Sony Xr-c2604j User manual

SERVICE MANUAL

FM/MW/SW CASSETTE CAR STEREO

Saudi Arabia Model

SPECIFICATIONS

XR-C2604J

Model Name Using Similar Mechanism XR-C2600

Tape Transport Mechanism Type MG-36SZ10-32

Cassette player section

Tape track 4-track 2-channel stereo

Wow and flutter 0.13 % (WRMS

Frequency response 30 – 15,000 Hz

Signal-to-noise ratio 55 dB

Tuner section

Tuning range 87.5 – 108.0 MHz

Aerial terminal External aerial connector

Intermediate frequency 10.7 MHz

Usable sensitivity 9 dBf

Selectivity 75 dB at 400 kHz

Signal-to-noise ratio 65 dB (stereo ,

68 dB (mono

Harmonic distortion at 1 kHz

0.7 % (stereo ,

0.4 % (mono

Separation 35 dB at 1 kHz

Frequency response 30 – 15,000 Hz

Tuning range 531 – 1,602 kHz

Tuning range SW tuning interval:

SW1: 2,940 – 7,735 kHz

SW2: 9,500 – 18,135 kHz

(except for 10,140 – 11,575

kHz

Aerial terminal External aerial connector

Intermediate frequency 10.7 MHz/450 kHz

Sensitivity 30 µV

Power amplifier section

Outputs Speaker outputs

(sure seal connectors

Speaker impedance 4 – 8 ohms

Maximum power output 45 W × 4 (at 4 ohms

General

Outputs Audio output

Power aerial relay control

lead

Power amplifier control

lead

Telephone ATT control

lead

Tone controls Bass ±8 dB at 100 Hz

Treble ±8 dB at 10 kHz

Power requirements 12 V DC car battery

(negative earth

Dimensions Approx. 188 × 58 × 182 mm

(w/h/d

Mounting dimensions Approx. 182 × 53 × 163 mm

(w/h/d

Mass Approx. 1.2 kg

Supplied accessories Parts for installation and

connections (1 set

Front panel case (1

Design and specifications are subject to change

without notice.

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Flexible Circuit Board Repairing

• Keep the temperature of the soldering iron around 270 ˚C dur-

ing repairing.

• Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

• Be careful not to apply force on the conductor when soldering

or unsoldering.

Notes on chip component replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

TABLE OF CONTENTS

1. GENERAL

Location of Controls ....................................................... 3

Setting the Clock ............................................................. 3

Installation....................................................................... 4

Connections ..................................................................... 5

2. DISASSEMBLY ......................................................... 7

3. MECHANICAL ADJUSTMENTS....................... 10

4. ELECTRICAL ADJUSTMENTS

Test Mode ........................................................................ 10

Tape Deck Section .......................................................... 10

Tuner Section .................................................................. 12

5. DIAGRAMS

5-1. Note for Printed Wiring Boards and

Schematic Diagrams ....................................................... 14

5-2. Printed Wiring Board – MAIN Board – ......................... 15

5-3. Schematic Diagram – MAIN Board (1/2) – ................... 16

5-4. Schematic Diagram – MAIN Board (2/2) – ................... 17

5-5. Printed Wiring Board – KEY Board –........................... 18

5-6. Schematic Diagram – KEY Board –............................... 19

5-7. IC Pin Function Description ........................................... 21

6. EXPLODED VIEWS................................................ 23

7. ELECTRICAL PARTS LIST ............................... 26

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SECTION 1

GENERAL This section is extracted from

instruction manual.

Location of controls

Refer to the pages listed for details.

1MENU button 7, 8, 9, 10, 12

2Volume control dial

3SOURCE (TUNER/CD/MD) button 8, 9, 11

4PRST/DISC +/– (cursor up/down) buttons

7, 8, 9, 10, 12

During radio reception:

Preset stations select 9

During CD/MD playback:

Disc change 12

5DSPL (display mode change) button

8, 11, 12

6MODE button

During radio reception:

BAND select 8, 9

During CD or MD playback:

