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Kenwood VRS-7100 Service Manual

Audio-video surround receiver
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AUDIO-VIDEO SURROUND RECEIVER
VRS-7100
QQ
3 7 63 1515 0

SERVICE MANUAL

Knob
Indicator
(K29-8325-04)
(B12-0480-04)
Phone jack
Door *
TE
(E11-0946-05)
L 13942296513
(A52-)
Tuner ass'y *
(W02-)
ANTENNA
FM 75 Ω
GND
Foot
(J02-1560-03) x4
www
.
* Refer to parts list on page 29.
Knob
Panel *
(K29-8336-03)
(A60-)
Optical receiving module
(W02-4523-05)
Pin jack
(E63-1330-05)
Cylindrical receptacle
(E56-0049-05)
Metallic cabinet
(A01-3915-01)
DIGITAL IN
(ASSIGNABLE)
COAX 2
OPT 1
OPT 2
(VIDEO 2)
(VIDEO 1)
(AUX)
COAX 1
AM
(DVD)
Pin jack
Pin jack
(E63-1294-05)
(E63-1339-05) Pin jack
Optical receiving module
(W02-4524-05) x2
x
ao
y
i
8
Sub panel
(A22-1891-21)
Pin jack
Q Q
(E63-1330-05)
3
6 7
1 3
Pin jack
(E63-1337-05) Lock terminal board
Pin jack
(E63-1293-05)
VIDEO IN
VIDEO IN
VIDEO IN
VIDEO OUT VIDEO IN
DVD
VIDEO 2
MONITOR
IN
IN
OUT
S VIDEO
R
L
SUB
WOOFER
SURROUND BACK
IN
PLAY IN REC OUT PLAY IN
PRE OUT
DVD
VIDEO 2
VIDEO 1
Pin jack
(E63-1338-05)
(E63-1317-05)
u163
.
2 9
9 4
2 8
© 2004-6 PRINTED IN KOREA
B51-5909-00 (K/K) 755
Escutcheon
Knob
(B07-2681-14)
(K29-8326-03)
Front glass
Escutcheon
(B10-3972-02)
(B07-2683-13)
1 5
0 5
8
2 9
9 4
Rectangular receptacle
(E58-0062-05)
(E70-0184-05)
SPEAKERS (6-8Ω)
MONITOR
OUT
L
R
IN
R
FRONT
L
AUX
Power cord bushing
(J42-0349-05)
m
co
9 9
Knob *
(K29-)
2 8
9 9
CENTER
SURR R
SURR BACK
SURR L
/SW
AC power cord *
(E30-)
70%
70%

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Table of Contents
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  Summary of Contents for Kenwood VRS-7100

