Kenwood KRF-V6200D Service Manual
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Kenwood KRF-V6200D Service Manual

Audio-video control center
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AUDIO-VIDEO CONTROL CENTER
KRF-V6200D/V6200D-S
KRF-V7200D/V7200D-S
SERVICE MANUAL
Knob
(K29-8591-03): S
Panel *
(K29-8592-03): B
(A60-)
DOLBY DIGITAL
SPEAKER A/B/OFF
LISTEN MODE
PHONES
Phone jack
(E11-0271-05)
Knob
(K29-8589-02): S
(K29-8590-02): B
Tuner assy
Pin jack
(W02-4609-05)
(E63-1338-05)
L
R
REC OUT PLAY IN
REC OUT PLAY IN
AUX
CD/DVD
MD/TAPE
VIDEO 1
AM
FM 75
ANTENNA
GND
FRONT SPEAKERS(6-16 )
R
L
R
RED
WHITE
SPEAKER A
Screw terminal
Foot
(E70-1018-05+)
(J02-1464-03)
Metallic cabinet
(A01-3976-11): S
(A01-3977-11): B
Figure is KRF-V7200D/D-S
S: Silver, B: Black
* Refer to parts list on page 36.
Front glass
(B10-5621-02)
DTS
ACTIVE EQ
SPEAKERS B
MULTI CONTROL
SET UP
BAND
AUTO/MONO ACTIVE EQ INPUT MODE
Knob
(K29-8585-04): S
(K29-8586-04): B
Pin jack
(E63-1146-15)
Pin jack
(E63-1416-05)
Pin jack
(E63-1417-05)
CENTER
SUB
WOOFER
PLAY IN
FRONT SURROUND
SUB WOOFER
COAXIAL
VIDEO 2
DVD/6CH IN
DVD/6CH
AUDIO
PRE OUT
L
SPEAKER B
Cover
(F07-2037-12)
PURE AUDIO MODE
INPUT SELECTOR
PURE AUDIO MODE
Knob
Escutcheon
(K29-8585-04): S
(B07-2749-01): S
(B07-2750-01): B
(K29-8586-04): B
Pin jack
(E63-1414-05) Cylindrical
Optical receiving
module
(W02-4652-05)
CR
CB
OPTICAL
OPTICAL
CD/DVD
VIDEO 2
Y
DIGITAL IN
DVD
VIDEO 1
VIDEO 2
MONITOR
IN
IN
IN
OUT
COMPONENT VIDEO
SURROUND SPEAKERS(6-16 )
R
L
R
GREEN
GRAY
BLUE
TAN
CENTER
SURROUND
SURROUND BACK
Screw terminal
Screw terminal
(E70-1009-05+)
(E70-1018-05+)
RoHS
This product complies with the
© 2007-7 PRINTED IN JA PAN
B53-4014-00 ( N/J ) 127
Knob *
(K29-)
VOLUME CONTROL
USB/AV AUX
VIDEO
L-AUDIO-R
USB
Rectangular plug
(E59-0849-05)
Pin jack
(E63-1388-05)
Pin jack
(E63-1368-05)
Pin jack
(E63-1371-05)
receptacle
(E56-0058-05)
AC power cord *
(E30-)
VIDEO 2
VIDEO 1
IN
OUT
VIDEO 1
IN
DVD
VIDEO 2
MONITOR
DVD
MONITOR
IN
IN
OUT
IN
OUT
S-VIDEO
VIDEO
230V~50Hz
L
SWITCHED
TOTAL 90W
BROWN
400mA MAX.
AC OUTLETS
AC outlet *
(E03-)
This product uses Lead Free solder.
directive for the European market.
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Summary of Contents for Kenwood KRF-V6200D

  • Page 1 AUDIO-VIDEO CONTROL CENTER KRF-V6200D/V6200D-S KRF-V7200D/V7200D-S © 2007-7 PRINTED IN JA PAN SERVICE MANUAL B53-4014-00 ( N/J ) 127 Knob (K29-8591-03): S Panel * Front glass Knob * (K29-8592-03): B (A60-) (B10-5621-02) (K29-) VOLUME CONTROL DOLBY DIGITAL ACTIVE EQ SPEAKERS B...
  • Page 2 KRF-V6200D/V7200D ACCESSORIES / CAUTIONS Accessories FM indoor antenna (1) AM loop antenna (1) Remote control unit (1) Batteries (R03) (2) (T90-0877-05) (T90-0893-05) RC-R0732 (A70-1720-05) Cautions We shall have no compensation for any damage arising out of erasure of the stored data.
  • Page 3 KRF-V6200D/V7200D CAUTIONS Notes: Memory back up function • WMA fi les which cannot be played with this unit: Please note that the following items will be deleted from the – WMA 9 series Professional unit's memory if the power cord is disconnected from the AC –...