CD/MD unit select 11

7Z(eject) button 7

8Display window

9m/M(fast winding)/DIR (tape

transport direction change) buttons 7

q; D-BASS button 11

XR-C2604J

–

MODE

DSPL

OFF

DIR D-BASS

ENTER

SOUND

RELEASE

1 2 3 4 56

SEEK/AMS

REP SHUF

SOURCE

qa SOUND button 10

qs RELEASE (front panel release) button

6, 14

qd SEEK/AMS –/+ (cursor left/right) buttons

7, 8, 9, 10, 12

seek 9

Automatic Music Sensor 12

manual search 12

qf Reset button (located on the front side

of the unit behind the front panel) 6

qg ENTER button 7, 8, 9, 10, 12

qh Number buttons

During radio reception

Preset number select 9

During tape/CD/MD playback:

(1) REP 13

(2) SHUF 13

qj OFF button*6

*Warning when installing in a car

without ACC (accessory) position on

the ignition key switch

Be sure to press (OFF) on the unit for two

seconds to turn off the clock display after

turning off the engine.

When you press (OFF) momentarily, the

clock display does not turn off and this

causes battery wear.

Setting the clock

The clock uses a 12-hour digital indication.

E ample: To set the clock to 10:08

Press (MENU), then press either side of

(PRST/DISC) repeatedly until “CLOCK”

appears.

1Press (ENTER).

The hour indication flashes.

2Press either side of (PRST/DISC) to set

the hour.

3Press + side of (SEEK/AMS).

The minute indication flashes.

4Press either side of (PRST/DISC) to set

the minute.

Press (ENTER).

The clock starts.

After the clock setting is complete, the

display returns to normal playback mode.

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SECTION 2

DISASSEMBLY

SUB PANEL

MECHANISM DECK (MG-36SZ10-32)

Note: Follow the disassembly procedure in the numerical order given.

1three claws

1two claws

2sub panel

2two screws

(BTP2.6 ×6)

1connector

(CN350)

1connecto

(CN300)

3mechanism deck

(MG-36SZ10-32)

2two screws

(BTP2.6 ×6)

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MAIN BOARD

BRACKET (MD)

2two ground point screws

4main board

1claw

3screw

(BTP2.6 ×6)

3two screws

(BTP2.6 ×6)

1claw 1claw

1claw

2four screws

(B2.6 ×4)

3bracket (MD)

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MOTOR ASS’Y (CAPSTAN/REEL) (M901)

HEAT SINK

1seven screws

(PTT2.6 ×10)

2hear sin

3two screws

(P2 ×2.5)

4motor ass’y (capstan/reel)

(M901)

Note: When installing motor,

adjust the screw and

screw hole of motor.

2sub belt (C)

1main belt

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Mode Tension Meter Meter Reading

Forward CQ-403A 5.89 mN•m

more than 60 g

Reverse CQ-403R (more than 2.12 oz)

SECTION 3

MECHANICAL ADJUSTMENTS SECTION 4

ELECTRICAL ADJUSTMENTS

1. Clean the following parts with a denatured-alcohol-moistened

swab:

playback head pinch roller

rubber belt capstan

idler

2. Demagnetize the playback head with a head demagnetizer.

3. Do not use a magnetized screwdriver for the adjustments.

4. The adjustments should be performed with the power supply

voltage (14.4 V) unless otherwise noted.

•Torque Measurement

Mode Torque Meter Meter Reading

2.46 – 5.39 mN•m

Forward CQ-102C 25 – 55 g•cm

(0.35 – 0.76 oz•inch)

Forward 0.15 – 0.39 mN•m

Back Tension CQ-102C 1.5 – 4 g•cm

(0.02 – 0.06 oz•inch)

2.46 – 5.39 mN•m

Reverse CQ-102RC 25 – 55 g•cm

(0.35 – 0.76 oz•inch)

Reverse 0.15 – 0.39 mN•m

Back Tension CQ-102RC 1.5 – 4 g•cm

(0.02 – 0.06 oz•inch)

4.91 – 14.70 mN•m

FF, REW CQ-201B 50 – 150 g•cm

(0.69 – 2.08 oz•inch)

•TapeTension Measurement

TEST MODE

This set have the test mode function. In the test mode, FM Auto

Seek/Stop Level adjustment and MW Auto Seek/Stop Level Check

can be performed easier than it in ordinary procedure.

1. Turn ON the regulated power supply. (All LEDs on the set

lights up, and the clock is displayed.)

