KENWOOD DVR605
Manual de Servicio

DVR-605
DISASSEMBLY FOR REPAIR / BLOCK DIAGRAM
DISASSEMBLY FOR REPAIR How to open the tray if it does not come out.
1. Insert a flat driver in the drawing through the hole on the loading chassis bottom and pull the lever down. 2. Pull out the tray frontward by hand when it comes just out.

BLOCK DIAGRAM
FROM SYSTEM u-COM + P/D 5.5VS

IC61
COMPOSITE CVBS

GND

DVD SECTION SDRAM FLASH MPEG PROCESSOR EEPROM ADC

MGND

MGND +5VA AGND -5VA +12VA to DVD & VIDEO +5.5VS +3.5V +2.5V +5V +12VM +9VM

P/C

+5.6V DGND

IC18

SPKR RLYSK11

DGND

FL GND + FR

NJ11-C

GND

VIDEO INPUT AV AUX(FRONT) SAT/CABLE

DVD

VIDEO SWITCHING
6dB

Y

Y

C

C

SMPS FOR DVD & VIDEO (ASSY)

IC19

SPKR RLYSK12

NJ11-B
SL GND GND SR

6dB

G(Y)

G(Y)

MIC JACK
MIC DET

VCR IN REC OUT VCR OUT
R(CR) R(CR) SPDIF B(CB) B(CB)

MECHANISM LOAD CONTROL IC64 AUDIODAC
FROM SYSTEM u-COM 27MHz DAC MCLK MIC IN

AC INPUT FOR DVD IC20
to FRONT

IC82

SPKR RLYSK13

NJ11-A
CENTER GND S/W S/W

MIC AMP (M) TYPE ONLY
W/F MUTE MUTE C/S

MONITOR

C-VIDEO

DVD

IC11 IC33
12.28MHz

PRE AMP
FL

IC39
6dB

IC31
FL

LPF IC34-B FL LPF IC34-A

MASTER VOLUME & TONE CIRCUIT

IC15-B

IC22

DIGITAL INPUT (OPTICAL)

AUX(F) OPTICAL NJ34 SAT/ CABLE DIGITAL IN DIR DIGITAL OUT

DIGITAL AUDIO PROCESSOR

FR

IC15-A

(M,M2,Y) TYPE ONLY
230V 115V

FR

FR

IC16-B
SDATAN1 SL LPF IC36-B SL SL

6dB

ADC & DAC

D GND DVD

+5.6V -5.6V AGND

NJ35 OPTICAL OUTPUT

SR

LPF IC36-A LPF IC35-B

SR

SR

IC16-A P251 IC17-B N251
12345 12345 12

CT

CT

CT

F252

MONITOR S-VIDEO

-5.6V

S-VIDEO

AGND

IC21

+5.6V

DIGITAL DATA

DC PROTECTION

F201

PLL IC

P2

GND

DATA OUT

DATA OUT IC37,38
INPUT

SW

LPF IC35-A

SW

SW

IC17-A P252
5 4 VDD 29.5V 3 2 1 5 4 3 2 1

SUB WOOFER DGND AGND

N252

TUNER MODULE ANTENNA FM75 GND AM LOOP FM FRONT-END FM OSC IF AMP
AM OSC FM/AM 22 4 RDS

SURROUND DSP B'D
DECODER PLL IF+MPX
TUNER-L TUNER-R to u-COM AGND TUNER DVD VOLUME/TONE CONTROL RDS DATA/CLK

IC14 IC13

CHGND

D22
AC1 + AC2

AM RF

AUX/FRONT SAT/CABLE VCR IN VCR OUT AUDIO GND SWITCH

BUFFER

N111
VEE -29.5V 1 2 3 1 2

P2

AC INPUT

FL -27V

Q23 IC23

FRONT KEY FUNCTION

FUNCTION SECTION SECTION +5V IC51

N112 D30
1 2 SK21

+15V HEADPHONE DETECT

+15V D29

NJ83 Q24,25 IC12
17dB DC DETECT

A/D INPUT

HEADPHONE

+3.3V

IC25 +3.3V IC26
+

D23 IC24 D24
-15V

3 4 5 6 FL AC FL AC 7 8

D28 D27

HNV-11SM18 FL DISPLAY SYSTEM u-COM

PROTECT

HEADPHONE AMP
+5V H/P MUTE

-15V

+5.0V

STAND -BY CONTROL
ST-BY +5V

DGND

PROTECTION IC81
LED CONTROL P/C 4094 CE,CLK,DATA RDS DATA/CLK POWER DOWN TO SMPS

Q30,31 Q251

SHIFT REGISTER

AC INPUT FOR SMPS

DVR-605

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