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MINI HiFi COMPONENT SYSTEM
RXD-V525/V626/V727/V828
SERVICE MANUAL
(XD-V525~V828) **
Knob
(K29-7471-14)
MIC VOL
MIC VOL.
Knob
(K29-7547-04)
MIN.
MAX.
MIC
Phone jack
(E11-0219-05)
Phone jack
(E11-0280-05)
0
PUSH
OPEN
Cassette lid assy(L) *
(A53-)
Panel assy *
(A60-)
**Refer to page 2 if you want to know system configuration.
In compliance with Federal Regulations, following are repro-
ductions of labels on, or inside the product relating to laser
product safety.
Refer to the RXD-652 service manual (B51-5517-00) for
DISASSEMBLY FOR REPAIR.
Knob
(K29-7470-14)
MINI HI-FI COMPONENT SYSTEM
STANDBY
TIMER
ON/STANDBY
C
BACK
MENU
PHONES
AUTO REVERSE
A
PLAY
DIRECT PROGRAM SEARCH SYSTEM
@
1
REV. MODE
TAPE EQ.
DISC
SKIP
1
2
DISC
DISC
DISC
© 1999-8/B51-5567-00 (K/K) 406
Front glass *
(B10-)
XD-552
PBC KEY CONT ECHO
PRO LOGIC 3 STEREO
VIRTUAL
DISPLAY
INPUT
/DEMO
SELECT
EX.BASS
ENTER
DOWN
AUTO REVERSE
DIRECT PROGRAM SEARCH SYSTEM
&
#
¡
A
REC/ARM
B
^
&
3
* Refer to parts list on page 55.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock
defeated.
AVOID DIRECT EXPOSURE TO BEAM
BAND
TUNING MODE
DOWN
VOLUME
CONTROL
Knob
(K29-7466-04)
UP
UP
0
PUSH
OPEN
REC/
Cassette lid assy(R) *
B
PLAY
(A53-)
0
OPEN
Panel assy(CD)
(A29-1067-03)
70%

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Summary of Contents for Kenwood RXD-V525

  • Page 1 * Refer to parts list on page 55. In compliance with Federal Regulations, following are repro- KENWOOD-Crop. certifies this equipment conforms to DHHS ductions of labels on, or inside the product relating to laser Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
  • Page 2: Table Of Contents

    Speaker cords (2) Video cord(1) Batteries (R6/AA) (2) (E30-1427-05) Provided in the speaker package Remote control unit (1) (A70-1302-05): RC-V828...RXD-V828 (A70-1303-05): RC-V727...RXD-V727 Battery cover (A09-0399-08) (A70-1304-05): RC-V626...RXD-V525/V626 System configuration SYSTEM MAIN UNIT DESTINATION SPEAKER SP CORD PARTS NO. XD-V525 RXD-V525 LS-N452...
  • Page 3: External View

    RXD-V525/V626/V727/V828 EXTERNAL VIEW Slide switch (S62-0077-05) Phono jack Lock terminal board Lock terminal board (E63-0116-05) (E70-0046-05) Metallic cabinet (E70-0110-05) (A01-3656-01) Cover Lock terminal board (F07-1660-01) (E70-0045-05) Lock terminal board (E70-0053-05) Slide switch (S62-0077-05) Phono jack Lock terminal board Phono jack...
  • Page 4 DRIVER DISPLAY IC12 MPEG (X13) DECODER D. OUT DIGITAL ANALOG (OPTICAL) (X00-294X-XX) : RXD-V727/V828 VIDEO OUT TV ENCODER DECK +12V (X00-293X-XX) : RXD-V525/V626 E-VOL +12V 1Vp-p/75 TUNER DECK +12V E-VOL +12V TUNER E-VOL -12V -12V TUNER (M) TYPE ONLY (M) TYPE ONLY...
  • Page 5: Circuit Description

