Alpine CDM-9825-RB Service manual

CDM-9825RB

SERVICE MANUAL

FM/MW/LW/RDS CD Receiver

11 / 03-A 68E36125S01

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The following cautions will prevent accidents in the workplace and will ensure safe products. *The symbols indicate caution is needed to prevent injuries and damage to property. The symbols and their meanings follow.

Warning

Caution

*The following symbols indicate two levels of cautions.

When you see this symbol, you have to be very careful.

When you see this symbol, you have to follow the instructions there.

If you ignore this symbol and handle the product incorrectly or unsafely, serious injury or death may result.

If you ignore this symbol and handle the product incorrectly or unsafely, injury or only material damage may result.

Warning

Do not look squarely into the laser light coming from the pickup.

You may loose you sight. Use of an incorrect fuse may result in a fire.

Caution

Do not allow wiring to be caught in the Battery Caution screw/chassis. Use the designated battery.

If wiring is caught in the screw/chassis, it may Confirm the correct polarity and seat of the cause a short circuit, resulting in a fire. battery.

Fuse Caution

Always use a designated fuse.

An incorrect battery or an improperly connected or seated battery may result in a fire.

High Temperature Caution Designated Parts Caution

Touching the heat sink may cause severe burns. Look up the part list and ensure that only

designated parts are used to prevent problems or accidents.

Reverse Power Supply Connections o Misconnections Caution Ensure that the wiring is correct when rewiring to

Reverse power supply connections or prevent problems with ignition/breakdown. misconnections may cause ignition problems and smoke may result.

Soldering Caution Wear Glove

Hot solder from solder splash may cause severe Wear gloves to prevent electrical shocks or injury burns. from the end face of the metal.

Wiring Caution

Contents

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CDM-9825RB

Packing Assembly Parts List Packing Method View Specifications Adjustment Procedures

5 , 6

7 to 9

Extension Cable Block Diagram Parts Layout on P.W.Boards and Wiring Diagram Schematic Diagram Terminal Voltage of IC/ TR Description of IC Terminal

12 to 15 16 to 22 23 to 28 29 to 31

Exploded View (Cabinet)

4 4

10 11

Exploded View (CD Deck Mechanism) (DP23S2AO)

NOTE : Due to continuing product improvement, specifications and designs are subject to change without notice.

Packi ng Assembly Parts List

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CDM-9825RB

Symbol SymbolDescription

Part No. Part No.

No. No.

101-1 03S60820Y16 S CR,MCH 5X8 ZN A 102 15D00529K02 CASE,I NNER 101-2 36A02449K01 CAP,RUB BE R(A) 103 15D01798K03 CARRYING,CASE 101-3 01T04296K01 ISO/JASO ANT ADAPTER 104 01T75373Y02 ASSY,ISO CONN 9825R 101-4 03A60836Y01 SCR,CUS 5X7 ZN A 105 68P02294K90 O/M AOEU AODN

Packi ng Met hod Vi ew

101 -2

103

105

101

-1

104

101

101 -3

Description

101 -4

102

103

104

CDM-9825RB

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Specifications

Intermediate Frequency ................................................................................................................................ 10.7MHz

Frequency Range ............................................................................................................................ 87.5 to 108.0MHz

Usable Sensitivity (30 S/N, Mono, at 98.1MHz) .............................................................................................. 20.2dBf

-3dB Limiting Sensitivity (at 98.1MHz) ............................................................................................................ 20.2dBf

Residual Noise (Ref. 400Hz(WID), at 98.1MHz) ............................................................................................ 25±10dB

S/N Ratio (at 98.1MHz) ......................................................................................................................... Stereo : 50dB

Mono : 55dB

Image Rejection (at 106.1MHz) .......................................................................................................................... 40dB

IF Rejection (at 90.1MHz) ................................................................................................................................... 60dB

Distortion (Input 60dBu, at 98.1MHz) .................................................................................................................. 1.0%

Frequency Response (Ref. 400Hz, at 98.1MHz) ................................................................................. 100Hz : 0±3dB

10kHz : -12±3dB

Stereo Separation (1kHz, at 98.1MHz) ............................................................................................................... 20dB

PS Sensitivity (at 98.1MHz) ............................................................................................................................ 36.2dBf

Intermediate Frequency ........................................................................................................................ 1st : 10.7MHz

2nd : 450kHz

Frequency Range .............................................................................................................................. 531 to 1,602kHz

Usable Sensitivity (20dB S/N, at 999kHz) ........................................................................................................... 34dB

S/N Ratio (at 999kHz) ......................................................................................................................................... 44dB

Image Rejection (at 603kHz) ............................................................................................................................... 40dB

IF Rejection (at 603kHz) ..................................................................................................................................... 50dB

Distortion (at 999kHz) .......................................................................................................................................... 1.5%

Frequency Response (Ref. 400Hz, at 999kHz) .................................................................................. 100Hz : -3±4dB

4kHz : -12+4, -8dB

Intermediate Frequency ........................................................................................................................ 1st : 10.7MHz

2nd : 450kHz

Frequency Range .................................................................................................................................. 153 to 281kHz

