Kenwood KRF-V5050D Service Manual
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Instruction Manual
AUDIO VIDEO SURROUND RECEIVER
KRF-V5050D/V5050DE/V5050D-S/V5550D-S/
KRF-V6050D/V6050D-S/V7050D/V7050D-S/
KRF-X9050D/X9050D-S
SERVICE MANUAL
Knob *
Knob(BUTTON) *
(K29-)
(K27-)
STANDBY
ON/STANDBY
POWER
ON
OFF
PHONES
Phone jack
(E11-0272-05)
Miniature phone jack
(E11-0293-05)
Pin jack
Pin jack
(E63-0127-05)
(E63-1139-05)
VIDEO 2 IN
CD/DVD
DVD
MONITOR
VIDEO 1
OUT
OUT
VIDEO 1 IN
VIDEO 3 IN
SYSTEM
CONTROL
L
75 s
AM 10kHz
FM 100kHz
R
50 s
AM 9kHz
REC OUT
GND
PHONO
CD / DVD
FM 50kHz
MD / TAPE
DE-
EMPHASIS
CHANNEL
SPACE
Slide switch
Pin jack x2
(S62-0034-05)
(E63-1143-05)
Illustration is KRF-V7050D(M).
* Refer to parts list on page 35.
Front glass *
(B10-)
DOLBY
MULTI CONTROL
DTS
DIGITAL
SET UP
INPUT MODE
SOUND
A SPEAKERS B
BAND
Knob *
Knob *
(K29-)
(K29-)
Pin jack
(E63-1080-05)
Optical receiving module
(W02-2802-05)
Cylindrical receptacle x2
(E56-0011-05)
ANTENNA
GND
PLAY IN
REC OUT
FM
AM
S VIDEO
75
CENTER
DVD
MONITOR
OUT
DVD
VIDEO 1
SUB
VIDEO 2
CD/DVD
VIDEO3
FRONT
SURROUND
WOOFER
COAXIAL
OPTICAL
OPTICAL
DVD / 6CH. INPUT
DIGITAL IN
PLAY IN
REC OUT
PLAY IN
REC OUT
PLAY IN PLAY IN
PLAY IN
SUB WOOFER
MONITOR
VIDEO 1
VIDEO 2 VIDEO 3
PRE OUT
AUDIO
Pin jack
(E63-1146-05)
Pin jack
(E63-1144-05)
PROLOGIC 3 STEREO
CS5.1
INPUT SELECTOR
DIMMER
MONITOR
LISTEN MODE
SOURCE DIRECT
AUTO/CINEMA EQ
MEMORY
Knob *
Knob *
(K29-)
(K29-)
Cylindrical receptacle
(E56-0033-05)
Metallic cabinet *
(A01-)
PLAY IN
PLAY IN
PLAY IN
VIDEO 1
VIDEO 2
VIDEO 3
FRONT SPEAKERS
CENTER SPEAKER
FRONT SPEAKERS
RED
(8 ~ 16 )
BLUE
(8 ~ 16 )
GREEN
(8 ~ 16 )
B
R
ORANGE
R
(8 ~ 16 )
A
R
L
C
SURROUND SPEAKERS
Screw terminal board *
Lock terminal board
(E70-)
(E70-0128-05)
© 2001-2/B51-5702-00 (K/K) 2148
Knob *
Panel *
(K29-)
(A60-)
VOLUME CONTROL
DOWN
UP
S VIDEO
V
AV AUX
L – AUDIO – R
Pin jack
(E63-1172-05)
AC outlet *
Slide switch
(E03-)
(S62-0001-05)
AC 220-
240V~
AC 110-
120V~
L
L
GRAY
AC OUTLETS
AC110-120V/220-240V
50/60Hz
SWITCHED
TOTAL 90W MAX.