Note: Press the [OFF] button, if the clock is not displayed.

2. Push the presett [4] button.

3. Push the preset [5] button.

4. Press the preset [1] button for more than two seconds.

5. Then the display indicates all lights, the test mode is set.

Push the [OFF] button.

See the adjustment location from on page 13 for the

adjustment.

TAPE DECK SECTION 0 dB= 0.775 V

1. The adjustments should be performed in the order given in

this service manual.

2. The adjustments should be performed for both L-CH and

R-CH.

TestTape

PB Head Azimuth Adjustment

Procedure:

1. Put the set into the FWD PB mode.

2. Turn the screw and check the output peak value. Adjust the

screw so that the peak value in channels L and R coincides

within 2 dB.

Type Signal Used for

P-4-A063 6.3 kHz, –10 dB head azimuth adjustment

WS-48A 3 kHz, 0 dB tape speed adjustment

screw

position

L-CH

peak

within

2 dB

output

level

L-CH

peak

R-CH

peak

within

2 dB

angl

R-CH

peak

level

meter

test tape

P-4-A063

(6.3 kHz, –10 dB)

set

AUDIO OUT jack (CN400

)

10 kΩ

–

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test tape

P-4-A063

(6.3 kHz, –10 dB)

L-CH

R-CH

AUDIO OUT jack (CN400)

oscilloscope

––

Screen pattern

in phase

good wrong

45 °90 °135 °180 °

10 kΩ

set

3. Check the phase in the FWD PB mode.

4. Repeat the above adjustment for the REV PB mode.

5. Check that output level difference between FWD PB mode

and REV PB mode is within 4 dB.

Adjustment Location: PB head

See the adjustment location from on page 13 for the

adjustment.

FWD

REV











adjustment

screws

Tape Speed Adjustment

Setting:

Procedure:

1. Put the set into the FWD PB mode.

2. Adjust adjustment resistor for inside capstan motor so that the

reading on the speed checker or frequency counter becomes in

specification.

Specification: Constant speed

Adjustment Location: See page 13.

Speed checker Frequency counter

–2 to +3% 2,940 to 3,090 Hz

+–

speed checker

frequency counter

test tape

WS-48A

(3 kHz, 0 dB)

AUDIO OUT

ack

(

CN400

)

set

10 kΩ

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MW Auto Seek/Stop Level Check

Make this check after “FM Auto Seek/Stop Level Adjustment”.

Setting:

[SOURCE] t[MODE] button : MW

Procedure:

1. Set to the test mode. (See page 10)

2. Push the [SOURCE] button and set to FM.

3. Push the [MODE] button and set to MW.

Display

4. Check that the “MW” indication turns to “MW0” indication

on the display window.

Display

Adjustment Location: See page 13.

AM RF signal

generator

Carrier frequency : 999 kHz

30% amplitude

modulation by

1 kHz signal

Output level : 30 dB

(

44.7

)

±9dB

(50 Ω)set

AM dummy antenna

30 Ω15 pF

65 pF

antenna jack (CN100)

SHUF

FM Stereo Level meter Level meter

signal generator connection reading (dB)

output channel

L-CH L-CH A

R-CH L-CH Adjust RV1 on TU100

for minimum reading.

R-CH R-CH C

L-CH R-CH Adjust RV1 on TU100

for minimum reading.

L-CH Stereo separation: A-B

R-CH Stereo separation: C-D

The separations of both channels should be equal.

Specification: Separation more than 26 dB

Adjustment Location: See page 13.

FM RF signal

generator

Carrier frequency : 98.0 MHz

Output level : 70 dB (3.2 mV)

Mode : stereo

Modulation : main: 1 kHz, 33.75 kHz deviation (45%)

sub: 1 kHz, 33.75 kHz deviation (45%)

:19 kHz pilot: 7.5 kHz deviation (10%)

0.01 µF

set

antenna jack (CN100)

–

AUDIO OUT jack (CN400)

level mete

10 kΩ

SHUF

TUNER SECTION 0 dB=1 µV

Note:

Adjust the tuner section in the sequence shown below.

