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Alpine CDM-9825RB Service Manual
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Alpine CDM-9825RB Service Manual

Alpine CDM-9825RB Service Manual

Fm/mw/lw/rds cd receiver
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See also: Owner's Manual
SERVICE MANUAL
FM/MW/LW/RDS CD Receiver
TO ALPINE Home Page
11 / 03-A
68E36125S01
CDM-9825RB

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Summary of Contents for Alpine CDM-9825RB

  • Page 1 SERVICE MANUAL FM/MW/LW/RDS CD Receiver TO ALPINE Home Page 11 / 03-A 68E36125S01 CDM-9825RB...
  • Page 2 <Cautions for Safe Repair Work> 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. If you ignore this symbol and handle the product incorrectly or unsafely, Warning serious injury or death may result.

  • Page 3: Table Of Contents

    CDM-9825RB Contents Packing Assembly Parts List Packing Method View Specifications 5 , 6 Adjustment Procedures 7 to 9 Extension Cable Block Diagram Parts Layout on P.W.Boards and Wiring Diagram 12 to 15 Schematic Diagram 16 to 22 Terminal Voltage of IC/ TR...

  • Page 4: Packing Assembly Parts List

    CDM-9825RB Packing Assembly Parts List Symbol Description Symbol Description Part No. Part No. 101-1 03S60820Y16 SCR,MCH 5X8 ZN A 15D00529K02 CASE,INNER 101-2 36A02449K01 CAP,RUBBER(A) 15D01798K03 CARRYING,CASE 101-3 01T04296K01 ISO/JASO ANT ADAPTER 01T75373Y02 ASSY,ISO CONN 9825R 101-4 03A60836Y01 SCR,CUS 5X7 ZN A...

  • Page 5: Specifications

    CDM-9825RB Specifications <FM RADIO> 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) .........................

  • Page 6: Specifications

    CDM-9825RB <CD SECTION> 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) ..........................
  • Page 7 CDM-9825RB Adjustment Procedures 1. FM/MW/LW SECTION (1) Dummy Antenna Circuit (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 ......
  • Page 8 CDM-9825RB (4) Adjustment Procedures Test Point/ Step Description Connection SignalGenerator Dial Control P.W.Board Adjustment Coordinates TP002 AutoAdjustment: 87.5MHz , (3-F) After settingup of SignalGenarator, 26dBµ 87.5MHz TP608 short GND andTP608(Pull-Down) (Mod. OFF) (5-D) for 2~3 seconds. Proceedsame AutoAdjustmentof step (1) understep (2).
  • Page 9 CDM-9825RB Test Point/ Step Description Connection SignalGenerator Dial Control P.W.Board Adjustment Coordinates TP002 AutoAdjustment: 216kHz , (3-F) After settingup of SignalGenarator, 34dBµ 216kHz TP608 short GND andTP608(Pull-Down) (Mod. OFF) (5-D) for 2~3 seconds. Proceedsame AutoAdjustmentof step (1) understep (2). TP002 (SPEC) TP002: 1.0±0.1V: OK...

  • Page 10: Extension Cable

    CDM-9825RB Extension Cable * When repairing or measuring the voltage of this unit, connect with the Extension Cable as shown in below. TO CONTENTS - 10 -...

