Kenwood KRF-V7030D Service Manual
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Kenwood KRF-V7030D Service Manual

Kenwood audio video surround receiver
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See also: Instruction Manual
AUDIO VIDEO SURROUND RECEIVER
KRF-V7030D/V7030D-S
KRF-V8030D/V8030D-S
VR-407/409

SERVICE MANUAL

STANDBY
POWER
ON/STANDBY
PHONES
Phone jack
(E11-0272-05)
Cylindrical
receptacle 3Px2
(E56-0011-05)
Pin jack 6P
(E63-1139-05)
PLAY IN
REC OUT
S-VIDEO
DVD
VIDEO 1
L
R
AM
FRONT
SURROUND SUB WOOFER
DVD/6ch INPUT
GND
L
FM
75
R
GND
REC OUT
PHONO
CD/DVD
MD/TAPE1
Lock terminal board
(E20-0321-05)
Illustration is KRF-V7030D E type.
* Refer to parts list on page 39.
Front glass *
(B10-)
MULTI CONTROL
DTS
SET UP
SOUND
A SPEAKERS B
BAND
Knob
(K29-7681-14)
Pin jack
(E63-1142-05)
Pin jack
(E63-1080-05)
PLAY IN
REC OUT
PLAY IN
PLAY IN
VIDEO 1
VIDEO 2
VIDEO 3
MONITOR
CENTER
DVD
CD/DVD
VIDEO 3
OPTICAL
OPTICAL
VIDEO 2
COAXIAL
VIDEO
DIGITAL IN
PLAY IN
REC OUT
PLAY IN
REC OUT
PLAY IN
PLAY IN
PLAY IN
SUB WOOFER PRE OUT
MONITOR
VIDEO 1
VIDEO 2
VIDEO 3
AUDIO
Pin jack x2
Pin jack
(E63-1143-05)
(E63-1144-05)
Optical receiving module
(W02-2716-05)
Knob
(K29-7678-04)
DOLBY
DIGITAL
PROLOGIC
3 STEREO
DOWN MIX
INPUT SELECTOR
INPUT MODE
DIMMER
MONITOR
SOURCE DIRECT
AUTO
MEMORY
Knob
Knob
(K29-7675-12)
(K29-7681-14)
Miniature phone jack
(E11-0293-05)
Metallic cabinet
(A01-3731-01)
FRONT SPEAKERS
CENTER SPEAKERS
FRONT SPEAKERS
RED
(8 – 16 )
BLUE
(8 – 16 )
GREEN
+
+
SYSTEM CONTROL
–
SURROUND SPEAKERS
Screw terminal board
(E70-0049-05)
Pin jack
(E63-1146-05)
© 2000-2/B51-5598-00 (K/K) 3473
Panel
(A60-1744-12)
VOLUME CONTROL
DOWN
UP
S-VIDEO
AV AUX
VIDEO
L – AUDIO – R
Pin jack *
(E63-)
Cylindrical receptacle
(E06-0709-05)
Power cord bushing
AC power cord *
(J42-0083-05)
(E30-)
(8 – 16 )
AC OUTLET
–
–
+
(8 – 16 )
Lock terminal board
AC outlet *
(E70-0065-05)
(E03-)
70%

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Summary of Contents for Kenwood KRF-V7030D

  • Page 1: Service Manual

    Pin jack x2 Pin jack Screw terminal board Lock terminal board AC outlet * (E20-0321-05) (E63-1143-05) (E63-1144-05) (E70-0049-05) (E70-0065-05) (E03-) Optical receiving module Pin jack (W02-2716-05) (E63-1146-05) Illustration is KRF-V7030D E type. * Refer to parts list on page 39.

  • Page 2: Table Of Contents

    KRF-V7030D/V8030D/VR-407/409 CONTENTS / ACCESSORIES Contents CONTENTS / ACCESSORIES ........2 SCHEMATIC DIAGRAM .......... 17 BLOCK DIAGRAM ............3 EXPLODED VIEW ............37 CIRCUIT DESCRIPTION ..........4 PARTS LIST..............38 ADJUSTMENT ............11 SPECIFICATIONS ............51 PC BOARD .............. 12 Accessories *AC plug adaptor (1) FM indoor antenna (1)
  • Page 3 USED VR-407/407-S/409/KRF-V7030D/V7030D-S/V8030D/V8030D-S/V3030D (X08) VIDEO2 (X08) (VIDEO2/MONI.) COXIAL DIGITAL IC51 DIGITAL 6ch INPUT AUDIO VIDEO1 COXIAL RECEIVER AK4527 VIDEO3 x0.5 AK4110 LS/RS OPTICAL CODEC (ADC&DAC) CD/DVD OPTICAL VIDEO2 6ch E. VOL with 2ch MONI. TONE CONT. ANALOG 6ch OPTICAL INPUT SELECTOR...