1. FM Auto Seek/Stop Level Adjustment

2. FM Stereo Separation Adjustment

3. MW Auto Seek/Stop Level Check

FM Auto Seek/Stop Level Adjustment

Setting:

[SOURCE] button: FM

Procedure:

1. Set to the test mode. (See page 10)

2. Push the [SOURCE] button and set to FM.

Display

3. Adjust with the volume RV2 on TU100 so that the “FM” indi-

cation turns to “FM0” indication on the display window.

But, in case of already indicated “FM0”, turn the RV2 so that

put out light “0” indication and adjustment.

Display

Adjustment Location: See page 13.

FM Stereo Separation Adjustment

Setting:

[SOURCE] button: FM

FM RF signal

generator

Carrier frequency : 98.0 MHz

Output level : 22 dB (12.6 µV)

Mode : mono

Modulation : 1 kHz, 22.5 kHz deviation (30%)

0.01 µF

set

antenna jack (CN100)

SHUF

Cautions during repair

When the tuner unit is defective, replace it by a new one be-

cause its internal block is difficult to repair.

Procedure:

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Adjustment Location:

TU100

–TU100 (Component Side) –

RV2 FM Auto Seek/Stop Level Adjustment

RV1 FM Stereo Separation Adjustment

–SET UPPER VIEW –

Tape Speed Adjustment

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Note on PrintedWiring Board:

•X: parts extracted from the component side.

•Y: parts extracted from the conductor side.

•z:Through hole.

•f: internal component.

•b: Pattern from the side which enables seeing.

(The other layers' patterns are not indicated.)

SECTION 5

DIAGRAMS

5-1. NOTE FOR PRINTED WIRING BOARDS AND

SCHEMATIC DIAGRAMS

Note on Schematic Diagram:

• All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolytics

and tantalums.

• All resistors are in Ωand 1/4W or less unless otherwise

specified.

•f: internal component.

•C: panel designation.

•U: B+ Line.

• Powervoltageis dc14.4Vand fedwithregulateddcpower

supply from ACC and BATT cords.

• Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions.

no mark : FM

( ) : MW

[ ] : SW

〈〈 〉〉 :TAPE PLAY

∗: Impossible to measure

• Voltages aretakenwith aVOM(Input impedance10MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

• Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal produc-

tion tolerances.

• Circled numbers refer to waveforms.

• Signal path.

