Kenwood VR-208 Service Manual
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Kenwood VR-208 Service Manual

Av surround receiver
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www.freeservicemanuals.info
AV SURROUND RECEIVER
KRF-V7510D/VR-208
KRF-V8010D/VR-209
SERVICE MANUAL
Indicator
KENWOOD badge
(B12-0340-04)
(B43-0302-04)
STANDBY
ON / STANDBY
POWER
- ON
– OFF
PHONES
Knob (BUTTON)
Foot
(K27-2274-04)
(J02-1405-03)
Miniature phone jack(2P)
(E11-0347-05)
ANTENNA
AM
GND
FM
L
75 Ω
R
PHONO
Lock terminal board
Phono jack x 2
(E70-0080-05)
(E63-0172-05)
Knob
Front glass
(K29-6879-02)
(B10-2426-02)
DOLBY DIGITAL
AV SURROUND RECEIVER
CLIP INDICATOR
SPEAKERS
SOURCE
A
B
BASS BOOST
MONITOR
Phone jack(3P)
(E11-0295-05)
Slide switch
Phono jack
(S62-0034-05)
(E63-1020-05)
Phono jack
Phono jack
(E63-1021-05)
(E63-1022-05)
VIDEO OUT
VIDEO IN
(ƒ)
SL16
SYSTEM CONTROL
MONITOR
VIDEO 1
VIDEO 1
VIDEO 2 VIDEO 3
(XS8)
REC OUT
PLAY IN REC OUT PLAY IN
REC OUT PLAY IN
PLAY IN
PLAY IN
CD
MD / TAPE
MONITOR
VIDEO 1
VIDEO 2
VIDEO 3
Phono jack x 2
(E63-0173-05)
Published in Heiloo, Holland.
Knob
(K29-6898-03)
DIMMER
P.CALL
P.CALL
BAND
AUTO
MULTI CONTROL
INPUT MODE LISTEN MODE SOUND
DIRECT
SETUP
Knob
(K29-6879-02)
Screw terminal board
(E70-0089-05)
DOLBY DIGITAL / PCM IN
R
L
C
+
+
VIDEO 2
VIDEO 3
CENTER
L
-
-
R
A
SUBWOOFER
SURROUND
FRONT SPEAKERS
CENTER SPEAKER
PRE OUT
Optical receiving module
(W02-1181-05)
Phono jack
(E63-1015-05)
© 1998-4/B51-5419-00 (K/K) 1796
Panel *
Knob
(A60-)
(K29-6880-04)
VOLUME CONTROL
MEMORY
INPUT SELECTOR
DOWN
Knob
Foot
(K29-6881-04)
(J02-1405-03)
Power cord bushing
(J42-0083-05)
FRONT
SPEAKERS
L
R
B
+
-
-
+
+
-
-
+
R
L
SURROUND
SPEAKERS
AC outlet *
(E03-)
Lock terminal board
(E70-0068-05)
* Refer to parts list on page 32.
12/6/15
UP
AC power cord *
(E30-)
Metallic cabinet
(A01-3534-01)

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  • Page 1 12/6/15 AV SURROUND RECEIVER KRF-V7510D/VR-208 KRF-V8010D/VR-209 SERVICE MANUAL © 1998-4/B51-5419-00 (K/K) 1796 Indicator KENWOOD badge Knob Knob Front glass Panel * Knob (B12-0340-04) (B43-0302-04) (K29-6879-02) (K29-6898-03) (B10-2426-02) (A60-) (K29-6880-04) DOLBY DIGITAL AV SURROUND RECEIVER CLIP INDICATOR VOLUME CONTROL STANDBY DIMMER P.CALL...