Usable Sensitivity (20dB S/N, at 216kHz) ........................................................................................................... 38dB

S/N Ratio (at 216kHz) ......................................................................................................................................... 45dB

Image Rejection (at 270kHz) ............................................................................................................................... 40dB

IF Rejection (at 162kHz) ..................................................................................................................................... 50dB

Distortion (at 216kHz) .......................................................................................................................................... 1.5%

Frequency Response (Ref. 400Hz, at 216kHz) .................................................................................. 100Hz : -3±4dB

4kHz : -12+4, -8dB

Wave Length .................................................................................................................................................... 795nm

Laser Power ................................................................................................................................................... CLASS I

CDM-9825RB

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System ....................................................................................................................... Optical (Compact Disc System)

Channel Balance (1kHz, TCD-782) ................................................................................................................... 0±3dB

Distortion (1kHz, TCD-782) ................................................................................................................................. 0.1%

Frequency Response (Ref. 1kHz, TCD-782) ......................................................................................... 17Hz : 0±3dB

127Hz : 0±2dB

10.007kHz : 0±2dB

19.997kHz : 0±4dB

S/N Ratio (TCD-782) ........................................................................................................................................... 95dB

Separation (1kHz, TCD-782) ............................................................................................................................... 55dB

De-Emphasis (Ref. 1kHz, TCD-782) .................................................................................................. 4kHz : -20±3dB

16kHz : -20±3dB

Power Supply ................................................................................................................................................ DC14.4V

Power Output (Ref. FM Mode, SP-OUT, T.H.D. 10%) /Impedance ...................................................... 16W/ch/4ohm

Pre Output (Ref. TCD-782(1KHz, 0dB), T.H.D. 1%) /Impedance ................ FRONT/REAR : 2V±2.5dBV/ch/10kohm

SUB-W(STEP+15) : 2V±2.5dBV/ch/10kohm

Dimensions (W x H x D) ................................................................................................ Chassis : 178 x 50 x 160mm

Nose : 188 x 58 x 27mm

Weight ................................................................................................................................................................. 1.5kg

NOTE : Due to Continuing product improvement, specifications and designs are subject to change without notice.

Adjustment Procedures

(2) Connections

(3) Control Settings

Power Switch .............................................. ON Band Switch .............................. FM/MW/LW

Fader Control ........................... Center Position LOUD .................................................... OFF

Balance Control ....................... Center Position SUB-W .................................................. OFF

Treble Control .......................... Center Position Others ................................................... OFF

Bass Contro ............................. Center Position

1. FM/MW/LW SECTION

(1) Dummy Antenna Circuit

CDM-9825RB

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(4) Adjustment Procedures

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Step Description Connection SignalGenerator Dial Control

87.5MHz,

SignalMeter Auto Adjustment (FM)

SignalMeter Auto Adjustment (MW)

(1)

(2)

Figure3

(3)

(4)

(1)

(2)

Figure4

(3)

(4)

26dBµ

(Mod.OFF)

87.5MHz, 26dBµ

(Mod.OFF)

87.5MHz,

21~23dBµ

(Mod.OFF)

87.5MHz, 26dBµ

(Mod.OFF)

999kHz,

34dBµ

(Mod.OFF)

999kHz,

34dBµ

(Mod.OFF)

999kHz,

29~31dBµ

(Mod.OFF)

999kHz,

34dBµ

(Mod.OFF)

87.5MHz

999kHz

TestPoint/

P.W.Board

Coordinates

TP002

(3-F)

TP608

(5-D)

TP002

(3-F)

TP608

(5-D)

TP002

(3-F)

TP608

(5-D)

TP002

(3-F)

TP608

(5-D)

TP002

(3-F)

TP608

(5-D)

TP002

(3-F)

TP608

(5-D)

TP002

(3-F)

TP608

(5-D)

TP002

(3-F)

TP608

(5-D)

CDM-9825RB

Adjustment

AutoAdjustment: Aftersettingup ofSignalGenarator, shortGND andTP608(Pull-Down) for2~3seconds.

ProceedsameAutoAdjustmentofstep (1) understep(2). (SPEC) TP002: 1.5±0.1V: OK (SPEC) TP002: others1.5±0.1V: NG

NOTE :NG : ProceedsameAuto

Adjustmentofstep(1) understep(3).

ProceedsameAutoAdjustmentofstep (1) understep(3).

ProceedsameAutoAdjustmentofstep (1) understep(4).

AutoAdjustment: Aftersettingup ofSignalGenarator, shortGND andTP608(Pull-Down) for2~3seconds.

ProceedsameAutoAdjustmentofstep (1) understep(2). (SPEC) TP002: 1.0±0.1V: OK (SPEC) TP002: others1.0±0.1V: NG

NOTE :NG : ProceedsameAuto

Adjustmentofstep(1) understep(3).

ProceedsameAutoAdjustmentofstep (1) understep(3).

ProceedsameAutoAdjustmentofstep (1) understep(4).