  • Page 11: Block Diagram

    Block Diagram CDM-9825RB ANT001 MINI BUS IN DIN001 EL VOL (TDA7412) RCA201 MUTE SUB-W Selector Vol. 1 Tre/Bass Vol. 2 MUTE JK201 Tuner unit MUTE DECODER TUNER+B Mute CB801 Driver MINI BUS I/F FRONT DP23S2AO POWER BUFFER System REAR Main u-COM...
  • Page 12 Q601 DTA124EKA D601 R631 C628 R638 1SS133 22k-1/4 Q612 DTC124EKA R632 220-1/4 Q610 R637 R601 N.U. DTC124EKA N.U. R602 N.U. C601 R686 2.2k N.U. TP601 TP602 R607 TP603 R604 Q664 CB802 Q867 DTA143EKA 53253-0210 2SD1994A D662 DAN202k M802 Q866 MOTOR, F2510CT-12UCV R882 FMC2 R642...
  • Page 13 L200 N.U. SD201 L201 N.U. N.U. IC200 N.U. L202 N.U. IC301 N.U. ZD304 N.U. E301 N.U. IC201 BA4560F C306 N.U. 1.1k R201 R200 C200 R261 N.U. E207 R262 N.U. 10/16 R202 1.1k IC201 BA4560F 10/16 E305 C307 0.22-TF 10/16 E306 C308 0.22-TF E208...
  • Page 14 JK201 ASSY, CONN NLT1661 TP201 TP203 TP204 TP205 R218 C208 N.U. Z302 R230 N.U. BL02RN1R2P1A RCA201 CB201 R224 TP202 53253-0310 ASSY, WIRE RCA 9805R E226 R236 E232 N.U. R250 N.U. TP206 TP207 2.2/50 IC204 N.U. Q202 DTC343TK E227 Q203 N.U. IC204 DTC343TK N.U.
  • Page 15 C071 C072 560p R005 ANT001 ASSY, ANT CABLE ISO TP001 R006 IC010 TP003 SAA6588T SA002 DSP-201M R050 R045 N.U. R015 L004 52mH R003 R004 CF002 LPF11830KH Q074 2SA1037AK FMC3 Q075 R019 TV002 N.U. MB4R002Z FM/AM UNIT XL002 C082 D002 4.332MHz 1PS226 IC013 0.022...
  • Page 16 CH101 3300p C101 R103 SLW22R-1C7 750-1/4 R104 750-1/4 C115 3300p Q111 2SB1261 L101 220uH Q112 FMC2 IC101 MC34063AML TO P. W. BOARD TO PARTS LIST TO CONTENTS - 20 -...
  • Page 17 CH401 BTB, TMD-V15P-A1 R401 C410 0.022 R408 N.U. R409 R410 R411 R412 R413 R414 LCD401 LCD, WTD-21544AEHU Q451 2SD1328 C404 820p R407 C406 0.047-B C405 IC401 0.047-B 0.047-B C407 PT6583LQ ZD401 R423 RD6.2MB3 R424 R425 R426 R427 R428 R429 R430 R421 R422 SW408...
  • Page 18 R436 R434 R437 R435 C320 R345 C322 0.033 R323 R344 R324 C323 R343 C324 R406 TP323 C325 3900p CB103 R407 R404 52207-0790 R405 15 k 39 k C448 C447 N.U. N.U. TP331 C326 0.22 TP325 TP316 C327 R325 7.5k TP315 22p-CH TP417 IC401...
  • Page 19 CDM-9825RB Terminal Voltage of IC/TR IC010 IC011 IC012 4.84 4.83 0.48 14.21 0.48 2.39 0.48 2.44 4.76 8.44 2.05 1.22 0.48 2.38 0.48 4.84 2.38 0.48 4.84 2.38 4.84 2.38 4.31 2.38 IC013 IC101 IC201 3.04 4.37 3.04 4.37 4.37 4.92...
  • Page 20 CDM-9825RB IC302 13.7 13.8 IC401 IC601-1 4.86 4.86 1.93 4.92 4.91 1.31 4.92 4.94 4.33 4.93 0.27 4.82 4.88 4.94 4.93 4.92 4.94 4.93 4.94 4.89 4.93 4.93 4.92 4.93 4.83 4.79 Dimmer ON/OFF 0/4.92 4.93 2.41 4.91 4.37 4.92 4.93...
  • Page 21 CDM-9825RB IC601-2 4.57 4.93 3.81 4.92 4.88 4.84 0/4.9 OFF/ON 4.92 3.23 4.91 4.78 4.92 IC651 IC652 4.91 4.92 4.86 4.95 14.35 NOTE Pin No. 8.41 8.43 4.88 Q075 1.74 8.44 Q077 4.84 4.95 8.41 Q112 14.22 14.24 4.91 Q604 4.87...
  • Page 22 CDM-9825RB NOTE Pin No. 8.41 8.29 0.31 Q074 8.41 7.67 8.35 Q111 14.32 13.92 7.54 Q201 3.64 Q202 Q203 Q204 Q205 Q206 Q207 Q300 3.98 Dimmer ON Q451 Q601 4.95 4.93 Q603 Dimmer ON Q605 4.64 Q606 4.87 4.86 Q610...
  • Page 23 CDM-9825RB (CD Deck Mechanism) IC201 0 or 5 repeat of H to L repeat of H to L repeat of H to L repeat of H to L repeat of H to L repeat of H to L repeat of H to L...
  • Page 24 CDM-9825RB IC301-2 about 2.5 about 2.8 about 2.5 about 2.5 0.17 about 2.9 about 2.5 about 2.9 about 2.5 about 2.5 IC302 7 or 5 IC401 about 2.5 about 2.5 about 2.5 about 2.5 about 2.5 about 2.5 about 2.5 about 2.5...
  • Page 25 CDM-9825RB Description of IC Terminal D784216AGF : IC601 Symbol Terminal Description ENCODER1 Encoder Data input terminal. ENCODER2 LCD RST RESET signal output terminal to LCD Driver (PT6583LQ). LCD DI Serial Data signal output terminal to LCD Driver (PT6583LQ). LCD CE Chip Enable signal output terminal to LCD Driver (PT6583LQ).
  • Page 26 CDM-9825RB Symbol Terminal Description CHG BUS IN Signal input terminal from CD CHANGER BUS I/F. CHG BUS OUT Signal output terminal to CD CHANGER BUS I/F. DISC IN SW DISC insert detect SW input terminal. CD SRQ Communication request signal input terminal from Mechanism u-COM.
  • Page 27 CDM-9825RB D789026GB : IC201 (DP23S2A0) Symbol Terminal Description SW-D SW-D input terminal for mechanism control. SW-C SW-C input terminal for mechanism control. SW-B SW-B input terminal for mechanism control. LODM- Loading Motor control output terminal. LODM+ DR MUTE Driver IC Mute control output terminal.

