Samsung HT-D4500 Service Manual page 28

4. Troubleshooting
R808 R80 8
220OHM 220OHM
R809 R80 9
390OHM 390OHM
16V
6V
V V
V V
(1)
(2)
(3)
(1)
C121
<C121 Y S igna l>
4-12
1/16W 1/16W
1/16W 1/16W
DGND DGND
DGND DGND
C847 C84 7
1 10V 0 V 1UF 1 U F
C12 1 C121
10V 1UF 10V1UF
C122 C12 2
10V1UF 10V 1UF
C123 C12 3
10V1UF 10V 1UF
(2)
C122
(3)
(2)
(1)
<C122 P b S igna l>
<Fig. 4-4>
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DGND DGND
1 1
2 2
3 3
4 4
R161 R161
5 5
10KOHM 10KOHM
6 6
1/16W 1/16W
7 7
* 6.6. AUDIO/VIDEO/IP OD OUT CEC
* 5.5. MAIN P CB Bottom
(3)
C123
<C123 P r S igna l>
NCS 2564D TBR2 NCS 2564D TBR2
IC11 IC11
CVBS_I N CVBS_I N
CVBS_OU T CVBS_OU T
CVBS_EN - CVBS_EN -
GND GND
VIN2 VIN2
GND GND
VCC VCC
SD/ HD_EN- SD/ HD_EN-
SD/ HD_IN1 SD/ HD_IN1
SD/ HD_OUT1 SD/ HD_OUT1
SD/ HD_IN2 SD/ HD_IN2
SD/ HD_OUT2 SD/ HD_OUT2
SD/ HD_IN3 SD/ HD_IN3
SD/ HD_OUT3 SD/ HD_OUT3