Sony CDP-70 User Manual

SERVICE MANUAL
US Model
Canadian Model
AEP Model
UK Model
E Model
SPECIFICATIONS
Output level 2 V (at 50 kiloohms)
Load impedance over 10 kiloohms
Compact disc player
Compact disc digital audio system
Laser output Max. 44.6 pW"
* This output is the value measured at a
distance of about 200 mm from the
Pick-up Block.
Frequency response | 2Hz- 20,000 Hz (+0.3 dB)
Signal-to-noise ratio {|More than 102 dB
Channel separation More than 98 dB (1kHz)
Outputs
LINE OUT
(phono jacks)
DIGITAL OUT (OPTICAL) | Wave fength 660 nm
(optical output connector) | Output level - 18 dBm
HEADPHONES Output level max. 15 mW
(stereo phono jack) Load Impedance 32 ohms
Dimensions (approx.)
Laser Semiconductor laser (A = 780 nm)
Emission duration: continuous
objective lens surface on the Optical
Dynamic range More than 95 dB
Harmonic distortion Less than 0.003% (1kHz)
(Fixed)
General
(w/h/d)
120 V AC, 60Hz
430 x 95 x 275 mm
(17 x 3% x 10% inches)
including projecting parts and controls
Weight (approx., net) |3.5 kg (7 Ibs 11 02)
MICROFILM
Model Name Using Similar Mechanism) CDP-208ESD
CD Transport Mechanism Type KSS-150A(RP)
Optical Pick-Up Block Type BU-5C
Supplied accessories
Audio signal
connecting cord
1 (2 phono plugs - 2 phono plugs)
Remote commander | tT
Sony SUM-3 (NS)
batteries
Remote commander
Remote control Infrared control
system
3 V DC with two size AA (Ré) batteries
67 x 20 Xx 175 mm (w/h/d)
(2% x 13/16 X 7 inches)
Weight 135 g (5 oz) including batteries
Design and specifications subject to change without
notice.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK A OR DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
COMPACT DISC PLAYER
SONY.
Pe Ree Te ee ee ae ee

Sony CDP-70 Specifications

General

Brand	Sony
Model	CDP-70
Category	CD Player
Language	English

Summary

SECTION 1 GENERAL

1-1. Location of Controls

Illustrates the front panel and remote commander controls.

SECTION 2 ELECTRICAL ADJUSTMENTS

RF PLL Frequency Adjustment/Lock Frequency Check

Procedure for adjusting and checking RF PLL frequency.

E-F Balance Adjustment

Procedure for E-F balance adjustment, typically after replacing optical pick-up.

Focus Bias Adjustment

Procedure for focus bias adjustment, typically after replacing optical pick-up.

REFERENCE

Focus/Tracking Gain Adjustments

Explains focus/tracking gain and provides adjustment methods and symptom analysis.

SECTION 3 DIAGRAMS

3-1. SEMICONDUCTOR LEAD LAYOUTS

Illustrates pin configurations and layouts for various semiconductor components.

3-2. PRINTED WIRING BOARDS

Diagrams showing the layout of printed wiring boards for different sections of the player.

3-3. SCHEMATIC DIAGRAM

Provides the detailed schematic diagram of the player's circuitry.

3-4. EXPLANATION OF IC601 (MSC6458-36SS)

Explains the functions and pin descriptions of IC601.

SECTION 5 ELECTRICAL PARTS LIST

Capacitors

List of all capacitors used in the player, with part numbers and specifications.

Resistors

List of all resistors used in the player, with part numbers and specifications.

Coils

List of coils used in the player, with part numbers and specifications.

Semiconductors

List of semiconductors used in the player, with part numbers and specifications.

SECTION 4 EXPLODED VIEWS

4-1. MAIN BLOCK

Exploded view of the main block, showing component assembly and part numbers.

4-2. OPTICAL PICK-UP BLOCK

Exploded view of the optical pick-up block and its associated parts.