F: FM

f: MW

E:TAPE PLAY

L: BUS AUDIO IN

D804 E-3

IC1 I-7

IC2 I-9

IC3 K-13

IC130 F-12

IC300 I-3

IC400 F-10

IC500 B-8

IC800 F-3

Q1 K-9

Q3 I-5

Q100 E-12

Q101 I-12

Q102 H-11

Q103 I-13

Q104 H-12

Q105 I-12

Q106 H-12

Q107 D-13

Q108 D-13

Q109 D-14

Q400 C-11

Q401 D-12

Q402 D-11

Q403 D-12

Q600 E-8

Q601 F-8

Q604 G-2

Q605 G-4

Q700 F-7

Q701 F-5

Q702 G-5

Q703 I-5

Q704 F-4

Q705 F-5

Q706 G-4

Q707 J-4

Q708 K-6

Q709 K-12

Q710 K-11

Q711 I-5

Ref. No. LocationRef. No. Location

D1 K-8

D2 K-8

D100 D-12

D101 H-12

D102 I-12

D103 I-12

D300 G-5

D400 E-8

D500 D-8

D501 D-9

D502 C-9

D503 D-8

D504 D-8

D505 D-7

D506 C-7

D507 C-7

D600 E-7

D603 E-4

D605 G-3

D606 L-3

D607 K-3

D608 K-3

D609 K-3

D610 L-6

D611 L-6

D612 L-6

D613 L-3

D614 K-13

D615 E-4

D616 E-5

D617 F-7

D618 E-7

D700 D-4

D702 E-4

D703 F-5

D705 G-7

D706 J-4

D707 J-5

D708 E-4

D709 J-12

D800 D-3

D801 E-3

D802 E-3

• Semiconductor Location

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XR-C2604J

C802

C801

C406

C412

C410

C144

C724

C124

C600

C117

C151

R150

C146

C108

C109

C111

C145

C136

C137

C103

C123

C152

C131

C411

C413

C403

C135

C423 C421

C428

C429

C437

C422

C420

C404

C502

C603

R11

C701

C503

C303

C301

C800

R703

R411

R109

R130

R131

R132

R133

R401

C105

R106

R101

R719

RESET

R33

R104

R113

R111

R112

JC2

R140

C134

R139

R134

R504

C512

R413

R410

C436

R406

R408

R412

R502

R418

R419

R21

R709

R701

R20

R19

R27

R31

R10

R29

R715

C608

R49

R48

R45

R307

R301

R310

R605

R804

R803

C300

C602

C14

C16

C12

C116

C160

C161

R136

C102

C148

R135

C133

C405

C407

C513

C120

C118

C132

C130

C101

C115

R103

JC4

C434

C435

C402

C607

C10

C15

C13

C8 C7

C501

C719

C718

C606

C604

C306

C302

C308

C311

R41

R28

R32

R34

R116

R102

C162

R161

R160

R141

R409

R416

R417

R407

C511

R414

R404

R402

R415

R405

R403

R100 R142

R136 C140

C147

C114

R500

R400

R624 R625

R601

R39

R40

R621

R25

R38

R706 R720

R18

R24

R714

R613

R614

R620

R619

R618

R615

R616

R609

R610

R612

R611

R304

R306

C307

R305

R303

R302

R300

R311

R622

R606

R800

R802

Q708

BCE

Q402 Q403

Q401

Q100

Q108 Q107

Q400

Q103

Q106

Q105

Q101

Q102

IC3

Q710

BCE

Q601

GSD

Q711

Q703

Q709

Q707

BCE

Q705

BCE

Q604

BCE

Q109

BCE

Q706

Q605

BCE

Q702

BCE

Q701

BCE

Q600

IC800

IC400

IC1

IC130

IC300

R17

C609

D616

D618

D400

D100

D103

IC2

CN300

KEY BOARD

CN901

Q104

TU100

FM/MW/SW

TUNER UNIT

CN100

FM/MW/SW

ANTENNA

C803

(FRONT VIEW)

CN800

C700

D615

D702

D708

D300

D800

D802

D801

D804

D700

D507

D506

D505

D504

D503

D500

D501

D502

D703

D600

D706

D603

D712

D605

D609

D608

D607

D606

D613

R623

L700

R705

7R711

R713

R707

R710

R712

R708

R617

R15

R16

R14

R13

R12

R503

R162

R163

R152

R153

R22

R23

R717

R309

R308

R702

R420

R143

R107

R718

C714

C431

R700

Q700

R312

C309

C605

C716

C310

C305

C304

C712

C713

C709

R716

D611

D612

D610

D707

D617

D705

C509

C424

C426

C427 C425

C430

C414

C401

C164

C165

C143

C418

C419

C417

C142

C141

C416

C508

C510

C408

C702

C409

C121

C113

C110

C415

C400

C601

C710

+++

X100

D101

D102

D709

D614

L130

8321

654

IC500

24 2

TH800

F700

CN700

Q704

(CHASSIS) (CHASSIS)

CN600

100 1

CN350

L103

L100

CN700

CN400

BUS AUDIO IN

AUDIO OUT

(LINE OUT)

19 17

HP901

PLAYBACK

HEAD

DSP100

5 4

2 13

(FOR SONY BUS)

CN800

BUS CONTROL IN

MAIN BOARD

M901

(CAPSTAN/REEL)

RED

BLU

S901

(DIRECTION)

REV

FWD

BRN

ORG

S902

(FF/REW)

(OFF : PLAYBACK)

S903

(TAPE DETECT)

(ON : TAPE IN)

YEL

CN350

2 3 4 5 6 7 8 9 10 11 13 14 15 16

1 9 WHT/BLK

WHT

GRN/BLK

GRN

VIO/BLK

VIO

GRY/BLK

GRY

BLU/WHT

BLU

RED

YEL

BLK

FRONT LCH (–)

FRONT LCH (+)

REAR LCH (–)

REAR LCH (+)

REAR RCH (–)

REAR RCH (+)

FRONT RCH (–)

FRONT RCH (+)

AMP REM

ANT REM

ACC

BATT

GND

210

311

412

513

614

715

816

1-678-878-

R30

BCE

C139 +

L102

C138 +

5-2. PRINTED WIRING BOARD – MAIN Board –

(Page 18)

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XR-C2604J

5-3. SCHEMATIC DIAGRAM – MAIN Board (1/2) – • See page 20 for waveforms. • See page 20 for IC Block Diagrams.