  • Page 4: Block Diagram

    KRF-V6200D/V7200D BLOCK DIAGRAM IC11 (X08) SUMMING KRF-V6200D ONLY FL,FR Q371-374 IC101 (X08) IC501 (X08) (X08) IC91 J371 (X08) IC51 (X08) PRE OUT MUTE SBL/SBR 1V 20dB IC31 (X08) Q361,363 IC401 SL,SR IC111 (X08) (X08) (X08) J361 (X08) DVD/6ch J595 D-IN...

  • Page 5: Circuit Description

    KRF-V6200D/V7200D CIRCUIT DESCRIPTION ● MN101E16K: Microprocessor (IC601: X08) Port Descriptions Port No. Port Name Explanations Logic RTS_USB USB IC reset PULSE_USB USB IC pulse Chip enable FL_DIN FL Driver DATA input FL_DO FL Driver DATA output FL_CLK FL Driver CLOCK...
  • Page 6 KRF-V6200D/V7200D CIRCUIT DESCRIPTION Port No. Port Name Explanations Logic FAN_CONT FAN control AMP_PROT AMP protection AVR_PROT AVR protection POWER_KEY POWER KEY BAND_KEY BAND KEY RLY_DATA Relay control IC data RLY_CLK Relay control IC clock RESET_USB USB IC reset STBY_USB USB UC standby...
  • Page 7 KRF-V6200D/V7200D CIRCUIT DESCRIPTION Port No. Port Name Explanations Logic V_MUTE VIDEO MUTE PURE PURE AUDIO MODE (video on/off) POWER_RLY POWER RELAY ENC_A1 SELECTOR ENC INPUT A ENC_A2 SELECTOR ENC INPUT B CTS_USB USB IC CTS ENC_B1 MULTI CONTROL ENC INPUT A...
  • Page 8 KRF-V6200D/V7200D CIRCUIT DESCRIPTION Port No. Port Name Explanations Logic When “L”, the AK4628A is powered-down and the control registers are reset to default state. Power-Down and Reset port. If the state of P/S or CAD1-0 changes, then the AK4628A must be reset by PDN.
  • Page 9 KRF-V6200D/V7200D CIRCUIT DESCRIPTION ● AK4114VQ: Digital Audio Transceiver (IC402: X08) Port Descriptions Port No. Port Name Explanations Logic Receiving channel #4 port. Connected to GND. Receiving channel #5 port. TEST2 Connected to GND. Receiving channel #6 port. Connected to GND.
  • Page 10 KRF-V6200D/V7200D CIRCUIT DESCRIPTION Port No. Port Name Explanations Logic Common voltage output port. AVSS3 Analog ground port. Receiving channel #0 port. Connected to GND. Receiving channel #1 port. TEST1 Connected to GND. Receiving channel #2 port. Connected to GND. Receiving channel #3 port.
  • Page 11 KRF-V6200D/V7200D CIRCUIT DESCRIPTION Port No. Port Name Explanations Logic XTAL Crystal Connection port. X. GND Ground Connection for Crystal. /XTAL Crystal Connection port. X.VDD Ground Connection for Crystal. DA.VDD Power Supply for DAC. LOUT Audio L-ch Output. DA.GND Ground for DAC.
  • Page 12 KRF-V6200D/V7200D CIRCUIT DESCRIPTION ● NJU3713AV: 12 Bit Serial-Parallel Converter (IC750: X08) Port Descriptions Port No. Port Name Explanations Logic P5-8 Parallel converted data output port. Non connection 7~10 P9-12 Parallel converted data output port. DATA Serial data input port. Clock signal input port.
  • Page 13 KRF-V6200D/V7200D CIRCUIT DESCRIPTION / ADJUSTMENT Pin No. Pin Name Description FILT1 External fi lter for PLL Power supply for clock generator (+2.5V) AGND Ground for PLL of clock generator /RESET Master reset input port Pulled up Pulled up AUDATA2 Digital audio output port-2...