  • Page 2: Table Of Contents

    12/6/15 KRF-V7510D/V8010D/VR-208/209 CONTENTS / ACCESSORIES Contents CONTENTS / ACCESSORIES ........2 PC BOARD ..............12 CONTROLS ..............3 SCHEMATIC DIAGRAM ..........17 DISASSEMBLY FOR REPAIR........5 EXPLODED VIEW .............31 BLOCK DIAGRAM ............6 PARTS LIST...............32 CIRCUIT DESCRIPTION ..........7 SPECIFICATIONS .............41 ADJUSTMENT ............11 Accessories AM loop antenna (1)

  • Page 3: Controls

    12/6/15 KRF-V7510D/V8010D/VR-208/209 CONTROLS Frequency display, PRO LOGIC Input display, indicator Preset channel display, AUTO SOUND indicator DIGITAL indicator Surround mode display Band indicators S.DIRECT indicator AUTO indicator Speaker indicator AUTO SOUND DIGITAL AUTO MEMO. indicator * **** ** PRO LOGIC S.DIRECT...

  • Page 4: Www.freeservicemanuals.info Krf-V7510D/V8010D/Vr

    If you connect audio components from 2 MACRO key original remote control supplied with the KENWOOD and other makers to the MD/ Use in combination with the AUDIO, VIDEO, component you are controlling. TAPE or CD jacks, you can set the remote...

  • Page 5: Disassembly For Repair

    12/6/15 KRF-V7510D/V8010D/VR-208/209 DISASSEMBLY FOR REPAIR (VR-257) 1. Remove the 8 screws (1,2,3), remove the rear panel. 2. Connect the GND of the rear panel and the chassis, the GND of the mounting hardware and the chassis with 2 alligators clip (4)
  • Page 6 www.freeservicemanuals.info 12/6/15 (X08) TC9164AF H, P, Lch VIDEO3 STK411-230 H, P, Rch COXIAL TC9163AF DIGITAL STK407-090 SP. 5ch OUTPUT DA&AD Ω Ω VIDEO2 28.3V/8 20.0V/8 IC10 CONVERTER M62446SP OPTICAL TC9162AF (1/2) SP-A (X09) YSS248 6ch E. VOL CS4226 with IC6(1/3) TONE CONT.

  • Page 7: Block Diagram

    12/6/15 KRF-V7510D/V8010D/VR-208/209 CIRCUIT DESCRIPTION 1. Microprocessor CXP82832-141Q(X09 : IC51) 1-1 Microprocessor periphery block diagram Key matrix * No. of : u -COM Port NO. KS0 P.CH DOWN ON/STANDBY SPEAKER A P.CH UP DIMMER SPEAKER B FL DISPLAY (X09) ED51...

  • Page 8: Www.freeservicemanuals.info Krf-V7510D/V8010D/Vr

    12/6/15 KRF-V7510D/V8010D/VR-208/209 CIRCUIT DESCRIPTION 1-2 Pin description Pin No. Pin Name Description G10,11 Display grids 10,11 None – Ic test mode port. None No connect AUDIO Audio signal detection port. L=AUDIO. VOL.ENC.A Volume encoder A(clockwise) output. REMOCON Remote contol signal input.
  • Page 9 12/6/15 KRF-V7510D/V8010D/VR-208/209 CIRCUIT DESCRIPTION Pin No. Pin Name Description FB.RLY Front B speaker relay control. H=relay on. C.RLY Center speaker relay control. H=relay on. S.RLY Rear speaker relay control. H=relay on. POWER.RLY Power relay control. H=relay on. STANDBY.LED Standby led control.L=led on.
  • Page 10 12/6/15 KRF-V7510D/V8010D/VR-208/209 CIRCUIT DESCRIPTION Pin No. Pin Name Descriptions Microprocessor interface serial data output port. Microprocessor interface serial data input port. Microprocessor interface clock input port. TEST Test port. – Power supply(+5V) 72~79 STREAM STREAM detection port. – –...

  • Page 11: Adjustment

    12/6/15 KRF-V7510D/V8010D/VR-208/209 ADJUSTMENT INPUT OUTPUT RECEIVER ALIGNMENT ALIGN ITEM FIG. SETTINGS SETTINGS SETTINGS POINTS FM SECTION SELECTOR : FM 98.0MHz Minimum 1kHz,±68.25kHz dev. DISTORTION 98.0 MHz distortion Selector : L or R (TUNER A1) (STEREO) (L or R) Pilot : ±6.75kHz dev.

