Hitachi 42HDT51M, Service Manual

Page: 60 / 131

12.4 BLOCK DIAGRAM (A
VC)
HDMI
J403
Monitor Output
VIDEO__
S-VIDEO__
Monitor/AUDIO
OUT L/R__
J401 Input 1
Y1/
VIDEO1 _
Pb1 _
Pr1 _
L/R1 _
I402 MM1630
VIDEO
SELECTOR__________
OUT3
V1,S1,S_DET1:V5,YC5
SW1
V2,S2,S_DET2:V4,YC4
SW2
V3,S3,S_DET3:V3,YC3
SW3
C1, S_DET4 :V/YPBPR2
SW4
C2, S_DET5 :V/YPBPR1
OUT2
C3:HDMI2 V/Y/C/PBPR
C4:HDMI1 OUT1
V/Y/C/PBPR
V6:MTV
OUT4
V4:STV
S5:DM
ANT
SW
BOX
U301
Main F/E(135ch)
Input 4
VIDEO4 _
S-VIDEO4 _
L/R4 _
Input 3
VIDEO3 _
S-VIDEO3 _
L/R3 _
IA01
AN5285K
Audio AGC
Q261-3
Main/SUB
NTSC Sync Sep
J405
Input 5 (Front)
VIDEO5 _
S-VIDEO5 _
L/R5 _
AV/POWER/CONT/SW/HDMI FOR AVC75
J404 RGB AUDIO
INPUT L/R _
Q409,411
L/R MUTE
SDA2/SCL2
EPG+9V
I502
AN15865A
MAIN
YPBPR
Selector
IN1 OUT1
HV1 HV1
IN4
H4/V4
YPBPR2
MH2
MV2
I501
AN15865A
SUB OUT
YPBPR
Selector
IN1 OUT1
HV1 HV1
IN4
H4/V4
IN5
H5/V5
YPBPR2
SH2
SV2
SW+5V SW+9V
SDA2/SCL2
EPG+9V EPG+5V DM+35V
EPG+9V
Q001
IR IN1
MODE
SAP
STEREO
AFC
Main
Video
AFC
Sub Video-OUT
MUTE
U302
Sub F/E (135ch)
SDA2/SCL2
SW+5V DM+35V
0.7Vp-p
CCD-SW
Audio L/R
Sub H
Sub V
Main H
Main V
Remo-con
HM01 GP1U281R IR Receiver
TXD-P
C-SW
FC-ENA/DATA/CLK
JA01Head-Hone (Front)
X-tal 16MHz
I002 RESET BD4742G
SW+9V
QA04
MUTE
QA08
Power
ON/OFF Det
I001
M30626P
MAIN MPU
(FLASH)
DM.RESET/DM.RTS/DM.TXD
I003 BR24L32FJ
E2PROM
SDA3/SCL3
SBY+5V
SW+9V
L/R
HP Audio L/R
I201
S3*80F9
IR BLASTER
RXD
TXD
SBY+3.3V
J201
IR-OUT_
Q201_ IR RESET
Sub AFC
Main AFC
ANT
AUDIO MUTE1
ST DET
SA DET
MTS
F MONO
SIG DET
MAIN/SUB
SYNC DET
MAIN
CCD IN
SUB
CCD IN
IR DET
AC IN
HPVOL
A-AGC
AUDIO MUTE1
A MUTE2
POWER1
POWER2
FSTB+5V
50mA
FA+5.5V
440mA
FC4
D+1.8V
500mA
D+3.3V
350mA
AVDET
SW+5.5V
1017mA
SBY+5.0V
131mA
AC120V
POWER1
AV_PWB
IR IN2
Q407
Q427
QV09
S.VIDEO
QV03
M.VIDEO
PS
PS
(to LED)
PDP/IR RXD
PDP/IR TXD
RXD-P
I203
BU4053BCF
SBY+5V
LEVEL SHIFT 2SK3018
_POWER2(w/o DM)
I103 TK11150CS
SW+2.5V(3DYC)
250mA
AV BLOCK DIAGRAM 2004.6.3
I901
SW
REG
AC
INLET
CONTROL PWB
Sub YCBCR
Q 5 0 1 / 2 / 3
QA06
QA09
QA07
QA03
QA05
SM01-06 CONTROL SW
Q202-4
PAN
Q401
Q308
Q308
Q313
Q311
QA10,QA11
MAIN Y
Q170
Q180
SBY+3.3V
Q0K1
Q280,Q281
Q150
I102
74LV221APW
+5V(DM+5.6V)
I3P2_SI-3050LSA
IV01 TK11125CS
T90
1
TRS
I903
TLP621
H901 STB
+5V REG.
