Service manual

CIRCUIT BLOCK DIAGRAM
– 31 – – 32 –
DM-1 POWER
DM-1 POWERDM-1 POWER
DM-1 POWER TUNER/LINK
TUNER/LINKTUNER/LINK
TUNER/LINK
A/V DECODER
A/V DECODERA/V DECODER
A/V DECODER
SIGNAL
SIGNALSIGNAL
SIGNAL
YCS/DUAL
YCS/DUAL YCS/DUAL
YCS/DUAL
AUDIO
AUDIOAUDIO
AUDIO
AMP
AMPAMP
AMP
A/V
A/V A/V
A/V
AUDIO-OUT
AUDIO-OUT AUDIO-OUT
AUDIO-OUT
MICON/OSD
MICON/OSDMICON/OSD
MICON/OSD
V/C/D CONTROL
V/C/D CONTROLV/C/D CONTROL
V/C/D CONTROL
C.C.IC
C.C.ICC.C.IC
C.C.IC SW
SWSW
SW
OSDIC
OSDICOSDIC
OSDIC
MODE-SW
MODE-SWMODE-SW
MODE-SW
Sub Power
Sub Power Sub Power
Sub Power
POWER
POWERPOWER
POWER
D-CONV
D-CONVD-CONV
D-CONV
DEF
DEF DEF
DEF
TUNER
TUNERTUNER
TUNER
LINK
LINKLINK
LINK
MODEM
MODEMMODEM
MODEM
POWER
POWERPOWER
POWER
33V,12V,5
33V,12V,533V,12V,5
33V,12V,5
V
VV
V
LNB_PWR
LNB_PWRLNB_PWR
LNB_PWR
-5V,3.3V
-5V,3.3V-5V,3.3V
-5V,3.3V
ANALOG PWR
ANALOG PWRANALOG PWR
ANALOG PWR
33V,12V,-5V
33V,12V,-5V33V,12V,-5V
33V,12V,-5V
LNB_CTL
LNB_CTLLNB_CTL
LNB_CTL
PWR_FAIL
PWR_FAILPWR_FAIL
PWR_FAIL
DIGITAL PWR
DIGITAL PWRDIGITAL PWR
DIGITAL PWR
3.3V,5V
3.3V,5V3.3V,5V
3.3V,5V
AUDIO OUT
AUDIO OUTAUDIO OUT
AUDIO OUT
L_Sel,R_Sel
L_Sel,R_SelL_Sel,R_Sel
L_Sel,R_Sel
LFE,Center
LFE,CenterLFE,Center
LFE,Center
L_Sur,R_Sur
L_Sur,R_SurL_Sur,R_Sur
L_Sur,R_Sur
Left,Right
Left,RightLeft,Right
Left,Right
ANALOG V-IN
ANALOG V-INANALOG V-IN
ANALOG V-IN
Y,Cr,Cb
Y,Cr,CbY,Cr,Cb
Y,Cr,Cb
CV_Sync
CV_SyncCV_Sync
CV_Sync
CV_Sync_REF
CV_Sync_REFCV_Sync_REF
CV_Sync_REF
IP_RX
IP_RXIP_RX
IP_RX
IP_CLOCK
IP_CLOCKIP_CLOCK
IP_CLOCK
IP_REQUEST
IP_REQUESTIP_REQUEST
IP_REQUEST
TV_RST
TV_RSTTV_RST
TV_RST
2H VIDEO OUT
2H VIDEO OUT2H VIDEO OUT
2H VIDEO OUT
SEL_2H_REF
SEL_2H_REFSEL_2H_REF
SEL_2H_REF
SEL_2H
SEL_2HSEL_2H
SEL_2H
SEL1V_REF
SEL1V_REFSEL1V_REF
SEL1V_REF
SEL_1V
SEL_1VSEL_1V
SEL_1V
OSD_REF
OSD_REFOSD_REF
OSD_REF
OSD_ACTIVE
OSD_ACTIVEOSD_ACTIVE
OSD_ACTIVE
2H_Pb,_Pr,_Y
2H_Pb,_Pr,_Y2H_Pb,_Pr,_Y
2H_Pb,_Pr,_Y
NTSC-OUT
NTSC-OUTNTSC-OUT
NTSC-OUT
NTSC_VID,_REF
NTSC_VID,_REFNTSC_VID,_REF
NTSC_VID,_REF