  • Page 1: Service Manual

    AUDIO-VIDEO SURROUND RECEIVER VRS-7100 3 7 63 1515 0 SERVICE MANUAL © 2004-6 PRINTED IN KOREA B51-5909-00 (K/K) 755 Knob Indicator Knob Panel * Escutcheon Knob Knob * (K29-8325-04) (B12-0480-04) (K29-8336-03) (A60-) (B07-2681-14) (K29-8326-03) (K29-) Sub panel Front glass Escutcheon...
  • Page 2 VRS-7100 3 7 63 1515 0 CONTENTS / ACCESSORIES / CAUTIONS CONTENTS CONTENTS / ACCESSORIES / CAUTIONS....2 EXPLODED VIEW .............28 PC BOARD ..............3 PARTS LIST...............29 SCHEMATIC DIAGRAM ..........15 SECIFICATIONS............35 ACCESSORIES Remote control unit (1) AM loop antenna (1) FM indoor antenna (1)
  • Page 3 PC BOARD (Component side view) 3 7 6 3 1 5 1 5 0 X07-3550-10 (J70-1729-01) (SIDE A) D804 D805 R9 R15 R713 R712 C806 Q704 Q702 R806 C2 C3 Q705 R706 R704 R711 R705 R703 D701 R814 Q703 Q701 R224 R225 R235...
  • Page 4 PC BOARD (Component side view) 3 7 6 3 1 5 1 5 0 X07-3550-10 (J70-1729-01) (SIDE B) 1 3 9 4 2 2 9 6 5 1 3 w w w u 1 6 3 Refer to the schematic diagram for the value of resistors and capacitors.
  • Page 5 PC BOARD (Component side view) 3 7 6 3 1 5 1 5 0 X08-3280-10 (J75-0008-22) (SIDE A) X08-3280-10 (J75-0008-22) (SIDE B) R902 IC92 CN53 D905 R909 C906 R910 D904 C903 R901 R715 R888 R904 C703 R716 R717 D903 R936 IC91 IC82 R905...
  • Page 6 PC BOARD (Component side view) 3 7 6 3 1 5 1 5 0 X14 C/7 W159 S104 S103 ED101 R188 IC101 R230 D115 DUAL SOURCE SET UP LISTEN MODO R259 R174 D107 23 22 C132 C131 S106 R220 C102 R173 R183 D106...
  • Page 7 PC BOARD (Component side view) 3 7 6 3 1 5 1 5 0 CN307 WH305 W455 R800 W456 CN309 W436 BLUE W460 W454 W461 IC801 C366 W374 D501 R801 W371 R348 R504 W372 W373 C506 C377 IC310 R503 W463 IC311 W464 C397...
  • Page 8 PC BOARD (Component side view) 3 7 6 3 1 5 1 5 0 X25-6630-10 B/2 (J75-0014-21) WH302 W211 R120 W201 W202 R107 W101 R143 W102 R134 R135 C84 R54 W206 R125 WH301 R100 W205 C85 R55 R668 R669 R126 C616 R103 R101...
  • Page 9 VRS-7100 (X08-3280-10) 3 7 6 3 1 5 1 5 0 EARTH 1000 47u6.3 PROTECTION R30 33 IC55 IC57 C17 27P IC58,63 0.01 DUAL BUS SINGLE 2-INPUT SINGLE 2-INPUT BUFFER GATE POSITIVE-AND GATE POSITIVE-OR GATE +VDD PROTECTION +3.3V SDTI(1,2,4) LRCK...
  • Page 10 VRS-7100 (X08-3280-10) 3 7 6 3 1 5 1 5 0 CN11 LT IN C105 2700P RT IN C101 R103 R105 R111 1.8K 1.8K +12V VCC ANALOG L OUT C109 IC10 -12V VSS ANALOG X25-B/2- (1/2) R OUT 100P LS/LTREC OUT...
  • Page 11 TAS SCL DC PROT. X07- LEVEL SHIFTER (+3V +5V) VDD FAN AUDIO C/(SW/CS) AO-3 GND FAN AUDIO LS/RS 9 GND u163 8 AUDIO L/R 1000P 7 GND AUDIO BCLK VCC ANALOG AUDIO FCLK +3.9V VDD4 AUDIO MCLK VRS-7100 (1/5) X08-3280-10 (3/3)
  • Page 12 (X25-6630-10) DESTINATION UNIT No. R655 100 COUNTRY ABB. U.S.A. 0-10 R656 100 CANADA R608 EUROPE 2-71 1/4W AUSTRALIA 15.0V VRS-7100 (2/5) Q309 2SB1640 IC301 NJM2584M Q801 2SD1819A(Q,R) or RECORDING LINE IC302 NJM2595M 2SC4081(R,S) IC303,304 NJM2279M SIGNAL LINE IC305 NJM2580M GND LINE D301 MTZJ5.6(B) or...
  • Page 13 +12V AVR PLL CE HEADPHONE AMP R129 C32 10P WH301 1/4W u 1 6 3 +11.8V +11.8V +14.7V +14V R54 47K X14-A/7- 10u50 1u50 R130 AY-2 (2/2) 1/4W 12.4V 12.4V 12.4V -14V +14.7V +14.7V +14.7V -12V AVR VRS-7100 (3/5) X25-6630-10...
  • Page 14 Q204 X14-B/7- DHSD u 1 6 3 WH106 OCLOW R233 R204 R210 Q604 GVDD1 R27 10K 1 1/4W R604 R610 AZ-5 GVSS1 1 1/4W TEMP 1/4W Q301-304,401-404, 501-504,601-604 Q803 1/4W FAN V POWER MOS FET +14.5V +14.5V VRS-7100 (4/5) X07-3550-10...
  • Page 15 VRS-7100 (X14-7790-10) (A/7) 3 7 6 3 1 5 1 5 0 ∗ SENS GND ∗ ∗ (K,P) : AC120V 60Hz SENS +41V ∗ ∗ X07- : AC240V~ 50Hz ∗ (X14- ) (C/7) +41V +40.9V ∗ : AC230V~ 50Hz ERROR AMP...
  • Page 16 S103 S104 KEY ST BY GND2 WH101 LED ST BY CN105 REMOTE KEY BAND KEY ST BY S107 S108 S109 S110 S113 S111 S112 u163 VOLUME VOLUME INPUT ON/OFF BAND AUTO/ STANDBY DOWN MONO DUAL SOURCE VRS-7100 (5/5) X14-7790-10 (2/2)
  • Page 17 DIGITAL IN A301 (Digital in) X14-779 A/7 X25-663 B/2 X14 E/7 ACTIVE EQ INPUT SEL. MULTI S101 S102 CONTROL VOLUME ED101 S105 LISTEN S106 X14 D/7 MODE SET UP S103 S104 X14 C/7 X08-328 X14 G/9 u 1 6 3 VRS-7100...
  • Page 18 Description Description Ref. No Parts No. ress Parts nation marks nation marks ress Parts ✻ H50-4884-04 ITEM CARTON CASE VRS-7100 ✻ H50-4885-14 ITEM CARTON CASE ✻ A01-3915-01 METALLIC CABINET 2B,2C J02-1560-03 FOOT A09-1274-08 BATTERY COVER J42-0349-05 POWER CORD BUSHING ✻...
  • Page 19 3 7 6 3 1 5 1 5 0 ✽ 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.
  • Page 20 3 7 6 3 1 5 1 5 0 ✽ 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.
  • Page 21 3 7 6 3 1 5 1 5 0 ✽ 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.
  • Page 22 3 7 6 3 1 5 1 5 0 ✽ 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.
  • Page 23 3 7 6 3 1 5 1 5 0 ✽ 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.
  • Page 24 3 7 6 3 1 5 1 5 0 ✽ 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.
  • Page 25 3 7 6 3 1 5 1 5 0 ✽ 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.
  • Page 26 3 7 6 3 1 5 1 5 0 ✽ 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.
  • Page 27 3 7 6 3 1 5 1 5 0 ✽ 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.
  • Page 28 3 7 6 3 1 5 1 5 0 ✽ 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.
  • Page 29 Coaxial (DVD, VIDEO 2) ......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 notice. 2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).
  • Page 30: Specifications

    Weight (Net) .............4.4 kg (9.7 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).