Panasonic SA-AK66 - Service Manual

ORDER NO. MD0102038C1
Service Manual
COMPACT
DIGITAL AUDIO
i
Remote
Control
Transmitter
S8-AKGG
Specifications
@ AMPLIFIER SECTION
Power output
THD 10% Total harmonic distortion
(Front 1 kHz)
(Center 1 kHz)
(Surround 1 kHz)
Total output in stereo mode
Total output in Dolby Pro Logic
mode
FTC Power output
THD 10% Total harmonic distortion
(Front 70-16 KHz)
(Center 70-16 kHz)
(Surround 70-16 kHz)
Total output in stereo mode
Total output in Dolby Pro Logic
mode
Input sensitivity
AUX
Input Impedance
AUX
@ FM TUNER SECTION
Frequency range
Sensitivity
SA-AKE6 SB-AKSS6
70 W per channel (6 Q)
70 W per channel (8 Q)
35 W per channel (8 Q)
140 W
280 W
60 W per channel (6 Q)
70 W per channel (8 Q)
35 W per channel (8 Q)
120 W
260 W
250 mV
13 kQ
87.9 - 107.9 MHz (200 kHz steps)
87.5 - 108.0 MHz (100 kHz steps)
2.5 pV (IHF)
Panasonic
CD Stereo System
SA-AK66
Colour
(S)... Silver Type
Area
(P)... U.S.A.
(PC)... Canada
TAPE SECTION :
SG-2W MECHANISM SERIES
CD SECTION :
RAE0152Z-3 TRAVERSE DECK SERIES
S/N 26 dB
Antenna terminal(s)
@ AM TUNER SECTION
Frequency range
Sensitivity
S/N 20 dB (at 1000 kHz)
@ CASSETTE DECK SECTION
Track system
2.2 UV
75 Q (unbalanced)
520 - 1710 kHz (10 kHz steps)
560 pV/m
4 track, 2 channel
Heads
Record/playback Solid permalloy head
Erasure Double gap ferrite head
Motor DC servo motor
AC bias 100 kHz
AC erase 100 kHz
Recording system
Erasing system
Tape speed 4.8 cm/s
Frequency response (+3 dB, -6 dB at DECK OUT)
NORMAL (TYPE 1) 35 Hz - 14 kHz
S/N
Wow and flutter
50 dB (A weighted)
0.18 % (WRMS)
Fast forward and rewind time Approx. 120 seconds with
C-60 cassette tape
m@ CD SECTION
Sampling frequency 44.1 kHz
Decoding 16 bit linear
© 2001 Matsushita Electronics (S) Pte. Ltd. All rights
reserved. Unauthorized copying and distribution is a
violation of law.

Summary

Specifications

Amplifier Section

Details power output and harmonic distortion specifications.

Tuner Sections (AM;FM)

Covers frequency range and sensitivity for AM and FM tuning.

Cassette Deck Section

Specifies track system, heads, tape speed, and frequency response.

CD Section

Lists sampling frequency and decoding format for the CD section.

Safety and Initial Procedures

Safety Precautions

General safety guidelines for servicing the unit.

Pre-Repair Procedures

Procedures and precautions before commencing repair or adjustment.

Protection Circuitry

Explains the unit's protection circuitry and how it functions.

Included Accessories

Traverse Deck Handling Precautions

Electrostatic Discharge Prevention

Methods for grounding to prevent electrostatic discharge damage.

Laser Diode Safety Precautions

Operation Procedures

Front Panel Controls (Main Unit)

Identification and function of controls on the main unit's front panel.

Center Console Controls

Identification and function of controls on the center console.

Remote Control Operations

Service Procedures Overview

Servicing Jig Information

Information about a special gear used for servicing the unit.

PCB Checking Procedures

Procedures for checking major printed circuit boards.

PCB Disassembly Procedures

Main, Transformer, Panel, and Deck PCB Disassembly

Detailed steps for disassembling the main, transformer, panel, and deck PCBs.

Component Replacement Procedures

Traverse Deck Replacement

Step-by-step guide for replacing the traverse deck unit.

CD Servo PCB Installation

Instructions for installing the CD servo PCB after replacement.

Power Amplifier IC Replacement

Traverse Unit Disassembly and Assembly

Traverse Unit Handling

Detailed steps for disassembling and reassembling the traverse unit.

Traverse Unit Replacement

Procedures for removing and installing the traverse unit.

Disc Tray Disassembly and Assembly

Self-Diagnostic Functions

Self-Diagnostic Display Information

Information on the self-diagnostic display function.

Entering Self-Diagnostic Mode

Step-by-step instructions to access the self-diagnostic mode.

Cassette Mechanism Test Procedure

Procedure for testing the cassette mechanism and error codes.

Error Code Descriptions

Cassette Mechanism Errors

Lists error codes and their corresponding problem conditions for the cassette mechanism.

CD;Changer Errors

Lists error codes for CD/Changer issues and their problems.

Power Supply Errors

Details error codes related to power supply abnormalities.

CD Test Mode Operations

Setting CD Test Mode

Instructions on how to activate the CD test mode.

Interpreting CD Auto-Adjustment Results

How to interpret the results of CD automatic adjustment.