Step Description Connection SignalGenerator Dial

Control

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216kHz,

SignalMeter Auto Adjustment (LW)

(1)

(2)

Figure4

(3)

(4)

34dBµ

(Mod.OFF)

216kHz,

34dBµ

(Mod.OFF)

216kHz,

29~31dBµ

(Mod.OFF)

216kHz,

34dBµ

(Mod.OFF)

216kHz

TestPoint/ P.W.Board

Coordinates

TP002

(3-F)

TP608

(5-D)

TP002

(3-F)

TP608

(5-D)

TP002

(3-F)

TP608

(5-D)

TP002

(3-F)

TP608

(5-D)

CDM-9825RB

Adjustment

AutoAdjustment: Aftersettingup ofSignalGenarator, shortGND andTP608(Pull-Down) for2~3seconds.

ProceedsameAutoAdjustmentofstep (1) understep(2). (SPEC) TP002: 1.0±0.1V: OK (SPEC) TP002: others1.0±0.1V: NG

NOTE :NG : ProceedsameAuto

Adjustmentofstep(1) understep(3).

ProceedsameAutoAdjustmentofstep (1) understep(3).

ProceedsameAutoAdjustmentofstep (1) understep(4).

Extension Cable

* When repairing or measuring the voltage of this unit, connect with the Extension Cable as shown in below.

CDM-9825RB

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Block Diagram

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ANT001

MB4R002Z

FM AM

MINI BUS IN

EL VOL (TDA7412)

Selector Vol. 1 Tre/Bass Vol. 2

MUTE

CDM-9825RB

DIN001

RCA201

SUB-W

DP23S2AO

Tuner unit

SERVO

LPF

RDS

DECODER

TUNER+B

ST-REMO

I²C

Main u-COM

MINI

BUS I/F

System

Reset

BATT

Det

ACC

Det

POWER

ON+B

Mute

Driver

BUFFER

MUTE

POWER

P.ANT/ O.REM

JK201

CB801

FRONT

REAR

BATT

ACC

P-ANT

O-REM

LCD401

LCD

Driver

Key

Matrix

Rotary

Encoder

M802

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TO PARTS LIST

TO P. W. BOARD

- 16 -

MOTOR, F2510CT-12UCV

CB802

53253-0210

C806

100k

N.U.

47k

R610

R658

R635

TP606

R648

R627

R606

R601

R602

N.U.

C601

N.U.

0.1

C628 R638

12k

R637

N.U.

TP601 TP602

TP603

N.U.

R822

Q867

2SD1994A

0.1

C805

R882

470-1/4

Q866

FMC2

TP605

R883

N.U.

R685

N.U.

N.U.N.U.

TH602

R630

R878 R877

N.U.

10k

N.U.

R607

TH601

100k

R686

2.2k

10k

R604

22k

R642

R641

22k-1/4

C662

1000p

DTC124EKA

Q664

DTA143EKA

R664

22k

Q612

47k-1/4

Q601

DTA124EKA

Q610

DTC124EKA

D662

DAN202k

D601

1SS133

C610

R631

22k-1/4

R632

220-1/4

330p

JK601

JAC, CK-3 5-14

C603

R670

22k

2200p

D602

DAN202K

Q605

DTC114EKA

R612

100-1/4

0.1

C606

R671

R879

N.U.

R680

R663

N.U.

TP604

XL601

12.288MHz

22k

R662

12k

C602

0.022

C609

C608

18p

R880

12k

Q603

UN2212

L602

R660

10k-1/4

4.7uH

R600

SW601

IC651

TDA3606AT

N.U.

L600

4.7uH

C651

47k

SKHHLW

R676

R674

3.9k-F

R659

2.7k-1/4

10k-1/4

E604

10/16

C604

Q651

IC652

S-80930CNMC

0.1-B

C605

FMC2

R675

10k-F

0.047-B

C618

0.47-B

R629 47k

Q652

R803

FMC2

100k

Q807

E805

D653

ZD652

HZS7B2L

C653

1SS133

2SD1994A

820-1/4

1/50

ZD803

HZS9C2L

R808

0.1

R881

J-1/4

R654

4.7k-1/4

56k

R651

R655

4.7k-1/4

R656

0.022-B

C652

330k

120kF

R657

Q865

33/16

E651

N.U.

10/16

E812

ZD804

HZS9C2L

01k1k

TP610

TP609

TP650

R672

22k

Q606

R673

10k

0.01

R633

Q611

DTC114EKA

100p

2.2k

C612

Q607 N.U.

R628

2SA1037AK

C607

3.3k

TP651

TP652

TP653

Q604

FMC3

R640

470k

C501

1000p

R605

E602

220/10

0.022

C611

22/16

E601

47k

22k

R649

22k

R650

R683

R684

R617

R647

R613

R667

R666

R668

R639

4.7k

R646

IC601

D784216AGF

270

N.U.

R691

TP600

47k-1/4

R681

R682

10k

R608

270

R618

R623

R624

R634

R645

R636

R615

R616

1k1k1k

R614

R619

R620

R621

R611

R625

R626

CB601

4.7k-1/4

10k 10k

TP608

R644

R609

12-2W

BTB, TMD-V15X-A1

47k

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