Kenwood KAC-PS4D/X4R Service Manual
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Kenwood KAC-PS4D/X4R Service Manual

Kenwood KAC-PS4D/X4R Service Manual

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POWER AMPLIFIER
KAC-PS4D/X4R

SERVICE MANUAL

KAC-PS4D
KAC-X4R
Fuse (25A)
(F52-0014-05)
Dressing Panel
(A21-6578-01) : KAC-X4R
(A21-6579-01) : KAC-PS4D
Screw & Wrench Key set
(N99-1795-05)
© 2007-4 PRINTED IN JA PAN
B53-0520-00 ( N ) 426
Compact disc
(W01-1701-05)
This product uses Lead Free solder.
RoHS
This product complies with the
KAC-PS4D
KAC-X4R
directive for the European market.

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Summary of Contents for Kenwood KAC-PS4D/X4R

  • Page 1: Service Manual

    POWER AMPLIFIER KAC-PS4D/X4R SERVICE MANUAL © 2007-4 PRINTED IN JA PAN B53-0520-00 ( N ) 426 KAC-PS4D KAC-PS4D KAC-X4R Dressing Panel KAC-X4R (A21-6578-01) : KAC-X4R (A21-6579-01) : KAC-PS4D Fuse (25A) (F52-0014-05) Screw & Wrench Key set Compact disc (N99-1795-05) (W01-1701-05) This product uses Lead Free solder.

  • Page 2: Block Diagram

    KAC-PS4D/X4R BLOCK DIAGRAM 5V,3.3V 12V,5V,3.3V,1.8V IC307 DRIVER FILTER SP OUT AL PWR FET RCA IN AL ISO A SE to DIF ADC Ach DRIVER PWR FET FILTER SP OUT AR RCA IN AR ISO A SE to DIF DRIVER PWR FET...

  • Page 3: Components Description

    KAC-PS4D/X4R COMPONENTS DESCRIPTION ● PREAMPLIFIER UNIT (X08-4350-10) Ref. No. Application / Function Operation / Condition / Compatibility AR/BRch 8dB buffer-amp AL/BLch 8dB buffer-amp IC100 FL driver and Key Matrix Communicate with microcomputer (on X09 unit). ● AUDIO UNIT (X09-8620-10) Ref. No.
  • Page 4 KAC-PS4D/X4R COMPONENTS DESCRIPTION Pin No. Application / Function Operation / Condition / Compatibility Q113,116,213,216 SP Mute driver Q301,401 Mute circuit of Line out Q302 Mete driver of Line out Q303 AND circuit of SW5V & Preout Mute Q503~508 Driver of SW power supply...

  • Page 5: Microcomputer's Terminal Description

    KAC-PS4D/X4R MICROCOMPUTER’S TERMINAL DESCRIPTION ● SYSTEM µ-COM 78F0536GK011A (X09-862 : IC900) Pin No. Pin Name Application Processing / Operation / Description L: Clear the stop mode (INTP0) /P_CON Clear the stop mode by P-CON ON H: (P120) O Not used Output L fi...
  • Page 6 KAC-PS4D/X4R MICROCOMPUTER’S TERMINAL DESCRIPTION Pin No. Pin Name Application Processing / Operation / Description SW5V ON/OFF 5V_SW O SW5V ON/OFF Power supply ON: H, Initial condition L Detection of voltage at momentar y H: Processing to detect voltage at momentary power down...

  • Page 7: Test Mode

    KAC-PS4D/X4R TEST MODE ● How to enter the test mode and how to clear the test mode ● Items in the test mode and test operations • How to enter • INFORMATION display (Display of conditions) In the backup connection condition (when the battery is...

  • Page 8: Circuit Description

    KAC-PS4D/X4R CIRCUIT DESCRIPTION ● Flow of PS4D/X4R signal line and power supply The signal right after this step is converted into the digital signal in the AD converter and is feed-backed to the DSP. controls The main signal is output from SP via the low pass filter.

  • Page 9: Pc Board (Foil Side View)

    KAC-PS4D/X4R PC BOARD (FOIL SIDE VIEW) PREAMPLIFIER UNIT X08-4350-10 A/2 (J76-0378-12) C118 B-ch S105 (B:ST/MONO) S104 (A:ST/MONO) A-ch S103 (AB/A) S102 (SET/INFO) S100 S101 X08 B/2 R102 C102 D104 (A/B/PRE) D105 X08-4350-10 C112 C113 Ref. No. Address C105 C106 IC100...

