Samsung HT-C5500 Service Manual page 44

Troubleshooting
0.01OHM 0.01OHM
5000MA 5000MA
BD701 BD701
DGND DGND
D3.3V_PW D3.3V_PW
DGND DGND
7C5< 7C3<15A9>
EJTAG_TRSTB EJTAG_TRSTB
EJTAG_TDI EJTAG_TDI
EJTAG_TMS EJTAG_TMS
EJTAG_TCK EJTAG_TCK
EJTAG_TDO EJTAG_TDO
IC301
4-14
BSC_S_SCL BSC_S_SCL
BSC_S_SDA BSC_S_SDA
IC1 IC1
H18 H18
CLK27_XTALN CLK27_XTALN
PLL_AVDD12 PLL_AVDD12
CLK27_XTALP CLK27_XTALP
BYP_SYS800_PLL BYP_SYS800_PLL
BYP_216_CLK BYP_216_CLK
PLL_TESTOUT PLL_TESTOUT
H17 H17
PLL_VSS PLL_VSS CLK33_OUT CLK33_OUT
R7 R7
TEST_MODE0 TEST_MODE0
P7 P7
TEST_MODE1 TEST_MODE1 EJTAG_TRSTB EJTAG_TRSTB
J7 J7
TEST_MODE2 TEST_MODE2 EJTAG_TCK EJTAG_TCK
M7 M7
TEST_MODE3 TEST_MODE3 EJTAG_TMS EJTAG_TMS
EJTAG_TDI EJTAG_TDI
EJTAG_TDO EJTAG_TDO
BSC_S_SCL BSC_S_SCL
BSC_S_SDA BSC_S_SDA
P1 P1
H4 H4
RESETB RESETB
RESET_OUTB RESET_OUTB
FP_4SEC_RESETB FP_4SEC_RESETB
AA21
AA21
REG_OUT_2P5 REG_OUT_2P5
REG_VDD33 REG_VDD33
DGND DGND
MRST MRST
2
D3.3V_PW D3.3V_PW
 MAIN PCB Top, page 6-9
R105 R105
220OHM 220OHM
H20 H20
H19 H19
TP17 TP17
J19 J19
J20 J20
TP18 TP18
H16 H16
TP19 TP19
H7 H7
R5 R5
R103 R103
EJTAG_CE EJTAG_CE
R3 R3
EJTAG_TRSTB EJTAG_TRSTB
R4 R4
EJTAG_TCK EJTAG_TCK
P4 P4
EJTAG_TMS EJTAG_TMS
P3 P3
EJTAG_TDI EJTAG_TDI
P2 P2
EJTAG_TDO EJTAG_TDO
T6 T6
BSC_S_SCL BSC_S_SCL
U4 U4
BSC_S_SDA BSC_S_SDA
P5 P5
RESET_OUTB RESET_OUTB
Y22
Y22
Y21 Y21
OTP_V2P5 OTP_V2P5
 NAND FLASH / CLOCK / BBS / JTAG, page 7-13
DGND DGND
D5.0V_PW D5.0V_PW
DGND DGND
<Fig. 4-7>
1 1
2 2
3 3
2
27PF 27PF
50V 50V
C51 C51
27PF 27PF
50V 50V
C52 C52
7D3< 7D3<
CLK33_CLK CLK33_CLK
D3.3V_PW D3.3V_PW
10KOHM 10KOHM
7D6< 7D6<
7D6< 7D6<
7D6< 7D6<
7D6< 7D6<
7D6< 7D6<
7E6< 7E6<
7E6< 7E6<
8F2<13E1<
D2.5V_PW D2.5V_PW
2
NC NC
CN5 CN5
1 1
2 2
3 3
4 4
<X1 Must be 27MHz>
5 5
6 6
7 7
8 8
9 9
10
10
11 11
10019HR-11A00 10019HR-11A00
CN6 CN6
Samsung Electronics
MGND1 MGND1
IC17