Sound Schematic Diagram - Sharp LC-26SB14U - 26" LCD TV Service Manual

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
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A B
H-33
C D

SOUND SCHEMATIC DIAGRAM

(POWER PCB)
SOUND AMP IC
IC302 AN17808B
+ ATT. +
RIPPLE
FILTER
CH1 CH2
NC GND NC
RF
IN IN
1 2 3 4 5
0.2 20.0 0 0.2 0
NC
C307
1 B
C341
1 B
GND
0
5.0 STANDBY SW
Q307
KRC103SRTK
3.3
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED CAUTION
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C D
E
+
+
-
-
ATT.CONT.
C349_1
CH2 STAND CH1
MUTE GND VCC
OUT -BY OUT
6 7 8 9 10 11 12 25V 1000 MHE
0.7 0 0 19.0 3.3 0.7
NC
C350_1
25V 1000 MHE
HS92
HS302
763WAA0368
W867
:SINCE THESE PARTS MARKED BY ARE ATTENTION
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
E
F G
17
CP302
A2502WR-4A
SP OUT L 1
GND 2
W826
GND 3
W829
SP OUT R 4
18
C359_2
1 F
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
CD301
(L) SPEAKER
E8144301
SP302
S0412F06
1
2
3 SPEAKER
4 SP301
S0412F06
(R)
6
5
4
3
2
PCB240
CEG353
1
H
H-34