  • Page 12: Pc Board

    www.freeservicemanuals.info 12/6/15 PC BOARD (Component side view) POWER SUPPLY UNIT AC OUTLET SYSTEM CONTROL X00-287X-XX (J70-1173-11) CENTER FRONT SPEAKER SPEAKERS X00 B/6 X00 D/6 POWER PHONES AC220- AC110- AC220- AC110- 240V 120V 240V 120V Refer to the schematic diagram for the value of resistors and capacitors. Published in Heiloo, Holland.

  • Page 13: Schematic Diagram

    www.freeservicemanuals.info 12/6/15 PC BOARD (Component side view) TUNER UNIT SURROUND UNIT X05-482X-XX X08-284X-XX ANTENNA (J70-1145-11) (J70-1169-21) SYSTEM CONTROL MONITOR VIDEO1 1 14 VIDEO1 VIDEO2 VIDEO3 VIDEO2 VIDEO3 Refer to the schematic diagram for the value of resistors and capacitors. Published in Heiloo, Holland.
  • Page 14 www.freeservicemanuals.info 12/6/15 PC BOARD (Component side view) AUDIO UNIT FRONT CENTER SPEAKER SPEAKERS A FRONT SPEAKERS B PRE OUT SURROUND SPEAKERS VIDEO 1 MONITOR MD/TAPE PLAY PLAY PLAY PLAY PLAY PHONO X09-489X-XX A/3 (J70-1171-21) X09 C/3 X09 B/3 Refer to the schematic diagram for the value of resistors and capacitors. Published in Heiloo, Holland.

