Sony HCD-HP7 - Service Manual

HCD-HP7
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
SERVICE MANUAL
MICRO HI-FI COMPONENT SYSTEM
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-877-349-02
2003K16-1
© 2003.11
HCD-HP7 is the Amplifier, CD player, Tape
Deck and Tuner section in CMT-HP7.
SPECIFICATIONS
Ver 1.1 2003. 11
CD player section
System Compact disc and digital
audio system
LaserSemiconductor laser
(
λ=780 nm)
Emission duration:
continuous
Frequency response 2 Hz – 20 kHz (±0.5 dB)
Wavelength 780 – 790 nm
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
Tape deck section
Recording system 4-track 2-channel, stereo
Frequency response 50 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassettes
Main unit
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz: rated 60 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
Amplifier section
North American model:
Continuous RMS power output (reference):
60 + 60 watts (6 ohms at 1
kHz, 10% THD)
Total harmonic distortion less than 0.7% (6 ohms at 1
kHz, 30 W)
European and Russian models:
DIN power output (rated): 60 + 60 watts (6 ohms at 1
kHz, DIN)
Continuous RMS power output (reference):
60 + 60 watts (6 ohms at 1
kHz, 10% THD)
Music power output (reference):
120 + 120 watts (6 ohms at
1 kHz, 10% THD)
Other models:
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 60 + 60 watts (6 ohms at 1
kHz, DIN)
Continuous RMS power output (reference):
60 + 60 watts (6 ohms at 1
kHz, 10% THD)
Inputs
MD IN (phono jacks):
Sensitivity 250 mV,
impedance 47 kilohms
Outputs
PHONES (stereo minijack):
accepts headphones of 8
ohms or more
OPTICAL CD DIGITAL OUT (Supported sampling
frequency: 44.1 kHz)
SPEAKER: accepts impedance of 6 to
16 ohms.
Model Name Using Similar Mechanism NEW
CD
CD Mechanism Type CDM69CH-K6BD71C
Section
Base Unit Name BU-K6BD71C
Optical Pick-up Name KSM-213D
TAPE
Model Name Using Similar Mechanism HCD-EP515
Section
Tape Transport Mechanism Type CMAL1Z234A

Summary

SERVICING NOTES

Safety and Handling Precautions

Covers safety checks, leakage tests, optical pick-up, laser diode, and unleaded solder handling.

Service Position Guidelines

Illustrates correct service positions for tape and CD mechanism decks.

GENERAL OPERATION

Button Locations and Remote Control

Details main unit and remote control buttons, including clock setting.

DISASSEMBLY AND ASSEMBLY

Component Disassembly Procedures

Step-by-step instructions for disassembling external panels, boards, and mechanisms.

Component Assembly Procedures

Guidelines for reassembling cams, gears, encoders, and stocker assemblies.

TESTING AND ADJUSTMENTS

System Test Modes

Procedures for various test modes like Panel Test, MC Test, Cold Reset, and Version Display.

Mechanical and Electrical Adjustments

Steps for tape mechanism adjustments and electrical adjustments like head azimuth and CD focus.

DIAGRAMS AND EXPLODED VIEWS

System Diagrams

Includes circuit board locations, block diagrams, and schematic diagrams.

Exploded Views of Components

Visual breakdowns of major assemblies like chassis, mechanisms, and optical pick-up.

ELECTRICAL PARTS LIST

Sony HCD-HP7 Specifications

General

Type	Mini Hi-Fi System
CD Player	Yes
Number of Discs	1
Tuner Bands	AM/FM
Cassette Deck	Yes
Speakers	2
Remote Control	Yes
Power Output	100 W
Output Power	100 W