Sharp LC-26DV24U Service Manual page 68

A B
8
7
FROM JACK2
ROUT_SOUND
LOUT_SOUND
FILTER_MUTE
POP_MUTE
6
FROM REGULATOR
(A_GND)
GND
SOUND+B
5
SOUND_GND
P_GND
R303
P.CON+5V
3.3K
4
3
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
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.
A B
H-41
C
SOUND SCHEMATIC DIAGRAM
C307
1 B
C341
1
0
5.0
3.3
CAUTION
:SINCE THESE PARTS MARKED BY ARE ATTENTION
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C
D E
(POWER PCB)
SOUND AMP IC
IC302 AN17808B
+
+
-
-
ATT.CONT.
+ ATT. +
RIPPLE
FILTER
CH1 CH2 CH2 STAND CH1
NC GND NC MUTE GND VCC
RF
IN IN OUT -BY OUT
1 2 3 4 5 6 7 8 9 10 11 12
0.2 16.0 0 0.2 0 0.7 3.7 0 16.5 3.3 0.7
NC NC
B
STANDBY SW
Q307
KRC103SRTK
W867
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
D E
F G
17
C349_1
25V 1000 MHE
W829
W826
C350_1
25V MHE
1000
18
HS92
HS302
763WAA0368
C359_2
1
F
F G
H
8
7
CD301
SPEAKER
E8144301 SP302
CP302
A2502WR-4A
S0412F06
SP OUT L 1 4
GND 2 3
GND 3 2 SPEAKER
SP OUT R 4 1 SP301
S0412F06
(R)
6
5
4
3
2
PCB240
CEG353
1
H
H-42