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Sony MHC-6800 - User Manual

Sony MHC-6800
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SERVICE
MANUAL
MHC-6800
is
composed
of
following
models.
As
for
the
service
manual,
it
is
issured
for
each
component
model,
then,
please
refer
to
it.
COMPONENT
MODEL
NAME
FOR
MHC-6800
Power-Amplifier
TA-H6800N
Pre-Amplifier
TA-H6800E
TUNER/CD
PLAYER
HCD-H6800
CASSETTE
DECK
TC-H6800
SPEAKER
SYSTEM
$S-H6800
(AEP,
UK,
G,
IT)
$S-H6800C
(CND)
9-957-626-12
SPECIFICATIONS
Power
requirements
Model
for
CND:
120V
AC,
60Hz
Model
for
AEP,
G,
IT:
220V—-230V,
50/60Hz
Model
for
UK:
240V,
50Hz
Power
consumption
195W
(system
total)
Dimensions
Approx.
225x390x280mm
(w/h/d)
8'/,X15%/,X11/s
inches)
incl,
projecting
parts
and
controls
Mass
Approx.
14kg
(30lb
140z)
Supplied
accessories
Remote
Commander
(1)
(RM-S680)
Sony
SUM-3
(NS)
batteries
(2)
‘AM
loop
antenna
(1)
FM
antenna
(1)
AC
power
cord
(2)
Flat
cord
(1)
‘Speaker
cord
(2)
(CND
model)
Design
and
specifications
subject
to
change
without
notice,
@CND:
Canadian
model
*°G_—:
German
model
eIT
:
Italian
model
PARTS
LIST
NOTE:
©
Items
marked
"*”
are
not
stocked
since
they
are
seldom
required
for
routine
service.
Some
delay
should
be
anticipated
when
ordering
these
items.
‘The
components
identified
by
|
mark
A\
or
dotted
line
with
mark.
Ad
are
critical
for
safety.
{
Replace
only
with
part
number
|
specified.
Les
composants
identifiés
par
une
marque
A\
sont
critiques
pour
la
sécurité.
Ne
les
remplacer
que
par
une
piéce
portant
le
numéro
spécifié.
Re!
>
PRP
BPR
MHC-6800
Canadian
Model
AEP
Model
UK
Model
Remark
f.No.
Part
No.
Description
ACCESSORIES
&
PACKING
MATERIALS
peetereeetreeee
eters
11
REMOTE
COMMANDER
(RM-S680)
1-501-369-11
ANTENNA
(EXCEPT
CND)
1-501-374-11
ANTENNA,
LOOP
1-558-834-11
CORD,
POWER
(CND)
1-558-848-11
CORD,
SPEAKER
(CND)
1-575-131-11
CORD,
POWER
(AEP/G/IT)
1-590-866-21
CORD,
POWER
(UK)
1-696-741-11
CORD
(WITH
CONNECTOR)
1-751-207-11
CORD,
POWER
(CORD
SET)
(EXCEPT
CND)
1-751-270-11
CORD,
POWER
(CORD
SET)
(CND)
3-703-713-41
STICKER,
SONY
SYMBOL
(TC-H6800)
.
3-755-916-11
MANUAL
INSTRUCTION
(ENGLISH/FRENCH/
SPANISH/CHINESE/DUTCH)
(AEP/UK)
3-755-916-31
MANUAL
INSTRUCTION
(ENGL
ISH/PRENCH)
(CND)
3-755-916-41
MANUAL
INSTRUCTION
(GERMAN/TTALIAN/
SHEDISH/PORTUGUESE)
(AEP/G/IT)
4-941-548-01
LABEL,
CLASS
1
(HCD-H6800)
(EXCEPT
CND)
4-955-208-01
CUSHION
(REAR)
(TA-H6800N)
4-955-209-01
CUSHION
(FRONT)
(TA-H6800N)
4-955-212-11
CUSHION
(SS-H6800C)
4-955-213-02
CHSHION
(REAR)
(TA-H6800E,
TC~H6800,
‘HCD-H6800)
4-955-214-01
CUSHION
(FRONT)
(TA-H6800E,
TC-H6800,
HCD-H6800)
4-955-381-11
COVER
BATTERY
(RM-S680)
4-957-151-01
INDIVIDUAL
CARTON
(TA-H6800N,
TA-HG800E,
‘TC-H6800,
HCD-H6800)
4-957-153-01
INDIVIDUAL
CARTON
(TA-H6800N,
TA-H6800E,
TC-H6800)
4-957-154-01
INDIVIDUAL
CARTON
(HCD-H6800)
|-957-353-01
CUSHION
(FRONT)
(TA-HG800N,
TA-H6800E,
TC-H6800)
4-957-354-01
CUSHION
(REAR)
(TA-H6800N,
TA-HG800E,
TC-H6800)
01
CUSHION
(FRONT)
(HCD-H6800)
-01
CUSHION
(REAR)
(HCD-H6800)
4-959-607-01
INDIVIDUAL
CARTON
(TA-H6800N,
TA-HEBO0E,
‘TC-H6800,
HCD-H6800,
SS-H6800C)
LEECH
LE
GOO
In
abbr
Snare
Serene
Erne
Sony
Corporation
Audio
Group
MINI
Hi-Fi
COMPONENT
SYSTEM
SONTYY.
English
93£04039-1
Printed
in
Japan
©
1993.
5
Published
by
Audio
Sector
Quality
Assurance
Dept.
Question and Answer IconNeed help?