  • Page 10: Pc Board (Component Side View)

    KAC-PS4D/X4R PC BOARD (COMPONENT SIDE VIEW) AUDIO UNIT X09-8620-10 (J76-0376-21) C940 R884 L508 L507 L601 C565 D506 IC509 Q601 Q602 D514 D607 D608 L202 Q204 C222 C224 L502 L204 R523 L201 L203 R525 C535 R539 R540 C510 C509 R530 L102...
  • Page 11 KAC-PS4D/X4R Q920 C937 C936 Q523 C923 R553 R554 C537 R552 IC510 C554 Q913 C550 L504 C552 Q517 Q520 IC503 IC512 C555 R592 Q911 R859 R882 R591 C901 C212 C919 C214 D904 C618 C530 R944 Q204 R560 R942 C522 R995 R502...
  • Page 12 KAC-PS4D/X4R PC BOARD (FOIL SIDE VIEW) AUDIO UNIT X09-8620-10 (J76-0376-21) Q529 Q527 D911 Q918 Q917 D907 IC604 IC500 IC605 Q909 C920 D604 D525 D526 R980 R589 D906 Q908 R550 C630 R535 C548 D601 R979 C628 R590 R549 D602 R534 R978...
  • Page 13 KAC-PS4D/X4R R572 Q525 Q524 Q526 Q527 Q528 R571 R573 D521 Q531 X09-8620-10 Ref. No. Address Ref. No. Address R625 IC101 Q209 R641 C632 C514 IC102 Q210 R644 R633 R634 IC201 Q211 IC202 Q212 C526 C517 C520 IC301 Q213 IC302 Q301...
  • Page 14 KAC-PS4D/X4R : D2-91413-LR IC303,304,309,403,404,500,904 IC512 : BA05T : S-80827CNNB-G : NJM4565V-ZB IC603,704,804 IC100,200,604 : TC74VHC125FT IC307 : AK5384VF : CS5361-DZZR IC101,102,201,202,605 IC310 : WM8716SEDS/R IC705 : LM1117IDT5.0N : IXDF402SIA IC502 : TL494IDR IC900 : 78F0536GK011A IC301,302,306,401,402,601, IC503 : LT1086IT-PBF IC901 : TC7MBD3245AF...
  • Page 15 KAC-PS4D/X4R Q101,102,201,202 : IRF9530NPBF Q302,503,504,904,918,931 Q520 : 2SB1375-F D1,105-110,205-210,603, D115-118,215-218,607,608 D514,515,518,5 Q103,104,203,204 : IRF530NPBF : DTA114EUA Q522-524,908 : 2SA1576A : EP05Q04 : M3FL20U-5063 : EC Q105-108,113,116,205-208, Q303,521,526,530,902,903, Q525,527-529,920 : 2SD1733 5361-DZZR D4-8,111,211,302,308,309, D300,400,405 : UMZ6.8N D521,908 : UD 213,216,603,604 : 2SA1163-F...
  • Page 16 KAC-PS4D/X4R 514,515,518,520 : EC21QS06AG 521,908 : UDZS15B : UDZS3.9B : UDZS4.7B : UDZS6.8B : UDZS13B IC904 10.8V (2/2) IC904(1/2) Q920 R968 R972 R973 R976 Q904 Q918 R969 Q905 Q917 14.5V 5.0V SW5V Q908 L901 PONFL 4.7uH BU5V THERMISTOR 13.5V SW14V...
  • Page 17 KAC-PS4D/X4R LINE IN A LINE IN B LINE OUT C482 C481 C382 C381 C384 C383 D405 220P 220P 220P 220P 220P 220P IC306 C401 (1/2) IC306 C385 C483 (2/2) 1000P 1000P Q918 Q917 C325 R321 R333 10u16 4.7K R323 4.7K...
  • Page 18 KAC-PS4D/X4R +1.8V +1.8V +3.3V R59 100 TP16 TP17 C42 0.1 R60 100 C43 0.1 24.576MHz C44 10 BUFF C100 IC100 PWMVDD4 PWMH0 TP19 SPDIFTX PWML0 TP20 SPDIFRX PWMGND4 SC20 SRD2 PWMVDD3 SC21 PWMH1 SCK2 PWML1 STD2 CVDD1 BUFF C200 PWMGND3...
  • Page 19 KAC-PS4D/X4R Q111,112 39.7V SPEAKE +3.3V +3.3V -39.7V TP172 L101 TP171 15uH R109 R149 SW TR for C107 SP OUTPUT 0.022 0.027 PWM DRIVER 220u50 MUTE R137 DRIVER L103 IC101 R127 R111 C117 120nH C109 Q113 TP184 Q105 4700P D105 R129...
  • Page 20 • DC voltages are as measured with a high impedance volt me ter. Val ues may KAC-PS4D/X4R (1/2) vary slight ly due to vari a tions between in di vid u al in stru ments or/and units.
  • Page 21 OSCI NAME R103 R104 470 R105 470 R100 470 INTERFACE R101 (Hz) (dB) (1G-3G) (OVER) KAC-PS4D/X4R (2/2) IC1,2 : BA4560F SIGNAL LINE IC100 : LC75756E GND LINE B LINE D100 : B30-1743-05 B LINE D101-105 : 1SS355 CAUTION : For continued safety, re place safe ty critical com po nents only with manufacturer’s rec om mend ed parts (refer to parts list).