S901
RELAY
DM+35.0V
10mA
I902
TLP621
P50FP
X201
8MHz
TP510
TP511
TP512
EJ05
Input2
HDMI 2
EJ01
Input1
HDMI 1
IJ09 HDMI
I/F
Sil9993
IJ03 HDMI
I/F
Sil9993
LR
YPBPR
SP-DIF
3D.VY/3D.C
DM.Y/DM.C
MAIN.R/MAIN.L
DM.YH/DM.PB/DM.PR
DM.RTS/DM.TXD
DM.RESET/DM.CTS/DM.RXD
EXT.R/EXT.L
IA02
BA3530FS Head-
PhoneAmp Vol. +5.6V(SW+9V)
OSD-CS/DATA/CLK
+33V 10mA
+16V 1113mA
+9.5V 1854mA
CONTROL SW
Digital Module
I931
SW-REG
SPI-8010A
IP01 SW-REG
MD1222N
I933
SW-REG
MPD4S007S
I5P1 SI-3090KM
+16V
+9.5V
I934 TK11150CS
FAN
FAN_DET
FAN.LOCK
SW+5.0V
427mA
+5V
(CCD-MPU),?
mA
TO HDMI
SW+9.0V
504mA
J402 Input 2
Y2/VIDEO2 _
Pb2 _
Pr2 _
L/R2 _
I204 TK11133CS
SBY+5V
_POWER1
+3.3V
IJ12
MD1422N
+16V
S/W
WRITING TXD
CONNEC
TOR RXD
Control
PFH1 VPP
PDP/IR BLASTER SEL
BUSY/SCLK/CNVSS/RESET
IP04 REG
+5V
100mA
SM07 MENU SW
Sub Mono-OUT
DM02 PNZ313B IR Receiver
I202
BR24L16FJ
E2PROM
SDA/SCL
I505
TA1287F
CCD MIX
YUV-OUT
YUV-IN
OSD-RGB
OSD-BLK
CP-IN
SW+9V
TP521
TP522
TP523
Q282
SW PWB
SW+9V SW+5V +3.3V
SW+9V SW+5V +3.3V
SDA5/SCL5
SDA4/SCL4
VIDEO
LPF/CLAMP
SYNC
SEP. Y
LPF/AMP
C
LPF/AMP
IV02
_PD64084GF
3D Y/C
Separator
SW+3.3V SW+2.5V
SDA1/SCL1
QV18,22,34
QV15,26,33
QV17,27
QV16,21,25
QV01,03
,05,13
TILT
LPF
Q402 SIG.DET
V /
YPBPR
V /YPBPR
LR
YPB
PR
Main
LR-OUT
LR
LR
LR
LR
Main/Sub Sync Detect
INT1/INT2/DEMP1-SEL/DEMP2-SEL/SPDIF-SEL/CEC-IN/CEC-OUT
I101
M306V7
CCD MPU
(MASK)
+3.3V/+5V(DM+5.6V)
SDA2/SCL2 X-tal 16MHz
OSD-BLK
OSD-R/G/B
OSD HSYNC IN
(1H/2H)
OSD VSYNC IN
USB
SPDIF
IEEE1394
IEEE1394
UPGRADE(MMC)
OP-AUDIO-OUT
POD
ANT
A MUTE 2
Q0K1
V/Y (AUTO LINK)
FC4
-5.6V -60mA
DM-5.4V
-60mA
SW+3.3V
650mA
SW+1.8V
500mA
_POWER2(w/o DM)
IP05 SW-REG
MD1422N
DM+3.6V
3420mA
DM+5.6V
1432mA
IP03
TEMP.SENSOR
SDA2/SCL2
SW+5.5V
I401 MM1631
