Sanyo DC User Manual

Service Manual
Contents
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FILE NO.
1
Mini Component System
DC D30 (AU)
SPECIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . ..il
SYSTEM CONNECTION . . . . . . . . . . . . . . . . . . . . . 1
OPERATING THE RESET SWITCH . . . . . . . . . . . 2
PARTS LIST(PACK & ACCESSORIES) . . . . . . . . . 2
PARTS LIST(REMOCON) . . . . . . . . . . . . . . . . . . . . 2
CD/ TUNER UNIT
TUNER ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . 3
LASER BEAM SAFETY PRECAUTION . . . . . . . . . 4
CD MECHANISM REMOVAL . . . . . . . . . . . . . . . . . 5
CD SERVICE MODE . . . . . . . . . . . . . . . . . . . . . . . 9
CD ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . 12
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
EXPLODED VIEW(CABINET & CHASSIS)
17
EXPLODED VIEW(CD MECHANISM) . . . . . . . . . . 18
PARTS LIST(CD MECHANISM) . . . . . . . . . . . . . . 19
IC BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . 20
LCD BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . 26
CD VOLTAGE TABLE . . . . . . . . . . . . . . . . . . . . . 27
SCHEMATIC DIAGRAM(FRONT) . . . . . . . . . . . . . 30
CONNECTION DIAGRAM . . . . . . . . . . . . . . . . . . . 32
SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . 34
WIRING DIAGRAM(CD) . . . . . . . . . . . . . . . . . . . . 36
PRODUCT CODE No.
129 374 05
SCHEMATIC’ DIAGRAM(TUNER) . . . . . . . . . . . . .
WIRING DIAGRAM(TUNER & FRONT) . . . . . . . .
BLOCK DIAGRAM(CD) . . . . . . . . . . . . . . . . . . . . .
TAPE DECK / AMPLIFIER UNIT
DECK ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . .
EXPLODED VIEW(CABINET & CHASSIS)
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PARTS LIST(TAPE MECHANISM) . . . . . . . . . . . .
EXPLODED VIEW(TAPE MECHANISM) . . . . . . . .
IC BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . .
LCD BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . .
SCHEMATIC DIAGRAM(TAPE DECK AMP) . . . .
WIRING DIAGRAM(TAPE DECK AMP) . . . . . . . .
SCHEMATIC DIAGRAM(PRE-AMP) . . . . . . . . . . .
WIRING DIAGRAM(PRE-AMP & FRONT) . . . . . .
SCHEMATIC DIAGRAM(SYSCON & MAIN AMP)
WIRING DIAGRAM(MAIN AMP) . . . . . . . . . . . . . .
CONNECTION DIAGRAM . . . . . . . . . . . . . . . . . . .
BLOCK DIAGRAM(TAPE DECK & FRONT) . . . .
BLOCK DIAGRAM(PRE & MAIN AMP) . . . . . . . .
SCHEMATIC DIAGRAM(FRONT) . . . . . . . . . . . . .
SCHEMATIC DIAGRAM(TAPE MECHANISM) . . .
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46
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59
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‘Dolby” and the double-D symbol ~ are trademark of Dolby
Laboratories Licensing Corporation. Dolby Noise Reduction
system is manufactured under license from Dolby Laboratories
Licensing Corporation.
This Service manual is consist of “RB-D30-, ‘SX-D30”, “DC-D30CT”, “DC-D30DA-.
REFERENCE No. SM580042

Sanyo DC Specifications

General

Brand	Sanyo
Model	DC
Category	Stereo System
Language	English

Summary

SPECIFICATION

CASSETTE DECK / AMPLIFIER UNIT

Technical specifications for the cassette deck and amplifier components.

TUNER / TIMER / CD PLAYER UNIT

Technical specifications for the tuner, timer, and CD player units.

REMOTE CONTROLLER (RB-D30)

Specifications for the remote controller unit.

SPEAKER SYSTEMS

Specifications for the speaker systems.

SYSTEM CONNECTION

OPERATING THE RESET SWITCH

PARTS LIST

PACKING

List of packing materials for the unit.

ACCESSORIES

List of included accessories.

REMOTE CONTROLLER UNIT

Parts list for the remote controller.

SPEAKER UNIT

Parts list for the speaker unit.

ADJUSTMENT (TUNER)

1. FM BAND

FM band tuning adjustment steps.

2. AM BAND

AM band tuning adjustment steps.

3. PARTS LOCATION

LASER BEAM SAFETY PRECAUTIONS (CD)

Precautions for handling the pickup and semiconductors

Safe handling of CD pickup and semiconductor components.

How to prevent static during handling

Preventing static discharge during repair.

Cleaning the lens surface

Instructions for cleaning the optical lens.

CD MECHANISM REMOVAL

1) Preparations

Pre-removal steps for CD mechanism.

2) Removing and installing the disc tray

Disc tray removal and installation procedure.

3) Disassembling the mechanism

Steps for CD mechanism disassembly.

MECHANISM REMOVAL (CD)

(2) Replacing and lubricating the pickup

Replacing and lubricating the CD pickup.

(3) Replacing the loading/sled motor

Replacing the loading/sled motor.

