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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