  • Page 28: Exploded View (Cabinet)

    Exploded View (Cabinet) CDM-9825RB RCA201 ANT001 SW421 CH401 JK201 CB801 DIN001 M802 LCD401 CB601 JK601 TO PARTS LIST TO CONTENTS - 32 -...

  • Page 29: Exploded View (Cd Deck Mechanism) (Dp23S2Ao)

    CDM-9825RB Exploded View (CD Deck Mechanism) (DP23S2AO) TO PARTS LIST TO CONTENTS - 33 -...
  • Page 30 CDM-9825RB Cabinet Assembly Parts List Note : The part that has not PART NUMBER will not be supplied. 01V74500Y96 ASSY,NOSE UNIT 25RN - - - - - - - - - - - COVER,TOP - - - - - - - - - - -...
  • Page 31 CDM-9825RB CD Deck Mechanism Assembly Parts List Note : The part that has not PART NUMBER will not be supplied. 01V43800Y84 ASSY,ARM GUIDE 280 - - - - - - - - - - - CHASSIS,TOP 45B11564Y02 LEVER,LINK-TOP 45B11595Y02 LEVER DISC(R)
  • Page 32 CDM-9825RB 45A11601Y02 LEVER,TRIGER 44B11581Y02 GEAR,(D) 45B11594Y02 SLIDER,LOCK(L) 45A11592Y02 ARM,LOCK(L2) 03A11574Y01 SCREW,LOCK 45B11591Y02 ARM,LOCK(L1) 07A50606Y01 BKT,MOTOR WIRE-P 45B11593Y02 SLIDER,LOCK(R) 45B11607Y02 ARM,LOCK(R) 45A11597Y02 LEVER,SW 41B11613Y04 SPRING,TRIGER 75C30466Y14 DAMPER,DPS2 41B11613Y06 SPRING,PULL 41B11613Y07 SPRING,PULL 41B11613Y08 SPRING,PULL 41A40518Y01 SPRING,ROL 41A31894Y02 SPRING,SLIDER - - - - - - - - - - -...