(4) Checking the loading/sled motor's operation

Checking the CD motor operation.

MECHANISM REMOVAL (CD)

(1) Lubricating and mounting the tray slide

Lubricating and mounting the tray slide.

(3) Installing the base up/down slide and timing gear

Installing the base slide and timing gear.

(4) Hook the gear tension spring (CM22) onto the timing gear (CM23).

Attaching the gear tension spring to the timing gear.

MECHANISM REMOVAL (CD)

(4) Lubricating the base lever

Lubricating the base lever.

(5) Lubricating the pickup sled gear and clutch gear

Lubricating the pickup sled and clutch gears.

(6) Arranging and securing the leads

Arranging and securing leads for reassembly.

SERVICE MODE

1. Confirm the clock

Confirming the clock output in service mode.

2. Timer debugging

Performing timer debugging.

3. Checking the key input signal connections

Checking key input signals.

SERVICE MODE

4. Checking LCD connections

Checking LCD connections.

5. System connector checking mode

Checking system connector signals.

6. CD tracking balance adjusting mode

CD tracking balance adjustment mode.

7. CD operation display mode

CD operation display mode.

SERVICE MODE

CD operation display mode

Displays shown during CD operation mode.

CD ADJUSTMENT

Electrical Adjustment

General electrical adjustments for CD player.

Preparations for Adjustments

Tools and tests for CD adjustment.

1. Initial set

Setting initial adjustment controls.

2. Tracking Balance Adjustment (SVR11)

Tracking balance adjustment procedure.

CD ADJUSTMENT

2. Other Adjustment of Tracking Balance (SVR11)

Additional tracking balance adjustments.

3. Focus Gain Confirmation

Steps to confirm focus gain.

4. Tracking Gain Confirmation

Steps to confirm tracking gain.

PARTS LIST

PRODUCT SAFETY NOTICE

Safety precautions for servicing.

CABINET

List of cabinet parts.

CHASSIS

List of chassis parts.

FIXING PARTS

List of screws and fixing parts.

ELECTRIC PARTS

List of electrical components.

TUNER P.C.BOARD ASSY

Parts list for the tuner PC board assembly.

PARTS LIST

CD MICON P.C.BOARD ASSY

Parts list for the CD Micon PC board assembly.

CD MAIN P.C.BOARD ASSY

Parts list for the CD Main PC board assembly.

FRONT P.C.BOARD ASSY

Parts list for the front PC board assembly.

PARTS LIST

LED (LCD BACK LIGHT) P.C.BOARD ASSY

Parts list for the LED PC board assembly.

EXPLODED VIEW (CD MECHANISM)

PARTS LIST (CD MECHANISM)

IC BLOCK DIAGRAM (CD)

IC101 LA9210M (Servo Signal Processor)

Block diagram and pin functions for IC101.

IC102 LA6524 (Dual Motor & Actuator Coil Driver)

Block diagram for IC102.

IC BLOCK DIAGRAM (CD)

IC103 µPD75116-F56 (CD Micro Processor)

Block diagram and pin functions for IC103.

IC BLOCK DIAGRAM (CD)

IC104 LC7866E (Digital Signal Processor)

Block diagram and pin functions for IC104.

C BLOCK DIAGRAM (CD)

IC105 SM5870DS (D/A Converter)

Block diagram and pin functions for IC105.

IC106 XRA15218F (Dual Operational Amplifier)

Block diagram for IC106.

IC BLOCK DIAGRAM (CD & TUNER)

IC107 M5278D05 (3 Terminal Voltage Regulator)

Block diagram for IC107.

IC108 NJM79L05 (3-Terminal Voltage Regulator)

Block diagram for IC108.

IC109 NJM78L05 (3-Terminal Voltage Regulator)

Block diagram for IC109.

IC201 LA2165 (Tuner IF System)

Block diagram for IC201.

IC202 LA3361 (FM PLL MPX. Stereo Demodulator)

Block diagram for IC202.

IC203 LM7001 (PLL Frequency Synthesizer)

Block diagram for IC203.

IC BLOCK DIAGRAM (FRONT)

IC251 µPD75306GF-225-389 (Tuner & LCD Driveing Micro Processor)

Block diagram and pin functions for IC251.

VOLTAGES OF IC (CD)

IC101 LA9210M

Voltage table for IC101 in different modes.

IC102 LA6524

Voltage table for IC102 in different modes.

IC103 PD75116

Voltage table for IC103 in different modes.

IC104 LC7866E

Voltage table for IC104 in different modes.

IC105 SM5870DS

Voltage table for IC105 in different modes.

IC106 XRA15218F

Voltage table for IC106 in different modes.

VOLTAGES OF IC & TRANSISTOR (CD)

TRANSISTOR

Voltage table for transistors in different modes.

SCHEMATIC DIAGRAM (FRONT)

WIRING CONNECTION (TUNER / CD UNIT)

SCHEMATIC DIAGRAM (CD)

WIRING DIAGRAM (CD)

SCHEMATIC DIAGRAM (TUNER)

WIRING DIAGRAM (TUNER & FRONT)

BLOCK DIAGRAM (CD)

ADJUSTMENT OF DECK & TORQUE

1. Amplifier Adjustment

Adjustment procedure for the amplifier section.

