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Kenwood KRF-V7070D Service Manual

Audio video surround receiver
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AUDIO VIDEO SURROUND RECEIVER
KRF-V7070D/V7070D-S//V8070D
KRF-V8070D-S/X9070D/X9070D-S
VR-7060/7070/7080

SERVICE MANUAL

Panel *
(A60-)
STANDBY
ON/STANDBY
A SPEAKERS B
LOUDNESS SPEAKER EQ ACTIVE EQ
POWER
DVD/6CH
CD/DVD
ON
OFF
PHONES
VIDEO 1
VIDEO 2
Knob(BUTTON) *
(K27-)
Phone jack
(E11-0271-05)
Cylindrical receptacle
(E56-0042-05)
Tuner ass'y *
Miniature phone jack
(W02-)
(E11-0293-05)
SYSTEM CONTROL
ANTENNA
AM
GND
VIDEO
OUT
75
FM
IN
IN
REC OUT
PLAY IN
REC OUT
REC OUT
GND
PHONO
CD/DVD
MD/TAPE
Pin jack
(E63-1317-05)x2
Pin jack
(E63-1293-05)x2
Illust. is KRF-V7070D.
* Refer to parts list on page 29 .
Knob ass'y *
(K29-)
DSP
DOLBY DIGITAL
SPEAKER EQ
DTS
ACTIVE EQ
CSII
DSP
STEREO INPUT MODE DIMMER
PHONO
TUNER
SOUND TONE SETUP
VIDEO 3
MD/TAPE
BAND
AUTO MEMORY
Dressing panel *
(A21-)
Pin jack
(E63-1080-05)
Optical receiving module
(W02-2731-05)
Cylindrical receptacle
(E56-0040-05)
COAXIAL
OPTICAL
CD/DVD
VIDEO 2
DVD/6CH
DIGITAL IN
S VIDEO
S VIDEO
VIDEO
DVD
MONITOR
VIDEO
IN
IN
IN
IN
VIDEO
OUT
VIDEO
+
PLAY IN
PLAY IN
PLAY IN
CENTER
SUB WOOFER
-
PLAY IN
PLAY IN
PLAY IN
FRONT
SURROUND
SUB WOOFER
SURROUND BACK
VIDEO 1
VIDEO 2
VIDEO 3
DVD/6CH.INPUT
PRE OUT
Pin jack
Pin jack
(E63-1317-05)x2
(E63-1248-05)
Pin jack
(E63-1247-05)
Front glass *
(B10-)
MULTI CONTROL
LISTEN MODE
Knob *
(K29-)
Metallic cabinet *
(A01-)
SPEAKERS(8-16)
FRONT A
CENTER
SURROUND
RED
WHITE
GREEN
R
GRAY
BLUE
+
-
-
+
-
-
R
L
R
FRONT B
Lock terminal board
(E70-0161-05)
Screw terminal board
(E70-0150-05)
Knob ass'y *
Knob(VOLUME) *
(K29-)
(K29-)
VOLUME CONTROL
DOWN
UP
MUTE
AV AUX
S VIDEO
VIDEO
L-AUDIO-R
Pin jack
(E63-1251-05)
Cylindrical receptacle
(E56-0033-05)
AC power cord *
(E30-)
L
AC OUTLETS
+
+
L
SWITCHED TOTAL
150W 1.25A MAX.
AC outlet *
(E03-)
AC power cord bushing
(J42-0349-05)
70%

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  Summary of Contents for Kenwood KRF-V7070D

  • Page 1: Service Manual

    AC outlet * Pin jack Pin jack Pin jack (E70-0161-05) (E03-) (E63-1317-05)x2 (E63-1317-05)x2 (E63-1248-05) Pin jack Pin jack Screw terminal board AC power cord bushing (E63-1293-05)x2 (E63-1247-05) (E70-0150-05) (J42-0349-05) Illust. is KRF-V7070D. * Refer to parts list on page 29 .
  • Page 2: Accessories / Cautions

    KRF-V7070D/V8070D/X9070D/VR-7060/7070/7080 ACCESSORIES / CAUTIONS Accessories RF remote antenna (1) FM indoor antenna (1) AM loop antenna (1) Batteries (R6/AA) (2) Refer to the table on this page below. (T90-0877-05) (T90-0893-05) There is a different shape of remote control in every area.
  • Page 3: External View

