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Model
SA-AKX200PN SA-AKX200PS SA-AKX400PN SA-AKX400PS
Pages
72
Size
8.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / CD STEREO SYSTEM
File
sa-akx200pn-sa-akx200ps-sa-akx400pn-sa-akx400ps.pdf
Date

Panasonic SA-AKX200PN / SA-AKX200PS / SA-AKX400PN / SA-AKX400PS Service Manual ▷ View online

9
Figure 2-1
2.3.
General description about Lead Free Solder (PbF)
The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this
equipment in considering the globally environmental conservation. 
The normal solder is the alloy of tin (Sn) and lead (Pb). On the other hand, the lead free solder is the alloy mainly consists of tin
(Sn), silver (Ag) and Copper (Cu), and the melting point of the lead free solder is higher approx.30 degrees C (86
°
F) more than that
of the normal solder.
Definition of PCB Lead Free Solder being used
Service caution for repair work using Lead Free Solder (PbF)
• The lead free solder has to be used when repairing the equipment for which the lead free solder is used.
(Definition: The letter of “PbF” is printed on the PCB using the lead free solder.)
• To put lead free solder, it should be well molten and mixed with the original lead free solder.
• Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC.
• Since the melting point of the lead free solder is higher than that of the normal lead solder, it takes the longer time to melt the
lead free solder.
• Use the soldering iron (more than 70W) equipped with the temperature control after setting the temperature at 350±30 degrees
C (662±86
°
F).
Recommended Lead Free Solder (Service Parts Route.)
• The following 3 types of lead free solder are available through the service parts route.
RFKZ03D01K-----------(0.3mm 100g Reel)
RFKZ06D01K-----------(0.6mm 100g Reel)
RFKZ10D01K-----------(1.0mm 100g Reel)
Note
* Ingredient: tin (Sn), 96.5%, silver (Ag) 3.0%, Copper (Cu) 0.5%, Cobalt (Co) / Germanium (Ge) 0.1 to 0.3%
2.4.
Handling Precautions for Traverse Unit
The laser diode in the optical pickup unit may break down due to static electricity of clothes or human body. Special care must be
taken avoid caution to electrostatic breakdown when servicing and handling the laser diode in the traverse unit.
2.4.1.
Cautions to Be Taken in Handling the Optical Pickup Unit
The laser diode in the optical pickup unit may be damaged due to electrostatic discharge generating from clothes or human body.
Special care must be taken avoid caution to electrostatic discharge damage when servicing the laser diode.
1. Do not give a considerable shock to the optical pickup unit as it has an extremely high-precise structure.
2. To prevent the laser diode from the electrostatic discharge damage, the flexible cable of the optical pickup unit removed
should be short-circuited with a short pin or a clip.
3. The flexible cable may be cut off if an excessive force is applied to it. Use caution when handling the flexible cable.
4. The antistatic FFC is connected to the new optical pickup unit. After replacing the optical pickup unit and connecting the flexi-
The letter of “PbF” is printed either foil side or components side on the PCB using the lead free solder.
 
(See right figure)
10
ble cable, cut off the antistatic FFC.
Figure 2-2
2.5.
Grounding for electrostatic breakdown prevention
• As for parts that use optical pick-up (laser diode), the optical pick-up is destroyed by the static electricity of the working environ-
ment. 
Repair in the working environment that is grounded.
2.5.1.
Worktable grounding
• Put a conductive material (sheet) or iron sheet on the area where the optical pickup is placed and ground the sheet.
2.5.2.
Human body grounding
• Use the anti-static wrist strap to discharge the static electricity form your body (Figure 2-3).
Figure 2-3
11
3 Service Navigation
3.1.
Service Information
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.
3.1.1.
Software Update Procedure
12
4 Specifications
Q
 Amplifier section
RMS output power stereo mode
Front Ch (both ch driven)
200 W per channel (4 
Ω
),
1 kHz, 30% THD (for AKX200)
300 W per channel (3 
Ω
),
1 kHz, 30% THD (for AKX400)
Total RMS stereo mode power
400 W (for AKX200)
600 W (for AKX400)
Q
  Tuner, terminals section
Preset memory
FM 30 stations
 
AM 15 stations
Frequency modulation (FM)
Frequency range
 87.5 MHz to 108.0 MHz
(100 kHz step) (for PN)
 87.9 MHz to 107.9 MHz
(200 kHz step) (for PN)
 87.50 MHz to 108.00 MHz
(50 kHz step) (for PS)
Antenna terminals
75 
Ω
 (unbalanced)
Amplitude modulation (AM)
Frequency range
520 kHz to 1710 kHz
(10 kHz step) (for PN)
522 kHz to 1629 kHz
(9 kHz step) (for PS)
520 kHz to 1630 kHz
(10 kHz step) (for PS)
AUX 1
Audio input
Pin jack (1 system)
AUX 2 (for AKX400)
Sensitivity
100 mV, 4.7 k 
Ω
Q
 Disc section
Discs played (8 cm or 12 cm)
CD, CD-R/RW (CD-DA, MP3*)
* MPEG-1 Layer 3
Pick up
Wavelength
790 nm (CD)
Q
 USB section
USB Port
USB standard
USB 2.0 full speed
Media file format support
 MP3 (*.mp3)
USB device file system
FAT12, FAT16, FAT32
USB recording
Bit rate
128 kbps
USB recording speed
1x, 3x (CD only)
Recording file format
MP3 (*.mp3)
Q
 Internal memory section (for AKX400)
Memory
Memory size
2 GB
Media file format support
MP3 (*.mp3)
Memory recording
Bit rate 
128 kbps
Memory recording speed
1x, 3x (CD only)
Recording file format
MP3 (*. Mp3)
Q
 Bluetooth
®
 section
Version
Bluetooth
®
 Ver.2.1 + EDR
Class
Class 2
Supported profiles
A2DP, AVRCP, SPP
(for AKX200)
A2DP, AVRCP, SPP, OPP, FTP
(for AKX400)
Operating frequency
2.4 GHz band, FH-SS
Operating distance
10 m line of sight
Q
 General
Power supply
AC 120 V, 60 Hz (for PN)
AC 220 to 240 V, 50/60 Hz
(for PS)
Power consumption
53 W (for AKX200PN)
60 W (for AKX200PS)
71 W (for AKX400PN)
86 W (for AKX400PS)
Dimensions (W x H x D)
348 mm x 193 mm x 251 mm
Mass
2.5 kg
Operating temperature range
°
C to +40 
°
C
Operating humidity range
35% to 80% RH
(no condensation)
Power Consumption in standby 
mode (approximate)
0.3 W (for PN)
0.5 W (for PS)
Power Consumption in standby 
mode (approximate)                   
(With "BLUETOOTH STANDBY" set 
to "ON")
0.4 W (for PN)
0.6 W (for PS)
Note:
1.
Specifications are subject to change without notice.
Mass and dimension are appropriate
2.
Total harmonic distortion is measured by the digital spectrum 
analyzer.
Q
 System: SC-AKX200PNK
Main Unit: SA-AKX200PNK
Speakers: SB-AKX200PNK
Q
 System: SC-AKX200PSK
Main Unit: SA-AKX200PSK
Speakers: SB-AKX200PNK
Q
 System: SC-AKX400PNK
Main Unit: SA-AKX400PNK
Speakers: SB-AKX400PNK
Q
 System: SC-AKX400PSK
Main Unit: SA-AKX400PSK
Speakers: SB-AKX400PNK
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