Daewoo DPC-7900 Series, Serivce Manual

Page: 13 / 38

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10
-
(6) AUDIO OUTPUT
1
1
1
VREF5V
VCCAUD
VREF5V
VREF5V
A_IN/OUTR A_IN/OUTL
ACLK
MUTE_DAC ALRCK ACLK ABCK ASDAT0
SDAT0 SACLK SLRCK
ALRCK
SBCLK
ABCK ASDAT0
DAC_ML
SACLK SBCLK
A_AVDD
SLRCK
DAC_MR
SDAT0
+3.3V
A_IN/OUTL
AOUT_R
VCC
INT/EXT
A_MUTE
SHUTDOWN
CVBS_TFT TFT_OUT CVBS_OUT
CVBS_TFT TFT_OUT CVBS_OUT
A_R_SPEAKER
A_L_SPEAKER
AOUT_L AOUT_R
A_MUTE
A_IN/OUTR
A_R_SPEAKER
A_L_SPEAKER
VCC_AUD
A_R_SPEAKER
SHUTDOWN
PHONE_ON
A_L_SPEAKER
AOUT_L
SHUTDOWN
AL
AR
ROUT+
LOUT+ LOUT-
ROUT-
VCCAUD
MUTE_IN
MUTE_DAC
ACLK ASDAT0 ALRCK ABCK
MUTE_DAC
VCC
+3.3V
INT/EXT
MUTE_IN
CVBS_TFT TFT_OUT CVBS_OUT
SHUTDOWN
VCC
VCC
VCC_AUD
VCC
A_AVDD
+5V
+3.3V
+3.3V
VCC_AUD
C29
1uF
C41 470pF
C42 470pF
U27
CS4344-OPEN
1 2 3 4 5
6 7 8 9 10
SDATA DEM/SCLK LRCK MCLK VQ
FILT+
AOUTL
GND
VA
AOUTR
R98 47R
R88 10K
Q15 3904
1
2 3
Q13 3904
1
2 3
R100 10K
Q11 3906
1
2 3
+
C63 220uF/6.3v
+
C61 10uF/16V
R134 open
R119 1K
R115
470R
CON3
SPEAKER
4 3 1 2
LOUT- LOUT+ ROUT+ ROUT-
R132 22K
R130 0R
D8 1N4148
1 2
C64 1000pF
D7 1N4148
1
2
R101 5.1K
+
C26 10uF/6.3V
R118
3.3K
R110
1K/5k
R95
0R
D9 1N4148
1
2
R113 1K/5k
R133 470R
R129 200K
Q12 3904
1
2 3
J5
PHONEJACK
2 3 4 5 6 1
+
C20
47uF/10V
+
C40 100uF/6.3V
R97 15K
R140
4.7K
+
C37 47uF/10V
+
C38 100uF/6.3V
R102
10K
L13 10uH
R135 200K
+
C39 100uF/6.3V
C62 0.1uF
C59 220pF
C182
2.2uF
+
C35 47uF/10V
Q14
9014
1
2 3
R127
4.7K
R120 1K
J4
VOLUME 10K
1 2 3 4 5
1 2 3 4 5
R93 100K/?
C34 0.1uF
R117
open
R131 0R
R144
1K
R123
4.7K
R103 100K/?
U19
TPA6011
1 2 3 4 5 6 7 8 9
10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
GND ROUT- PVDD RHPIN RLINEIN RIN VDD LIN LLINEIN LHPIN PVDD LOUT-
GND
LOUT+
SHUTDOWN
FADE
BYBASS
GND
SEMAX SEDIFF
VOLUME
HP/LINE
SE/BTL ROUT+
Q10 8550
1
2
3
C32
680pF
R116
1k
+
C60 10uF/16V
+
C27 10uF/6.3
C21 0.1uF
R111 560R
R122
3.9k
R99
1.8K
L16
22uH
R143
4.7K
Q8 3904
1
2 3
C58 0.1uF
C55 1000pF
C57
0.1uF
R141
4.7K
R94
560R
C31
680pF
R114 3.3K
R138
4.7K
R109
4.7K
C86
680pF
Q9 3904
1
2 3
C30
1uF
R136 560R
C85
680pF
U21 F_TB3GA4.5Z
1
2
3
4
5
6
7
8
+
2
3
4
5
6
7
-
L17
22uH
U16
CS4334-OPEN
1 2 3 4
5 6 7 8
SDATA DEM/SCLK LRCK MCLK
AOUTR
AGND
VA
AOUTL
R89 5.1K
+
C67
10uF/6.3V
+ -
U15A MC33202D
3 2
1
8 4 +
-
U15B
MC33202D
5 6
7
8 4
RN3
33x4
1
2
3
4
5
6
7
8
R85 15K
+
C24 10uF/6.3V
R92
10K
R137 4.7K
C52
220pF
R96
560R
R104
0R
+
C36 2.2uF/6.3V
R142
3K
J9
AUDIO L/R 5 4 2 3 1
GND GND AUDIOL AUDIOR AUDIOL
+
C53 10uF/16V
L15
220uH
+
C28 2.2uF/6.3V
+
C54 10uF/16V
L14 10uH
R139 open
R90
1.8K
U23
F_TB3GA4.5Z
1
2
3
4 5
6
7
8
+
2
3
4 5
6
7
-
+
C56
47uF/10V