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XR-C2604J

5-4. SCHEMATIC DIAGRAM – MAIN Board (2/2) – • See page 20 for IC Block Diagrams.

(Page 19)

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XR-C2604J

5-5. PRINTED WIRING BOARD – KEY Board –

• Semiconductor

Location

Ref. No. Location

D900 E-10

D901 E-10

D902 E-10

D903 C-2

D904 B-3

D905 B-3

D906 C-4

D907 A-4

D908 A-2

D910 E-3

IC900 E-7

D904 D905

D908

D903

D906

D907

LCD900

LIQUID CRYSTAL DISPLAY

KEY BOARD (COMPONENT SIDE)

1-676-261-

(11)

R912

R913

R914

R915

R938

R939

R911

R908

D900

D901

R916

D902

R906

R907

C901

C902

C903

C904

R909

R910

C900

D910

R933

R932

R935

R934

R904

R903

R937

R936

R928

R929

R927

R926

R924

R925

R919

R920

R921

R922

R923

IC900

CN901

MAIN BOARD

CN600

KEY BOARD (CONDUCTOR SIDE)

1-676-261-

(11)

1 2 3 4 5 6 7 8 9 10 11

S920

S919

SOUND

S918

–

S914

SEEK/AMS

S916

S918 S914

S913

DSPL

S912

MODE

S911

ENTER

S917

S915

S910

REP

PRST+

DISC+

PRST–

DISC–

S909

SHUF

S902

S903

S904

S905

S901

OFF

S906

D-BASS

PL901

(LCD BACK LIGHT)

PL900

(LCD BACK LIGHT)

S900

ROTARY ENCODER

VOLUME/BASS/TREBLE/

BALANCE/FADER CONTROL

D904, 905, S916

SOURCE

D903, 906-908

(ILLUMINATION)

32 33

(Page 15)

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

1919

XR-C2604J

5-6. SCHEMATIC DIAGRAM – KEY Board –

2.5 Vp-p

28 µs

• Waveform

1IC900 y; (OSC)

(Page 17)

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

2020

• Waveforms

– MAIN Board –

1IC1 qs (OSC2)

2IC1 qh (XO)

3IC130 1(X OUT) (FM/MW/SW Mode)

3.2 Vp-p

54.7 ns

5.4 Vp-p

30.6 µs

184 mVp-p

98 ns

• IC Block Diagrams

– MAIN Board –

IC130 TB2118F-EL-S

VDD

AMP

VDD2

12 3 45 6 7 8 9 10

24 23 22 21 20 19 18 17 16 15

11 12

14 13

OSC

DIN

DOUT

I/O-1

I/O-2

OUT-1

OUT-2

VDD2 IFC

VDD

FM IN

AM IN

D-GND

FM CP OUT

AM CP OUT

VCC

REG

A-GND

SERIAL

INTERFACE

I/O

PORT

OSCILLATOR

ON/OFF

BUFFER

REFERENCE

DIVIDER

PHASE

COMPARATOR

20BIT

IF COUNTER

PRESCALLER

12BIT

PROGRAMMABLE

COUNTER

–

REGULATOR

18BIT

18BIT 22BIT

40BIT SHIFT

REF

VCC

SEEK/RECP SEEK/RECP

–

SIG

4BIT SWALLOW

COUNTER

OUTPUT

PORT

IC800 MM1175XFF

RESET

SWITCH

BATT

SWITCH

7 8

BUS ON

OUT

RESET

OUT

BATT

CLK

OUT

VREF

DATA

IN/OUT

GND

BATT

CHECK

CLK

BUS ON

RESET

VCC

DATA IN

DATA OUT

IC400 LC75374E

–

DECODER LATCH SHIFT

CONTROL

–

12 3 45 6 7 8 9 10

2324

2627282930313233

LSELO

VDD

RSELO

RVRIN

RCOM

RT1

RT2

RT3

RTOUT

RSIN

RSB1

RSB2

RFIN

RFOUT

RROUT

VSS

VREF

LROUT

LFOUT

LFIN

LSB2

LSB1

LSIN

LTOUT

LT3

LT2

LT1

LCOM

LVRIN

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

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