Sony HCD-EP30 - Schematic Diagram

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HCD-EP30/EP40

1616

IC B/D

MAIN BOARD

(2/2)

DSIPLAY

BOARD

4.5 (4.3)

L110, TC102

AM TRACKING

T102

AM FREQUENCY

COVERAGE

L103, TC101

FM TRACKING

L104

FM FREQUENCY

COVERAGE

0 (0.7)

5.4

(0.1)

(0)

5.2 (0)

5.2 (6.2)

0 (6.2)

1.3

1.2 (0.4)

4.5 (0.1)

4.5 (4.3)

4.5 (5.6)

4.5 (4.3)

4.5 (0.1)

0 (0.7)

0.2

(0.4)

5.2

(5.4)

1.3

5.2 (6.2)

2.8 (3.6)

5.2

(6.2)

5.2

(6.2)

1.3

0.3 (0.5)

0 (2.6)

2.6 (0)

5.1

0.9

2.4 (1.5)

2.6

2.5

0.1

5.4

0.1 (3.1)

9.3

9.2

8.5

0.7

5.4

5.6

5.4

4.8

2.4

4.5

2.4

2.2

1.6

4.5

2.4

LEAD

ANTENNA

ANT1

FM ANT

75Ω

COAXIAL

C157

0.1

C104

0.001

L103

FM RF

C105 0.001

L104 FM OSC

C111

0.001

TP10

(FM VT)

R112

3.3k

10V

0.001

0.01

1.2k

0.001

50V

0.0015

3.9k

50V

6.8k

0.0033

50V

3.3k

50V

Q103

STEREO/MONO

SWITCHING

Q102

FM/AM BAND

SELECT SWITCH

Q101

FM OSC BUFFER

IC101

FM/AM IF AMB

MIX, MPX, DET, OSC

IC102

FM/AM PLL

4.7k

100p

0.001

0.022

5.6k

0.01

2.2k

50V

5.6k

0.1

7.2MHz

MTZJ-5.1

10V

1µH

Q116, 209, 210

TUNER B+ SWITCH

Q109, 605

B+ SWITCH

0.1

CN101

0.047

AM FERRITE-ROD

ANTENNA

1µH

AM OSC

0.047

50V

TP11

(AM VT)

0.022

10.7MHz

450kHz

50V

BUFFER

0.047

IC604

RDS DECODER

EP40

100µH

0.1

4.7k

16V

2.2

50V

VSS2

VDD2

RCLK

CMP

VSS3

VSS1

VDD1

MUX

VREF

RDAT

QUAL

MAIN BOARD

(1/2)

1N4148TP

2SC1923

2.2P

10.7MHz

2SD1616-L

16V

RDSCL

RDSDA

PLLCE

PLLDI

PLLCL

STOUT

SIG

470

16V

6-2. SCHEMATIC DIAGRAM – MAIN Board (1/2) –• See page 23 for Waveforms. • See page 24 for IC Block Diagrams.

• Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions.

no mark : FM

( ) : AM

∗

: Impossible to measure

(Page 21)

(Page 17)

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Sony HCD-EP30 - Schematic Diagram - MAIN Board (1;2)

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