Sony CDP-C235 Service Manual

CDP-C235/C335
SERVICE MANUAL
US Model
Canadian Model
AEP Model
CDP-C235/335
Australian Model
CDP-C235
UK Model
E Model
CDP-C335
Photo : CDP-C23!i
Compact Disc Player
System
Laser
Wavelength
Frequency response
Signal to noise ratio
Dynamic range
Harmonic distortion
Channel separation
outputs
LINE OUT
(phono jacks)
PHONES
(stereo phone jack)
General
Power requirements
Power consumption
Dimensions (w/h/d)
Model Name Using Similar Mechanism
CDP-C225/C325
Optical Pick-up Block Type BUdBD13
SPECIFICATIONS
Mass
Compact disc digital audio system
Semiconductor laser
780-790 nm
2 Hz-20 kHz (+0.5 dB)
More than 102 dB
More than 98 dB
Less than 0.0045%
More than 100 dB
Remote Commander
Remote control system
Power requirements
Dimensions
Mass
Output level 2 V (at 50 kilohms)
Load impedance over 10 kilohms
Output level max. 10 mW
Load impedance 32 ohms
(CDP-C335 only)
Supplied accessories
Audio signal connecting cord
(phono plug x 2 - phono plug x 2 ) (1)
Remote commander (1) (CDP-C335 only)
Sony SUM-3 (NS) batteries (2) (CDP-C335 only)
AC plug adaptor (1) (CDP-C335 E model only)
Approx. 5.8 kg , net
(12 Ibs 602)
(CDP-C335/C235)
RM-D335 (CDP-C335 only)
Infrared control
3 V DC with two size AA batteries
(IEC designation R6)
45 x 185 x 20 mm (w/h/d)
(1 13/16x 7 3/8x 13/16 inches)
100 g (3.5 oz) including batteries
Model for US and Canadian
120V AC, 60Hz
Model for Australian and UK
240V AC, 50160 Hz
Model for E
11 O-l 2OV, 220-240V AC, 50/60Hz
14w
Approx. 430 x 125 x 385 mm
(17 x 5 x 15Ginches)
(CDP-C335/C235)
Including projecting parts and
Design and specifications are subject to change without
notice.
controls
COMPACT DISC PLAYER
SONY@

Sony CDP-C235 Specifications

General

Disc format	CD
Frequency response	2 Hz to 20 kHz
Signal to Noise Ratio	110 dB
Channel separation	95 dB
Digital outputs	Coaxial
Year	1991
Output Voltage	2V
Type	CD Player
Digital converter	1-bit
Line output	2V

Summary

SPECIFICATIONS

Compact Disc Player

Detailed technical specifications for the CD player's system, laser, frequency response, and output characteristics.

SAFETY CHECK-OUT

Leakage Test

Outlines procedures and limits for testing AC leakage from exposed metal parts to ensure user safety.

SECTION 2. DISASSEMBLY

2-1. Removal of Case, Bottom Plate and Front Panel

2-2. Removal of Back Panel and Disc Table

2-3. Removal of Optical Pick-up Block Assembly

Procedure for safely removing the optical pick-up block assembly.

2-4. Removal of Bracket (Gear) Assembly

SECTION 3. ELECTRICAL BLOCK CHECKING

RF Level Check

Method for checking the RF signal level using an oscilloscope, including waveform description.

S Curve Check

Procedure to verify the symmetry and peak-to-peak level of the S curve waveform.

E-F Balance Check

How to check the E-F balance waveform for top/bottom symmetry relative to OV.

RF PLL Free-run Frequency Check

SECTION 5. DIAGRAMS

5-5. IC Block Diagram

SECTION 6. EXPLODED VIEWS

6-1. Front Panel and Case Assemblies

6-2. Back Panel and Disc Table Assemblies

6-4. Optical Pick-up Block Assembly

SUPPLEMENT-2

Positioning the Encoder When Attaching the Gear (MAIN)