  • Page 22: Exploded View

    KAC-PS4D/X4R EXPLODED VIEW : N09-5524-05 3x12 : N09-6216-05 M4x8 : N09-6433-05 (X08-) : N80-2008-43 (B/2) 3x10 : N80-3010-43 : N82-2006-48 3x12 : N83-3012-48 : N89-3008-48 : N09-6135-05 3x12 : N09-6217-05 3x10 : N09-6447-05 2.6x6 : N89-2606-48 3x32 : N09-6446-05 2.6x8...

  • Page 23: Parts List

    KAC-PS4D/X4R PARTS LIST ✽ New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No. Description Ref. No.
  • Page 24 KAC-PS4D/X4R PARTS LIST AUDIO UNIT (X09-8620-10) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation CK73GB1H103K CHIP C 0.010UF K C341 CK73FB0J106K CHIP C 10UF CK73GB1H103K CHIP C 0.010UF K C342 CE32BJ0J470M CHIP EL 47UF 6.3WV...
  • Page 25 KAC-PS4D/X4R PARTS LIST AUDIO UNIT (X09-8620-10) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation ✽ CK73ER2A333K C519 CE32BF1C221M CHIP EL 220UF 16WV C630 CHIP C 0.033UF K ✽ C93-1443-05 C520 CHIP C C631,632 CK73GB1H472K...
  • Page 26 KAC-PS4D/X4R PARTS LIST AUDIO UNIT (X09-8620-10) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation C938 CK73GB1H103K CHIP C 0.010UF K RK73GB2A392J CHIP R 3.9K J 1/10W ✽ CE32BJ0J220M C939 CHIP EL 22UF 6.3WV RK73GB2A121J...
  • Page 27 KAC-PS4D/X4R PARTS LIST AUDIO UNIT (X09-8620-10) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation R201-204 RK73GB2A103J CHIP R J 1/10W R379 RK73EB2E331J CHIP R J 1/4W R205,206 RK73EB2E4R7J CHIP R J 1/4W R380-385 RK73GB2A103J...
  • Page 28 KAC-PS4D/X4R PARTS LIST AUDIO UNIT (X09-8620-10) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation ✽ RK73GH2A121D R548 CHIP R D 1/10W R621 RK73GB2A102J CHIP R 1.0K J 1/10W R549 RK73GH2A472D CHIP R 4.7K D 1/10W...
  • Page 29 KAC-PS4D/X4R PARTS LIST AUDIO UNIT (X09-8620-10) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation R842 RK73EB2E100J CHIP R J 1/4W R972,973 RK73GB2A102J CHIP R 1.0K J 1/10W R843 RK73GB2A102J CHIP R 1.0K J 1/10W...
  • Page 30 KAC-PS4D/X4R PARTS LIST AUDIO UNIT (X09-8620-10) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation D520 EC21QS06AG DIODE IC902 BR24L04FV-W ROM IC D521 UDZS15B ZENER DIODE IC904 NJM4565V-ZB ANALOGUE IC ✽ IRF9530NPBF D522 UDZS3.9B ZENER DIODE Q101,102 ✽...
  • Page 31 KAC-PS4D/X4R PARTS LIST AUDIO UNIT (X09-8620-10) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation Q922-924 DTC114EUA DIGITAL TRANSISTOR Q930 DTC114EUA DIGITAL TRANSISTOR Q931 DTA144EUA DIGITAL TRANSISTOR TH1-6 NCP18XH103J0S THERMISTOR E1 : KAC-PS4D (Europe) K : KAC-X4R (North America)

  • Page 32: Specifications

    Weight ..............3.8kg (8.4lbs) Signal to Noise Ratio ........... 105dB Low Pass Filter Frequency (-24/-12dB/oct.) Low Range ............30~250Hz KENWOOD follows a policy of continuous advancements High Range ............500~5kHz in development. For this reason specifications may be High Pass Filter Frequency (-24/-12dB/oct.) changed without notice.

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