Samsung HT-C5500 Service Manual page 50

5000MA 5000MA
R4512 R4512
Troubleshooting
NTR2101PT1G NTR2101PT1G
Q19 Q19
C C
Q17 Q17
B B
E E
MMBT2222A MMBT2222A
DGND 1UF DGND 1UF
C30 C30
10V 10V
1UF 1UF
C31 C31
10V 10V
1UF 1UF
C32 C32
10V 10V
1UF 1UF
10V 10V
C25 C25
2
CE3.3V
CER15 CER15
100OHM 100OHM
1/16W 1/16W
CER97 CER97
NC NC
CER11 CER11
10KOHM 10KOHM
1/16W 1/16W
CE3.3V CE3.3V
DGND DGND
4-20
1201-003013 1201-003013
C41 C41
R1455 R1455
DGND DGND
DGND DGND
CE3.3V
1 1
2 2
10KOHM 10KOHM
3 3
1/16W 1/16W
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 12
13 13
14 14
15 15
16 16
CER10 CER10
10KOHM 10KOHM
1/16W 1/16W
 MAIN PCB Bottom, page 6-12
DGND DGND
3 3
2A 2A
4 4
2B1 2B1
DGND DGND
MM1797DVBE MM1797DVBE
IC301 IC301
1 1 16 16
VIN VIN VCC2 VCC2
2 2 15 15
10UF 10UF
VCC1 VCC1 VOUT VOUT
3 3 14 14
10V 10V
PYIN PYIN
4 4 13 13
NC NC
BIAS PYOUT BIAS PYOUT
5 5 12 12
PBIN PBIN NC NC
6 6 11 11
GND1 GND1 PBOUT PBOUT
7 7 10 10
10KOHM 10KOHM
PRIN PROUT PRIN PROUT
8 8 9 9
CTRL CTRL GND2 GND2
CER21 CER21
10KOHM 10KOHM
1/16W 1/16W
CEIC1 CEIC1
32 32
R04/AN4/EC0/RXD R04/AN4/EC0/RXD
31 31
R03/AN3/INT2 R03/AN3/INT2
R05/AN5/T0O/TXD R05/AN5/T0O/TXD
R02/AN2/SOUT R02/AN2/SOUT 30 30
R06/AN6/T2O/ACLK R06/AN6/T2O/ACLK
R01/AN1/SI R01/AN1/SI 29 29
R07/AN7/EC1 R07/AN7/EC1
R00/INT3/SCK R00/INT3/SCK 28 28
VDD VDD
VSS VSS 27 27
R10/AN0/AVREF/PWM1O R10/AN0/AVREF/PWM1O
#RESET/R35 #RESET/R35 26 26
R11/INT0/PWM3O R11/INT0/PWM3O
XOUT/R34 XOUT/R34 25 25
R12/INT1/BUZO R12/INT1/BUZO
XIN/R33 XIN/R33 24 24
R13 R13
R32/AN15 R32/AN15 23 23
R14 R14
R31/AN14 R31/AN14 22 22
R15 R15
R30/AN13 R30/AN13 21 21
R16 R16
R27 R27 20 20
R17/AN8 R17/AN8
R26/AN12 R26/AN12 19 19
R20 R20
R25/AN11 R25/AN11 18 18
R21 R21
R24/AN10 R24/AN10 17 17
R22 R22
R23/AN9 R23/AN9
DGND DGND
<Fig. 4-11>
7 7
1A 1A
6 6
1B1 1B1
2
75OHM 75OHM
R43 R43
75OHM 75OHM
R44 R44
75OHM 75OHM
R45 R45
75OHM 75OHM
R46 R46
DGND DGND
 VIDEO / IPOD VIDEO, page 7-9
R43
2
TP3A TP3A
CER27 CER27
<R43 Composit Output Color Bar>
DGND DGND
CER22 CER22
1/16W 1/16W
1MOHM 1MOHM
CER19 CER19
CE3.3V
DGND DGND
Samsung Electronics
IPD_COMPOSITE IPD_COMPOSITE
VC2 VC2
NC NC
15E1< 15E1<
LINE_IN_R LINE_IN_R
LINE_IN_L LINE_IN_L
15E1< 15E1<
CVBS_DET CVBS_DET
COM_Y_DET COM_Y_DET
CE3.3V
4.7KOHM 4.7KOHM
1/16W 1/16W NC NC
CEC3 CEC3
10UF 10UF
16V 16V
100OHM 100OHM
DGND DGND
1/16W 1/16W
CER23 CER23
4MHZ 4MHZ
DGND DGND
100OHM 100OHM
1/16W 1/16W
VC1 VC1
NC NC
VC3 VC3
NC NC
VC4 VC4
NC NC
DG DG
R801 R801
R801 R801
DGN DGN