VIDEO
SELECTOR__________
A3:L/R5
A OUT3
A4:L/R4
A5:L/R3
A6:L/R2
A7:L/R1
A OUT2
A8:HDMI2
A9:HDMI1
A2:MTV
A OUT1
A1:STV
A10:DM
A11:RGB
SDA2/SCL2
EPG+9V
V/Y/C
V/Y/C
V/Y/C
LR
LR
VIDEO
LPF/CLAMP
Y
LPF/AMP
C
LPF/AMP
IV04
TC90A45F
2Line Y/C_
Separator
_
SW+5V
QV07/08/0
9
QV19/35/39
QV20/36/40
YPBPR
6dB
0.7Vp-p
YPBPR
Q403
SUB Y
I260
BU4053BCF SW+9V
POWER3
POWER2 (w/o DM ) POWER3 (EPG)
SBY+5V
SBY+3.3V
DM-IN
DM-IN
I004
BU4053BCF
SBY+5V
AV
CONTROL
RS232C TXD
J203
RXD
RXD/TXD
DM.CTS/DM.RXD
LEVEL SHIFT
Q002
NDC7002N
DM+3.6V
DM+3.6V DM+5.6V DM-5.4V
FSTB+5V(FC-MPU)
50mA
SW+3.3V
(3DYC)
50mA
I403 SI-3090KM
I3P1 TK11150CS
EPG+5.0V
200mA
EPG+9.0V
566mA
_POWER3(ANALOG EPG)
_POWER2(w/o DM)
5.6V
1722mA
RESET
AUTO LINK
I506
TA1287F
CCD MIX
YUV-OUT
YUV-IN
OSD-RGB
OSD-BLK
CP-IN
SW+9V
I5H1
BU4053BCFV
I5F1
LV221
SW+5V
I5F2
LV221
SW+5V
SUB
2H-CP
MAIN 2H-CP
POWER_2
J202
IR-OUT_
Q0L1
1H/2H
SW
SW+9V
SW+5V SW+9V
SDA2/SCL2
SDA2/SCL2
QV12/13
QX02/03
Main YCBCR
Q 5 0 4 / 5 / 6
I504 BU4053BCFV
( 1 / 3 )
I504 BU4053BCFV
( 2 / 3 )
SW+5V
I503 74ACT14PW
( 2 / 6 )
I503 74ACT14PW
( 2 / 6 )
I503
( 1 / 6 )
I503
( 1 / 6 )
MAIN C
MAIN V
6dB
MAIN C
Q406
IRB/IR SEL
M_CCD_1H/2H_SEL
S_CCD_1H/2H_SEL
1240mA
SBY+3.3V
?mA
I104 TK11133CS
+3.3V
(CCD-MPU),?
mA
MUTE
MAIN 1H/2H-CP
X-tal
3.58MH
z
IV06
NJM2584
SW+9V
IV08
TA1383FG
Main
Video/Chroma
YPbPr
Selector
CW
Y1 IN CP
C1 IN
Y2 IN YPbPr
C2 IN Out
YPbPr IN
HV-Sync IN
SDA1/SCL1
SW+5V SW+9V
QX04/21
X-tal
3.58MH
z
IV09
NJM2584
SW+9V
IV12
TA1383FG
Sub
Video/Chroma
YPbPr
Selector
CW
Y1 IN CP
C1 IN
Y2 IN YPbPr
C2 IN Out
YPbPr IN
HV-Sync IN
SDA1/SCL1
SW+5V SW+9V
QX14/22
SUB 1H/2H-CP
Q408/Q425
M_COMP_SEL
S COMP SEL
Photo Input
60
PT5-G/PW1-H
T
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