AC power cord *
(E30-)
AC power cord bushing
(J42-0083-05)
70%
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Summary of Contents for Kenwood KRF-V5050D
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Page 1: Service Manual
AUDIO VIDEO SURROUND RECEIVER KRF-V5050D/V5050DE/V5050D-S/V5550D-S/ KRF-V6050D/V6050D-S/V7050D/V7050D-S/ KRF-X9050D/X9050D-S SERVICE MANUAL © 2001-2/B51-5702-00 (K/K) 2148 Knob * Knob(BUTTON) * Front glass * Knob * Panel * (K29-) (K27-) (B10-) (K29-) (A60-) VOLUME CONTROL DOLBY STANDBY MULTI CONTROL PROLOGIC 3 STEREO CS5.1 INPUT SELECTOR... -
Page 2: Contents / Accessories
KRF-V5050D/V5550D/V6050D/V7050D/X9050D CONTENTS / ACCESSORIES Contents CONTENTS / ACCESSORIES ........2 EXPLODED VIEW ............34 WIRING DIAGRAM .............3 PARTS LIST..............35 PC BOARD ..............9 SPECIFICATIONS ............48 SCHEMATIC DIAGRAM .......... 15 Accessories *AC plug adaptor (1) FM indoor antenna (1) AM loop antenna (1) - Page 3 KRF-X9050D-S (X07-329X-XX) KRF-V7050D-S (X07-3300-XX) KRF-V6050D (X07-330X-XX) KRF-V5050D (X07-330X-XX) KRF-V5550D-S (X07-333X-XX) DESTINATION DESTINATION DESTINATION DESTINATION DESTINATION UNIT No. UNIT No. UNIT No. UNIT No. UNIT No. COUNTRY ABB. COUNTRY ABB. COUNTRY ABB. COUNTRY ABB. COUNTRY ABB. GENERAL MARKET GENERAL MARKET EUROPE 2-72 U.K.
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Page 4: Circuit Description
KRF-V5050D/V5550D/V6050D/V7050D/X9050D CIRCUIT DESCRIPTION 1. Initial and Backup Function • FRONT speaker size LARGE 1-1 Initial State • CENTER speaker size NORMAL Below are set value if the microcomputer is initialized • SURROUND speaker size NORMAL when reset: • DISTANCE Fch 3.0m / 10ft (1) AMP function initialization 3.0m / 10ft... - Page 5 X14,ED2 11-MT-125GK X05,IC2(PLL) X07,IC8/11 RF-RC DEMODULATOR UNIT REMOCON KEY GET NJU7313AL LV2105V REMOCON1 STANDBY(S1) BAND(S13) SEL.DT,SEL.CLK,SEL.ST1, RFRCV.CS,RFRCV.DATA, REMOCON2 IR.SW SEL.ST2 RFRCV.CLK X14 FL DRIVER DTS.LED, UPD16311 DOL.DIG.LED,CS.LED, VR-509/510 only Din,Dout,STB,CLK THX.LED X08,IC51 DSP.LED CS493263 DSP1 DSP.INTREQ,DSP.CDIN, DSP.CDOUT,DSP.CCLK, DSP.CS,DSP.PD STANDBY.LED(D1) KEY GET X08,IC61 MAIN KEY ( KRF-X9050D/VR-510 only)
- Page 6 KRF-V5050D/V5550D/V6050D/V7050D/X9050D CIRCUIT DESCRIPTION 3-2 Pin Description of Microprocessor Pin No. Pin Name Description VREF Connected to ground. TH SENS Protection signal detection port for thermal sensor. PROT1 Protection signal detection port for over current. PROT2 Protection signal detection port for over voltage.
- Page 7 KRF-V5050D/V5550D/V6050D/V7050D/X9050D CIRCUIT DESCRIPTION Pi n No. Pin Name Description TUNER DIN Data output to PLL IC. TUNER CLK Clock output to PLL IC. TUNER CE Chip enable output to PLL IC. TUNER DOUT Data input from PLL IC. TUNER MUTE Mute signal output to PLL IC.
- Page 8 KRF-V5050D/V5550D/V6050D/V7050D/X9050D CIRCUIT DESCRIPTION 4. AK4112AVF u-com interface port Pin Name Pin No. Function Power Down Mode Pin When "L", the AK4112AVF is power down and reset. AUTO Non PCM Detect Pin "L":No detect, "H":Detect FS96 96kHz Sampling Detect Pin "H":fs=88.2kHz or more, "L":fs=54kHz or less.
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Page 9: Pc Board (Component Side View)
PC BOARD (Component side view) X35-2252-71 (J70-1468-02) X00-3000-23 (J70-1417-01) T2.5A 250V 110-120V 220-240V X08-3060-10 (J70-1459-32) C503 C603 IC42 IC51 IC61 R524 C606 IC41 C510 C610 C509 C501 C609 C601 CP91 CP92 CODEC C452 CP94 CP90 CP93 C462 C458 R453 IC46 C468 CP96 CP95... - Page 10 PC BOARD (Component side view) FRONT SPEAKERS A AUDIO CENTER SPEAKER DIGITAL IN FRONT SPEAKERS B SURROUND SPEAKERS X07-3292-71 VIDEO 3 VIDEO 2 VIDEO 1 MONITOR MD/TAPE PLAY PLAY (J70-1464-31) AC OUTLETS PLAY WOOFER PLAY PLAY CD/DVD PHONO PRE OUT C119 C118 C117...
