Sony STRDE-215 Service manual

STR-DE215

SERVICE MANUAL

Manufactured under license from Dolby Laboratories Licensing Corporation. “DOLBY”, “PRO LOGIC” and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

SPECIFICATIONS

AEP Model

Amplifier section

Power output (DIN 1kHz, 4ohms)

Frequency PHONO : RIAA response equalization curve

Inputs

Sensitivity Impedance S/N

PHONO 2.5mV 50 74dB (MM) Kilohms 72dB*

CD, 200mV TAPE/MD,

TV/LD, VIDEO

60W + 60W

± 0.5dB

CD, TAPE/MD,VIDEO :

10Hz - 50kHz ± 1dB

(weighting network, input level)

50 82dB

150mV

Kilohms 82dB*

(A, 2.5mV)

(A, 150mV)

*78 IHF

Outputs TAPE/MD REC OUT :

Voltage : 150mV, Impedance : 10 kilohms

VIDEO AUDIO OUT :

Voltage : 150mV, Impedance : 10 kilohms PHONES :Accepts low and high impedance headphones

BASS BOOST + 10dB at 70Hz

TONE ± 8dB at 100Hz and

10kHz

FM tuner section

Tuning range 87.5 - 108.0MHz

Aerial terminalss75ohms, unbalanced Sensitivity Mono : 18.3 dBf, 2.2µV

/75ohms

Stereo : 38.3 dBf, 22.5µV

/75ohms

Usable 11.2 dBf, 1µV sencitivity /75ohms (IHF)

S/N Mono : 76dB

Harmonic Mono : 0.3% distortion at Stereo : 0.5% 1kHz

Separation 45dB at 1kHz

Frequency 30Hz - 15kHz response

Selectivity 60dB at 400kHz

AM tuner section

Tuning range 522 - 1611 kHz

Aerial Loop aerial

Usable 50dB/m (at 999kHz) sensitivity

S/N 54dB (at 50mV/m)

Harmonic 0.5% (50mV/m, distortion 400Hz)

Selectivity 35dB

Stereo : 70dB

+ 0.5

-2

— Continued on next page —

MICROFILM

FM STEREO/FM-AM RECEIVER

TABLE OF CONTENTS

General

System Tuner section : PLL

quartz-locked digital synthesizer system

Preamplifier section :

Low-noise NF type equalizer

Power amplifier section :

Pure-complimentary SEPP

Power 230V AC, 50/60Hz requirements

Power 115W consumption

Dimensions 430 × 145 × 295mm

Mass (Approx.) 5.5kg

Supplied FM wire aerial (1) accessories AM loop aerial (1)

Remote controller (remote) (1) Size AA (R6) batteries (2)

Design and specifications are subject to change without notice.

Specifications ··············································································· 1

1. GENERAL ...................................................................... 3

2. EXPLANATION OF IC TERMINALS····················· 5

3. DIAGRAMS

3-1. Circuit Boards Location ····················································· 7 3-2. Printed Wiring Boards (MAIN SECTION)························8 3-3. Schematic Diagram (MAIN SECTION) ·························· 11 3-4. Schematic Diagram (DISPLAY SECTION) ····················16 3-5. Printed Wiring Boards (DISPLAY SECTION) ················ 19

4. EXPLODED VIEWS

4-1. Front Panel Section ··························································23 4-2. Chassis Section································································· 24

5. ELECTRICAL PARTS LIST ··································· 25

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! 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 PUBLISHED BY SONY .

— 2 —

SW (A) board

POWER board

VOLUME board

VR -TONE board

KEY board

DISPLAY board

AC SWITCH board

SW (B) board

SW board

MAIN board

LOCATION AND FUNCTION OF CONTROLS <FRONT>

123

!•!ª@º

1 POWER switch 2 CENTER LEVEL +, – buttons 3 REAR LEVEL +, – buttons 4 MASTER VOLUME control 5 BALANCE control 6 TREBLE control 7 BASS control 8 BASS BOOST button/indicator 9 TAPE/MD button 0 PHONO button

<REAR>

SECTION 1

GENERAL

!§

!¶

9!º!¡!™!£!¢!∞

678

!¡ TV/LD button !™ TUNER button !£ VIDEO button !¢ CD button !∞ DIRECT button !§ SHIFT button !¶ Numeric buttons !• Tuner control buttons !ª PHONES jack @º SPEAKERS (A/B) buttons

• IC201 µPD78044FGF-064-3B9

Pin No.