    RXD-V525/V626/V727/V828 CIRCUIT DESCRIPTION 1. TEST MODE 1-1 CD TEST MODE SETTING METHOD While pressing DISC3 key, plug the AC power cord into the AC power wall outlet. CANCEL Push CD STOP key. CONTENTS Display : CD TEST (Then the CD tray open.)
  • Page 6 RXD-V525/V626/V727/V828 CIRCUIT DESCRIPTION 2. Main microprocessor M30622MC-598FP (X13:IC1) 2-1 Microprocessor periphery block diagram DECK S YS TE M IC (HA1 2 2 1 9NT ) 2-2 Key matrix...
  • Page 7 RXD-V525/V626/V727/V828 CIRCUIT DESCRIPTION 2-3 Pin description Pin No. Name I/O Connect Description D-DATA DOLBY DIGITAL IC DATA OUTPUT (CXD2724Q) D-CLK DOLBY DIGITAL IC CLOCK OUTPUT (CXD2724Q) PLLDATA PLL IC DATA (LC72131) STEREO INPUT PLLCE PLL IC CE (LC72131) OUTPUT NO USE...
  • Page 8 RXD-V525/V626/V727/V828 CIRCUIT DESCRIPTION Pin No. Name I/O Connect Description POWER SUPPLY (+5V) SR-LIMIT CENTER/SURROUND (SUPER WOOFER) SP RELAY CONTROL H=ON / L=OFF B-PH B DECK SPIN DETECT INPUT A-PH A DECK SPIN DETECT INPUT A/B2 DECK A/B CHANGEOVER CONTROL 1...
  • Page 9 RXD-V525/V626/V727/V828 CIRCUIT DESCRIPTION 2-4 EXPANDER IC PIN DESCRIPTION (X13:IC14) BU2090F Pin No. Name Connect Description DATA DATA INPUT CLOCK CLOCK INPUT 120/70 DECK 120/70us CHANGEOVER D-R/P DECK DOLBY R/P CHANGEOVER B1/B2 DECK B1/B2 CHANGEOVER DOLBY DECK DOLBY ON/OFF NOR/CrO2 NOR/CrO2 CHANGEOVER...
  • Page 10: Adjustment

    RXD-V525/V626/V727/V828 ADJUSTMENT CD player adjustment INPUT OUTPUT CD PLAYER ITEM ALIGNMENT ALIGN FOR FIG. SETTINGS SETTINGS SETTINGS NO. [1] :Choose either LASER POWER or LASER CURRENT CHECK. ( Confirm to be satisfied either LASER POWER or LASER CURRENT CHECK.) TEST MODE : While pressing the PLAY/PAUSE key ,plug the power code into the AC power wall output.
  • Page 11 RXD-V525/V626/V727/V828 ADJUSTMENT Cassette Deck adjustment FIG. INPUT OUTPUT DECK ALIGNMENT ITEM ALIGN FOR SETTING SETTING SETTING POINT Unless otherwise specified, set the respective switches as follows: 0dBs=0.775V TAPE : NORMAL DOLBY : OFF PLAY OUT : Lch (X28,CN64pin), Rch (X28,CN66pin) ø.
  • Page 12 USED RXD-V727 USED EXCEPT (M,I) TYPE SURROUND RXD-V525 (X07-30XX-XX) SPEAKERS DESTINATION POWER AMP USED UNIT No. COUNTRY ABB. (X07-303X-XX) (A/2) :RXD-V525/V626 RXD-V525/V626 MALAYSIA 30-24 SECONDARY UNIT (X07-304X-XX) (A/3) :RXD-V727/V828 GENERAL MARKET (X00- ) (B/3) SHANGHAI 92-10 PRIMARY UNIT RXD-V626 (X07-3030-23)
  • Page 13: Pc Board

