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Sony HCD-R700 User Manual

Sony HCD-R700
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MICROFILM
SERVICE MANUAL
MINI Hi-Fi COMPONENT SYSTEM
Canadian Model
HCD-RX77
AEP Model
HCD-R700/RX77/RX77S
UK Model
HCD-R700/RX77S
E Model
HCD-GRX7/GRX7J
Australian Model
HCD-GRX7
Tourist Model
HCD-GRX7J
Model Name Using Similar Mechanism HCD-H991AV
CD Mechanism Type
CDM38L-5BD29AL/
CDM38LH-5BD29AL
Base Unit Type BU-5BD29AL
Optical Pick-up Type KSS-213D/Q-NP
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type
TCM-230AWR1/
230PWR1
HCD-GRX7/GRX7J/R700/
RX77/RX77S
HCD-GRX7/GRX7J/R700/RX77/RX77S
are the Amplifier, CD player, Tape Deck
and Tuner section in MHC-GRX7/
GRX7J/R700/RX77/RX77S.
Photo: HCD-RX77
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol a are trade-
marks of Dolby Laboratories Licensing Corporation.
CD
Section
TAPE
DECK
Section
SPECIFICATIONS
Amplifier section
Canadian model:
Continuous RMS power output (reference)
100 + 100 watts
(8 ohms at 1 kHz, 10% THD)
Total harmonic distortion less than 0.07%
(8 ohms at 1 kHz, 55 W)
European and Russian models:
DIN power output (rated) 60 + 60 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
80 + 80 watts
(6 ohms at 1 kHz, 10% THD)
Music power output (reference)
135 + 135 watts
(6 ohms at 1 kHz, 10% THD)
Other models:
The following measured at AC 110, 220 V 50/60 Hz
DIN power output (rated) 85 + 85watts
(8 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
110 + 110 watts
(8 ohms at 1 kHz, 10% THD)
The following measured at AC 120, 240 V 50/60 Hz
DIN power output (rated) 105 + 105 watts
(8 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
130 + 130 watts
(8 ohms at 1 kHz, 10% THD)
Peak music power output (reference)
1500 watts
– Continued on next page –

Table of Contents

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Sony HCD-R700 Specifications

General IconGeneral
CD PlayerYes
BluetoothNo
USB PlaybackNo
Dimensions335 x 360 x 250 mm
Weight6.2 kg
Audio Channels2.0
Cassette DeckYes
Remote ControlYes
TunerAM/FM
FunctionsCD, Tuner, Cassette
TypeMini Hi-Fi Component System
Power Output100W + 100W (RMS)

Summary

Servicing Notes

Handling Optical Pick-up Block

Procedures for safely handling the optical pick-up block to prevent electrostatic damage.

Laser Diode Emission Check

Guidelines for safely checking the laser diode emission point on the optical pick-up block.

Chip Component Replacement

Notes on replacing chip components, including warnings about reuse and heat sensitivity.

Flexible Circuit Board Repair

Precautions for repairing flexible circuit boards, focusing on soldering iron temperature and conductor care.

Safety Precautions

General warnings about incorrect adjustments leading to hazardous radiation exposure.

General Information

Location of Controls

Identifies and describes the functions of various buttons, knobs, and jacks on the unit.

Setting the Time

Step-by-step instructions for setting the clock on the unit using the jog dial and buttons.

Disassembly Procedures

Case Section Disassembly

Procedure for removing the outer case of the unit, detailing screw locations and panel removal.

Front Panel Section Disassembly

Steps for detaching the front panel assembly, including disc tray and wire disconnections.

Tape Mechanism Deck Disassembly

Procedure for removing the tape mechanism deck, detailing lid opening and screw removal.

CD Mechanism Deck Disassembly

Steps for detaching the CD mechanism deck, including screw removal and connector disconnection.

Main Board Access

Procedure for accessing and removing the main board, detailing screw and connector removal.

Test Mode Operations

MC Cold Reset

Clears all data in RAM to initial conditions, used when returning the set to the customer.

CD Delivery Mode

Moves the pickup to a durable position for vibration, used after repair before customer return.

MC Hot Reset

Resets the set with preset data kept in memory, similar to power cycling.

Sled Servo Mode

Allows free operation of the CD sled motor, useful for pickup cleaning.

AM Tuner Step Change

Procedure to switch the AM tuner channel step between 9 kHz and 10 kHz.

LED and Key Check Mode

Activates all LEDs and the fluorescent indicator tube for key function testing.

Aging Mode

Performs operation checks on the CD and tape deck sections automatically.

Mechanical Adjustments

Torque Measurement

Details the torque specifications for various tape deck mechanisms like FWD, REV, FF/REW.

Electrical Adjustments

Deck Section Adjustments

Procedures for demagnetizing heads and adjusting azimuth, tape speed, and playback levels.

Tuner Section Adjustments

Procedures for adjusting AM and FM tuned levels and FM polar characteristics.

CD Section Adjustments

Procedures for checking CD section performance like S-curve and RF signal levels.

Diagrams and IC Information

Circuit Boards Location

Illustrates the physical layout and names of all circuit boards within the unit.

Block Diagrams

High-level functional diagrams showing signal paths and major components for various sections.

Schematic and Printed Wiring Diagrams

Detailed electrical schematics and printed wiring board layouts for all unit sections.

IC Pin Function Description

Detailed pin-out and function descriptions for key integrated circuits used in the system.

IC Block Diagrams

Visual representations of the internal logic and functions of specific integrated circuits.

Exploded Views

Case Section Exploded View

Illustrates the parts and assembly of the main unit case.

Front Panel Section Exploded View

Details the assembly of the front panel, including buttons, displays, and associated parts.

Chassis Section Exploded View

Shows the main chassis components and their arrangement, including board mounting.

CD Mechanism Deck Exploded Views

Illustrates the parts and assembly of the CD mechanism deck (Section 1 and 2).

Base Unit Section Exploded View

Details the assembly of the CD base unit (BU-5BD29AL), including optical pick-up.

Tape Mechanism Deck Exploded Views

Illustrates the parts and assembly of the tape mechanism deck (Section 1 and 2).

Electrical Parts List

Audio BD Parts List

Comprehensive list of electronic components for the Audio board.

Main Parts List

Comprehensive list of electronic components for the Main board.

HP and Leaf SW Main Parts List

Comprehensive list of electronic components for the HP and Leaf SW boards.

Panel Parts List

Comprehensive list of electronic components for the Panel board.

Power Amp Parts List

Comprehensive list of electronic components for the Power Amp board.

TCB Parts List

Comprehensive list of electronic components for the TCB board.

Transformer Parts List

Comprehensive list of electronic components for the Transformer section.

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