  • Page 4: Krf-V7030D/V8030D/Vr

    KRF-V7030D/V8030D/VR-407/409 CIRCUIT DESCRIPTION This unit works backup by microprocessor if power is off. The Monitor no/off microprocessor carries out the power-off-checking by 1ms. It MD/TAPE mode sets up the initialized data if the backup data is destroyed. Video2/Monitor mode Also plug in and out the power cord from the outlet with b)Surround function pressing the power switch for initialization.

  • Page 5: Circuit Description

    KRF-V7030D/V8030D/VR-407/409 CIRCUIT DESCRIPTION 3-2 Pin description Pin No. Pin Name Description S. DATA Serial data signal. S.BUS Serial busy signal. SEL. ST1 Strobe output to input selector ( IC106). SEL/VOL/PLL DT Data output to selector,volume and PLL IC. SEL/VOL/PLL CLK Clock output to selector,volume and PLL IC.
  • Page 6 KRF-V7030D/V8030D/VR-407/409 CIRCUIT DESCRIPTION Pin No. Pin Name Description POWER RE Power relay control. CS5. 1(DOWN MIX)LED Control terminal of CS5.1(DOWN MIX) LED. 3 STEREO LED Control terminal of 3 STEREO LED. DTS LED Control terminal of DTS LED. DOLBY DIGITAL LED Control terminal of DOLBY DIGITAL LED.
  • Page 7 KRF-V7030D/V8030D/VR-407/409 CIRCUIT DESCRIPTION 3-4 Switch control table 3-4-1 IC106(X07) INPUT/REC OUT SELECTOR:NJU7313AM INPUT SELECTOR MODE TAPE MON ATT. L-ch R-ch FRONT ATT1 ATT2 Function TUNER PHONO CD TAPE/MD VIDEO1 VIDEO2 VIDEO3 ANALOG DIGITAL ON pin# pin# (-6dB) (-3dB) TUNER PHONO...
  • Page 8 KRF-V7030D/V8030D/VR-407/409 CIRCUIT DESCRIPTION 3-4-4 DESTINATION VR-409 VR-407 VR-406 VR-405/VR-414 KRF-V8030D KRF-V7030D KRF-V6030D KRF-V5030D PORT M/V/I/ M/V/I/ M/V/ M/V/ PORT# NAME 3-4-5 Listen Mode Mode Dolby Digital Pro Logic 3 Stereo Stereo Dolby Digital (no2-ch) Dolby Digital (2-ch) Pro Logic Note: Auto Mode function is not change after setting listen mode...
  • Page 9 KRF-V7030D/V8030D/VR-407/409 CIRCUIT DESCRIPTION 3-4-7 Speaker Setup Subwoofer Front SP. Large Center SP. Large Normal Surround SP. Large Normal Normal(yes) Normal(yes) Center Mode Wide Wide Normal Phantom (Pro Logic) Subwoofer Front SP. Normal Center SP. Normal(yes) Surround SP. Normal(yes) Normal(yes) Center Mode...
  • Page 10 KRF-V7030D/V8030D/VR-407/409 CIRCUIT DESCRIPTION 4-2 S LEVEL indication(only E/T TYPE) Operation key DISPLAY Function MEMORY key ATT_ON_HEX DATA RF ATT ON Cyclic function The signal level of tuner ATT_ON_HEX DATA RF ATT OFF The signal level of tuner Normal indication Normal function...

  • Page 11: System Connections

    KRF-V7030D/V8030D/VR-407/409 ADJUSTMENT OUTPUT RECEIVER ALIGNMENT N o . I T E M INPUT SETTINGS ALIGN FOR F I G . S E T T I N G S S E T T I N G S P O I N T S...