Do you have a question about the Sony MHC-6800 and is the answer not in the manual?

Summary

MHC-6800 System Overview

Component Models

Lists the component models comprising the MHC-6800 system.

Specifications

Details power, dimensions, mass, and supplied accessories.

Parts List Notes

Notes on stocked and critical safety components for parts.

TA-H6800 E Pre-Amplifier Service

Specifications

Audio and video input/output specifications.

Safety Warnings

Critical component warnings and French safety advisory.

Service Notes

Service Mode Operations

Procedures for service modes, power control, and test functions.

Service Position

Instructions for positioning the unit for service access.

Diagrams

Circuit Boards Location

Visual layout of circuit boards within the unit.

Block Diagrams

Overall system block diagram showing interconnections.

Semiconductor Lead Layouts

Diagrams showing pin configurations for semiconductors.

Printed Wiring Boards

Component layout on DSP and PIN JACK boards.

Schematic Diagrams

Schematics for DSP/PIN JACK and POWER/MICOM/PANEL sections.

Exploded Views

Cabinet Section

Exploded view of the unit's cabinet assembly.

Electrical Parts List

TA-H6800 N Power Amplifier Service

Specifications

Power output and distortion specs for various models.

Model Identification

Model number labels and power requirements by region.

General Section

Parts Identification

Identification of front panel controls and indicators.

Disassembly Procedures

Front Panel Assembly

Procedure for front panel disassembly.

Volume Board and Back Panel

Procedures for disassembling the volume board and back panel.

Heat Sink and Main Board Removal

Procedures for removing heat sink and main board.

Diagrams

Semiconductor Lead Layouts

Lead configurations for semiconductors.

Circuit Boards Location

Visual layout of circuit boards.

Printed Wiring Boards

Component layout for various boards.

Schematic Diagrams

Schematics for main section and power.

Exploded Views

Cabinet Section

Exploded view of the cabinet and its components.

Chassis Section

Exploded view of the chassis and frame assemblies.

Electrical Parts List

SS-H6800 Speaker System Service

Specifications

Speaker system specs: driver types, power, sensitivity, impedance.

Connection Diagram

Diagram showing speaker connections to the unit.

Disassembly Procedures

Front Panel and Mounted Board

Procedures for disassembling front panel and mounted board.

Exploded Views

TC-H6800 Cassette Deck Service

Specifications

Recording system, frequency response, wow/flutter.

General Information

Parts Identification

Identification of cassette deck controls and indicators.

Disassembly Procedures

Cassette Deck Components

Procedures for disassembling lid, SW board, retainer, front panel, MD block, TC main board, power board.

