Sharp LC-26SH10U Service Manual page 55

A B
8
HS2401
763WAA0351
C2500 0.1 B
1.2
C2505 0.1 B
1.2
C2581 0.1 B
1.2
C2582 0.1 B
1.2
C2401 1 B
1.2
7
C2402 0.1 B
1.2
C2403 0.1 B
1.2
C2404 0.1 B
1.2
C2405 0.1 B
1.2
C2406 0.1 B
1.2
C2407 0.1 B
1.2
C2408 1 B
1.2
6 C2409 0.1 B
1.2
C2410 0.1 B
1.2
C2583 0.1 B
1.2
C2584 0.1 B
1.2
C2585 0.1 B
1.2
C2586 0.1 B
1.2
C2411 1 B
1.2
C2412 0.1 B
1.2
C2413 0.1 B
1.2
C2414 0.1 B
5
1.2
C2415 0.1 B
1.2
C2416 1 B
1.2
C2417 0.1 B
1.2
C2418 0.1 B
1.2
C2419 0.1 B
1.2
C2420 1 B
1.2
C2587 0.1 B
1.2
C2588 0.1 B
1.2
C2589 0.1 B
1.2
4
C2590 0.1 B
1.2
C2421 0.1 B
1.2
C2422 0.1 B
1.2
FROM FLASH
3
DTV_RESET
FROM AV OUT
DTV_RESET
FROM POWER2
2
CORE_1.2V
+1.8V
+3.3V
D_GND
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A B
H-35
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C
ATSC/CLEAR CABLE ASIC ATSC/CLEAR CABLE ASIC
IC2401 X240H (1/14 VDD) IC2401
C2423 0.1 B
3.3 0
E11 VDDC VDDP E6 K10
C2424 0.1 B
3.3 0
E12 VDDC VDDP E7 K11
C2425 0.1 B
3.3 0
E16 VDDC VDDP E8 K12
C2426 0.1 B
3.3 0
E17 VDDC VDDP E9 K13
C2427 1 B
3.3 0
E20 VDDC VDDP E10 K14
C2591 0.1 B
3.3 0
E21 VDDC VDDP H5 K15
C2592 0.1 B
3.3 0
E24 VDDC VDDP K5 K16
C2593 0.1 B
3.3 0
E25 VDDC VDDP L5 K17
C2594 0.1 B
3.3 0
F5 VDDC VDDP J5 K18
0
G5 VDDC K19
0
G26 VDDC K20
C2428 0.1 B
3.3 0
H26 VDDC VDDR3 E13 K21
C2429 0.1 B
3.3 0
VDDR3 E14 L10
C2430 0.1 B
3.3 0
VDDR3 E18 L11
C2431 0.1 B
3.3 0
L26 VDDC VDDR3 E19 L12
C2432 0.1 B
3.3 0
M5 VDDC VDDR3 E22 L13
C2433 0.1 B
0
3.3
M26 VDDC VDDR3 E23 L14
C2434 0.1 B
0
3.3
N5 VDDC VDDR3 E26 L15
C2435 1 B
0
3.3
U5 VDDC VDDR3 F26 L16
C2595 0.1 B
0
3.3
V5 VDDC VDDR3 P5 L17
C2596 0.1 B
0
3.3
V26 VDDC VDDR3 R5 L18
C2597 0.1 B
0
3.3
W26 VDDC VDDR3 W5 L19
C2598 0.1 B
0
3.3
AA5 VDDC VDDR3 Y5 L20
C2436 0.1 B
0
3.3
AB5 VDDC VDDR3 AC5 L21
C2437 0.1 B
0
3.3
AD26 VDDC VDDR3 AD5 M10
C2438 0.1 B
0
3.3
AE5 VDDC VDDR3 AF6 M11
C2439 1 B
0
3.3
AE26 VDDC VDDR3 AF7 M12
C2599 0.1 B
0
3.3
AF5 VDDC VDDR3 AF10 M13
C2600 0.1 B
0
3.3
AF8 VDDC VDDR3 AF11 M14
C2601 0.1 B
3.3 0
AF9 VDDC VDDR3 AF14 M15
C2602 0.1 B
3.3 0
AF12 VDDC VDDR3 AF15 M16
C2440 0.1 B
3.3 0
AF13 VDDC VDDR3 AF19 M17
C2441 0.1 B
3.3 0
AF17 VDDC VDDR3 AF20 M18
C2442 0.1 B
3.3 0
AF18 VDDC VDDR3 J26 M19
C2443 1 B
3.3 0
AF21 VDDC VDDR3 K26 M20
0
AF22 VDDC M21
0
N10
C2444 0.1 B
1.8 0
VDDC18_RIGHT N26 N11
C2445 0.1 B
1.8 0
VDDC18_TOP E15 N12
C2446 0.1 B
1.8 0
VDDC18_BOTTOM AF16 N13
C2447 1 B
1.8 0
VDDC18_LEFT T5 N14
0
N15
0
N16
0
N17
0
N18
0
N19
0
N20
0
N21
OSC1.8V
FDCFE1.8V
VDDC_1.8V
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
ASIC SCHEMATIC DIAGRAM
(DIGITAL PCB)
ATSC/CLEAR CABLE ASIC
