Samsung HT-C5200/EDC Service Manual page 38

Troubleshooting
PORT0 PORT0
MGND1 MGND1
MGND3 MGND3
CN401 CN401
18. +5V 18. +5V
19. HPDET 19. HPDET
17. GND 17. GND
16.DDC DATA 16.DDC DATA
15. DDC CLK 15. DDC CLK
14. NC 14. NC
12. CK- 12. CK-
13. CE REMOTE 13. CE REMOTE
11. CK SHIELD 11. CK SHIELD
10. CK+ 10. CK+
9. DO- 9. DO-
8. D0 SHIELD 8. D0 SHIELD
6. D1- 6. D1-
7. D0+ 7. D0+
5. D1 SHIELD 5. D1 SHIELD
4. D1+ 4. D1+
3. D2- 3. D2-
2. D2 SHILD 2. D2 SHILD
1. D2+ 1. D2+
MGND4 MGND4
MGND2 MGND2
FD05015-19 FD05015-19
PORT1 PORT1
MGND3 MGND3
MGND1 MGND1
CN402 CN402
18. +5V 18. +5V
19. HPDET 19. HPDET
17. GND 17. GND
16.DDC DATA 16.DDC DATA
15. DDC CLK 15. DDC CLK
14. NC 14. NC
12. CK- 12. CK-
13. CE REMOTE 13. CE REMOTE
11. CK SHIELD 11. CK SHIELD
10. CK+ 10. CK+
9. DO- 9. DO-
8. D0 SHIELD 8. D0 SHIELD
6. D1- 6. D1-
7. D0+ 7. D0+
5. D1 SHIELD 5. D1 SHIELD
4. D1+ 4. D1+
3. D2- 3. D2-
4-8
2. D2 SHILD 2. D2 SHILD
1. D2+ 1. D2+
1/16W 1/16W
56KOHM 56KOHM
DGND DGND
47KOHM 47KOHM
1/16W 1/16W
P0_5V P0_5V
19 19
18 18
17 17
16 16
15 15
14 14
13 13
12 12
11 11
10 10
9 9
8 8
7 7
DGND DGND
6 6
5 5
4 4
3 3
2 2
1 1
DGND DGND
DGND DGND
1
1/16W 1/16W
56KOHM 56KOHM
DGND DGND
47KOHM 47KOHM
1/16W 1/16W
P1_5V P1_5V
1/16W 1/16W
IC402
1/16W 1/16W
19 19
18 18
17 17
16 16
15 15
14 14
13 13
12 12
11 11
10 10
 MAIN PCB Top, page 6-9
9 9
8 8
7 7
6 6 DGND DGND
5 5
4 4
3 3
2 2
1 1
D5.0V_PW D5.0V_PW
P0_5V P0_5V
1/16W 1/16W
R407 R407
0OHM 0OHM
R408 R408
0OHM 0OHM
1/16W 1/16W
R409 R409
0OHM 0OHM
1
1/16W 1/16W
6E8< 6E8<
3F1<> 3F1<>
4E3< 4E3<
D401 D401
1 1
OUT_LINES OUT_LINES
IN_LINES IN_LINES
2 2
IN_LINES IN_LINES OUT_LINES OUT_LINES
3 3
GND GND
GND GND
4 4
IN_LINES IN_LINES OUT_LINES OUT_LINES
5 5
IN_LINES IN_LINES OUT_LINES OUT_LINES
RCLAMP0524P.TCT RCLAMP0524P.TCT
D402 D402
1
1
OUT_LINES OUT_LINES
IN_LINES IN_LINES
2
2
IN_LINES IN_LINES OUT_LINES OUT_LINES
3
3
GND GND
GND GND
4
4
IN_LINES IN_LINES OUT_LINES OUT_LINES
5
5
IN_LINES IN_LINES OUT_LINES OUT_LINES
