Sharp LC-32A40L Service Manual page 42

A B
8
7
FROM REGULATOR2 L3801
CP3802 (CD520)
22uH
A2501WV2-2P
TSL0808
1 9VSC
2 GND
FROM SWITCH/AMP
STANDBY_LED
6
FROM/TO REGULATOR2
CP3803 (CD517)
L3802
A2501WV2-12P
1 5VSC
22uH
2 5VSC
TSL0808
3 5VSC
4 GND
5 GND
L3803
6 GND
7 12VSC
22uH
8 12VSC
TSL0808
9 GND
5 10 GND
W947
11 NC/ST_BY_H
12 NC/INVERTER_DET NC
TO SOUND AMP/HEADPHONE
GND
POWER_FAIL
4
FROM/TO POWER2
CP3804 (CP514)
A2501WV2-7P
R3801
1 POWER_FAIL
CD3804_1
47K
CU174001
2 LCD-H
L3804
3 AT+5V
22uH TSL0808
4 GND
5 BACKLIGHT ON
W801
6 LIGHT_CTL
W942
7 POWER ON-H
3
FROM POWER2
5
CP3801 (CP511)
A2501WV2-4P
CD3805_1
1 SOUND+B SW
0
CU145003
Q3802
2 SOUND+B
KRC102SRTK
3 SOUND GND
0
4 SOUND GND
2
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
1
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A B
H-11
C
C3804
0.001 B
R3805
82K
AT+5V
SW
Q3804
KRA103SRTK
R3808
5 5
4.7K
5 0
SW
Q3801 0
KRA103SRTK
SW 3.5
Q3805
KRC102SRTK
0
0.7
L3805
6.8uH RCH8011NP-6R8L
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
POWER SCHEMATIC DIAGRAM
(AV PCB)
3.3V_REGULATOR IC
IC3804
IN
1
7.5
C3838
0.001 B
C3839
0.0056 B
R3824 R3825
R3826 100K 6.8K
+-1% +-1%
33K
1.2 1.2 1.2 2.5 0 22.5
14 13 12 11 10 9 8
0.2
SW
Q3806
24 KTC3875S_Y_RTK
23.5
1 2 3 4 5 6 7
23.5
0
1.5 1 1.7 2 24 0 NC SW
R3830
24
Q3807
KTA1505S-Y-RTK/P
1.2K
0
CAUTION ATTENTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
C3835
0.22 MMTS
C3836
0.22 MMTS
5.0 4.2 0 0 0 17.8 33.7
14 13 12 11 10 9 8
CVCC COSC NC NC NC CP3 CP3
CP1 CP1 GND CP2 CP2 CREG COUT
1 2 3 4 5 6 7
9.4 5.1 0 17.0 9.5 30.9 30.6
C3829 C3832
0.22 MMTS 0.22 MMTS
C3830
C3833
0.22 MMTS
0.22 MMTS
REG +3.8V IC
PQ070XF01SZH
IC3808 BA7810T-V5
OUT GND
CTL Vcc GND Vout ADJ
2 3 4
1 2 3 4 5
0.3 5.3 3.2 4.5 0 4.0 0
D3809
W835
R3857
SK34A
330 +-1%
L3809
6.8uH
CHOPER RCH8011NP-6R8Lor
SBC4-6R8-452
Q3808
2SJ650
L3808
24.0 10.1
W945
10uH7313N
23.2
D3803
SBR100-10J-CBC11
HS3801
763WAAA070
HS6S
CAUTION: DIGITAL TRANSISTOR
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
H
8
7
TO POWER
STANDBY_LED
TO TUNER
P.CON+5V
P.CON+32V
GND
TO SWITCH/AMP
6
AT+5V
AT+3.3V
GND
TO STEREO
D3804
P.CON+8V
1H3-E
P.CON+5V
AT+5V
GND
FROM/TO AV JACK2
GND
5
TO AV JACK
P.CON+5V
GND
TO AV SWITCH2
AT+5V
AT+3.3V
P.CON+9V
P.CON+5V
GND
FROM SWITCH/AMP
4
PSU_ACD/P.FAIL
PSU_5VD/DSR/LIGHT_CTL
VS_ON/LCDON
RLY_ON/LCD-H
POWER_ON-H
TO REGULATOR
CD3807_1
CP3807 (CP3201)
CU2B6601
A2001WV2-11P
P.CON+12V
P.CON+12V 1
P.CON+9V
3
P.CON+9V 2
P.CON+5V 3
AT+3.3V
AT+3.3V 4
P.CON+3.8V 5
P.CON+3.8V
P.CON+3.8V 6
GND
GND 7
GND 8
GND 9
P.CON+5V 10
AT+5V
AT+5V 11
2
TO SOUND AMP/HEADPHONE
AT+5V
GND
SOUND+B
SOUND_GND
PCBD20
CMF091
CAUTION: DIGITAL TRANSISTOR
1
H
H-12