Sony HCD-EP-707 Service manual

HCD-EP707

DOCUMENT demo

SERVICE MANUAL

Ver 1.7 2004.02

HCD-EP707 is the amplifier, CD player , tape deck and tuner section in CMT-EP707.

CD Section

TAPE Section

SPECIFICATIONS

US Model

Canadian Model

AEP Model

UK Model

Austr alian Model

Model Name Using Similar Mechanism NEW CD Mechanism Type CMCJ-0132 Model Name Using Similar Mechanism HCD-EP505 Tape T ransport Mechanism T ype CRL4349

AUDIO POWER SPECIFICATIONS: (U.S.A. model only)

POWER OUTPUT AND TOTAL HARMONIC DISTORTION:

with 4 Ω loads both channels driven, from 120

- 10,000 Hz; rates 15 W per channel minimum RMS power, with no more than 10% total harmonic distortion from 250 mW to rated output.

Amplifier section Canadian model:

Continuous RMS power output (reference)

European model:

DIN power output (rated) 12 + 12 W

Continuous RMS power output (reference)

Music power output (reference)

Other model:

The following measured at AC 230 V or AC 120 V, 50/60 Hz DIN power output (rated) 12 + 12 W

Continuous RMS power output (reference)

Inputs MD IN (phono jacks): voltage 450 mV,

Outputs PHONES: Accepts headphones of (stereo mini jack) 8 Ω or more SPEAKER: Accepts impedance of 8 to

15 + 15 W (4 Ω at 1 kHz, 10% THD)

(4 Ω at 1 kHz, DIN)

15 + 15 W (4 Ω at 1 kHz, 10% THD)

38 + 38 W

(4 Ω at 1 kHz, DIN)

15 + 15 W (4 Ω at 1 kHz, 10% THD)

impedance 47 kilohms

16 Ω

CD player section

System Compact disc and digital

Laser Semiconductor laser

Frequency response 20 Hz - 20 kHz (±0.5 dB) OPTICAL DIGITAL OUT (Square optical connector jack, rear panel) Wavelength 660 nm

Tape player section

Recording system 4-track 2-channel stereo Frequency response 50 - 13 000 Hz (±3 dB),

Tuner section

FM stereo, FM/AM superheterodyne tuner

FM tuner section

Tuning range 87.5 - 108.0 MHz Antenna FM lead antenna Antenna terminal (Except for European model)

Intermediate frequency 10.7 MHz

AM tuner section

Tuning range Pan-American model: 530 - 1 710 kHz

European model: 531 -1 602 kHz

audio system

(λ=780 nm) Emission duration: continuous

using Sony TYPE I cassette

75 Ω coaxial

(with the interval set at 10 kHz) 531 - 1 710 kHz (with the interval set at 9 kHz)

(with the interval set at 9 kHz)

Other models: 531 - 1 602 kHz

Antenna AM loop antenna Intermediate frequency 450 kHz

General

Power requirements North American model : 120 V AC, 60 Hz Other models: 230 V AC, 50/60 Hz

Power consumption European model: 38 W

Other models: 38 W

Dimensions (w/h/d):

Mass: Approx. 5.0 kg

Supplied accessories: AM loop antenna (1)

Design and specifications are subject to change without notice.

(with the interval set at 9 kHz) 530 - 1 710 kHz (with the interval set at 10 kHz)

0.5 W (in the standby mode)

Approx. 180 × 246 × 335 mm

Remote Commander (1) Batteries (2) FM lead antenna (1) (Except for European model)

9-874-043-08 Sony Corporation

2004B05-1 Home Audio Company C 2004.02 Published by Sony Engineering Corporation

COMPACT DISC DECK RECEIVER

HCD-EP707

Ver 1.6

5-7. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 20 for Waveforms. • See page 30 for IC Block Diagrams.

