Sharp LC-32GA8 Service Manual page 75

Power-Source Block Diagram
32/37GA8E/BV8E/K/F/I/RU POWER-BLOCK-DIAGRAM
I
KEY-UNIT
DUNTKD606FMV0
4 5 6 CH+ CH- INPUT
(32/37)
POWER SW
S156
P0035GE
1 2 3 P153
TUNER-UNIT
CKITKD608FM02 (SERVICE) DUNTKD608FM02
H (32/37)
33V 35V
8V
5V
IC201
7 9
Q201
A-TU201 IF-DEMOD
Q202
TDA9886
RTUNQA021WJ
P201
QCNCMA012WJ
8 6 4
8 6 4
MAIN-UNIT M2
SC2705
+5V 8V 35V
DUNTKD890FM02(32)
DUNTKD890FM03(37)
G
PC-INPUT RS-232C
3 BU3.3V
2 S+8V
IC2301
RS-232C
SC2301 ISL83220
M5
QJAKDA036WJ
F EDID5V 5V
+1.8V
+3.3V
EXT-5 1/3
4/6
HDMI-IN
7/9
74 99
IC1901
10/12 IC1905
E2PROM
SC1901 16/15
24LC2BIN HDMI
M1 IC3001
M1 RECEIVER
QSOCZA117WJ
24LC2BINEES
E2PROM
(SERVICE)
SII9021
BR24L64F
AUDIO
M1 M3
+3.3V
J2701
M2
EDID5V
QJAKEA073WJ S+8V 8V BU3.3V
E
EXT-4
1/2/3
9
D-SUB-15
IC2303 IC2701
33 18 192
E2PROM SYSNC IC3005 170
12/15
133
SC2303
BR24C21F SELECTOR RESET
M5
M5 TVHC153T BU4215G
IC3002
QSOCNA229WJ IXB731WJZZS M3
M2
(SERVICE)
VIDEO
AUDIO PROCESSOR
6
IC2704
IC2702
IXB624WJ
ANALOG SW
J2702
M2 SWITCH VCT6973
CD4052BP MM1507XN
QJAKEA073WJ
M2 M2
D
SC2702
SC2703
AV-UNIT DUNTKD604FM10
(32/37)
P1101
P1102
A+5V
20
EXT-1
19
15/11/7
IC1102
10
SCART1
SWITCH
6/2
MM1506XN
3/1
J1101
16/8 AV1
AV
QSOCZA116WJ
C
41
EXT-2 IC1101
40
SWITCH
36/32/28
31 MM1506XN
SCART2 27/23
AV1
24/22
37/29
J1101
AV
QSOCZA116WJ
IC1201
EXT-3
1
SWITCH
A/V-IN
MM1507XN
3/5
AV1
A-OUT 13/15
S/VIDEO
11 B+30V
7
J1201
AV
QJAKZA033WJZZ
B
5
HEAD
4 IC302 IC301
PHONE 2
3
SOUND AMP SOUND AMP
7
J1301
8
TDA8931T TDA8931T
1
AV AV1 P301
AV1
QJAKJA007WJZZ
1-2 3-4
SPEAKER L
SP-BOX L
B R/C LED UNIT
RSP-ZA184WJZZ
(32/37) G R DUNTKD607FMV0
G SENS SENS
R
OPC
SLEEP POW
-LED -LED OPC REMOCON
A
D102 D104 D103 IC101 RMC101
1 2 3
RRMCGA387WJSA(GA8E)
VOL+ VOL-
RRMCGA499WJSB(BV8E)
LCD-MODULE
TFT LCD PANEL
LCD-CONT-UNIT
Q1702 P2302
AT+35V
P2305
M5
LCD+5V
28-31
P1701 CORE RCORFA023WJZZ
M6
(37only)
P2303
M5
BU3.3V BU3.3V 2
IC1703
S8V
8V REG SC1702
M6
PQ20WZ11
SC1701
M6
M6
9 35V 1
IC1710 13.5V
LCD5V IC1705 4-6
FPGA
5V-REG.
SSM6J51TU
IXB823WJ
M6
M6
IC1704
5V
5V-REG.