- Page 11 PC BOARD (Component side view) X14-7252-71 A/8 (J70-1469-11) X14 H/8 J202 CN204 R296 CN201 CN401 MICRO COMPUTER & VIDEO PCB CP203 MONITOR B R235 R248 R236 R239 R419 R292 R238 R420 R237 R291 C417 W155 C424 R290 C203 CN202 W132 W237 J201 C539...
- Page 12 (X07-3XXX-XX) (A/4) W198 SURR.CH FRONT/CENTER CH 12.0V IC7(1/2) 4.7u50 0.012 3300P 10u50 270K PHONO C153 PHONO 270K 100P EQ AMP 10u50 0.012 3300P W201 4.7u50 -12.0V IC7(2/2) MD/TAPE C134 470P 12.0V R310 C105 11.7V R309 R136 470P 11.7V R318 R303 1K Q301 Q302 MD/TAPE...
- Page 13 (X07-3XXX-XX) (A/4) FRONT/CENTER CH FRONT/CENTER CH R321 1/4W 20.0V 150 1W 13.9V SP.A ON/OFF 2SA1534A 2SC3940A C155 100P 2SA992 C151 2SC1845 R228 100P 2SC2878 1/4W 3.8V SPEAKER A Q307 59.0V 1/4W -59.0V R149 4.7 1W 2SC2785 NJM4565D Q308 3.8V -65.2V Cch/SW ON/OFF -65.2V...
- Page 14 C90-3982-05 C90-3983-05 1.1K MTZJ8.2(B) or RD8.2ES(B) MTZJ16(B) or RD16ES(B) E70-0049-05 STK412-020A STK413-020A AUSTRALIA 0-72 180K 1/4W 180 1/4W MTZJ18(B) or RD18ES(B) E03-0325-05 L07-2785-05 KRF-V5050D (X07-330X-XX) DESTINATION C119, C142,14, R81,82,117, R132, R146,148,150, R315, D29, CN10, J5,6, W13, W198, UNIT No. C201,202...
- Page 15 X07-A/4 -CN5 (X08-30XX-XX) R263 100 R264 100 R251 R252 2.5V +2.5V +2.5V +2.5V +2.5V LSch 2.5V R255 C502 LSch C602 INPUT R256 RSch R1 5.6K R616 R516 C505 R259 C605 1000P C11 100P 1000P R618 R628 220 R528 220 C ch 4.7K SCDIN SCDIN...
- Page 16 (X08-30XX-XX) 12.0V +12V +12V +12V +12V +12V +12V 12.0V -12.1V C2 0.01 C109 C209 C309 4700P 4700P 0.01 C4 100P C110 C210 C310 R2 5.6K 100P 100P 100P C121 22P C12 100P R141 R142 R143 C111 C112 C211 C212 C311 C141 -12.1V R123 10K...
- Page 17 R916 10K 20dB AUSTRALIA 0-11 4.7u50 YES YES MUTE MALAYSIA GAIN IC80 IC80 IC90 IC90 R661 (1/2) (2/2) (1/2) (2/2) KRF-V5050D (X08-3060-11) X14-F/8 -CN202 DESTINATION UNIT C36,37,111,112, C141, C151,152, R35-38, R251-264, IC14 CP92 COUNTRY ABB. 211,212,311,654,655 251-256 155-157 141-146,501-503 532-536...
- Page 18 GENERAL MARKET 47u25 0.01 (X35-22XX-XX) 0-22 VIDEO3 MALAYSIA MN101C49GLE IC1,2,11-13 : NJM2279D AUSTRALIA 0-72 OUT2 OUT1 C104 : TC74HC4052AP or 47u25 NJU4052BD KRF-V5050D (X14-7XXX-XX) IC21 : BA05T DESTINATION UNIT CN3,201, J403, IC202, R6,7,28,30,223, R32, C15,16, S17, W29,99,140, W31, IC200 Q401 R310...