    KRF-V7070D/V8070D/X9070D/VR-7060/7070/7080 EXTERNAL VIEW / ADJUSTMENT EXTERNAL VIEW Knob Panel * Knob ass'y * Front glass * Knob ass'y * Knob * (K29-8107-02) (A60-) (K29-) (B10-) (K29-) (K29-) VOLUME CONTROL POWER STANDBY DOLBY DIGITAL SPEAKER EQ ON/STANDBY ACTIVE EQ CS II...
  • Page 4 POWER TRANSFORMER MD/TAPE (L07-3138-05) : VR-7060 SPEAKERS PLAY (L07-3240-15) : VR-7070/7080 FRONT B (L07-3241-05) : KRF-X9070D(Y) TYPE DVD/6ch (L07-3251-05) : KRF-X9070D/-S(E)TYPE DSP UNIT (L07-3252-05) : KRF-V7070D/V7070D-S EXCEPT CD/DVD (X08-3130-10) KRF-V8070D/V8070D-S KRF-V7070D/-S (X09-6760-10) (Y) TYPE VIDEO 1 ONLY COAXIAL IN DESTINATION MODEL NAME UNIT No.
  • Page 5: Pc Board (Component Side View)

    PC BOARD (Component side view) SPEAKERS CENTER FRONT A SPEAKERS FRONT B DVD/6CH INPUT CENTER VIDEO 3 VIDEO 2 VIDEO 1 MD/TAPE CD/DVD PHONO PLAY IN PLAY IN PLAY IN REC OUT PLAY IN REC OUT PRE OUT WOOFER SURROUND FRONT X09-6760-10 A/5 (J70-1676-01)
  • Page 6 PC BOARD (Component side view) X14 H/11 X14 C/11 X14 E/11 X14 D/11 X14 K/11 C403 C402 W105 S733 S732 WH20 W142 SP-B CN46 W106 SP-A CN41 W107 W140 C405 W113 IC402 STANDBY W116 C401 S731 X14 B/11 W119 CN80 S VIDEO VIDEO AUDIO...
  • Page 7 PC BOARD (Component side view) COMPONENT VIDEO VIDEO3 IN DVD IN MONITOR OUT X14 J/11 X25-6490-10 A/2 IR IN IR REPEATER (J70-1574-72) J102 J201 J101 J202 R216 C204 R213 C212 R214 C213 W141 C215 Q201 C112 C111 C206 Q204 D201 C123 D202 Q202...
  • Page 8 (X08-3130-10) C154 +3.3V +3.3V +3.3V 2.5V C153 1000P 96kHz 24Bit DIR IC11,21,31,41 +12V R542 12.2V 600uH 4700P L.P.F. DVDD CDTO C105 96KHz DVSS CDTI SWITCHING 1800P 2.5V IC11 C20 0.01 C101 R101 TVDD CCLK (1/2) COAXIAL IN R111 10u50 2.2K R105 R543 600uH...
  • Page 9 VR-7070 CANADA U.S.A. VR-7060 0-11 YES NO 27W40180N6905 CANADA KRF-V7070D/V7070D-S (1/4) KRF-V8070D/V8070D-S (1/4) KRF-X9070D/X9070D-S (1/4) VR-7060/7070/7080 (1/4) CAUTION: For continued safety, replace safety critical com- ponents only with manufacturer's recommended parts (refer to parts list). indicates safety critical components. For continued protection against risk of fire, replace only with same type and rating fuse(s).
  • Page 10 (X09-6760-10) (A/5) (X09-6760-10) DESTINATION C64,65, C74,75, C82,83, C84,85, C90,91,139, C92,93,141, C143, C227, MODEL NAME UNIT No. C190 C192 140,189 142,191 COUNTRY ABB. KRF-V7070D-S EUROPE 2-73 3.3u50 100u25 22u50 0.22 KRF-V7070D EUROPE KRF-V8070D-S EUROPE 2-72 3.3u50 100u25 22u50 0.22 0.22 KRF-V8070D...
  • Page 11 ∗ (X09-6760-10) (A/5) CN10 CN11 CN12 CN13 CN14 CN15 10u50 R362 470 R363 470 R407 470 R388 470 PHONO EQ AMP PROTECTION PROTECTION PROTECTION PROTECTION 10u50 C6 220P C5 220P Q354 Q353 Q357 Q356 R4 30K R3 30K Q12,14 Q11,13 Q51,53 Q32,34 ∗...
  • Page 12 15 14 13 HI-TAP ON : -61.3V HI-TAP OFF : -55.3V ON : -61.3V Q306 R322 OFF : -55.3V ∗ 1 1/4W R317 Q305-308,313 TAP RLY C321 10P LIMITER CONT. KRF-V7070D/V8070D/X9070D/VR-7060/7070/7080 X14-A/11- X14-A/11- WH92 WH91 BF-5 BF-6 VR-7060/7070/7080/KRF-V7070D/V7070D-S (2/4) KRF-V8070D/V8070D-S/X9070D/X9070D-S (2/4) Y05-4700-10...
  • Page 13 IC402,404 : NJM4565D-D Q401,402,409 DTA124ESA or RD5.1ES(B) 47u25 KRF-X9070D 2-72 UN4112 CN304 CN302 U.S.A. J301 VR-7080 0-14 CANADA (X25- ) (B/2) : EXCEPT KRF-V7070D/-S WH1-1 WH1-2 U.S.A. VR-7070 0-14 C111 CANADA 47u25 U.S.A. Q401 VR-7060 0-13 CANADA +12V C316 C112 SUR.
  • Page 14 IC45 BAO5T D201 MTZJ20(B) or (X14- ) (G/11) IC65 LA79510M RD20ES(B) ∗ IC74 BU2090 D202 MTZJ30(B) or WH66 X25-A/2- IC78 LC75711NED RD30ES(B) (X14- ) (C/11) CN101 IC79 XC6202P502PR D401 D2SBA20F03 IC81 BU1923 D451,452,454,501-504, R733 S733 +5.1V +5.1V R663 75 IC83,84 7.5K (X14-7630-10) (A/11) S-80840CNY...
  • Page 15 X25-A/2-CN202 X08-CN4 X08-CN5 A - 5 A - 4 AT-5 ED78 4 5 6 7 8 9 10 11 12 13 1 2 3 4 5 ∗ ∗ (X14-7630-10) (A/11) WH89 WH88 WH86 WH87 3 4 5 AD KEY GET 3 R801 R901 D805...
  • Page 16 D452 R451 RECORDING LINE U.S.A. VR-7070 0-10 FLAC CANADA SIGNAL LINE U.S.A. X08 MVDD GND LINE VR-7060 0-11 CANADA POWER RLY B LINE C104 5V MINI B LINE 100P D GND KRF-V7070D/V8070D/X9070D/VR-7060/7070/7080 FAST OFF1 7 VR-7060/7070/7080/KRF-V7070D/V7070D-S (4/4) KRF-V8070D/V8070D-S/X9070D/X9070D-S (4/4) Y05-4700-10...
  • Page 17: Exploded View (Unit)

