Sharp XL-3000 Service Manual download pdf (Page 24)

XL-3000/3000C

– 24 –

AM

GND

FM

75ohms

SO301

VSM

AM RF

OUT

OUT

IN

IN

CUT

AM LOW

FM/AM

FM AFC

AM OSC

AM OSC

FM DET

STEREO

SD

GND

AM IF

REG

AM MIX

OUT

IN

IN

FM IF

23 22 21 20 19 1824

8

7654321

PLL(TUNER)

8

765431

PD

FM IN

VDD

AIN

AOUT

VSS

X OUT

22 21 20 19 18 17 1

FM

MUTE

CE

DI

CL

DO

X IN

IC302

LC72131

FM FRONT END

1

2

3

4

56 7 9

8

IC301

BF301

BAD PASS

FILTER

TA7358AP

1

2

3

TP301

45

6

X

3

32.768kHz

8MHz

38541

1

100

67

3932

47

8

4

LCD701

LCD DISPLAY

TO

POWER PWB

REMOTE

SENSOR

RX701

3

2

1

3

2

1

CNW707

CNS707

RESET

VLC1

VLC2

VLC3

7

6

5

MMOD

VREF

VREF+

VSS

15

24

14

11

SYS_STOP

POWER

3837

13

12

10

9

X701

X702

OSC1

OSC2

XO

XI

CLID_SW

SW711~713

SW721,722

SW725~727

SW709

SW718

SW710

KEY1

KEY2

18

17

16

SYSTEM MICROCOMPU

T

FL DRIVER

IC701

IX0039SJ

A_24V

5

V

DI

CL

DO

CE

28272625

SURR

4

Q708

Q707

Q709

Q706

GND

LMP701

LAMP PWB

ANTENNA

TERMINAL

AM Band

Coverage fL

FM MUTE

LEVEL

AM IF

FM IF

AM

Tracking fL

FM RF

VD301

VD303

VD302

+5V

+5V

VT

+5V

FM +B

+5V

T302

T306

T304

T351

CF303

L302

FM ANT.

FM Band

Coverage fL

FM +B

FM +B

L303

FM OSC.

CF302

FM IF

FM IF

CF352

AM IF

SWITCHING

RESET

SWITCHING

Q306

Q302

Q701

Q702

Q703

VR351

X352

4.5MHz

COM0

COM3

SEG0

SEG33

REMOCON

P_CONT

USWD_5R6V

D_GND

P–CONT

VDD

Figure 24 BLOCK DIAGRAM (3/4)

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