------- 39
8.4. Mechanical Replacement Part List ------------------ 41
8.5. Electrical Replacement Parts List -------------------- 43

3

This service manual contains technical information which will allow service personnel’s to understand and service this model.
Please place orders using the parts list and not the drawing reference numbers.
If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with original service
manual.

1) This service manual does not contains the following information
This simplified service manual is base on SA-AKX200PSK. Please refer to the original service manual, SA-AKX200PSK (Order No.
PSG1502007CE) for the below mention contents.

- Service Navigation
- Location of Controls and Components
- Service Mode
- Troubleshooting Guide
- Disassembly and Assembly Instructions
- Service Position
- Wiring Connection Diagram
- Appendix Information of Schematic Diagram

- Safety Precautions
- Warning
- Specifications
- Block Diagram
- Schematic Diagram
- Printed Circuit Board
- Exploded View and Replacement Parts List

4

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. 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

Ω

 and 5.2M

Ω

.

When the exposed metal does not have a return path to the chassis, the reading must be 

1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.
2. Connect a 1.5k

Ω

, 10 watts resistor, in parallel with a 0.15

μ

F 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