    KRF-V7070D/V8070D/X9070D/VR-7060/7070/7080 EXPLODED VIEW (UNIT) ED 78 SPEAKER ACTIVE INPUT MUTE LOUDNESS STEREO MODE DIMMER S716 S709 S710 S711 S712 S713 S714 S715 MULTI LISTEN DVD/6CH CD/DVD PHONO TUNER SOUND TONE SET UP S717 CONTROL MODE S724 S701 S702 S703 S704...
  • Page 18 SYSTEM OPTICAL OPTICAL OPTICAL COAXIAL CONTROL CD/DVD VIDEO 3 MONITOR J800 VIDEO 3 IN DVD IN MONITOR OUT J101 J102 X08-313 SUB WOOFER X25-649 J 3 0 3 PRE OUT J 3 0 2 SPEAKERS X14 D/11 J 3 0 1 φ3x14 N09-3139-05 X09 B/5...
  • Page 19 B12-0441-04 INDICATOR K6P6 A21-3982-12 DRESSING PANEL E9K8P8 3A,2D B12-0442-04 INDICATOR A21-3982-12 DRESSING PANEL K7P7Y1 2A,2C B43-0314-04 KENWOOD BADGE A21-3983-12 DRESSING PANEL E1E2E3 A22-1873-01 SUB PANEL ASSY E7E8 E30-2941-05 AC POWER CORD K6K7K8 A22-1873-01 SUB PANEL ASSY E9K8P8 E30-2941-05 AC POWER CORD...
  • Page 20 ✽ 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 21 ✽ 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 22 ✽ 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 23 ✽ 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 24 ✽ 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 ✽ 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 ✽ 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 ✽ 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 DIODE MF-R090 THERMISTOR D652 HSS104A DIODE D652 1SS133 DIODE A791 W02-2769-05 ELECTRIC CIRCUIT MODULE D655,656 MTZJ5.6(B) ZENER DIODE SUB (X25-6490-13) EXCEPT KRF-V7070D/D-S D655,656 RD5.6ES(B) ZENER DIODE D776 MTZJ5.1(B) ZENER DIODE C101-109 CC45FSL1H221J CERAMIC 220PF D776 RD5.1ES(B) ZENER DIODE C110-115 CE04LW1E470M...
  • 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: Parts List

    KRF-V7070D/V8070D/X9070D/VR-7060/7070/7080 PARTS LIST MODEL ABBRI. SURROUND AUDIO DISPLAY KRF-V7070D Y05-4682-70 X08-3130-10 X09-6762-73 X14-7632-73 KRF-V7070D-S Y05-4682-71 X08-3130-10 X09-6762-73 X14-7632-73 VR-7060 Y05-4690-10 X08-3130-11 X09-6760-11 X14-7630-11 X25-6490-13 VR-7060 Y05-4691-01 X08-3130-11 X09-6760-11 X14-7630-11 X25-6490-13 KRF-V8070D Y05-4692-71 X08-3130-11 X09-6762-72 X14-7632-72 X25-6490-13 KRF-V8070D-S Y05-4692-72 X08-3130-11 X09-6762-72...
  • Page 31: Specifications

    Coaxial ..............0.5 Vp-p / 75 Ω Notes 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without no tice. 2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).
  • Page 32 Optical ......(–21 dBm ~ –15 dBm) , 660 nm ±30 nm Notes 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without no tice. 2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).