    PC BOARD (Component side view) POWER SUPPLY UNIT X00-2940-XX A/5 (J70-1298-21): MI X00-2962-XX: V +9V AVR -12V AVR +12V AVR +5VAVR -35V AVR WH3/WH6 CN10 X00 B/5 CN11 CN12 +5.6V AVR X00 C/5 CN13 CN14 3.15A 125V X00 D/5 X00 E/5 120V 240V 120V...
  • Page 14 PC BOARD (Component side view) POWER AMPLIFIER UNIT RECORD/PLAYBACK UNIT X07-3040-2X A/2 (J70-1300-21): MI X07-3082-1X: V X28-2980-2X: MI X28-3032-1X: V R127 C100 C110 R126 R122 R125 C100 R124 W105 R100 R104 W102 X07 B/2 R108 L-OUT A.12V A.GND R-OUT B.12V B.GND W103 R113...
  • Page 15 PC BOARD (Component side view) POWER AMPLIFIER UNIT X07-3030-2X A/2: MI X07 B/2 X07-3092-10: V X00 C/3 R102 X00 B/3 R131 R132 POWER SUPPLY UNIT X00-2930-2X A/3: MI X00-2972-10: V R112 Lch ACLASS For M Except M R128 R124 R125 R126 R127 R121...
  • Page 16 PC BOARD (Component side view) SUB-CIRCUIT UNIT X13-7650-2X A/2 (J70-1328-11): MI X13-7672-1X: V E7(WH7) C563 TUNER R155 R209 R154 R221 R208 R602 C567 Q307 R156 R207 R153 R151 IC15 R350 R378 W154 W134 W113 R141 R152 R337 R142 R351 R603 W146 C358 W193...
  • Page 17 PC BOARD (Component side view) DISPLAY UNIT X14-7040-2X A/6 (J70-1354-20): MI X14-7032-1X: V X14 E/6 R145 R204 C163 R205 R144 R502 C155 C165 R135 C156 R501 R134 R137 C164 R136 C161 R150 C158 C157 R143 R141 C154 C162 R133 C160 C153 R140 R132...
  • Page 18 PC BOARD (Component side view) CD PLAYER UNIT X32-3730-20 (J70-1329-12): MI X32-3792-10: V R123 R109 R110 C153 C143 C133 C115 IC13 R152 C114 R140 R143 R144 C135 R142 C137 R141 C138 R139 C136 C134 C161 C166 C165 C164 C163 C162 IC10 IC12 C186...
  • Page 19 RECORD/PLAYBACK UNIT (X28-298X-XX) Q23,24,28,29 A PB VR ON/OFF CONTROL Q25-27 B PB VR MECHANISM ASS’Y ON/OFF COMTROL A HEAD L-PLAY R-PLAY PLAYBACK/REC PLAY/REC HEAD SW 12.2V C51 10u16 L-PLAY B HEAD 12.3V 5.7V L1 10mH C33 220P 10u16 L-REC L2 10mH ERASE C34 220P 10u16...
  • Page 20 Licensing Corporation. L-PLAY 5.7V 5.7V 5.3V 5.3V A-GND R-PLAY 5.7V BIAS-GND L-REC R-REC 1.5K D-GND 5.7V 2.2u50 5.7V RXD-V525 (X28-2980-11) 1.5K DESTINATION R33, R113, C25, W32, UNIT No. DOLBY COUNTRY ABB. 22u16 GENERAL MARKET MALAYSIA 0-11 SHANGHAI 1/4W RXD-V626 (X28-2980-10)
  • Page 21 30,114 1.2V R558 R375 IC13 OTHER -12.3V Q305 C551 (1/2) NO YES 2.2K 0.22 MUTE TUNER PACK 3.3V RXD-V525 (X13-765X-XX): (MI type)/(X13-7672-12): (V type) C341 (AM/FM) -12.2V 3.3u50 R339 C339 W02-2673-15 10u16 DESTINATION C13,14, C15, C353, Q506 TUNER 4.4V UNIT No.
  • Page 22 1.6V 4.7M BIAS 10MHz BEAT.C 5.0V 33.768KHz C302 B.SOL R369 A.SOL RXD-V525 (2/8) RXD-V626 (2/8) PSLOAD 4.7V RXD-V727 (2/8) PS IN RXD-V828 (2/8) DPSS A-PH RXD-V525/V626/V727/V828 MODULATION The DC voltage is an actual reading measured with a high impedance type voltmeter as the AM/FM signal generator is...
  • Page 23 (X32-3730-20) MPEG DATA MPEG CS X13-A/2 MPEG CLK DOWN SW UP SW ST SW PS SW UNLD SW LOAD SW OPEN CLOSE BRKN ROTARY TRAY’S MOTOR DRV. LODING TRAY’S MOTOR DRV. CD MACHANISM (MGC-E9004) (X25-6210-10) 5.0V C6 R25 0.1 10 SLT SW SLT.SW SPINDLE MOTOR(+)