R_AUD,_REF
R_AUD,_REFR_AUD,_REF
R_AUD,_REF
L_AUD,_REF
L_AUD,_REFL_AUD,_REF
L_AUD,_REF
KB/IR
KB/IRKB/IR
KB/IR
5V,ON_LED
5V,ON_LED5V,ON_LED
5V,ON_LED
IR,KBS1-5
IR,KBS1-5IR,KBS1-5
IR,KBS1-5
KBD,VGA_LED
KBD,VGA_LEDKBD,VGA_LED
KBD,VGA_LED
PIP RF OUT
PIP RF OUTPIP RF OUT
PIP RF OUT
/RF MOD IN
/RF MOD IN/RF MOD IN
/RF MOD IN
VIDEO-1
VIDEO-1VIDEO-1
VIDEO-1
PIP TIF
PIP TIFPIP TIF
PIP TIF
EEPROM
EEPROMEEPROM
EEPROM
CTV CONTROL
CTV CONTROLCTV CONTROL
CTV CONTROL
SUB-MICON
SUB-MICONSUB-MICON
SUB-MICON
WAC
WACWAC
WAC
UP-CON
UP-CONUP-CON
UP-CON
3D-YCS
3D-YCS3D-YCS
3D-YCS
DUAL
DUALDUAL
DUAL
RIGHT
RIGHTRIGHT
RIGHT
LEFT
LEFTLEFT
LEFT
SVM
SVMSVM
SVM
BOARD
BOARDBOARD
BOARD
D-CONV
D-CONVD-CONV
D-CONV
CONTROL
CONTROLCONTROL
CONTROL
DEF
DEFDEF
DEF
DEF.H.V.DRIVE
DEF.H.V.DRIVEDEF.H.V.DRIVE
DEF.H.V.DRIVE
VER.DRIVE
VER.DRIVEVER.DRIVE
VER.DRIVE
H.D.FOCUS
H.D.FOCUSH.D.FOCUS
H.D.FOCUS
VER.OUT
VER.OUTVER.OUT
VER.OUT
V.D.FOCUS
V.D.FOCUSV.D.FOCUS
V.D.FOCUS
R-CRT.D
R-CRT.DR-CRT.D
R-CRT.D
BOARD
BOARDBOARD
BOARD
RED
REDRED
RED
GRN
GRNGRN
GRN
G-CRT.D
G-CRT.DG-CRT.D
G-CRT.D
BOARD
BOARDBOARD
BOARD
B-CRT.D
B-CRT.DB-CRT.D
B-CRT.D
BOARD
BOARDBOARD
BOARD
BLU
BLUBLU
BLU
DEF-OUT
DEF-OUTDEF-OUT
DEF-OUT
F.B.T
F.B.TF.B.T
F.B.T
H.V-OUT
H.V-OUTH.V-OUT
H.V-OUT
CONV-OUT
CONV-OUTCONV-OUT
CONV-OUT
FOCUS/
FOCUS/FOCUS/
FOCUS/
SCR-PACK
SCR-PACKSCR-PACK
SCR-PACK
SMART CARD READER
SMART CARD READERSMART CARD READER
SMART CARD READER
DSS_ANT
DSS_ANTDSS_ANT
DSS_ANT
C/B_ANT_A
C/B_ANT_AC/B_ANT_A
C/B_ANT_A
C/B_ANT_B
C/B_ANT_BC/B_ANT_B
C/B_ANT_B
VIDEO-2
VIDEO-2VIDEO-2
VIDEO-2
HD
HDHD
HD
MON/OUT
MON/OUTMON/OUT
MON/OUT
VAR/OUT
VAR/OUTVAR/OUT
VAR/OUT
FRONT
FRONTFRONT
FRONT
VIDEO-3
VIDEO-3VIDEO-3
VIDEO-3
FRNT CONT
FRNT CONTFRNT CONT
FRNT CONT
AUDIO/
AUDIO/AUDIO/
AUDIO/
VIDEO
VIDEOVIDEO
VIDEO
SW
SWSW
SW
AUDIO
AUDIOAUDIO
AUDIO
PROCESSER
PROCESSERPROCESSER
PROCESSER
SURROUND
SURROUNDSURROUND
SURROUND
+12V
+12V+12V
+12V
+ 5V
+ 5V+ 5V
+ 5V
- 5V
- 5V- 5V
- 5V
+3.3V
+3.3V+3.3V
+3.3V
VS
VSVS
VS
HS
HSHS
HS