FM ANT

COAXIAL

(Page 27)

DISPLAY

(Page

27)

DISPLAY

BLOCK

∗

SUPPLIED WITH THE

ASSEMBLED BLOCK

75Ω

BOARD

∗

DIGITAL

OPTICAL

Q248 – 251 LED DRIVE

[0.1]

[0.7]

0 [4.7] <4.7> 4.7 4.2 0 0

(4.7)

2.2U 50V

CON204

MD IN

<0.1>

<0.7> 0.1

0.7

{4.5}0<5>

5.6k

2.2U 1000P

50V

2700P 2700P

4.7U

4.7U 50V

50V

2.7k

11P

DISPLAY

BOARD

(Page 27)

MOTOR ON

REC-EN

SOL

CD_DRV_B+

L-CH

R-CH

(Page 23)

CHANGER

MECHANISM

BLOCK

∗

SUPPLIED WITH THE

ASSEMBLED

BLOCK

(Page 27)

DISPLAY BOARD

L-OUT

R-OUT

RIN

LIN

∗

(1/2)

MAIN

BOARD

(2/2)

MAIN

BOARD

(2/2)

R412 3.9k

C318

C319

C320 470P

1000P

220U

16V

IC204

FUNCTION

SELECT

IC B/D

D207

133

44.24.24444444444

16V

470P

16V

470U

16V

IC206

DRAWER

MOTOR DRIVE

4.2

8.8

0.6

8.8

0.6

5.6

4.2

C316

0.1

4.2

8.8

0.6

8.8

0.6

6.1

4.2

IC205

CARRIAGE MOTOR DRIVE

IC B/D

470U

16V

IC B/D

(Page 23)

0.047U

C325

0.1U

IFT202, VC205 AM TRACKING

AM RF

AM OSC

12P

10P

Q206, 207

B+ SWITCH

L203, VC202

FM TRACKING

3.3k

1000p

33R

0.9

0.1U

(0)

0.1U

1.3 1.3

IFT201

AM FREQUENCY

COVERAGE

100R

2200U

10V

fmax – fmin FM: 2.4 – 6.9 AM: 1.2 – 7.7

7.2MHz

0.047U

3.3U 50V

5.6k

0.1U

2.3 4.7 0.9 4.7

2.2k 2.2k

0.001U

15K

4.7

(5.7)

4.7

4.7 (5.7)

(5.7)

0.022U

2.2U 50V

MAIN BOARD

(VT)

AM ANT

(FM ANT)

D. OUT

VCC

CON206

CON218

0.047U

CON219 GPIF32T

[5.1] [1.8]

(GND)

0.047U

8.9 4.8

50V

8.9 8.9

8.1

C322 560P

5.4

Q205 +5V

REGULATOR

1000U

10V

0.1

C321 560P

CON219

OPTICAL

TRANSCEIVER

OUT

D. GND

(1/2)

1000p

10K

0.1

0.7

C323 560P

FM FREQUENCY COVERAGE

16V

R222

22R

4.7

(5.7)

(0.3)

2.4

(3.2)

16V

0.01U

2.2k

5.6k

4.7k

2.2k

L204

3.6

0.01U

(4.3)

1.9

FM OSC

(2.1)

1.1

BUFFER

(1.4)

1000p

4.7U

50V

1.1

1.2 1.3 1.3 4 4 3.9

4.7

(5.7)

0.001U

2.4 (0)0(2.4)

44.74.2002.3

(2.7)

0.1U

1 2

3.3k

1.3 1.3

AM IF

IFT205

AM IF

(4.8)

12k

(AEP, UK)

R261

4.7k

1.8 1.8 1.7 3.7

1000p

50V

2.2U 50V

0.1

(0.3)

FM/AM IF AMP, MIX, MPX DET,

IC201

FM/AM PLL

IC B/D

470U

0.1

16V

0.01U

Q204

FM/AM

SELECT SWITCH

BUFFER

0.1

(0.3)

4.7U 50V

IC202

OSC

4.7k4.7k

0.6 [8]

8.6

[7.3]

8.6 [0]

0.01U

(0.1)

2SB1240

4.7

(5.1)

IC B/D

L206 100µH

20k 20k 1800P 1800P

0 (0.7)

0.022U

0.1U

+5V

8.6

Q210, 211

B+ SWITCH

[4.7]

50V

∗

50V

4.7k

4.7U 50V

4.7k

IC203

RDS DECODER

IC B/D

133

2 1.9 3.7 0 1.9

560P

2.2U 50V

Q208

BUFFER

3.6 4 44 4 3.6 44 4 44 4 8.1

3.3k

2.3

1.3

2.2U 50V

4.7U 50V

1.5k

0.6

B+ SWITCH

2.2U 50V

3.9

3.3

2.2k

3.9

0.12

5.6k

9.1k

CE284

100U

16V

IC207

INPUT SELECT,

ELECTRICAL

VOLUME

IC B/D

0.12 0.12 0.12

5.6k

9.1k

2.2k

C313

0.01U

The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.

Les composants identifiés par une marque 0 sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.

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