  • Page 15: Parts List

    YES 2.2K 8.2K 330P 390P 0.022 2.2u50 0.022 W02-2622 GENERAL MARKET 1SS302 FM +B D3,6 RD8.2ES(B2) or VR-208/VR209 (X05-4820-10) REFERENCE PHASE DETECTOR MTZJ8.2(B) DIVIDER CHARGE PUMP DESTINATION R72, C30, RD5.1ES(B2) or UNIT No. CF1,2 B , D , E COUNTRY ABB.
  • Page 16 www.freeservicemanuals.info 12/6/15 SURROUND UNIT (X08-2840-10) SRch C132 R134 DIGITAL 4.7u50 5.1K IC24 SLch C131 R133 4.7u50 5.1K R36 1K SERIAL AUDIO DATA INTERFACE R9 220 3.4V R8 220 +15V 1000P 1000P DIGITAL DIGITAL FILTERS C152 R154 FILTERS 4.7u50 5.1K 330P 2.9V 2.8V DAC,A/D...
  • Page 17 X00- TRNS 3 VIDEO2 1 VIDEO3 IC23 IC22 (1/2) (1/2) SW MIX SWch 90Hz L.P.F. -14.8V -14.8V -15V -15V -15V -15V X09-B/3 +15V +15V +15V -CN52 ANA Rch ANA Lch VR208/209(K) (2/4) KRF-V5551D/V7510D/V8010D(M) (2/4) KRF-V7510D/V8010D/VR-208/209 Y05-3600-10 Published in Heiloo, Holland.
  • Page 18 12/6/15 (X09-XXXX-XX) (A/3) +15V VR-208 (X09-4890-11) 15.0V PHONO EQ AMP DESTINATION (AUDIO) C21,22, C23-26, C33,34, D1,11-14, R1,2, R3,4,16, R27,28, R229, R241, R315,316, R343, R367, R369- W4,10,12,28,57,58,60, W56,63, C103 UNIT No. C1,2 C5,6 C7,8 (1/2) COUNTRY ABB. 29,30 31,32 39,40...
  • Page 19 www.freeservicemanuals.info 12/6/15 KRF-V7510D (X09-4892-91) DESTINATION C7,8 C21,22, C23-26, C33,34, D1,11-14, R1,2, R3,4,16, R27,28, R229, R241, R315,316, R343, R367, R369- W4,10,12,28,57,58,60, W56,63, UNIT No. C1,2 C5,6 29,30 31,32 39,40 22,25,26 242,253 329,330,363 347,358 129,130,219,220 79,128 COUNTRY ABB. R343 2-91 3300u50 47u50 3900P50 MA111 STK407-090K...
  • Page 20 TC74HCU04AF FRONT A SP. (X00-287X-XX) (A/6) USED EXCEPT 2 Lch (K,P) TYPE (X00- ) (B/6) 3 Cch CENTER SP. POWER COLD VR-208 (K,P) 1 Rch POWER POWER TRANSFORMER ON:0V FRONT OFF:16.1V B SP. LA1838 LC72131 S-80740AL-A4 +5V AVR 2 Lch 5.4V...
  • Page 21 505,510 0.4V R552 470 R563 10K JAPAN 0-01 YES NO R501 560 R553 470 R564 10K CLIP IND. 0.4V IC51 VR-208 (X09-4890-11) D501 R519 560 0.4V R554 470 R565 10K DESTINATION D.DIG LED u-COM UNIT No. D504, S517 C534 C535...
  • Page 22 220-240V~ AC110- AC220- 120V~ 1240V~ AC110- AC220- X00-2870-21 120V~ 1240V~ (A/6) M4x6 : N09-1966-05 (VR-209/KRF-V8010D) M4x6 : N86-4006-46 (VR-208/KRF-V7510D) (15P) : N09-3411-05 (C/6) X08-2840-10 : N29-0216-05 : N82-2608-46 ø3x6 : N89-3006-45 ø3x8 : N89-3008-45 ø3x8 : N89-3008-46 SYSTEM VIDEO VIDEO2...
  • Page 23 Parts No. Description Ref. No Parts No. Description ress Parts nation marks ress Parts nation marks VR-208/209/KRF-V7510D/V8010D H10-7418-02 POLYSTYRENE FOAMED FIXTURE L H10-7419-02 POLYSTYRENE FOAMED FIXTURE R A01-3534-01 METALLIC CABINET H25-0232-04 PROTECTION BAG (235X350X0.03) A09-0366-08 BATTERY COVER H25-0391-04 PROTECTION BAG...
  • Page 24 www.freeservicemanuals.info 12/6/15 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 25 www.freeservicemanuals.info 12/6/15 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 26 www.freeservicemanuals.info 12/6/15 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 27 www.freeservicemanuals.info 12/6/15 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 28 www.freeservicemanuals.info 12/6/15 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 29 www.freeservicemanuals.info 12/6/15 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 30 www.freeservicemanuals.info 12/6/15 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 31 ABBREVIATION OF MODEL AND MASS PRODUCTION'S DESTINATIONS MODEL ABB. Australia Canada China England Europe Germany Korea Malaysia STK410-030K HYBRID IC KP1Y1 STK410-030K HYBRID IC VR-208 – – – – – – – – NJM4580ED ANALOGUE IC TC9164AF MOS-IC VR-209 –...

  • Page 32: Specifications

    Input level / impedance / wave length Optical ....... -15 dBm ~ -21 dBm, 600 nm ±30nm Coaxial ..............0.5 Vp-p / 75 Ω 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notic e. Notes Notes 2.
  • Page 33 Unit 3712-3724, Level 37, Tower 1, Metroplaza, 223 Hing Fong Road, Kwai Fong N.T., Hong Kong KENWOOD ELECTRONICS U.K. LIMITED KENWOOD ELECTRONICS GULF FZE KENWOOD House, Dwight Road, Watford, Herts., WD1 8EB., United Kingdom P.O.Box 61318, Jebel Ali, Dubai, U.A.E. KENWOOD ELECTRONICS BELGUM N.V.

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