RCLAMP0524P.TCT RCLAMP0524P.TCT
P1_5V P1_5V D5.0V_PW D5.0V_PW
1/16W 1/16W
R410 R410
0OHM 0OHM
R411 R411
0OHM 0OHM
R412 R412
0OHM 0OHM
3F1<> 3F1<>
6E8< 6E8<
D403 D403
1
1
OUT_LINES OUT_LINES
IN_LINES IN_LINES
2
2
IN_LINES IN_LINES OUT_LINES OUT_LINES
3
3
GND GND
GND GND
4
4
IN_LINES IN_LINES OUT_LINES OUT_LINES
5
5
IN_LINES IN_LINES OUT_LINES OUT_LINES
<Fig. 4-2>
RCLAMP0524P.TCT RCLAMP0524P.TCT
D404 D404
1 1
OUT_LINES OUT_LINES
IN_LINES IN_LINES
2 2
IN_LINES IN_LINES OUT_LINES OUT_LINES
3 3
GND GND
GND GND
4 4
IN_LINES IN_LINES OUT_LINES OUT_LINES
5 5
IN_LINES IN_LINES OUT_LINES OUT_LINES
P0_5V P0_5V
2SA1979S-Y 2SA1979S-Y
Q401 Q401
330OHM 330OHM
1/16W 1/16W
5C2<> 5C2<> DTC124EK DTC124EK
RXSDA0 RXSDA0
Q403 Q403
C C
B B
RXSCL0 RXSCL0
E E
HDMI_CEC HDMI_CEC
DGND DGND
10 10
RXC0M RXC0M
9 9
RXC0P RXC0P
8 8
7 7
RXO0M RXO0M
6 6
RXO0P RXO0P
DGND DGND
10
10
RX10M RX10M
9
9
RX10P RX10P
8
8
7
7
RX20M RX20M
6
6
RX20P RX20P
DGND DGND
 HDMI MICOM, page 7-10
1
P1_5V P1_5V
2SA1979S-Y 2SA1979S-Y
Q402 Q402
<HDMI EYE SIGNAL>
1/16W 1/16W
330OHM 330OHM
5A4<> 5A4<> DTC124EK DTC124EK
RXSDA1 RXSDA1
Q404 Q404
C C
RXSCL1 RXSCL1 B B
E E
HDMI_CEC HDMI_CEC
4B3< 4B3<
DGND DGND
10
10
R491 R491
9
9
R492 R492
10OHM 10OHM
8
8
10OHM 10OHM
7
7
R493 R493
6
6
R494 R494
10OHM 10OHM
10OHM 10OHM
DGND DGND
IC1402
10 10
R495 R495
9 9
Samsung Electronics
R496 R496
10OHM 10OHM
8 8
10OHM 10OHM
7 7
R497 R497
6 6
R498 R498
10OHM 10OHM
10KOHM 10KOHM
1/16W 1/16W
4C7> 4C7>
HT0_CTLB HT0_CTLB
R431 R431
P0_PWR5V P0_PWR5V
1KOHM 1KOHM
1/16W 1/16W
DGND DGND
5D4< 5D4<
5D4< 5D4<
5D4< 5D4<
5D4< 5D4<
5D4< 5D4<
5D4< 5D4<
5D4< 5D4<
5D5< 5D5<
14E8< 14E8<
I2C_INT I2C_INT
TP425 TP425
10KOHM 10KOHM
1/16W 1/16W
HT1_CTLB HT1_CTLB
4C7> 4C7>
R432 R432
P1_PWR5V P1_PWR5V
1KOHM 1KOHM
1/16W 1/16W
DGND DGND
RXC1M RXC1M
5D5< 5D5<
RXC1P RXC1P
5D5< 5D5<
5D5< 5D5<
RX01M RX01M
5D5< 5D5<
RX01P RX01P
RX11M RX11M
5D5< 5D5<
RX11P RX11P
5D5< 5D5<
RX21M RX21M
5D5< 5D5<
RX21P RX21P
D D
10KO 10KO
1/16 1/16
EP94 EP94
4C7 4C7
4D8 4D8
IC
4D8 4D8