Sharp LC32SB27U - LC - 32" LCD TV Service Manual page 79

MAIN Unit-2 (LC-32SB27U)
J
I
H
G
F
E
D
C
B
A
1 2 3 4
INPUT3 INPUT1 INPUT2
J501 J504
J503
GA079WJ GA108WJ
GA108WJ
J502
FA039WJ
W
R
1 7 6 2 5 3 4 1 2 3 4 5 6 7
1 2 3 4 1 2 3 4 5 6 7
R501 R549
R545
1K 1K 1K
R547 R548 R550 R551 R552
75 75 75 75 75
R504 R512
220 1/10W 1/10W 1/10W 1/10W 1/10W
220
R541
220
R503 R546
75 R505 R513 R543 R544 R542 75
220 100K 1/10W
1/10W 100K 100K 100K
C513 C511
C501 C509
1u 1u 1u
1u 10V
10V 10V 10V
CYB
CYB CYB CYB
*D502
MAZ9120H
COMP1_Y COMP1_Y
1 2
3
*D503
COMP1_PB MAZ9120H COMP1_PB
1 2
3
*D504
COMP1_PR MAZ9120H COMP1_PR
1 2
3
*D508
CVBS MAZ9120H
1 2
C637
220P
50V
CCZ
3
*D505
COMP2_Y MAZ9120H COMP2_Y
1 2
D509
3 MAZ9120H
S1_Y
1
*D501
MAZ9120H
COMP2_PB COMP2_PB
3
1 2
3
D510
S1_C MAZ9120H
1
*D506
COMP2_PR MAZ9120H COMP2_PR
3
1 2
3
TO MAIN13(POWER)
A9V
D3.3V
A5V
5V D601
MA152WK
1
3
2
D604
MAZ9120H
1 2
R609
75
1/10W
3
FB603
0093GE
R
D605
FB604
0093GE MAZ9120H
G
B
SC601
NA770WJ
FB605 1 2
R610
0093GE
75
5 4 3 2 1 1/10W
17 10 9 8 7 6 16
3
15 14 13 12 11
D606
GND_B MAZ9120H
1 2
R613
75
1/10W
3
FB606 R611
A204WJ 100 CZ
D602 C607
R607
EXA523WJ 47P
2.2K
CZ 5.6V CH
FB607
A204WJ
R612 D603
R608 C608
100 EXA523WJ
2.2K 47P
CZ CZ 5.6V CH
J601
C605
EA103WJ FB601 R604 R605
A045WJ 1u CYB
2 100K 220 J RGB_L
3 RGB_R
1 FB602 R606
A045WJ C606
220 J 1u
CYB
R603
100K GND_B
5 6 7 8 9
MAIN2 (A_TERM)
*J506
J505
DA035WJ
FA039WJ J507
R W FA039WJ
R W
4 3
1 2 3 4
1 2 3 4
2 1
7 5 6
R574 R576
220
*C533 220
R571 R573
0.1u 75
R557 R559 75
1/10W 25V Z 1/10W
220 220
R558 R560
100K 100K
R575 R577
100K
100K GND_B
C527 C534 C535
C525 *R572 1u 1u
1u 1u
10V 1K 10V 10V
10V CYB CYB
CYB CYB
R581
7 8
5 6
3 4
1 2
22K
6
1
C541
0.1u
C627
10u
16V
CVBS
C537
2.2u
R561 10V
100K Q507
C523 KTC3875SG
4.7u R579 R580
6.3V
47K 47K
CKZ R570
47
Y_SIG1
2
R562
100K R567
470 4.4 4.5 4.5 9.0
1/10W
5 6 7 8
+
R563
100K Q508 -
KTC3875SG
C524
4 3 2 1
0.01u
R569 0 4.4 4.5 4.5
47
2 C_SIG1
R564
100K R568
470
1/10W
PCIN_R
R627
47
PCIN_G
R625
47 R639
47K
C642
C641 R661
10u 0.01u 10 J
R662
10V 25V
KZA616WJQZ 10 J
4.8 0 4.7 4.7 D607
PCIN_B
6 5 4 8 7 6 5 1PS226
WP 3 3
VCC SCL SDA
IC602
S24CS02J
R622 EEPROM 1 2 1
47
A2
A0 A1 VSS
R636 1 2 3
33 CZ 1 2 3 4
R635 PCIN_H
0 0 0 0
0.0 33 CZ PCIN_V
1 A1 Y1 6 3.3
Q604
0.0
2 GND VCC 5 3.3 RN4983
0.0
3 A2 Y2 4
3.3
IC601 C616
0.1u
10V K
LVC2G14G
UHS DUAL INVERTER
10 11 12 13
10 – 5
LC-32D47U/LC-32SB27U/LC-C3237U
[2/14]
MAIN UNIT 2/14
DUNTKF030WE
(PWBXF030WJ)
TO MAIN3(AMP_IF)
LINE_OUT_L
LINE_OUT_R
TO MAIN8(CPU)
AUDIO_CTL0
AUDIO_CTL1
5 4 6 5 4
2 3 1 2 3
V3_L
V2_L
V1_L
Z
25V RGB_L
4.5 0.0
0.0
9.0 4.5 4.5 8.9 0.0
16 15 14 13 12 11 10 9
VDD 2X 1X X-COM 0X 3X A B
AUDIO SWITCH
IC503
TC4052BT
0Y 2Y Y-COM 3Y 1Y INH VEE VSS
1 2 3 4 5 6 7 8
0.2 0.1 4.5 4.5 5.0 0.0 0.0 0.0
RGB_R
V1_R
V2_R
V3_R
R583
47K
TO MAIN8(CPU)
AINR
AINL
R582
47K
GND_B
TO MAIN8(CPU)
COMP1_PB
COMP1_PB
COMP1_PR
COMP1_PR
COMP1_Y
COMP1_Y
COMP2_PB
COMP2_PB
COMP2_PR
COMP2_PR
COMP2_Y
COMP2_Y
CVBS
CVBS
Y_SIG1
Y_SIG1
C_SIG1
C_SIG1
TO MAIN7(UCOM)
HDMI_WP
R641
47K TO MAIN8(CPU)
C1_PLG
C1_PLG
S1_PLG
S1_PLG
D608
1PS226
C2_PLG
C2_PLG
V3_PLG
V3_PLG
2
PCIN_R
PCIN_R
PCIN_G
PCIN_G
PCIN_B
PCIN_B
PCIN_H
PCIN_H
PCIN_V
PCIN_V
14 15 16 17 18 19