  • Page 14 KRF-V6200D/V7200D PC BOARD X08-3492-71 A/2 (J75-0117-01) (SIDE A) CN601 IC750 R747 R754 R746 R753 R745 C750 IC901 C939 R740 R750 R739 R738 D601 R752 R600 C941 C931 C924 R932 C927 IC902 R624 C900 C901 C602 IC903 L909 X900 R929 R931...
  • Page 15 KRF-V6200D/V7200D X08 B/2 WH990 CN604 C725 R725 D993 D992 R721 IC721 R722 R723 R600 C731 R731 IC731 J990 R601 R694 R692 R690 R688 IC601 R650 R685 R684 R683 R682 R681 R680 R679 R678 R677 IC991 Q821 R676 R823 R674 R748...
  • Page 16 KRF-V6200D/V7200D PC BOARD X08 B/2 X08-3492-71 A/2 (J75-0117-01) (SIDE B) R990 R645 R618 R646 R647 R695 R693 R689 R734 R691 R726 R727 R728 R729 R730 R732 R733 R819 C819 R801 C803 C872 R873 R432 R431 C438 R438 C423 R884 C452...
  • Page 17 KRF-V6200D/V7200D R935 R936 R937 C942 R626 C928 R628 C603 R631 R902 C604 R996 R901 R633 R997 R952 R998 R951 R947 R948 R653 R655 R657 R659 R661 R664 R663 R762 C904 R876 R177 Q872 R178 C177 R832 R831 R834 R836 R962 R963...
  • Page 18 KRF-V6200D/V7200D PC BOARD SURROUND BACK SURROUND CENTER X09-7032-72 A/2 (J75-0112-11) C109 C108 R269 C247 R270 C248 D319 R110 D321 C106 C107 W126 W800 R532 R801 W101 R518 W121 W102 R363 R113 C522 W103 C524 Q506 D520 W215 D519 D523 R311...
  • Page 19 KRF-V6200D/V7200D SPEAKER B SPEAKER A 112-11) W177 C243 C245 R267 R265 C246 C244 R268 R259 R261 W237 R263 D317 D318 D316 W173 R339 D312 W182 W214 R108 R331 Q308 C304 D308 R109 R329 C308 C104 R105 R322 C306 R327 R103...
  • Page 20 KRF-V6200D/V7200D PC BOARD X14-8052-72 A/5 (J75-0114-21) C121 C118 R153 D102 STANDBY GND(FL) X101 4.000MHz Q102 R127 IC101 R124 R123 ED101 S103 -VFL(-30V) STANDBY Q101 +5.0V W103 W104 D103 ACTIVE EQ D104 D106 D110 DOLBY SPEAKER B Q104 Q105 Q103 Q107...
  • Page 21 KRF-V6200D/V7200D CN101 W129 C118 R145 +3.3V R144 R143 R142 C101 R106 A101 C102 C103 C106 IC101 (LED,REM) W122 W123 R107 REM OUT W125 W124 W126 R164 C132 C104 C120 R122 R146 R140 C109 R139 R150 C105 Q106 R149 W111 W110...
  • Page 22 KRF-V6200D/V7200D (X08-3492-71) (A/2) L596 J595 C596 COAXIAL INPUT +4.9V +4.9V +4.9V C725 IC721 A592 2.5/3.3V R593 OPTICAL INPUT CD/DVD R592 VOUT A591 OPTICAL INPUT VIDEO 2 R591 VOUT ANALOG R624 100K C602 100P DIGITAL R623 100 REMOCON R700 100 LED6(SPB)
  • Page 23 KRF-V6200D/V7200D +4.9V 3.3V R744 3.3V IC741 IC731 +3.4V C741 100P 3,13-15 R651 100 DIR PDN R653 22K R652 100 F.AUX KEY R655 22K R654 100 VOL ENC A R657 22K R656 100 VOL ENC B X761 IC761 C774 R735 100K DIST 4.332MHz...
  • Page 24 KRF-V6200D/V7200D +4.9V +4.9V CODEC IC401 192kHz DIGITAL AUDIO TRANSCEIVER IC402 AUDIO SDOS C457 MCLK X'TAL SMUTE 10u50 DATT OSCILLATOR CLOCK CLOCK R405 160 BICK RECOVERY GENERATOR BICK uP I/F LRCK C458 R406 120 LRCK DATT R451 C451 MCKO1 LRCK INT1...
  • Page 25 KRF-V6200D/V7200D DVD 6ch. DVD 6ch. +4.9V +4.9V J341 J331 R339 C422 R422 C434 10u50 C435 C421 R421 100u10 10u50 C331 C332 220P 220P C346 C345 C341 C342 220P 220P 220P 220P R337 R338 DZF2 C337 C338 R348 R347 R343 R344...
  • Page 26 KRF-V6200D/V7200D C118 1800P VD 6ch. VIDEO2 S.W.AMP C113 2200P R114 33K IC111 J311 J301 C115 (1/2) C101 R113 1u50 C105 R319 R309 4.7u50 IC111 IC101 C103 10P (2/2) (1/2) R103 10K R104 10K C331 C332 IC101 C355 C356 C351 C352...
