Sony dxav 502 service manual

Page 1

SERVICE MANUAL

DXA- V502 is the deck amplifier section
in LBT- V502/ V5OZCD/ VSOZCDM.

AEP Model
UK Model
E Model

Aus tra/r'an Model

Model Name Using

, , . HST- 0501
Similar Mechanism

Tape Transport DECK A TCM-170A1
Mechanism Type DECK B TOM-17031

SPECIFICATIONS

Amplifier
Continuous HMS power output

60 W + 60 W (6 ohms, at 1 kHz, 0.7% THD)
Music power output 100 W + 100 W (6 ohms, at 1 kHz. 10% THD)

Input Jack type Sensitivity Impedance
PHONO IN Phone 2 mV 47 kohms
VIDEO/ DAT Phone 200 mV 47 kohms
IN
CD IN Phone 200 mV 47 kohms

Output Jack type Impedance
SURROUND Phono Accepts speakers of 8 to 16
SPEAKER ohms
HEAD- Stereophone Accepts headphones ol 8 ohms
PHONES or more

Frequency response CD: 15 Hz to 50 kHz :8 dB

Cassette deck
Recording system
Frequency response

4-track 2-channel stereo
DOLBY NR OFF
With Type II cassette (Sony UX-S)
40 Hz Io 14 kHz (3:3 (13)
With Type | cassette (Sony HF-S)
40 Hzto13 kHz (i3 dB)
Wow and flutter 0.1% (WFIMS)
General
Power requirements
AEP, Italian Models : 220V AC. 50H:
UK Model : 240V AC. 50H:
E. Saudi Arabia, Australian Models: 110. 120. 220. 240V AC.

50/ 60H:
Power consumption 280W
Weight Approx. 8 kg
Dimensrons Approx. 355 X 288 X 319 mm

(w/h/d, including projections)

Design and specifications subject to change without notice.

Dolby noise reduction manufactured under license from
Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol D0 are trademarks of
Dolby Laboratories Licensing Corporation.

STEREO CASSETTE DECK AMPLIFIER

ONY®

Page 2

DXA- V502

TABLE OF CONTENTS MODEL IDENTIFICATION
-- Specifrtation Labels -

Section Title Page DXAI- V502
Spe01f103t10n5:. . .. ..................................... 1 S ONY. MODEL NO m
Mode] Identification .................................. 2

STEREO CASSETTE DECK AMPLIFIER
1. GENERAL

Location and Function of Parts and Controls~~ 3

2. ADJUSTMENTS

SERIAL NO.
2-1 Mechanical Adjustments 4 MADE IN JAPAN
2-2. Electrical Adjustments ------------ 4
AEP, West Germany. Italian Models : AC:220V~50/60Hz
3. DIAGRAMS UK Model : AC:240V~50/60Hz
3_1 Semiconductor Lead Layouts ............... 8 E, Saudi Arabia, Australian Models: AC:110/120/ 220/
240V~50/ 60Hz
-2. ~ ~ ....................
3 C1rcu1t Boards Location 9 150W
3-3. Printed Wiring Boards ~~~~~~~~~~~~~~~~~~~~ 10
3-4. Schematic Diagram
( DeCk Section) ............................. 15
IC Block Diagram ........................... 20
3-5. Schematic Diagram
(Amplifier Section) ......................... 21 SAFETY-RELATED COMPONENT WARNING
COMPONENTS IDENTIFIED BY MARK A OR DOTTED
LINE WITH MARK @ ON THE SCHEMATIC DIAGRAMS
4. EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL To SAFE
4- 1. Overall Section ............................. 25 OPERATION. REPLACE THESE COMPONENTS WITH
. SONY PARTS WHOSE PART NUMBERS APPEAR AS
41 Front Pane 590 """""""""""" 25 SHOWN IN THIS MANUAL on IN SUPPLEMENTS PUB-
4_3. Mechanism Section (1) ..................... 27 LISHED BY SONY.
4-4, Mechanism Section (2) ~~~~~~~~~~~~~~~~~~~~ 28
5. ELECTRICAL PARTS LIST ~~~~~~~~~~~~~~~~~~~~~~ 29