Sony CDP-C422M User Manual

CDP-C320M/C422M
SERVICEMANUAL
UK Model
E Model
Australian Model
i
§
DISC
AUTOMATIC
Disc
LOADING
SYSTEM
B
ef
Photo: CDP-C325M
CDP-C225/C325
BU-5BD8B
SPECIFICATIONS
General
Power
requirements
UK, Australian model:
240 V AC, 50/60 Hz
AEP, East European model:
220—230 V AC, 50/60 Hz
E model:
110 — 120 or 220 — 240 V AC
adjustable, 50/60 Hz
Power 12 W
consumption
Dimensions Approx. 355 x 120 x 385 mm (w/h/d)
(not including (14 x 4% x 15% inches)
projecting parts
and controls)
Approx. 5.0 kg (11 Ibs 01 02)
fC P-C325M CDP-C422M
Compact disc digital audio system
Laser Semiconductor laser
(A = 780 nm)
Emission duration: continuous
Laser output Max. 44.6 »W*
* This output is the-value measured at a distance
of about 200 mm from the objective lens surface
on the Optical Pick-up Block.
Frequency 2 Hz — 20 kHz (+0.5 dB)
response
Signal to noise More than 100 dB
ratio
More than 98 d8
Harmonic Less than 0.005% (1 kHz)
distortion
Channel More than 100 dB (1 kHz)
separation
Wow and flutter | Below measurable limit
Outputs Output level 2 V (at 50 kilohms)
LINE OUT Load impedance over 10 kilohms
(phono jacks)
Supplied accessories
| CD P-C825M CDP-C422M
Audio signal 1
connecting cord | (phono plug x 2 «+ phono plug x 2)
Remote
commander
Sony SUM-3
(NS) batteries
Design
and
specifications
subject
to
change
without
COMPACT DISC. PLAYER
SON
Y.
HEADPHONES | Output level
(stereo phone 0 — 10 mW
jack) (variable)
(at 32 ohms)

Sony CDP-C422M Specifications

General

Brand	Sony
Model	CDP-C422M
Category	CD Player
Language	English

Summary

MODEL IDENTIFICATION

Specification Label

Label indicating model identification and specifications.

PROTECTION OF EYES FROM LASER BEAM DURING SERVICING

Laser Diode Properties and Servicing Precautions

Details laser properties and precautions for servicing the optical pick-up block.

SECTION 1 GENERAL

1-1. LOCATION AND CONTROLS

Identifies front panel and remote commander controls with page references.

SECTION 2 ELECTRICAL BLOCK CHECKING

Electrical Block Checks

Details RF level, S curve, and E-F balance checks.

RF PLL and Gain Checks

Covers RF PLL frequency check and focus/tracking gain notes.

SECTION 3 DIAGRAMS

3-1. CIRCUIT BOARDS LOCATION

Illustrates the physical location of various circuit boards within the unit.

3-2. SEMICONDUCTOR LEAD LAYOUTS

Diagrams showing the pinout and lead configurations of key semiconductors.

3-3. PRINTED WIRING BOARDS

Shows component locations on printed wiring boards.

3-4. SCHEMATIC DIAGRAM

Provides the overall schematic diagram of the unit's circuitry.

SECTION 4 EXPLODED VIEWS

Exploded Views of Assemblies

Provides exploded views for cabinet, chassis, tray, and optical pick-up block.

SECTION 5 ELECTRICAL PARTS LIST