Mechanism Deck and Motor Disassembly

Procedures for disassembling mechanism deck and motors.

Adjustments

Precautions for Adjustments

General precautions for mechanical and electrical adjustments.

CD and Tuner Adjustments

Adjustment procedures for CD section and tuner section.

Playback and Record Adjustments

Procedures for playback level, tape speed, bias, and record level adjustments.

Diagrams and Layouts

Circuit Boards Location

Layout of circuit boards within the cassette deck.

Semiconductor Lead Layouts

Lead configuration diagrams for semiconductors.

Printed Wiring Boards

Component layout for various boards.

Schematic Diagrams

Schematic diagrams for main and connector/power sections.

Exploded Views

Cabinet and Mechanism Exploded Views

Exploded views of cabinet, cassette holder, and mechanism deck.

Electrical Parts List

HCD-H6800 Tuner CD Player Service

Specifications

Tuner and CD player specifications.

Model Identification

Model identification for the Tuner CD Player.

Servicing Notes

Optical Pick-up Handling

Precautions for handling the optical pick-up block due to ESD.

Laser Diode Checks

Procedures for checking laser diode emission and focus search.

Power Supply and Service Mode

Power supply for servicing and forceful power ON procedure.

Voltage Measurement and Display Check

Procedures for voltage measurements and FL tube check.

General Information

Parts Identification

Identification of Tuner/CD Player controls and indicators.

Tuner Controls Identification

Identification of tuner controls and buttons.

CD Controls Identification

Identification of CD player controls and buttons.

Display Window Information

Description of display window functions.

Radio Reception

Tuning in Automatically

Steps for automatic radio station tuning.

Tuning in Manually

Steps for manual radio station tuning.

Display Indications

Explains the TUNED and STEREO indicators on the display.

Antenna Adjustment

Guidance for adjusting the AM loop antenna for optimal reception.

Improving FM Reception

Advice on improving FM reception by using MONO mode.

Changing MW Tuning Interval

Procedure to change the MW tuning interval setting.

Electrical Adjustments

CD Section Adjustments

Procedures for S Curve, RF Level, and E-F Balance checks.

Tuner Section Adjustments

Procedures for RF PLL, FM, AM, and SW tuning adjustments.

Playback and Record Adjustments

Procedures for playback level, tape speed, bias, and record level adjustments.

Diagrams and Layouts

Circuit Boards Location

Location of circuit boards in the HCD-H6800.

IC Block Diagrams

Block diagrams for key ICs.

IC Pin Descriptions

Pin assignments and functions for IC104 and IC205.

Exploded Views

Cabinet and Mechanism Exploded Views

Exploded views of cabinet, cassette holder, and mechanism deck.

Summary

MHC-6800 System Overview

Component Models

Lists the component models comprising the MHC-6800 system.

Specifications

Details power, dimensions, mass, and supplied accessories.

Parts List Notes

Notes on stocked and critical safety components for parts.

TA-H6800 E Pre-Amplifier Service

Specifications

Audio and video input/output specifications.

Safety Warnings

Critical component warnings and French safety advisory.

Service Notes

Service Mode Operations

Procedures for service modes, power control, and test functions.

Service Position

Instructions for positioning the unit for service access.

Diagrams

Circuit Boards Location

Visual layout of circuit boards within the unit.

Block Diagrams

Overall system block diagram showing interconnections.

Semiconductor Lead Layouts

Diagrams showing pin configurations for semiconductors.

Printed Wiring Boards

Component layout on DSP and PIN JACK boards.

Schematic Diagrams

Schematics for DSP/PIN JACK and POWER/MICOM/PANEL sections.

Exploded Views

Cabinet Section

Exploded view of the unit's cabinet assembly.

Electrical Parts List

TA-H6800 N Power Amplifier Service

Specifications

Power output and distortion specs for various models.

Model Identification

Model number labels and power requirements by region.

General Section

Parts Identification

Identification of front panel controls and indicators.

Disassembly Procedures

Front Panel Assembly

Procedure for front panel disassembly.