(2/14 VSS) X240H IC2401 (3/14 VSS) X240H
0 0 0
VSS VSS P10 V10 VSS VSS AA10
0 0 0
VSS VSS P11 V11 VSS VSS AA11
0 0 0
VSS VSS P12 V12 VSS VSS AA12
0 0 0
VSS VSS P13 V13 VSS VSS AA13
0 0 0
VSS VSS P14 V14 VSS VSS AA14
0 0 0
VSS VSS P15 V15 VSS VSS AA15
0 0 0
VSS VSS P16 V16 VSS VSS AA16
0 0 0
VSS VSS P17 V17 VSS VSS AA17
0 0 0
VSS VSS P18 V18 VSS VSS AA18
0 0 0
VSS VSS P19 V19 VSS VSS AA19
0 0 0
VSS VSS P20 V20 VSS VSS AA20
0 0 0
VSS VSS P21 V21 VSS VSS AA21
0 0
VSS VSS R10 W10 VSS VSS A2
0 0 0
VSS VSS R11 W11 VSS VSS A29
0 0 0
VSS VSS R12 W12 VSS VSS B1
0 0
0
VSS VSS R13 W13 VSS VSS B2
0 0 0
VSS VSS R14 W14 VSS VSS C3
0 0 0
VSS VSS R15 W15 VSS VSS D4
0 0 0
VSS VSS R16 W16 VSS VSS E5
0 0 0
VSS VSS R17 W17 VSS VSS AJ1
0 0 0
VSS VSS R18 W18 VSS VSS AJ30
0 0 0
VSS VSS R19 W19 VSS VSS AK2
0 0 0
VSS VSS R20 W20 VSS VSS AK29
0 0
VSS VSS R21 W21 VSS
0 0
VSS VSS T10 Y10 VSS
0 0
VSS VSS T11 Y11 VSS
0 0
VSS VSS T12 Y12 VSS
0 0
VSS VSS T13 Y13 VSS
0 0
VSS VSS T14 Y14 VSS
0 0
VSS VSS T15 Y15 VSS
0 0
VSS VSS T16 Y16 VSS
0 0
VSS VSS T17 Y17 VSS
0 0
VSS VSS T18 Y18 VSS
0 0
VSS VSS T19 Y19 VSS
0 0
VSS VSS T20 Y20 VSS
0 0
VSS VSS T21 Y21 VSS
0 0
VSS VSS U10 Y30 VSS
0
VSS VSS U11
0
VSS VSS U12
0
VSS VSS U13
0
VSS VSS U14
0
VSS VSS U15
0
VSS VSS U16
0
VSS VSS U17
0
VSS VSS U18
0
VSS VSS U19
0
VSS VSS U20
0
VSS VSS U21
D E
F G
ATSC/CLEAR CABLE ASIC
IC2401 X240H
(4/14 OSC)
37
0.8
C2453 10P CH
F27 XTALIN TRSTb AK7
55.474MHz
+-15ppm TMS AG9
R2407
1.1
C2454 10P CH
F28 XTALOUT TCK AH8
C2451 L2401
100
TDI AJ7
1uH
0.001 B
NLV25T
TDO AK6
B2401
1.8
OSC_AVDD
G28 OSC_AVDD DINT AG8
R2401 4.7
BLM18BD151SN1
TAPSEL AH7
1.2
F29 OSC_AVSS
0
G27 OSC_GUARD RESETb B14
NC H27 OSC_CLK RESETOUTb C14
38
C2456
1.5
D21 FE_XTALIN
25.140MHz
20P CH
+-15ppm
C2457
1.7
D20 FE_XTALOUT
18P CH
R2402
B2403
1.8
FE_OSC_AVDD
B20 FE_OSC_AVDD TESTEN D15
4.7
BLM18BD151SN1
RSVD M2
(TEST MODE)
0
A20 FE_OSC_AVSS
0
C20 FE_OSC_GUARD NMI A14
C2448 10 C
NC B21 FE_OSC_CLK
R2404
B2404
1.8
MPVDD
AF29 MPVDD RSVD(0) AF2
BLM18BD151SN1 4.7
RSVD(1) AF1
0
AE29 MPVSS RSVD(2) AG4
C2449 10 C
RSVD(3) AG3
RSVD(4) AG2
R2405
B2405
1.8
VPVDD
G30 VPVDD RSVD(5) AG1
4.7
BLM18BD151SN1
RSVD6 AH1
0
G29 VPVSS RSVD7 AH2
C2450 10 C
RSVD11 H29
RSVD12 H30
R2406
B2406
1.8
FPVDD
D19 FPVDD
4.7
BLM18BD151SN1
0
D18 FPVSS
C2452 10 C
R2403
B2402
1.8
PMIVDD
W4 PMIVDD
4.7
BLM18BD151SN1
0
Y4 PMIVSS
C2455 10 C
R2417
100
RESET IC
IC2405 BD5229G-TR
3.24 1.85
VOUT CT
3.24
VDD
0
0
NC
GND NC
F G
H
8
NC
NC
NC
NC
NC
7
NC
NC
3.3
XILLEON_RESET_IN#
NC
6
0
TESTEN R2414 1K
NC
NC
NC
NC
5
NC
NC
NC
NC
NC
NC
NC
NC
4
3
XILLEON_RESET_IN#
2
PCBDH0 1
CEF169
H
H-36