  • Page 27 KRF-V6200D/V7200D +3.3V Q861 D862 1800P R863 R861 2.2K 2200P C361 R361 R364 R363 J361 10u50 Q361 Q363 WOOFER CONTROLLER R851 R853 IC900 Q851 D852 2.2K C111 PRE OUT 2/2) C900 C944 USBXTAL C371 R371 R377 R375 1000P 10u50 Q371 Q373...
  • Page 28 D801,811 : UDZS5.6B RECORDING LINE KRF-V6200D/V7200D (1/3) D815,821 : UDZS3.9B vo l t m e t e r w i t h n o s i g n a l i n p u t . T h e...
  • Page 29 KRF-V6200D/V7200D 17.6mV (X09-7032-72) (A/2) MUTE D204 SBL/L 1.2K C218 40mA C236 R214 3K 220P Q218 220P SBL/L R210 C210 R246 1500P OFF- Q210 Q216 1.2K C208 8P Q208 BIAS C222 C206 Q202 Q204 100u10 C220 VR2 220 R222 R226 SBR/R 1.2K...
  • Page 30 KRF-V6200D/V7200D 17.6mV DRIVER 40mA MONO DRIVER DRIVER DRIVER Q222 R258 BIAS CIRCUIT 40mA Q309 R349 C102 C103 R357 470P 390P 470P 390P 390P 470P R103 R362 R358 Q221 Q310 Q312 R257 R350 R355 0.22 R359 Q313 R363 R102 100K 100K 0.22...
  • Page 31 T h e m e a s u r e m e n t v a l u e m a y R331 337,338,525,700,701,801,803 517,702,703 22,800 +12V vary depending on the measuring 3.3K 4.7K +12V GND 5 12.0V instruments used or on the product. 12V+B IN OUT 1.8K 5.6K KRF-V6200D/V7200D (2/3) X09-7032-72 (3/3)
  • Page 32 KRF-V6200D/V7200D (X14-8052-72) (A/5) 11-MT-143GNK ED101 (SW) (LS) (BS) (RS) (9G-2G) -23.6V BAND STAND D101 S107 S103 col (4G) SPEAKER ACTIVE SETUP A/B/OFF S105 S109 S112 C107 C110 0.01 0.01 C108 C111 0.01 0.01 LISTEN INPUT PURE -22.8V Dp (4G) MODE...
  • Page 33 KRF-V6200D/V7200D X08- A/2- CN604 WH402 1 2 3 4 5 6 7 CN101 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27...
  • Page 34 : AC230V~ 50Hz BIAS C701 C718 0.01 CH2IN3 BIAS C719 CH3IN3 1u50 BIAS BIAS C714 0.01 R706 C715 470u10 C710 0.01 R705 C711 470u10 SIGNAL LINE GND LINE C706 0.01 R704 B LINE B LINE C707 470u10 KRF-V6200D/V7200D (3/3) X14-8052-72 (3/3)
  • Page 35 A591 A592 J595 J361 J341 J331 J311 J301 OPTICAL OPTICAL COAXIAL SUB WOOFER CENTER SURROUND FRONT PLAY IN PLAY IN REC OUT PLAY IN REC OUT CD/DVD AUX (BLK/SLV) VIDEO2 CD/DVD DVD/6CH SUB WOOFER VIDEO2 VIDEO1 MD/TAPE DVD/6CH IN J601 J602 J501 J701/J702...
  • Page 36 Desti- Add- Desti- Parts No. Description Ref. No. Parts No. Description ress Parts nation marks ress Parts nation marks KRF-V6200D/KRF-V7200D W02-4609-05 TUNER ASSY SURROUND (X08-3492-70&-71) A01-3976-11 METALLIC CABINET,SILVER A01-3977-11 METALLIC CABINET,#3976BLAC ✽ A60-2510-01 PANEL,#2508-S E1X1 C11,12 CD04BJ1H100M ELECTRO 10UF 50WV ✽...
  • Page 37 ✽ 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 38 ✽ 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 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 ✽ 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 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 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. Add- Desti- Ref. No. Parts No. Description ress Parts nation marks D101 MTZJ6.2 (B) ZENER DIODE...

  • Page 48: Specifications

    KRF-V7200D : CD/DVD .. 20 Hz – 80 kHz, +0 dB – –3.0 dB AM tuner section KRF-V6200D : CD/DVD .. 20 Hz – 70 kHz, +0 dB – –3.0 dB Tuning frequency range ......531 kHz – 1,602 kHz Signal to noise ratio (IHF’66)

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