  • Page 33: Electrical Parts List

    CDM-9825RB C311 08S45676W93 CAP,CER 224K-B1A -CP Electrical Parts List C312 08S45676W89 CAP,CER 473K-B1E -CP C313 08S45677W60 CAP,CER 102J-CH1H-CP * Each parts on P.W.Board are described in order of the reference number. C501 08S45677W60 CAP,CER 102J-CH1H-CP C602 08S65128F78 CAP,CER.223K-B1H -CP =======MAIN P.W.Board...
  • Page 34 CDM-9825RB E016 23S75373W03 CAP,ELY 22R-1C -R2 IC202 51T65381Y01 TDA7412 E017 23S75373W03 CAP,ELY 22R-1C -R2 IC203 51T15420Y01 BA4560F-E2 -SE2 E018 08T65231Y03 CAP,CER 106K-BJ1E-CP IC302 51T55148Y01 TA8273H E019 23S95415W07 CAP,ELY 221-1C -R2 IC601 51T65272Y01 IC,D784216AGF-532-QT E100 23T55378W03 CAP,KMG 471-1A -R2 IC651 51T95193W01...
  • Page 35 CDM-9825RB R004 06S45675W43 RES,RK JUMPER1/10-CP R208 06S45675W22 RES,RK 474J 1/10 -CP R005 06S45675W43 RES,RK JUMPER1/10-CP R209 06S45674W57 RES,RK 102J 1/10 -CP R006 06S45675W43 RES,RK JUMPER1/10-CP R210 06S45674W57 RES,RK 102J 1/10 -CP R013 06S45674W75 RES,RK 562J 1/10 -CP R218 06S64996F39 RES,RK JUMPER 1/8-CP...
  • Page 36 CDM-9825RB R625 06S45674W81 RES,RK 103J 1/10 -CP R803 06S45675W06 RES,RK 104J 1/10 -CP R626 06S45674W81 RES,RK 103J 1/10 -CP R808 06S70072F51 RES,CP .821-J-1/4-CP R628 06S45674W69 RES,RK 332J 1/10 -CP R820 06S70072F77 RES,CP .103-J-1/4-CP R629 06S45674W97 RES,RK 473J 1/10 -CP R821...
  • Page 37 CDM-9825RB IC401 51T02347K01 PT6583LQ R429 06S45674W57 RES,RK 102J 1/10 -CP LD451 48T65176Y02 LED,BLU DB1111C -CP R430 06S45674W57 RES,RK 102J 1/10 -CP LD452 48T25534Y01 LED,GRN BG1111C -CP R451 06S70072F49 RES,CP .681-J-1/4-CP LD453 48T25534Y01 LED,GRN BG1111C -CP R452 06S70072F49 RES,CP .681-J-1/4-CP LD455...
  • Page 38 CDM-9825RB SW416 40T65353Y01 SW,TACT SKRPACE010E2 CB103 09T45435W07 FFC,52207-0790 -E9 (BAND) CL201 91T45281Y03 OSC,CER CSTCR4M19-E1 SW418 40T65353Y01 SW,TACT SKRPACE010E2 CL301 91T55147Y01 OSC,CER CSACV16M9-E1 (4/REPEAT) D401 48T81063F01 DIO,CP.MA159 / TX-CP SW419 40T65353Y01 SW,TACT SKRPACE010E2 E239 23T45152Y02 CAP,RA 47R-05 -E5 (EJECT) E301 23T45152Y02...
  • Page 39 CDM-9825RB R302 06S70072F05 RES,CP .10R-J-1/4-CP =======DP23S2AO R311 06S45675W43 RES,RK JUMPER1/10-CP HD101 81B50360Y01 PICKUP,EP21A67L R316 06S45674W41 RES,RK 221J 1/10 -CP M101 01V56100Y14 ASSY,MOTOR WORM 2BO (3.5V-80mA) R317 06S45674W41 RES,RK 221J 1/10 -CP M102 01V56100Y12 ASSY,MOTOR SLED 2BO R323 06S45674W81 RES,RK 103J 1/10 -CP (3.5V-80mA)