- Page 19 (X14-7XXX-XX) (H/8) IC401,402 : NJM2279M IC403 : TC74HC4052AF Q401 : UN4212 or DTC124ESA D401 : 1SS133 or HSS104A E200 (X14-7XXX-XX) (H/8) (X14-7XXX-XX) (A/8) CN401 CN203 RESET/ 4.7V FAST-OFF1/ 5.0V BACK-UP CCTs. 5.4V 3.7V D212 5.4V J401 IC204 4.8V R401 100K Q401 -4.9V -28.8V...
- Page 20 : KTA1267 (Y,GR) or instruments used or on the product. 2SA933AS (Q,R) D200-207,211,214-216,220,221 +12V +12V : 1SS133 or HSS104A D209,210 : MTZJ5.6 (B) or HZS5.6N (B2) or KRF-V5050D/V5050D-S/V5050D-E/V5550D-S (3/3) RD5.6ES (B) KRF-V6050D/V6050D-S (3/3) D212,213 : RB721Q KRF-V7050D/V7050D-S (3/3) KRF-X9050D/X9050D-S (3/3)
- Page 21 HSS104A FL AC2 : W02-2625-05 : HNA-11MS24 or 11-MT-125GK DIGITAL LINE SIGNAL LINE GND LINE TI.VOL B LINE CLIP AUTO B LINE MEMO. MUTE TUNED AUDIO SOUND PRO LOGIC (SL) STEREO DOWNMIX NEWS (SR) DIGITAL (2G-9G) S.DIRECT MONITOR KRF-V5050D/V5550D/V6050D/V7050D/X9050D Y05-4152-71...
- Page 22 AC110V- X07- KRF-X9050D only 120V (B/4) 625B x2 or DVD IN AC220V- (19P) X35-2252-71 240V x2 or X07- (D/4) MONITOR IN VIDEO 3 IN X00-3000-2X VIDEO 3 VIDEO 1 MONITOR VIDEO 2 FRONT SPEAKERS SURROUND FRONT SWITCHED TOTAL x2 or SPEAKERS 625B SPEAKERS...
- Page 23 Ref. No Parts No. Description ress Parts nation marks marks ress Parts nation ✽ H50-3998-04 ITEM CARTON CASE KRF-V5050D/V5050DE/V5050D-S ✽ H50-3999-04 ITEM CARTON CASE ✽ H50-4000-04 ITEM CARTON CASE ✽ A01-3795-01 METALLIC CABINET YETE2 ✽ H50-4001-04 ITEM CARTON CASE ✽...
- Page 24 POWER TRANSFORMER ✽ B10-3656-02 FRONT GLASS ✽ L07-2925-05 POWER TRANSFORMER B12-0384-04 INDICATOR B12-0385-04 INDICATOR T90-0852-05 LOOP ANTENNA B43-0314-04 KENWOOD BADGE ✽ T90-0877-05 LEAD WIRE ANTENNA B46-0096-53 WARRANTY CARD ✽ W02-2772-05 TUNER ASSY YMXI B46-0310-03 WARRANTY CARD ✽ W02-2773-05 TUNER ASSY...
- Page 25 FRONT GLASS ✽ B10-3645-12 FRONT GLASS B12-0384-04 INDICATOR ✽ B10-3646-12 FRONT GLASS B12-0385-04 INDICATOR ✽ B10-3647-12 FRONT GLASS B43-0314-04 KENWOOD BADGE B12-0341-04 INDICATOR B12-0383-04 INDICATOR B46-0328-03 WARRANTY CARD B58-0513-04 CAUTION CARD (PRESET220-240) B43-0314-04 KENWOOD BADGE B58-0964-13 CAUTION CARD (UL) B46-0096-53...
- 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 ✽ 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 ABBREVIATION OF MODEL AND MASS PRODUCTION'S DESTINATIONS C106 CE04PW1E470M ELECTRO 47UF 25WV MODEL Australia Canada China England Europe Germany Korea Malaysia ABB. C107 CC45FSL1H470J CERAMIC 47PF KRF-V5050D C108 CE04PW1E470M ELECTRO 47UF 25WV KRF-V5050DE KRF-V5050D-S C109 CC45FSL1H470J CERAMIC 47PF KRF-V5550D-S C110 CE04PW1E470M ELECTRO 47UF 25WV KRF-V6050D C111...
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Page 36: Specifications
TREBLE ............±10 dB (at 10 kHz) 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 37 (KRF-V5550D) ..............8.4 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 38 Weight (Net) ..............9.3 kg (20.50 lb) 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).