Sharp LC-26SH12U - 26" LCD HDTV Service Manual page 43

A B
8
7
FROM/TO POWER3
6 AT+5V
MUTE SW
KTC3875S_Y_RTK
FROM/TO FRONT END
R1005
AUDIO_MUTE-H
10K
FROM/TO POWER3
GND
SOUND+B
5
SOUND_GND
P.CON+5V
P.CON+9V
FROM/TO MICON
4 POWER_ON_MUTE_H
SW
L X242
H
OTHER
FROM/TO AV OUT
R1017 C1036
AUDIO_R_OUT
8.2K 10 B
AUDIO_L_OUT
R1020 C1037
3
4.7K 10 B
R1021 C1038
8.2K 10 B
FROM/TO AV SWITCH JACK
SW_A_OUT_R
R1022 C1039
SW_A_OUT_L
2
4.7K 10 B
FROM/TO FRONT END
DTUNER_AUDIO_SW
FROM/TO FLASH
10
I2C_DATA
I2C_CLK
11
1
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
H-21
C
SOUND SCHEMATIC DIAGRAM
MUTE SW
Q1003
KTC3875S_Y_RTK
R1002 5.0
SW
Q1002
5.0
1K
KRA101SRTK 0
5.0 5.0
4.3
R1001
Q1001 1.5K 5.0
R1003
4.2
5.0
3.0 1K
0
MUTE SW
0
Q1004
KTC3875S_Y_RTK
R1018
3.3K
FCM1608KF-151T06
13
AUDIO SW IC
IC1003 MM1501XNRE
5.3 0
Vin1 SW
0 4.6
GND OUT
5.3 9.0
Vin2 VCC
20 19 18 17 16
AUDIO SW IC
IC1004 MM1501XNRE
5.3 0
Vin1 SW
0 4.6
GND OUT
1 2 3 4 5
5.3 9.0
Vin2 VCC
CAUTION
:SINCE THESE PARTS MARKED BY
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST CRITICAL FOR SAFETY,USE ONES
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL. DESCRIBED IN PARTS LIST ONLY
C
D E
(DIGITAL PCB)
SOUND AMP IC
IC1001 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
0.2 16.0 0 0.2 0 0.7 3.7 0 16.5 3.4 0.7
NC NC
C1015
1 B
C1016
1 B
0
STANDBY SW
Q1005
5.0
KRC103SRTK
3.4
R1027
10K
B1001
12
15 14 13 12 11
6 7 8 9 10
ATTENTION
:LES PIECES REPAREES PAR UN
ARE
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
12
14
C1014
B1004
B1009
25V 1000 YK_P HCB1608KF-181T20
FCM1608KF-151T06
C1013
B1005
25V 1000 YK_P HCB1608KF-181T20
15
HS1001
763WAA0295
HS33V6
ACCESSORY
CD3805
TM101
P201-2476-2
ETR0088-010161
BT001
GR6M
BT002
GR6M
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
ETANT
F G
H
8
7
SPEAKER
CP1001
A2502WV2-4P
SP1001
SP OUT L 1 1 S0412F03
GND 2 2
SPEAKER
GND 3 3
6
SP OUT R 4 4
SP1002
S0412F03
CD301_1
TR1001
CU145005
HF70T22*10*14
5
4
3
2
AUDIO SIGNAL(REC)
1
PCBDH0
CEF276
H
H-22