Volume Board and Back Panel

Procedures for disassembling the volume board and back panel.

Heat Sink and Main Board Removal

Procedures for removing heat sink and main board.

Diagrams

Semiconductor Lead Layouts

Lead configurations for semiconductors.

Circuit Boards Location

Visual layout of circuit boards.

Printed Wiring Boards

Component layout for various boards.

Schematic Diagrams

Schematics for main section and power.

Exploded Views

Cabinet Section

Exploded view of the cabinet and its components.

Chassis Section

Exploded view of the chassis and frame assemblies.

Electrical Parts List

SS-H6800 Speaker System Service

Specifications

Speaker system specs: driver types, power, sensitivity, impedance.

Connection Diagram

Diagram showing speaker connections to the unit.

Disassembly Procedures

Front Panel and Mounted Board

Procedures for disassembling front panel and mounted board.

Exploded Views

TC-H6800 Cassette Deck Service

Specifications

Recording system, frequency response, wow/flutter.

General Information

Parts Identification

Identification of cassette deck controls and indicators.

Disassembly Procedures

Cassette Deck Components

Procedures for disassembling lid, SW board, retainer, front panel, MD block, TC main board, power board.

Mechanism Deck and Motor Disassembly

Procedures for disassembling mechanism deck and motors.

Adjustments

Precautions for Adjustments

General precautions for mechanical and electrical adjustments.

CD and Tuner Adjustments

Adjustment procedures for CD section and tuner section.

Playback and Record Adjustments

Procedures for playback level, tape speed, bias, and record level adjustments.

Diagrams and Layouts

Circuit Boards Location

Layout of circuit boards within the cassette deck.

Semiconductor Lead Layouts

Lead configuration diagrams for semiconductors.

Printed Wiring Boards

Component layout for various boards.

Schematic Diagrams

Schematic diagrams for main and connector/power sections.

Exploded Views

Cabinet and Mechanism Exploded Views

Exploded views of cabinet, cassette holder, and mechanism deck.

Electrical Parts List

HCD-H6800 Tuner CD Player Service

Specifications

Tuner and CD player specifications.

Model Identification

Model identification for the Tuner CD Player.

Servicing Notes

Optical Pick-up Handling

Precautions for handling the optical pick-up block due to ESD.

Laser Diode Checks

Procedures for checking laser diode emission and focus search.

Power Supply and Service Mode

Power supply for servicing and forceful power ON procedure.

Voltage Measurement and Display Check

Procedures for voltage measurements and FL tube check.

General Information

Parts Identification

Identification of Tuner/CD Player controls and indicators.

Tuner Controls Identification

Identification of tuner controls and buttons.

CD Controls Identification

Identification of CD player controls and buttons.

Display Window Information

Description of display window functions.

Radio Reception

Tuning in Automatically

Steps for automatic radio station tuning.

Tuning in Manually

Steps for manual radio station tuning.

Display Indications

Explains the TUNED and STEREO indicators on the display.

Antenna Adjustment

Guidance for adjusting the AM loop antenna for optimal reception.

Improving FM Reception

Advice on improving FM reception by using MONO mode.

Changing MW Tuning Interval

Procedure to change the MW tuning interval setting.

Electrical Adjustments

CD Section Adjustments

Procedures for S Curve, RF Level, and E-F Balance checks.

Tuner Section Adjustments

Procedures for RF PLL, FM, AM, and SW tuning adjustments.

Playback and Record Adjustments

Procedures for playback level, tape speed, bias, and record level adjustments.

Diagrams and Layouts

Circuit Boards Location

Location of circuit boards in the HCD-H6800.

IC Block Diagrams

Block diagrams for key ICs.

IC Pin Descriptions

Pin assignments and functions for IC104 and IC205.

Exploded Views

Cabinet and Mechanism Exploded Views

Exploded views of cabinet, cassette holder, and mechanism deck.

Sony MHC-6800 Specifications

General IconGeneral
BrandSony
ModelMHC-6800
CategoryStereo System
LanguageEnglish

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