  • Page 24 (X32-3730-20) 3.6V +3.45V +3.45V +3.45V +3.45V +3.45V +3.45V C135 220u10 C136 +3.45V 4.9V +3.45V R151 4.7K R100 DSCK AUXO (1X/2X) R145 4.7K AUX1 (S-SCLK) DCS0 0.01 AUX2 (MPEG DATA) +3.45V R146 4.7K 0.01 R149 1.5K +3.45V DCS1 4.9V AUX3 (DSP CLOK) DB15 AUX4 DB14...
  • Page 25 R172 DSC D4 4.7K BA:A11 RBCK/SER IN YUV2 R179 DSC D3 4.7K AUX12(C2F0) YUV1 R178 DSC D2 4.7K AUX11 YUV0 R177 DSC D1 4.7V 4.7K +3.45V AUX10(SQCK) R124 4.7K RSD/SPLL0 4.7V C119 0.01 C120 100u10 DIGITAL RXD-V525/V626/V727/V828 DIGITAL Y39-3270-21 RXD-V525/V626/V727/V828(3/8)
  • Page 26 POWER AMPLIFIER UNIT (X07-303X-XX) (A/2) : RXD-V525(M,I,V)/V626(M,I) Q1,2 : 2SC2878(B) Q3,4 2SD2144S(U,V) Q5-8,19-21 : 2SA992(F,E) Q9,10,17,18,22,23,31,43 6.8K CURRENT 2SC1845(F,E) 1/4W 1/4W PROTECTION Q11,12 2SC4137F50(V,W) 50.5V 1/4W /CURRENT Q13,14 1.1V LIMITER Q15,16 3.3K 2SC3940A(R,S) Q5-8 1/4W 2SA954(L,K) Q9,10 DIFFERENTIAL -0.5V Q13,15...
  • Page 27 POWER AMPLIFIER UNIT (X07-304X-XX) (A/2) : RXD-V727(M,I,V)/V828(M,I,V) : STK411-220D : NJM4565D-D POWER IC POWER IC Q1,2,5,6 : 2SC2878(B) Q3,4,7,8 : 2SD2144S(U,V) or KTD1303 Q9-12 : 2SC1845(F,E) Q13,17,28 : DTC113ZSA : 2SC2003(L,K) : KTA1268 or 2SA992(F,E) Q26,27 : KTC3200 2SC1845(F,E) D1,2 : HZS5.1N(B2) or STK411-220D MTZJ5.1(B) or...
  • Page 28 SURROUND R142 SUPER WOOFER SP. 1SS301 CXD2718Q SI-3050J M66004SP NJM4565L BU2090F S-80840ANY BA5979S M62492FP C,SW SP. or SURR. SP. ON/OFF 4.3V CENTER SP. RXD-V828 X00-A/3 -WH4 C10 470P SUPER SURROUND SP. WOOFER R139 620 PRE OUT RXD-V525/V626/V727/V828 Y39-3270-21 RXD-V727/V828 (5/8)
  • Page 29 POWER SUPPLY UNIT (X00-29XX-XX) (A/3) : RXD-V525(M,I,V)/V626(M,I) CAUTION: For continued safety, replace safety critical compo- nents only with manufacturer's recommended parts (refer to parts list). indicates safety critical components. For continued protec- 11.5V +5.6V AVR tion against risk of fire, replace only with same type and rating +5.6V...
  • Page 30 The measure- +/-BL SUPPLY ment value may vary depending on the measuring instru- ments used or on the product. -14.5V -27.3V -35V REG. X13-A/2 -34.6V -35V REG. -CN1 RXD-V727/V828 (7/8) EXCEPT USED (M,I) TYPE RXD-V525/V626/V727/V828 Y39-3270-21...
  • Page 31 X13-A/2 DISPLAY UNIT (X14-704X-XX) (A/6) ED1 BIG (SVA-15MM13) ED1 SMALL (BJ665GK) B14 B18 X13-A/2 B19 B25 -CN5 REPEAT TOTAL T.EQ K-PGM TOTAL P5 P6 P13 P14 PROG. 1 O.T.T. AUTO PROG. 1 2 O.T.T. AUTO (X14- ) (B/6) C57 1000P R72 10K C58 1000P R73 10K...
  • Page 32 (X14-704X-XX) RXD-V525 (X14-704X-XX) RXD-V727 (X14-704X-XX) DESTINATION D53,70, R76,110, DESTINATION D53, D81, R76, R152, UNIT No. UNIT No. 81,82 152,153 COUNTRY ABB. COUNTRY ABB. GEMERAL MARKET GEMERAL MARKET 0-23 0-21 MALAYSIA SMALL MALAYSIA SHANGHAI 2-12 SHANGHAI 2-11 EX.BASS RXD-V626 (X14-7040-22) RXD-V828 (X14-704X-XX)
  • Page 33: Exploded View