  • Page 12: Pc Board

    PC BOARD (Component side view) X07-3120-10 C/3 (J70-1362-11) X07-3130-10 C/3 (J70-1412-11) R601 CN64 R610 C604 PRIMARY IC601 CN61 IC602 C603 D608 CN63 CN62 C606 D601 D602 C602 R602 D603 Q601 CN66 R605 R606 125V u-COM +5.4V CN69 W250 CN65 250V T2.5A K601 X07 B/3...

  • Page 13: Schematic Diagram

    PC BOARD(Component side view) FRONT SPEAKERS CENTER SPEAKER AUDIO X07-3120-10 A/3 (J70-1362-11) PRE OUT X07-3130-10 A/3 (J70-1412-11) VIDEO1 VIDEO2/MONITOR MD/TAPE VIDEO3 VIDEO2 SURROUND WOOFER FRONT PLAY IN PLAY IN PLAY IN REC OUT PLAY IN REC OUT PLAY IN REC OUT CD/DVD PHONO FRONT...
  • Page 14 PC BOARD(Component side view) DVD/6CH.INPUT DIGITAL IN DIGITAL CENTER X08-3010-00 A/3 MONITOR VIDEO3 CD/DVD (J70-1363-11) VIDEO VIDEO2 WOOFER SURROUND SYSTEM CONTROL S-VIDEO VIDEO1 C601 R601 MONITOR VIDEO3 VIDEO2 C610 R611 C607 PLAY IN PLAY IN PLAY IN REC OUT C603 FRONT X08 B/3 R607...
  • Page 15 TUNER UNIT (X07-31XX-XX) (B/3) FM TUNED 1000P Q203 0.01 0.01 330P [0.6V] FM DET/MPX AM DET 10u16 IC201 0.01 100K Q204 10u16 4.3V 2.8V AM RF DE-EMPHASIS 75uS: ON D201 50uS: OFF DECODER 50uS ANTI-BIRDIE [75uS] RF.AMP P-DET STEREO BUFF MUTE AM IF (K,P,M,I,X,Y) TYPE...