Measurements and Adjustments

Cassette Deck Measurements & Adjustments

Measurement conditions and adjustments for the cassette deck.

Tape Speed Adjustment (Deck 1;2)

Procedure for adjusting tape speed on both decks.

Bias and Erase Voltage Check

Steps to check bias and erase voltage for the cassette deck.

Bias Frequency Adjustment (Deck 1;2)

How to adjust bias frequency for the cassette decks.

Tuner Section AM-IF Alignment

Alignment procedure for the AM Intermediate Frequency (IF) stage.

Alignment Points

Cassette Deck Alignment Points

Specific points for alignment in the cassette deck section.

Tuner Section Alignment Points

Alignment procedures and points for the tuner section.

Component Illustrations

IC Terminal Functions

IC701 Servo Amplifier Pin Functions

Pin assignments and functions for the servo amplifier IC.

IC702 Processor Pin Functions

Pin functions for the servo processor and digital signal processing IC.

IC Terminal Functions (Continued)

IC703 Motor Driver Pin Functions

Pin functions for IC703, which drives coils and motors.

IC Terminal Functions (Continued)

IC600 Microprocessor Pin Functions

Pin assignments and functions for the system microprocessor IC.

System Block Diagram

Schematic Diagram Notes and Cautions

Schematic Diagram Notes

Notes on schematic diagram interpretation and safety.

Safety Notices

Safety notice regarding component identification and replacement.

Static Sensitivity Precautions

Precautions for handling ICs, LSIs, and VLSI due to static sensitivity.

Schematic Diagrams - CD Servo Circuit

Schematic Diagrams - CD Servo Circuit (Continued)

Schematic Diagrams - Tuner Circuit

Schematic Diagrams - Main Circuit

Schematic Diagrams - Main Circuit (Continued)

Schematic Diagrams - Main Circuit (Continued)

Schematic Diagrams - Panel Circuit

Schematic Diagrams - Panel Circuit (Continued)

Schematic Diagrams - Deck Circuit

Schematic Diagrams - Deck Circuit (Continued)

Schematic Diagrams - Power Circuit

Schematic Diagrams - Transformer Circuits

AC Transformer Circuit

Schematic for the AC transformer circuit.

Sub-Transformer Circuit

Schematic for the sub-transformer circuit.

Printed Circuit Board Layouts

CD Servo PCB Layout

Component layout for the CD servo printed circuit board.

Printed Circuit Board Layouts (Continued)

Main;Tuner PCB Layout

Component layout for the main and tuner printed circuit board.

Printed Circuit Board Layouts (Continued)

Panel PCB Layout

Component layout for the panel printed circuit board.

Printed Circuit Board Layouts (Continued)

Headphone PCB Layout

Component layout for the headphone printed circuit board.

Printed Circuit Board Layouts (Continued)

Tact Switch PCBs Layout

Component layout for the tact switch PCBs.

Printed Circuit Board Layouts (Continued)

Mechanism PCBs Layout

Component layout for the mechanism deck PCBs.

Tuner Pack PCB Layout

Component layout for the tuner pack PCB.

Printed Circuit Board Layouts (Continued)

CD Loading PCB Layout

Component layout for the CD loading PCB.

CD Detect PCB Layout

Component layout for the CD detect PCB.

Spindle Position PCB Layout

Component layout for the spindle position PCB.

Printed Circuit Board Layouts (Continued)

Deck PCB Layout

Component layout for the deck printed circuit board.

Printed Circuit Board Layouts (Continued)

Power PCB Layout

Component layout for the power printed circuit board.

Printed Circuit Board Layouts (Continued)

Transformer PCBs Layout

Component layout for the AC and sub-transformer PCBs.

Wiring Connection Diagram

Troubleshooting Guide

Parts Lists and Identification

Parts Location and Replacement List

Information on safety, part identification, and replacement.

Deck Mechanism Details

Deck Mechanism Parts Location

Exploded view showing the location of cassette deck mechanism parts.

Deck Mechanism Parts List

CD Loading Mechanism Details

CD Loading Mechanism Parts Location

Exploded view showing parts location for the CD loading mechanism.

CD Loading Mechanism Parts List

Cabinet Assembly

Cabinet Parts Location

Exploded view of cabinet parts and their locations.

Electrical Parts Lists

Printed Circuit Boards

List of printed circuit boards used in the unit.

Integrated Circuits

List of integrated circuits with their part numbers and functions.

Transistors and Diodes

Lists of transistors and diodes with part numbers and descriptions.

Switches, Connectors, Coils, and etc.

Lists of switches, connectors, coils, transformers, filters, relays, and oscillators.

Resistors List

Extensive list of resistors with part numbers and specifications.

Capacitors List

Comprehensive list of capacitors with part numbers and specifications.

Packaging Information

Packing Materials List

List of packing materials used for the product.

Accessories List

List of included accessories.

Packaging Diagram

Panasonic SA-AK66 Specifications

General

Type	CD Stereo System
Manufacturer	Panasonic
Model	SA-AK66
CD Player	Yes
Number of Discs	1
Tuner Bands	FM/AM
Tape Deck	Yes
Bluetooth	No
USB Port	No
Weight	6.5 kg
Speakers	2