1 2 3 4 5 6 7 8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40

EXPLANATION OF IC TERMINALS

Pin Name

DIG7 DIG6 DIG5 DIG4 DIG3 DIG2 DIG1

+5V

S. CLK

S. DATA

PLL. DATA

S. CE (LC7288)

S. CE (LV100)

REAR-RY

BRIDGE CABLE

PROTECT

RESET AUTO-STOP STEREO-IN

AVss

SP-RY

SURR-RY

POWER-RY

NOT USED

SIGNAL

A/D3 A/D2 A/D1

AVDD

AV. R EF

GND

NC Vss

X2 IC. MUTE PROLOGIC CSTUDIO

HALL

T. MUTE

SECTION 2

I/O

O O O O

Fluorescent indicator tube drive. O O O

—

Power supply (+5V). I

System clock. I

System data. I

PLL data input from TU001. O

Chip enable output. O

Chip enable output.

—

Not used.

—

Not used. I

Protector detect input. I

System reset terminal. I

Auto stop detect input. I

Stereo detect input.

—

Ground. O

Speaker relay drive.

—

Not used. O

Power Relay.

—

Not used. I

A/D signal input terminal. I

A/D3 key input terminal. I

A/D2 key input terminal. I

A/D1 key input terminal.

—

Power supply (+5V).

—

Reference voltage (+5V).

—

Ground.

—

Not used (Open).

—

Ground. I

System clock (4.19MHz). O

Mute drive output for µPD2581V (IC701).

—

Not used (Open).

—

Not used (Open).

—

Not used (Open). O

Tuner mute drive output.

Description

Pin No.

SECTION 3

3-1. CIRCUIT BOARDS LOCATION

STOP

SIRCS

VLOAD

DIG10 DIG9 DIG8

I/O

Volume Up Control.

Volume Down Control.

—

Not used (Open).

System power ON/OFF.

RDS data input.

RDS clock input.

Stop signal input from NJM2103D (IC950).

—

Vss

+5V

K14 K13 K12 K11

S15 S14 S13 S12 S11 S10

S9 S8 S7

S6 S5 S4 S3 S2 S1

Ground.

Sircs signal input.

Power switch input terminal.

—

Not used (Open).

—

Power supply (+5V).

—

Bass boost LED drive.

Line mute drive.

—

Not used.

Input for model select.

Key in 4.

Key in 3.

Key in 2.

Key in 1.

—

Not used.

Key out 15.

Key out 14.

Key out 13.

Key out 12.

Key out 11.

Key out 10.

Key out 9.

Key out 8.

Key out 7.

—

Connect to –24V.

Key out 6.

Key out 5.

Key out 4.

Key out 3.

Key out 2.

Key out 1.

Fluorescent indicator tube drive.

O O

Pin Name

VOLUME UP

VOLUME DOWN

STANDBY

SYS. POWER

RDS. DATA. IN

RDS. CLK. IN 47 48 49 50

POWER SW

5.1ch LED 52 53

BASS BOOST

FUNC. MUTE

SL MUTE

VERSION 57 58 59 60 61

SR MUTE 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80

Description

   

Key out ⇒ Fluorescent indicator tube drive.

    

  

Key out ⇒ Fluorescent indicator tube drive.

   

DIAGRAMS

STR-DE215

1 AC power cord 2 FRONT SPEAKERS (A/B) 3 VIDEO 4 TV/LD 5 TAPE/MD

56

6 CD 7 PHONO 8 ANTENNA (FM/AM) 9 SIGNAL GND

— 3 — — 4 — — 5 — — 6 —

+ 8 hidden pages