Sony CDP 997 Service Manual

Page 1

SERVICE MANUAL

EDP-997

US Model
AEP Model

Compact disc player
Frequency response
Signal to noise ratio
Dynamic range
Harmonic distortion
Channel separation

Outputs
LINE OUT (FIXED)

(phone jacks)
LINE OUT (VARIABLE)
(phone jacks)

DIGITAL OUTPUT
(OPTICAL)

(optical output
connector)
HEADPHONES
(stereo phone jack)

General
Power requirements
Power consumption

Model Name Using Similar Mechanism GDP-597
CD Mechanism Type CDM14-SBD8A
Optical Pick-Up Block Type BU-5BD8A

SPECIFICATIONS

2 Hz-ZO kHz $0.3 dB
More than 115 dB
More than 100 dB
Less than 0.0025%
More than 110 dB

Output level 2 V (at 50 kilohms,
non DSP mode)

Load impedance over 10 kilohms
Output level max. 2 V

(at 50 kilohms. non DSP mode)
Load impedance over 50 kilohms
Wave length 660 nm

Output level -18 dBm

Output level max. 28 mW
Load impedance 32 ohms

120 V AC, 60 HZ
17W

430x110x355 mm

(17X 43/; X 14 inches)
Including projecting parts and

Dimensions Approx.
(w/h/d)
controls

Weight Approx.

Remote commander (RM-0997)
Fiemote control system infrared
Power requirements 3 V DC

4.6 kg (9 lbs 15 02)

control

with two batteries size
designation H6)
62X18X 175 mm

(21/2 Xzalu X7 inches)

AA (IEC
Dimensions Approx

(w/h/d)
Weight

135 g (4.6 oz)

Including batteries

Supplied accessories
Connecting cord (1)

(2 phone plugs <-> 2 phono plugs)
Remote commander (1)

Sony SUM-3(NS) batteries (2)

- Continued on next page -

COMPACT Disc PLAYER
S ONY;

Page 2

GDP-997

Optlonal accessory
Audio optical connecting cord P0015

Design and specifications are subject to change without

notice.
TABLE OF CONTENTS
Section llq Page Semion M Page
1. GENERAL 6. EXPLODED VIEWS
14' Identifying the Pans .............. 6-1. Operation Assembly .

6-2. Main Assemblymun
2. DISASSEMBLY ................ . ............................. 6 6-3. MD Assembly (CDM-SBDBA) ..........
64. Optical Pick-up Block Assembly (BU-SBD8)~

3. IC pm FUNCTIONS ........................................ 7

7. ELECTRICAL PARTS LIST-
4. ELECTRICAL BLOCK CHECKING.......................... l7

5. DIAGRAMS

5-1. Block Diagram --------

5-2, Printed Wiring Boards

5-3. Schematic Diagram
0 IC Block Diagrams"-
. Semicunduclor Lead Layouts--

WARNING I!

AN ISOLATION TRANSFORMER SHOULD BE USED
DURING ANY SERVICE TO AVOID POSSIBLE SHOCK
HAZARD, BECAUSE OF LIVE CHASSIS.

THE CHASSIS OF THIS RECEIVER IS DIRECTLY CON-
NECTED TO THE AC POWER LINE.

SAFETY-RELATED COMPONENT WARNING II

COMPONENTS IDENTIFIED BY SHADING AND MARK
A ON THE SCHEMATIC DIAGRAMS. EXPLODED
VIEWS 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
PUBLISHED BY SONY.