Sanyo DC-DA170 User Manual

FILE NO.
Service Manual
Micro Component System
DC-DA170 (UK)
(XE)
PRODUCT CODE No.
129 601 00 (UK)
129 601 01 (XE)
REFERENCE No.
SM5810186
This service manual consists of "DC-DA170U" (Main unit : 129 960 00 for UK, 129 960 01
for XE) and "SX-DA70" (Speaker system : 165 028 00 for UK, 129 028 01 for XE).
Y OFF Z ON
FUNCTION
PHONES
MEMORY
DOWN
PRESET
TUNER/ BAND
UP
VOLUME
MULTI FUNCTION DISPLAY
TU UP
TU DOWN
SOUND PRESET
BASS
XPANDER
SURROUND
i
n
c/ e
MICRO COMPONENT SYSTEM
DA 170
FULL AUTO STOP
PUSH TO CLOSE
damcn/qk
REC PLAY REW F FWD STOP/ EJECT PAUSE
f/ d
Contents
Specifications ...................................................................1
System connection...........................................................1
Laser beam safety precaution..........................................2
CD pick-up maintenance.................................................. 2
CD player adjustments.....................................................2
Tape adjustments ............................................................ 3
Tuner adjustments (for UK)..............................................4
Tuner adjustments (for XE) .............................................. 5
Exploded view
(Cabinet & Chassis) ......................................................6
(Tape mechanism) ........................................................12
Parts list
(Cabinet & Chassis) ......................................................7
(Tape mechanism) ........................................................12
(CD mechanism) ...........................................................7
IC block diagram & description ........................................ 13
Schematic diagram
(CD)...............................................................................16
(TUNER for UK) ............................................................ 18
(TUNER for XE) ............................................................ 22
(FRONT for UK) ............................................................ 26
(FRONT for XE) ............................................................ 30
(AMPLIFIER for UK)...................................................... 34
(AMPLIFIER forXE) ....................................................... 38
Wiring diagram
(TUNER for UK) ............................................................ 20
(TUNER for XE) ............................................................ 24
(FRONT + CD for UK) ................................................... 28
(FRONT + CD for XE) ...................................................32
(AMPLIFIER for UK)...................................................... 36
(AMPLIFIER for XE)...................................................... 40
(POWER TRANSFORMER) ........................................ 42
IC & Transistor voltages ................................................... 43
LCD display description ...................................................44
Wiring connection ............................................................45

Sanyo DC-DA170 Specifications

General

Brand	Sanyo
Model	DC-DA170
Category	Stereo System
Language	English

Summary

Specifications

Tuner

Details reception frequencies for FM, MW, and LW bands.

CD Player

Lists channels, sampling frequency, and pick-up specifications.

Cassette Deck Section

Covers track system, frequency response, S/N ratio, and wow/flutter.

General & Speaker System

Outlines output power, inputs, outputs, and speaker system details.

System Connections

Laser Beam Safety Precaution

CD Pick-up Maintenance

Optical Lens Cleaning

Instructions for cleaning the optical lens using alcohol and a swab.

CD Player Adjustments

1. Adjustments Overview

Procedures for adjusting CD player settings.

1. Tracking Balance Confirmation

Steps to confirm tracking balance using an oscilloscope.

2. Checking the "Eye" Pattern

Steps to check the CD player's "eye" pattern using an oscilloscope.

Tape Adjustments

Head Replacement and Azimuth Adjustment

Procedures for replacing tape heads and adjusting azimuth.

Motor Speed and Torque Checks

Methods for adjusting motor speed and checking mechanism torques.

Replacing the Motor

Procedure for replacing the tape deck motor.

Parts List

Packing & Accessories

Lists packing materials and accessories for the product.

Fixing Parts

Details screws, washers, and other fixing components.

Cabinet & Chassis Parts

Lists parts related to the product's enclosure and internal chassis.

Electrical Parts

Lists various electrical components like cables, fuses, and connectors.

Front P.W.Board Assembly

Lists components for the front printed wiring board.

CD P.W.Board Assembly

Lists components for the CD printed wiring board.

Tuner P.W.Board Assembly (UK)

Lists components for the UK version tuner printed wiring board.

Tuner P.W.Board Assembly (XE)

Lists components for the XE version tuner printed wiring board.

Amplifier P.W.Board Assembly

Lists components for the amplifier printed wiring board.

Tape Mechanism Exploded View & Parts

Shows exploded view and parts for the tape mechanism.

Power Transformer P.W.Board Assembly

Lists components for the power transformer printed wiring board.

IC Block Diagram & Description

IC201 TA8176SN (FM Front End)

Block diagram and pin description for IC201.

IC211 LA1844ML (Tuner System)

Block diagram and pin description for IC211.

IC601 LC72336-9A15 (Micro Processor)

Block diagram and pin description for IC601.

IC101 LA9241M (Servo Signal Processor)

Block diagram and pin description for IC101.

IC410 BA3314 (MD Rec. Amplifier)

Block diagram and pin description for IC410.

IC411 LC75392 (Pick-up Actuator & Motor Driver)

Block diagram and pin description for IC411.

IC412 TA8229K (AF Main Amplifier)

Block diagram and pin description for IC412.

IC103 LA6541 (Pick-up Actuator & Motor Driver)

Block diagram and pin description for IC103.

IC415 MM1453XF (Q Xpander)

Block diagram and pin description for IC415.

IC102 LC78622NE (Digital Signal Processor)

Block diagram and pin description for IC102.

Schematic Diagram (CD)

Schematic Diagram (Tuner for UK)

Schematic Diagram (Tuner for XE)

Schematic Diagram (Front for UK)

Schematic Diagram (Front for XE)

Schematic Diagram (Amp for UK)

Schematic Diagram (Amp for XE)

Wiring Diagram (Power)

Voltage Table

IC Section Voltages

Voltage tables for various integrated circuits.

Transistor Voltages

Voltage table for various transistors.

LCD Display Description

Wiring Connection

Tuner Adjustments (for UK)

1. FM Adjustments

Adjustment procedures for the FM tuner section.

2. MW Adjustments

Adjustment procedures for the MW tuner section.

3. LW Adjustments

Adjustment procedures for the LW tuner section.

Tuner Adjustments (for XE)

1. FM Adjustments

Adjustment procedures for the FM tuner section (XE version).

2. MW Adjustments

Adjustment procedures for the MW tuner section (XE version).

Wiring Diagram (Tuner for UK)

Wiring Diagram (Tuner for XE)

Wiring Diagram (Front+CD for UK)

Wiring Diagram (Front + CD for XE)

Wiring Diagram (Amp for UK)

Wiring Diagram (Amp for XE)