  • Page 16: Parts List

    LA1837 F10-1129 list below. The measurement value may vary depending on the measuring instru- CANADA ments used or on the product. The value shown in ( ) is actual reading measured in KRF-V7030D-S (X07-313X-XX) the AM mode. DESTINATION R27, R72,...
  • Page 17 (X07-31XX-XX) (A/3) IC110-112 11.8V 20dB AMP +12V +12V +12V IC105(1/2) R105 Q3,4,9,10,15,16 C115 R115 IC110(1/2) 4.7u35 MUTING IC101 C153 R237 (PRE OUT) 10u50 2.2K POWER AMP (AUDIO) R167 C149 LSch R173 (LS,RSch) R107 C111 C113 R355 1.8K 47u25 R171 C103 0.012 3300P MM: 2.5V...
  • Page 18 IC103 KIA7812API D102 S1ZB20 (4101) 37.0V IC104 KIA7912PI D103 D103 IC105 NJM4580ED D104 MTZJ16(B) or IC106,109 NJU7313AM HZS16N(B2) POWER TRANSFORMER KRF-V7030D-S(X) +12V IC107,108,110-12 NJM4565M D105 MTZJ15(B) or KRF-7030D(E,T) HZS15N(B2) 8.0V VR-407/407-S(K,P) Q1,2,7,8,13,14 2SC2785(F,E) or D106,107,111-115,121,127-130 2SC1740S(Q,R) MA111 KRF-V3030D(J) -37.0V Q3-6,9-12,15,16...
  • Page 19 S76-0042 1.8K 1SS133 or F50-0077 E03- S76- L07-2758 or U.S.A. 0-10 2 Rch HSS104A 0148 0099 1/4W 1/4W 1/4W L07-2761 KRF-V7030D (X07-313X-XX) DESTINATION C173,174, C231, C233, R187,188,233, R195-198,239- D125 UNIT No. D103 D108 D109 D110 K1-4 KRF-V7030D (X07-313X-XX) 203,204,218, 234,262...
  • Page 20 (X08-301X-XX) (A/3) (X08-301X-XX) (B/3) DVD 6ch INPUT LSch R251 Lch 1 R662 68 +3.3V C654 47u25 C658 47u25 R252 Rch 2 R666 68 +3.3V R661 68 R255 LSch 3 C653 0.01 INVERTER C657 0.01 3.3V R665 68 R256 S VIDEO R657 82 RSch 4 1000P...
  • Page 21 (X08-301X-XX) (A/3) IC14 ANALOG 6ch INPUT SELECTOR R121 10K +3.3V +3.3V +3.3V +3.3V DIGITAL R217 C59 0.01 AUDIO 5.6K 3.3V RECEIVER -11.9V C121 22P 9.1K 0.01 -11.9V 5.0V 3.3V R123 10K 100K IC12 IC14 DIGITAL R125 R127 2.4K SIGNAL IC13 (1/2) CONFIG.2 +12V C126...
  • Page 22 R428 R633,634 C209 COUNTRY ABB. 434,635,636 U.S.A. C183 0-12 100 1W 0.015 0.33 CANADA R165 750 +7.1V 5.4V R166 KRF-V7030D-S (X08-301X-XX) 2.7K DESTINATION UNIT IC43, R37,38, C163, C165, ELECTRIC R428 R633,634 R635,636 C209 COUNTRY ABB. 433,434 VOL./ TONE GENERAL MARKET...
  • Page 23 (X14-7XXX-XX) (A/6) DSP/DIR CD OUT DSP/DIR/CODEC CD IN DSP/DIR/CODEC CCLK DIR/CODEC CS CP502 100Kx3 DSP CS DSP PD X08-A/3 DSP INTREQ -CN2 ABOOT DIR/CODEC PD DIR ERR CP501 100Kx5 R98 100K DDET LIMITER VOL. ST C36 47P SEL/VOL DT REAR RE. SEL ST1 SEL/VOL CLK C57 220P...
  • Page 24 W40, UNIT No. C49, COUNTRY ABB. 48,60,61 28-30,36 54,55, LISTEN SIGNAL LINE U.S.A. 0-12 330u6.3 SP. B MODE GND LINE KRF-V7030D (X14-709X-XX) B LINE B LINE DESTINATION C40, C42, C49, D13, D24, D25, R54, S17, W33, UNIT No. R11, W36, 108-115 26,.29...
  • Page 25 WOOFER (33p) LISTEN MODE INPUT SPEAKERS SOUND SOURCE DIRECT SELECTOR VIDEO1 MONITOR MD/TAPE CD/DVD PHONO MULTI CONTROL BAND AUTO MEMORY STANDBY KRF-V7030D/V8030D (21P) (MIX E,E1,T)type X07-312/313 X14- PHONES (A/3) (B/6) ON/STANDBY X14- (B/3) (D/6) (A/2) POWER ANTENNA X14- (B/2) (F/6)
  • Page 26 Ref. No Parts No. Description ress Parts nation marks marks ress Parts nation 1A,2A K29-7681-14 KNOB (MULTI/INPUT) KRF-V7030D/V8030D L07-2790-05 POWER TRANSFORMER A01-3731-01 METALLIC CABINET A09-1166-08 BATTERY COVER T90-0836-05 LEAD WIRE ANTENNA A09-1178-08 BATTERY COVER T90-0852-05 LOOP ANTENNA A46-0309-04 REAR COVER...
  • Page 27 L07-2789-05 POWER TRANSFORMER L07-2788-05 POWER TRANSFORMER T90-0836-05 LEAD WIRE ANTENNA T90-0836-05 LEAD WIRE ANTENNA T90-0852-05 LOOP ANTENNA T90-0852-05 LOOP ANTENNA VR-409/KRF-V8030D VR-407/407-S/KRF-V7030D/V7030D-S A01-3733-01 METALLIC CABINET A01-3733-01 METALLIC CABINET A09-1166-08 BATTERY COVER A01-3734-01 METALLIC CABINET MIXK1 A46-0309-04 REAR COVER A09-1178-08 BATTERY COVER...
  • Page 28 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 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 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 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 32 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 33 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 34 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 35 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 36 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 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 ABB. Australia Canada China England Europe Germany Korea Malaysia Add- Desti- Ref. No Description Parts No. marks ress Parts nation VR-407 KRF-V7030D HSS104A DIODE EE1TX 1SS133 DIODE EE1TX KRF-V7030D-S HSS104A DIODE VR-407-S HSS104A DIODE VR-409 1SS133 DIODE KRF-V8030D 1SS133 DIODE...

  • Page 39: Specifications

    Weight (Net) ................. 7.4 kg Notes 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. 2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).
  • Page 40 Weight (Net) ................. 7.4 kg Notes 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. 2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).

This manual is also suitable for:

Krf-v8030dKrf-v7030d-sKrf-v8030d-sVr-407Vr-409

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