Table of Contents
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Notes: This model's CD mechanism changer unit is CRS1. Please refer to the original Service Manual
(Order No. MD0509368C0) for this mechanism.
Specifications
n AMPLIFIER SECTION
RMS output power
THD 10%,
1 kHz
(Low channel-both channels driven)
10 kHz
(High channel-both channels driven)
60 Hz
(Subwoofer channel)
Total output power
n FM/AM TUNER, TERMINALS SECTION
Preset station
Frequency Modulation (FM)
Frequency range
Sensitivity
S/N 26dB
Antenna terminal(s)
Amplitude Modulation (AM)
Frequency range
Sensitivity
90 W per channel (3 Ω)
90 W per channel (3 Ω)
180 W (8 Ω)
FM 15 stations
AM 15 stations
87.50 to 108.00 MHz (50 kHz steps)
4.0 µV (IHF)
75 Ω (unbalanced)
522 to 1629 kHz (9 kHz step)
520 to 1630 kHz (10 kHz step)
SA-AK640GCP
Colour
(S)... Silver Type
S/N 20dB (at 999 kHz)
Music Port input jack
Terminal
Sensitivity
Phone jack
Terminal
Mic jack
Terminal
Sensitivity
n CASSETTE DECK SECTION
Track system
540 W
Heads
Record/playback
Erasure
Motor
Recording system
Erasing system
Tape speed
Overall frequency response (+3, -6 dB) at DECK OUT
2.2 µV
NORMAL
S/N ratio
Wow and flutter
Fast forward and rewind time
n DISC SECTION
© 2006 Matsushita Electric Industrial Co. Ltd.. All
rights
distribution is a violation of law.
ORDER NO. MD0601013C3
CD Stereo System
Stereo, 3.5 mm jack
Stereo, 3.5 mm jack
Mono, 3.5 mm jack
4 track, 2 channel
Solid permalloy head
Double gap ferrite head
AC bias 100 kHz
AC erase 100 kHz
35 Hz to 14 kHz
50 dB (A weighted)
0.18 % (WRMS)
Approx. 120 seconds with
C-60 cassette tape
reserved.
Unauthorized
560 µV/m
100 mV, 4.7 kΩ
0.7 mV, 680 Ω
DC servo motor
4.8 cm/s
copying
and
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Table of Contents
Related Manuals for Panasonic SA-AK640 GBP
Summarization of Contents
Specifications
Amplifier Section
Details of the audio amplifier output power and frequency response.
FM/AM Tuner and Terminals Section
FM/AM tuner specifications and terminal connections for the unit.
Cassette Deck Section
Specifications for the cassette deck, including track system and heads used.
Disc Section
Specifications related to CD playback, including supported formats and playback features.
Safety Precautions and Handling
General Safety Guidelines and Leakage Current Checks
Important safety guidelines, including cold and hot checks for leakage current.
Before Use and Repair Precautions
Procedures for safe operation, voltage selection, and precautions before repair.
Prevention of Electro Static Discharge (ESD)
Techniques to prevent damage to sensitive electronic components from static electricity.
Handling Precautions for Traverse Deck and Laser Diode
Specific handling instructions for the traverse deck, laser diode, and grounding.
Handling Lead-free Solder
Guidelines for working with lead-free solder, including melting points and safety.
System Features and Operation
CRS1 Mechanism Overview
An overview of the five-disc CD changer mechanism (CRS1) and its features.
Music Port Functionality
Details on how to connect and use portable audio equipment with the Music Port feature.
Service Procedures and Technical Diagrams
Assembling and Disassembling Procedures
Step-by-step instructions for disassembling and assembling various parts of the unit.
Adjustment Procedures
Detailed procedures for adjusting the cassette deck and tuner sections for optimal performance.
Wiring Connection Diagram
Diagram showing how all the internal circuit boards are connected to each other.
Block Diagram
A high-level overview of the unit's internal functional blocks and their interconnections.
Schematic Diagrams
Notes of Schematic Diagrams
Important notes and symbols used in the schematic diagrams for correct interpretation.
CD Servo Circuit
Detailed schematic of the CD servo control circuitry, including optical pickup and motor drivers.
Main (Tuner) Circuit
Schematic of the main unit's tuner section, covering FM/AM reception and processing.
Main Circuit
Detailed schematic of the main processing and control circuits of the unit.
Panel Circuit
Schematic of the front panel circuitry, including controls, display, and input jacks.
Transformer Circuit
Schematic of the power transformer and related voltage regulation circuits.
Power Circuit
Detailed schematic of the power supply circuits, including voltage regulators and power amplifiers.
Deck Circuit and Deck Mechanism Circuit
Schematics for the cassette deck operation and the detailed deck mechanism control circuits.
Printed Circuit Board Layouts
CD Servo P.C.B. Layout
Component layout diagram for the CD servo printed circuit board.
Main P.C.B. Layout
Component layout diagram for the main printed circuit board, showing major ICs and components.
Panel P.C.B. Layout
Component layout diagram for the front panel printed circuit board.
Transformer P.C.B. Layout
Component layout diagram for the transformer printed circuit board.
Power P.C.B. Layout
Component layout diagram for the power supply printed circuit board.
Deck P.C.B., Deck Mechanism P.C.B. & Tuner Pack P.C.B. Layouts
Component layout diagrams for the deck, deck mechanism, and tuner pack printed circuit boards.
Component Identification and Functions
Illustration of ICs, Transistors, and Diodes
Visual identification of common semiconductor components with their part numbers.
Terminal Function of ICs
Pin assignments and functional descriptions for key integrated circuits (ICs) used in the unit.
Exploded Views and Parts List
Exploded Views of Cabinet and Mechanism Parts
Illustrated breakdowns of the unit's physical components for assembly and repair reference.
Replacement Parts List
A comprehensive list of all replaceable parts with their corresponding part numbers and descriptions.
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