2. Tape Speed Adjustment

Procedure for adjusting tape speed.

3. Parts Location

Location of tape deck adjustment parts.

ADJUSTMENT OF DECK & TORQUE

4. Torque Measurements

Measurement of take-up, back, and tape tension.

5. Replacement of Head

Method for connecting and replacing the rotary head.

6. Replacement of Motor and Belt

Instructions for replacing motors and belts.

EXPLODED VIEW (TAPE DECK & AMPLIFIER UNIT)

PARTS LIST

PRODUCT SAFETY NOTICE

Safety precautions for servicing.

CABINET

List of cabinet parts.

ELECTRICAL PARTS

List of electrical components.

FIXING PARTS

List of screws and fixing parts.

CHASSIS

List of chassis parts.

PRE-AMPLIFIER P.C.BOARD ASSY

Parts list for the pre-amplifier PC board.

PARTS LIST

P.T PRIMARY P.C.BOARD ASSY

Parts list for the primary PC board.

P.T SECONDARY P.C.BOARD ASSY

Parts list for the secondary PC board.

SPEAKER TERMINAL P.C.BOARD ASSY

Parts list for the speaker terminal PC board.

FRONT P.C.BOARD ASSY

Parts list for the front PC board assembly.

FRONT SWITCH 1 P.C.BOARD ASSY

Parts list for the front switch 1 PC board.

PARTS LIST

LED (LCD BACK LIGHT) P.C.BOARD ASSY

Parts list for the LED PC board assembly.

TAPE DECK AMPLIFIER P.C.BOARD ASSY

Parts list for the tape deck amplifier PC board.

REGULATOR IC P.C.BOARD ASSY

Parts list for the regulator IC PC board.

FRONT SWITCH 2 P.C.BOARD ASSY

Parts list for the front switch 2 PC board.

PARTS LIST

EXPLODED VIEW (TAPE DECK MECHANISM)

Diagram showing tape deck mechanism parts.

TAPE DECK MECHANISM P.C.BOARD ASSY

Parts list for the tape deck mechanism PC board.

FIXING PARTS FOR TAPE DECK MECHANISM

Fixing parts for the tape deck mechanism.

IC BLOCK DIAGRAM (TAPE DECK)

IC351 HA12136A (Dolby-B Noise Reduction System)

Block diagram and pin functions for IC351.

IC370 LA3246 (Pre & Mixing Amplifier)

Block diagram and pin functions for IC370.

IC374 CXA1298AP (Equalizer Amplifier for Record)

Block diagram and pin functions for IC374.

IC371 MLC4066B (Quad Electronic Switch)

Block diagram and pin functions for IC371.

IC375 µPC1330H (2-ch Head Select Switch)

Block diagram and pin functions for IC375.

IC BLOCK DIAGRAM (AMPLIFIER)

IC500 µPD75516GF-412-389 (Micro Processor)

Block diagram and pin functions for IC500.

IC BLOCK DIAGRAM (AMPLIFIER)

IC501 BA3826S (Band Pass Filter for Spectrum Analyzer)

Block diagram for IC501.

IC551 LC7582 (LCD Driver)

Block diagram and pin functions for IC551.

IC700 STK4132MKII (AF Power Amplifier)

Block diagram for IC700.

IC702-802 BU40518 (3-Input 8-Channel Multiplexer / De-Multiplexer)

Block diagram for IC702-802.

IC701-703-704-706-709-710-711 LA6458S (Dual Operational Amplifier)

Block diagram for LA6458S ICs.

IC708 TC9153AP (Electronic Volume)

Block diagram for IC708.

IC705 LC7522 (7-Segment Electronic Variable Resistor)

Block diagram for IC705.

IC BLOCK DIAGRAM (AMPLIFIER)

IC900-903 L780S12 (5-Terminal Voltage Regulator)

Block diagram for IC900-903.

IC901 L78M05 (3-Terminal Voltage Regulator)

Block diagram for IC901.

ICS02 L7812ML (3-Terminal Voltage Regulator)

Block diagram for ICS02.

SCHEMATIC DIAGRAM (TAPE DECK AMPLIFIER)

WIRING DIAGRAM (TAPE DECK AMPLIFIER)

SCHEMATIC DIAGRAM (PRE-AMPLIFIER)

WIRING DIAGRAM (PRE-AMPLIFIER & FRONT)

SCHEMATIC DIAGRAM (SYSCON & POWER AMPLIFIER)

WIRING DIAGRAM (POWER AMPLIFIER)

WIRING CONNECTION (TAPE DECK / AMPLIFIER UNIT)

BLOCK DIAGRAM (TAPE DECK AMPLIFIER)

BLOCK DIAGRAM (FRONT)

BLOCK DIAGRAM (PRE-AMPLIFIER)

BLOCK DIAGRAM (SYSCON & POWER AMPLIFIER)

SCHEMATIC DIAGRAM (FRONT)

SCHEMATIC DIAGRAM (TAPE MECHANISM)