Sony HCD-H881D User Manual

MICROFILM
HCD-H881/H881D
RVC
ANA
—
@ HCD-H881/H881D is the tuner,
deck, CD and amplifier section in
MHC-81 1, MHC-D7 and MHC-G8s.
Dolby noise
Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol 0) are trademarks of
Dolby Laboratories Licensing Corporation.
for the U.S. model
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION :
with 8 ohm loads, both channels driven,
from 40 - 20kHz ; rated 100 watts per
channel minimum RMS power, with no
more then 0.9 % total harmonic distortion
from 250 milliwatts to rated output.
CD player section
System Compact disc and digital
audio system
Laser Semiconductor laser
Wavelength 780-790 nm
Frequency response
2Hz- 20 kHz (+0.5 dB)
Signal-to-noise ratio
More than 90 dB
Dynamic range More than 90 dB
CD DIGITAL OUT OPTICAL
(Square optical connector jack, rear panel)
Wavelength 600 nm
Output Level -18 dBm
Tuner section
FM stereo, FM /AM superheterodyne
tuner
FM tuner section
Tuning range US, Canadian model :
87.5- 108MHz (100kHz step)
EXCEPT US, Canadian,
East European model :
87.5- 108MHz (50kHz step)
East European model :
FM 1 : 65— 74MHz (10kHz step)
FM 2: 87.5~ 108MHz (50kHz step)
reduction manufactured under license from
MHe-881
Photo : HCD-H881
Tape deck
Section
SPECIFICATIONS
Antenna FM lead antenna
Antenna terminals
75 ohm unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range US, Canadian model :
531- 1,710kHz (with the tuning
interval set at 9kHz)
530- 1,710kHz (with the tuning
interval set at 10kHz)
AEP, UK, East European, German model :
MW : 53i- 1,602kHz (with the
tuning interval set at 9kHz step)
LW : 153- 279kHz
Italian model :
MW : 522~ 1,611kHz (with the
tuning interval set at 9kHz step)
LW : 153- 279kHz
E, Saudi Arabia, Argentine, Hong Kong,
Malaysia, Taiwan, Singapore, Australian,
Tourist, Indonesia, CIS, Mexican,
Thailand model :
531 - 1,602 kHz (with the
tuning interval set at 9 kHz)
530 - 1,710 kHz
(with the tuning interval set
at 10 kHz)
SW :5.95- 17.90MHz
(E3, Saudi Arabia, Hong Kong, Tourist,
Malaysia, Singapore, Indonesia, CIS model)
an Model Name Using Similar Mechanism
, CD Mechanism Type CDM38-5BD19
Section
ausaDI9
Model Name Using Similar Mechanism
Tape Transport Mechanism Type TCM-220WR2E
hear Ae
US Model
Canadian Model
HCD-H881/H881D
AEP Model
UK Model
E Model
Australian Model
Tourist Model
HCD-H881
Antenna AM loop antenna,
External antenna terminals
Intermediate frequency
450 kHz
Amplifier section
AEP, UK, German, Italian, East European, CIS model :
DIN 50W+50W (8 ohm, 1kHz, 0.8% THD)
RMS 60W+60W (8 ohm, 1kHz, 10% THD)
MUSIC power output
105W+105W (8 ohm, 1kHz, 10% THD)
US, Canadian model :
FTC 100W+100W (8 ohm, 40- 20kHz, 0.9% THD)
Continuous RMS _ power output
120W+120W (8 ohm, 1kHz, 5% THD)
Other model
Peak music power output
1200 W
Continuous RMS power output
80 W + 80 W (8 ohm atl
kHz, 5 % THD)
Inputs
VIDEO/MD IN (phono jacks):
voltage 450 mV,
impedance 47 kilohm
MIX MIC (phone jacks):
sensitivity 1 mV,
impedance 10 kilohm
— Continued on page 2 —
MINI HiFi COMPONENT SYSTEM
SONTY.

Sony HCD-H881D Specifications

General

Tuner Bands	FM/AM
CD Player	Yes
Remote Control	Yes
Type	Mini Hi-Fi System
Tuner	Digital
Speakers	Included

Summary

Safety Check-out Procedures

Leakage Test Procedures

Procedure for measuring AC leakage current from exposed metal parts.

Servicing Notes and General Information

Servicing Notes

Precautions for handling optical parts, laser diodes, and jigs.

General Overview and Controls

General information, index to parts, controls, and panel layout.

Disassembly Procedures

Component Removal Steps

Step-by-step instructions for disassembling front panel, CD block, and cassette mechanism.

Adjustment Procedures

Mechanical & Electrical Adjustments

Mechanical and electrical adjustments for tape deck functions.

Tape Speed, Level, and Bias Adjustments

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

Tuner Section Operations

Tuner Repair Precautions & Tuning Adjustments

Precautions and level adjustments for FM, MW, and SW tuning.

FM Poler Adjustment (CIS Model)

FM Poler adjustment procedure specific to CIS models.

CD Section Operations

CD Focus, RF, and Waveform Checks

Procedures for CD focus bias, RF level, S-curve, and E-F balance checks.

Focus/Tracking Gain Adjustment Note

Note advising against performing focus/tracking gain adjustment.

IC Terminal Explanations

IC Terminal Functions

Explanation of terminals for key ICs like IC500 and IC701.

System Diagrams and Layouts

Block Diagrams (CD, Main Sections)

Block diagrams for CD section and main section (parts 1 and 2).

Circuit Board Locations

Diagram showing the location of various circuit boards within the unit.

Main Section PWB & Schematics

PWB layouts and schematic diagrams for the main section.

Panel Section PWB & Schematic

PWB layout and schematic diagram for the panel section.

BD Section PWB & Schematic

PWB layout and schematic diagram for the BD section.

TCB Section PWB & Schematic

PWB layout and schematic diagram for the TCB section.

Power Section PWB & Schematic

PWB layout and schematic diagram for the power section.

Audio Section PWB & Schematic

PWB layout and schematic diagram for the audio section.

Polar Section PWB & Schematic

PWB layout and schematic diagram for the polar section.

Exploded Views and Parts Lists

Exploded Views of Major Assemblies

Exploded views for chassis, front panel, mechanism decks, disc table, CDM chassis, and base unit.

Electrical and Hardware Parts

Comprehensive lists of electrical components and hardware used in the system.

Hardware List