Sharp LC32DV24U - 31.5" LCD TV Service Manual page 69

A B
8
7
FROM JACK2
ROUT_SOUND
LOUT_SOUND
FILTER_MUTE
POP_MUTE
6
FROM POWER
SOUND+B
5
SOUND_GND
P_GND
FROM POWER2
R303
P.CON+5V
3.3K
FROM/TO REGULATOR
(A_GND)
GND
4
3
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
H-41
C
SOUND SCHEMATIC DIAGRAM
NC
1
NC
C307
1 B
C341
1 B
GND
0
5.0
STANDBY SW
KRC103SRTK
3.3
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D E
(POWER PCB)
SOUND AMP IC
IC302 AN17808B
+
+
-
-
ATT.CONT.
+ ATT. +
RIPPLE
FILTER
CH1 CH2 CH2 STAND CH1
GND NC MUTE GND VCC
RF
IN IN OUT -BY OUT
2 3 4 5 6 7 8 9 10 11 12
0.2 20.0 0 0.2 0 0.7 0 0 19.0 3.3 0.7
NC
Q307
W867
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
C349_1
25V 1000 MHE
17
W829
W826
C350_1
18
25V 1000 MHE
HS92
HS302
763WAA0368
C359_2
1 F
ATTENTION
: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
CD301
(L) SPEAKER
E8145002
CP302 SP302
A2502WR-4A
S0412F06
SP OUT L 1 1
GND 2 2
GND 3 3 SPEAKER
SP OUT R 4 4 SP301
S0412F06
(R)
6
5
4
3
2
PCB240
CEG353
CAUTION: DIGITAL TRANSISTOR
1
H
H-42