Samsung SENS R55 Service Manual page 162

4
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO'S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
D
AMP_VDD
LEFT
R763
10K
2
1%
MMBT3906LT1
1 Q517
R762
3
33K
2 AMP_VDD
MMBT3906LT1
1 Q518
C 3
AGND_AUD
R759 R760
33K 33K
R755
R757
1K
1% 5.6K
R756 C767
1000nF
30K
6.3V
AGND_AUD
C768
R758 R761
100nF
51K 51K
5% 5%
AGND_AUD
B
AMP_VDD
P5V AMP_VDD
B519
CHP3_SPKR
CIS10J270NC
C769 CBS3_SPKR
C771 C770
10000NF
100nF 100nF
10V
A
AGND_AUD
4
3
AMP_VDD
R809
RIGHT
10K
1%
R810 2 2
33K
1 1
3 3
Q520
MMBT3906LT1
MMBT3906LT1
Q519
AGND_AUD
R803
1K
1%
C792
R804
1000nF
30K
R802
6.3V
5.6K
R806
AMP_VDD
AGND_AUD
U515
LM13700M
1 16
AMPBIASINA AMPBIASINB
2 15
DIODEBIASA DIODEBIASB
3 14
+INA +INB
4 13
-INA -INB
5 12
OUTPUTA OUTPUTB
6 11
V- V+
7 10
BUFFERINA BUFFERINB
8 9
BUFFEROUTA BUFFEROUTB
LIMITER
C793 C794
100nF 10000NF
10V 10V
AGND_AUD
nostuff
PC BEEP
C797 330nF 10V R814 10K 1%
20-D?
C805 R811
330nF 10V 10K 1%
1 3
34-C3
MMBD301LT1
D524
R842
R841
47K
47K
3
R817 R848
20K 20K
1% 1%
nostuff nostuff
C796 100nF R816 47K
AUD3_PCBEEP
39-A3
R815 47K
R850 C811
0 1000nF
AUD5_LINE_OUT_R
6.3V
38-D2
R768 0 C778 1000nF
AUD5_LINE_OUT_L
6.3V
38-D2
R818
R849
27K
27K
R807
33K 33K
nostuff
AGND_AUD
R845
1.2K
RIGHT
LEFT
R805 R808
51K 51K
INTERNAL STEREO SPEAKERS
39-C1
AUD5_SPK_R+ 4
39-C1 RIGHT
AUD5_SPK_R- 3
AUD5_SPK_L+ 2
LEFT
39-C1 39-C1
AUD5_SPK_L- 1
HDR-4P-1R-SMD
SPK1
AUD3_PCBEEP
39-D2
C795
R812
4.7nF
4.7K
25V
Should be written sign "L","R" on the PCB
AGND_AUD AGND_AUD
2
nostuff
C809 0.047nF
R847 47K
R766 47K
nostuff
C799 0.047nF
AMP_VDD
U516
LM4863MTEX
R846
6 4
INA- VDD1
8 17
INA+ VDD2
30K
14
BYPASS
R765
15 5
INB- OUTA-
13 3
INB+ OUTA+
30K
2
GND1
7 16
GND2 OUTB-
9 18
GND3 OUTB+
10
GND4
11
GND5
12
GND6
19 1
GND7 SHUTDOWN
21 20
GND8 HP_IN
nostuff
R844
1.2K
AGND_AUD
AGND_AUD
C807 C774
C806
330nF 1000nF
1nF
10V
nostuff
AGND_AUD
AGND_AUD
EC518
C777 C810
100uF
6.3V 100nF 100nF
R764 R813
AL
1.2K 1.2K
C772
AGND_AUD
1nF
nostuff P5V
AGND_AUD
R211
10K
1%
TP1491
3
D
Q27
RHU002N06
G
AUD3_EAPD
38-C4
1
S 2
D
nostuff
TP1492
G
AGND_AUD 1
R964 S
10K
1%
KBC3_SPKMUTE
AGND_AUD
41-A3
2
1
D
These Patterns must be 30mils
AUD5_SPK_R-
39-A2
AUD5_SPK_R+
39-A2
AUD5_SPK_L-
39-A2
AUD5_SPK_L+ C
39-A2
AUD3_EAPD_A
39-A1
44-B1
HP_DETECT
R958
0
C800 R767
10000NF 1M
1%
10V
P5V
B
R965
10K
1%
AUD3_EAPD_A
39-C1
3
D
Q532
RHU002N06
G
1
S
2
AGND_AUD
3
Q531
RHU002N06
2
A
SAMSUNG
ELECTRONICS
1