+1.8V
SSM6J51TU
M6
IC1708
POW+5V
+1.8V
1.8V-REG.
20
MP1410ES
10-15
IC3003 M6
MICRO
CONTROLLER
IXB664WJ
PIC16F913
M3
IC1707
+3.3V
+3.3V REG
PQ20WZ11
M6
BU+1.8V
BU+1.8V IC1706
1.8V-REG.
MP1410ES
M6
185
169
142
IC1702
BU3.3V BU+5V
3.3V REG
PQ20WZ11 20-21
M6
M3
TERMINAL+5V
S8V
SC2704
22
19 M2
23
22
19 23
(32) C705 C706
A+5V A8V P1201
220 &L 220 &L
400V 400V
(37) C705 C706
270 &L 270 &L
D701
400V 400V
RDA702
TH701
VA702 HXA033WJ
T703
8V D778
D777
IC303
OP-AMP L701
L702
NJM4558M
SC301
AV1
B+30V
1-3
C704
VA701
RDA706(37)
RDA703
CORE RCORF0103CEZZ(32/37)
Q702
BU3.3V CORE
RCORF0103CEZZ(32/37)
SC701
P101
SPEAKER R
SP-BOX R
R
CORE
(RCORFA020WJZZ)
RSP-ZA184WJZZ
(32/37)
(32/37) AC-CORD QACCKA021WJPZ(E/F/I/R)
B
QACCBA073WJPZ(K)
AC-IN
(32/37)
4 5 6
R1LK315T3LF15 (32) A3IU32A8E1
R1LK370T3LZ5BX(37) A3KU37A8E1
CN4
CN5
RCORFA064WJZZ(37) CORE RCORFA064WJZZ(37) CORE
CN5
CN4
CN2
CN1
LCD+5V
DUNTKD605FM14/03(32/37)
POWER-UNIT
RY701
13.5V
Q721
P701
P-CON2
35V
35V
T701
1
D735
380V 30V
13.5V
1 16 4-6
C762 D741 5V
10-15
D759
IC705
15 D738 BU5V
SW-REG 20-21
35V
14
MR4020
GND
R828 D753
1 2 4 9 7 C754
D754
D739
13.5V
13
900V
3 P702
D756
D725 C757
5
12
PCON1
1
11
PCON2
6 2
INV_ON
Q724
D737 4
7 5V C752 5V INV_BRT
D751
10 5
D724 PWM-SEL
9
Q726 D731
P703
D726
Q708
30V
1-3
D730
Q730
IC706
5-7
6 D732
7 Q731
D747
Q710
IC708
D746
NJM2904 D733
Q723
P-CON1
Q713
P-CON2
T702 P704
Q712
380V
1 24V
24V
15 1-5
D728
IC704
C744
SW-REG D736 INV_ON
D762 12
MR4030(32/37)
INV_BRT
13
4 2 1 9
900V
PWM-SEL
3 14 14
R858
5
GND
6-10
6 6 2
7 1
5 3
D734
IC707
Q704
IC709
NJM2903M
7 8 9 10
75
LCD
BACK-LIGHT
(32) *8
(37) *9
32 INCH INVERTER UNIT IM3819
T1
CP4 5A
CN3
CN4
CP3 5A
24V
1-5 1A
CP1
Q16
Q18
Q17
Q19
Q14
T8
20 Vcc
CN11
IC1 Q20
Q22
INV-CTL
Q21
Q23
RUNTKA216WJZZ(37)
INV(37) UNIT 1/2
LA
CN7501
F7501
24V
6.3A
1-5
T7501 CN7504
Q7526
Q7524
LB
CN7502
Q7525
Q7523
*5
Vcc
CN7503
6
T7505
CN7508
VCC
15-19
IC7501
INV-CTL
BD9777FV
RUNTKA217WJZZ(37)
INV(37) UNIT 2/2
CN7705 T7701 CN7701
F7701 6.3A
15-19
Q7526
Q7524
Q7529
Q7527
Vcc
F7702 1.0A
*4
T7704 CN7704
6
11 12 13
LC-32GA8/LC-32BV8
LC-37GA8/LC-37BV8
14 15 16