PFAIL
PFAILPFAIL
PFAIL
POL
POLPOL
POL
+33V
+33V+33V
+33V
LNB_PWR
LNB_PWRLNB_PWR
LNB_PWR
GND
GNDGND
GND
+13V RHCP
+13V RHCP+13V RHCP
+13V RHCP
+18V LHCP
+18V LHCP+18V LHCP
+18V LHCP
SPK
SPKSPK
SPK
Fv=950-1450MHz
Fv=950-1450MHzFv=950-1450MHz
Fv=950-1450MHz
+ 129/32V
+ 129/32V+ 129/32V
+ 129/32V
+ 15V(V-OUT)
+ 15V(V-OUT)+ 15V(V-OUT)
+ 15V(V-OUT)
- 15V(V-OUT)
- 15V(V-OUT)- 15V(V-OUT)
- 15V(V-OUT)
+ 11V
+ 11V+ 11V
+ 11V
+ 7V-1
+ 7V-1+ 7V-1
+ 7V-1
+ 7V-2
+ 7V-2+ 7V-2
+ 7V-2
+ 30V(CONV)
+ 30V(CONV)+ 30V(CONV)
+ 30V(CONV)
+5V-1
+5V-1+5V-1
+5V-1
+ 21V(CONV)
+ 21V(CONV)+ 21V(CONV)
+ 21V(CONV)
- 21V(CONV)
- 21V(CONV)- 21V(CONV)
- 21V(CONV)
POWER STANBY
POWER STANBYPOWER STANBY
POWER STANBY
POWER SUPPLY-1
POWER SUPPLY-1POWER SUPPLY-1
POWER SUPPLY-1
POWER SUPPLY-2
POWER SUPPLY-2POWER SUPPLY-2
POWER SUPPLY-2
AC120V60Hz
AC120V60HzAC120V60Hz
AC120V60Hz
TV
TVTV
TV
PIP
PIPPIP
PIP
YC
YCYC
YC
UP-CONVERTER
UP-CONVERTERUP-CONVERTER
UP-CONVERTER
EEP-ROM
EEP-ROMEEP-ROM
EEP-ROM
MAIN MICON
MAIN MICONMAIN MICON
MAIN MICON
C-IN
C-INC-IN
C-IN
C-SW
C-SWC-SW
C-SW
V3
V3V3
V3
V1
V1V1
V1
V2
V2V2
V2
Y
YY
Y
KEY-IN
KEY-INKEY-IN
KEY-IN
TELEPHONE
TELEPHONETELEPHONE
TELEPHONE
YPbPr
YPbPrYPbPr
YPbPr
YCbCr
YCbCrYCbCr
YCbCr
RGB
RGBRGB
RGB
RGB
RGBRGB
RGB
RGB
RGBRGB
RGB
YIQ
YIQYIQ
YIQ
YCbCr
YCbCrYCbCr
YCbCr
YIQ
YIQYIQ
YIQ
YIQ
YIQYIQ
YIQ
V
VV
V
VYC
VYCVYC
VYC
V
VV
V
YC
YCYC
YC
2HD
2HD2HD
2HD
VD
VDVD
VD
GND
GNDGND
GND
2HD
2HD2HD
2HD
VD
VDVD
VD
YPbPr
YPbPrYPbPr
YPbPrYPbPr
YPbPrYPbPr
YPbPr
2HD
2HD2HD
2HD
VD
VDVD
VD
HD,VD
HD,VDHD,VD
HD,VD
2YIQ
2YIQ2YIQ
2YIQ
SYNC
SYNCSYNC
SYNC
SEPA
SEPASEPA
SEPA
HD
HDHD
HD
VD
VDVD
VD
RGB
RGBRGB
RGB
RGBdY
RGBdYRGBdY
RGBdY
YPbPr
YPbPrYPbPr
YPbPr
Y
YY
Y
2HD
2HD2HD
2HD
VD
VDVD
VD
F/V CONV.
F/V CONV.F/V CONV.
F/V CONV.
31.5/15.75KHz
31.5/15.75KHz31.5/15.75KHz
31.5/15.75KHz
DIG-A
DIG-ADIG-A
DIG-A
NTSC-A
NTSC-ANTSC-A
NTSC-A
TOP AC-FAN
TOP AC-FANTOP AC-FAN
TOP AC-FAN
SIDE AC-FAN
SIDE AC-FANSIDE AC-FAN
SIDE AC-FAN
+35V(AUDIO)
+35V(AUDIO)+35V(AUDIO)
+35V(AUDIO)