    RXD-V525/V626/V727/V828 EXPLODED VIEW (CD MECHANISM) AQx2 ø 2.6x6 : N32-2606-46 ø 2x3 : N30-2003-46 WASHER : N19-1435-05 ø 2x5 : N86-2005-46 KCTB1H Parts with exploded numbers larger than 700 are not supplied.
  • Page 34 RXD-V525/V626/V727/V828 EXPLODED VIEW (CD MECHANISM) M2.6x14(BLK) : N89-2614-45 SCREW(SUB-L) : N09-3377-08 M2x8 : N89-2008-46 SCREW(F) : N09-3141-08 M2.6x8 : N89-2608-46 SCREW(E) : N09-3140-08 SCREW(A2) : N09-3225-05 ¿2.6x6 : N09-3369-08 SCREW(A) : N09-5104-08 SCREW(J) : N09-3489-08 WASHER : N19-1490-08 WASHER : N16-0026-46...
  • Page 35 (A MECHA) : N87-2004-46 (B MECHA) : N87-2006-46 : N19-0904-08 : N19-0905-08 : N19-1214-08 (A MECHA) (A MECHA) (B MECHA) (B MECHA) RPEH CBx2...
  • Page 36: Fe/Rf

    ø2.6x8 N82-2608-46 ø3x8 N82-3008-46 SURROUND SP M4x6 N86-4006-46 CENTER S ø2.6x6 N89-2606-46 ø3x6 (BLK) N89-3006-45 ø3x6 N89-3006-46 ø3x10 N89-3010-46 X07-3040-21 (A/2) ø3x8 (BLK) N89-3008-45 ø3x8 N89-3008-46 ø3x18 N89-3018-46 (B/2) P.Rivet N29-0265-15 ANTENNA HEX3x18 N09-2912-05 MD REC OUT PUT ø3x12 N09-5116-05 MD/DV INPUT ø3x10 N35-3010-46...
  • Page 37 Parts No. Parts No. Description Ref. No Parts nation marks ress ress Parts nation marks J42-0083-05 POWER CORD BUSHING RXD-V525/V626 J52-0039-05 PUSH LATCH J61-0307-05 WIRE BAND A01-3656-01 METALLIC CABINET A09-0399-08 CABINET K29-7466-04 KNOB (MAIN VOLUME) A29-1067-03 PANEL ASSY (CD) K29-7470-14...
  • Page 38 POWER TRANSFORMER D4 -6 1SS133 DIODE HZS6C2L ZENER DIODE T90-0836-05 LEAD WIRE ANTENNA HSS104A DIODE T90-0837-05 LOOP ANTENNA 1SS133 DIODE POWER SUPPLY UNIT (X00-29XX-XX): RXD-V525/V626 HZS6.2N(B2) ZENER DIODE MTZJ6.2(B) ZENER DIODE CE04KW1E332M ELECTRO 3300UF 25WV RD6.2ES(B2) ZENER DIODE CE04KW1E102M ELECTRO 1000UF...
  • Page 39 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 40 D7 ,8 HZS16N(B2) ZENER DIODE 2SC3940A(R,S) TRANSISTOR D7 ,8 MTZJ13(B) ZENER DIODE 2SD863(E,F) TRANSISTOR D7 ,8 MTZJ16(B) ZENER DIODE POWER AMPLIFIER UNIT (X07-30XX-XX): RXD-V525/V626 D7 ,8 RD13ES(B2) ZENER DIODE HSS104A DIODE C1 ,2 CE04KW1H010M ELECTRO 1.0UF 50WV 1SS133 DIODE C3 ,4...
  • Page 41 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 42 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 43 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 44 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 45 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. & Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 46 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 47 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. ™ ¡ Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 48 New Parts New Parts Parts without Parts No. are not supplied. Parts without Parts No. are not supplied. ¢ £ Les articles non mentionnes dans le Parts No. ne sont pas fournis. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No.
  • Page 49 RXD-V525/V626/V727/V828 HOW TO READ THE PARTS LIST ABBREVIATION OF MODEL AND MASS PRODUCTION'S DESTINATIONS Australia Canada China England Europe Germany Korea Malaysia MODEL ABB. RXD-V525 RXD-V626 RXD-V727 RXD-V828 Mexico PX/AAFES Russia Scandinavia Shanghai Other area MODEL ABB. RXD-V525 RXD-V626 RXD-V727...
  • Page 50: Parts List

    D : 390 mm D : 390 mm Weight (net) ..............10 .1 kg Weight (net) ..............10.9 kg 1.KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. Notes Notes 2.Sufficient performance may not be possible at very low temperatures (0°C or less).

This manual is also suitable for:

Rxd-v828Rxd-v626Rxd-v727

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