Sharp LC-30HV4E (serv.man12) Service Manual ▷ View online
75
LC-30HV4E
74
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
SIGNAL BLOCK DIAGRAM
(Display)
IC2201
TMDS RECEIV ER
IC4551
LCD CONTROL
IC4901
O S D RIV E ( OD D )
IC4701
O S D RIV E( EV EN)
IC2001
MICRO PROCESSOR
IC2003
EEP-ROM
IC3802
SRS FORCUS
A UDIO PROCESSOR
IC3809
S-OUT A MP
IC3810
HEAD-PHONE
A MP
IC4902
FIFO M EM ORY
IC2203
CONFIG
EEP-ROM
IC2202
HDCP( KEY)
EEP-ROM
IC2204
D D C
EEP-ROM
SC2201
D ISPLAY
IN PUT 1
SC2202
D ISPLAY
IN PUT 2
IC4702
FIFO M EM ORY
LCD
PANEL
CONTROL KEY
R/ C RECEIV ER
OPC
LED
IC2002
RESET
IC3804
SOUND CONTROL
Q6551
Q6554
Q6557
D C/AC
IN VERTER
DRIV E
Q6560
Q6563
Q6566
D C/ AC
IN VERTER
DRIV E
T6551
T6552
T6553
T6554
T6555
T6556
D C/AC
TRANS
T6557
T6558
T6559
T6560
T6551
T6562
D C/ AC
TRANS
BACK LIGHT
IC3803
EXTENTIO N
D AC
J202
SPEAKER(R)
PLUG
J3801
HEAD PHONES
JA CK
TMDS
D D C-IIC
CONFIG IIC
J201
SPEAKER(L)
PLUG
CONTROL
A UDIO
Q O 0-2 3 ,QE0-23
HSYNC,V SYNC
CLOCK
OFL
D D C 5V
KEY IIC
77
LC-30HV4E
76
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
POWER UNIT BLOCK DIAGRAM
(Display)
@
POWER
LCD_ CONTROL( DIGITAL)
MAIN
( TMDS/ MICOM)
AUDIO
CN2
AA
CN4
PB
IC2103
5V REG
IC2104
3. 3V REG
IC2105
2. 5V REG
+13V
P2003
RM
IC2101
5V REG
P2101
PA
CN3
PA
STB+6V
IC2102
9V REG
+9V
FAN VCC
P2103
MB
INVERTER1
INVERTER2
INV.VCC
INV.VCC
+13V
CN5
PC
IC3801
9V REG
+5V
+13V
P3801
SA
+9V
IC4516
3. 3V REG
IC4515
2. 5V REG
P4101
PC
13V IC
13V PANEL
B+3. 3V CONT
B+2. 5V CONT
CN1
AC IN
P2104
SA
P2106
MD
FAN
+5V _STB
IC4555
34V REG
IC4557
6V REG
VBH+34V
D4555
IC4556
5V REG
SIN+4V
DAC+5V
IC4558
-6 VREG
VEE-6 V
IC4559
IC4560
13V REG
VLS+13V
IC4112
3. 3V REG
VSH+3. 3V
CN7
PE
P2101
PB
P6564
PH
P6557
PG
+5V
+3. 3V
+2. 5V
R/ C.LED
P101
RM
+5V _STB
OPERATION
P131
AA
SW136
AC SW
INVERTER GND
P6907
MD
+5V
STB+6V
+13V
+10V
77
LC-30HV4E
76
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
POWER UNIT BLOCK DIAGRAM
(Display)
@
POWER
LCD_ CONTROL( DIGITAL)
MAIN
( TMDS/ MICOM)
AUDIO
CN2
AA
CN4
PB
IC2103
5V REG
IC2104
3. 3V REG
IC2105
2. 5V REG
+13V
P2003
RM
IC2101
5V REG
P2101
PA
CN3
PA
STB+6V
IC2102
9V REG
+9V
FAN VCC
P2103
MB
INVERTER1
INVERTER2
INV.VCC
INV.VCC
+13V
CN5
PC
IC3801
9V REG
+5V
+13V
P3801
SA
+9V
IC4516
3. 3V REG
IC4515
2. 5V REG
P4101
PC
13V IC
13V PANEL
B+3. 3V CONT
B+2. 5V CONT
CN1
AC IN
P2104
SA
P2106
MD
FAN
+5V _STB
IC4555
34V REG
IC4557
6V REG
VBH+34V
D4555
IC4556
5V REG
SIN+4V
DAC+5V
IC4558
-6 VREG
VEE-6 V
IC4559
IC4560
13V REG
VLS+13V
IC4112
3. 3V REG
VSH+3. 3V
CN7
PE
P2101
PB
P6564
PH
P6557
PG
+5V
+3. 3V
+2. 5V
R/ C.LED
P101
RM
+5V _STB
OPERATION
P131
AA
SW136
AC SW
INVERTER GND
P6907
MD
+5V
STB+6V
+13V
+10V
77
LC-30HV4E
76
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
POWER UNIT BLOCK DIAGRAM
(Display)
@
POWER
LCD_ CONTROL( DIGITAL)
MAIN
( TMDS/ MICOM)
AUDIO
CN2
AA
CN4
PB
IC2103
5V REG
IC2104
3. 3V REG
IC2105
2. 5V REG
+13V
P2003
RM
IC2101
5V REG
P2101
PA
CN3
PA
STB+6V
IC2102
9V REG
+9V
FAN VCC
P2103
MB
INVERTER1
INVERTER2
INV.VCC
INV.VCC
+13V
CN5
PC
IC3801
9V REG
+5V
+13V
P3801
SA
+9V
IC4516
3. 3V REG
IC4515
2. 5V REG
P4101
PC
13V IC
13V PANEL
B+3. 3V CONT
B+2. 5V CONT
CN1
AC IN
P2104
SA
P2106
MD
FAN
+5V _STB
IC4555
34V REG
IC4557
6V REG
VBH+34V
D4555
IC4556
5V REG
SIN+4V
DAC+5V
IC4558
-6 VREG
VEE-6 V
IC4559
IC4560
13V REG
VLS+13V
IC4112
3. 3V REG
VSH+3. 3V
CN7
PE
P2101
PB
P6564
PH
P6557
PG
+5V
+3. 3V
+2. 5V
R/ C.LED
P101
RM
+5V _STB
OPERATION
P131
AA
SW136
AC SW
INVERTER GND
P6907
MD
+5V
STB+6V
+13V
+10V
Display
