Av Board: Video Dac - Philips DVD763SA/001 Service Manual

AV-Board: Video DAC
1 2 3
AV_VIDEO DAC
A
B
7200
CS4362
A1-16
RESET
+3V3_DAC 3V3
VOLUME CONTROL
19
RST_
2204
3V3 43 VLS VOLUME CONTROL
2205
100n
0V7 9 SCLK1
1V6 7 LRCK1
A1-8
1u
BCLK 12 SCLK2 VOLUME CONTROL
A1-7
LRCLK 10 LRCK2
A1-6
1V2
SDT1 8 SDIN1
A1-4
C SDT2 1V2 11 SDIN2 VOLUME CONTROL
A1-2
SDT3 1V2 13 SDIN3
MCLK VOLUME CONTROL
A1-14
3200
1V6
MCLK1
6 1
:2
47R
VOLUME CONTROL
A1-8
BCLK 0V7 42 DSD-SCLK
A1-12
SCL_3V3 4200 3V3 15 SCL|CCLK
A1-13
CONTROL PORT/
SDA_3V3 4201 3V3 SDA|CDIN
16
4202 3V3 17 AD0|CS_ MODE SELECT
3V3 18 VLC
+3V3_DAC
1V2 3 DSDA1
A1-5
D SEL1 3V3 2 DSDB1
1V2 1 DSDA2 DIRECT STREAM
A1-3
SEL2 3V3 48 DSDB2
DIGITAL INPUT
1V2 47 DSDA3
A1-1
3V3
SEL3 46 DSDB3
2208
100n
2209 *
1u
E
F
ITEM NO
2212 CER2 0603 Y5V 25V 100N COL
2215 CER2 0603 Y5V 25V 100N COL
7203 IC SM LM833D
G
H
* OPTIONAL
V DC Vtg measured in STOP-MODE
1 2 3
Electrical Diagrams DVD763SA 7.
4 5 6
+3V3_DAC +5VA
100n 10u
2200 2201
2202
2203
1u 100n
I200
4 32
VD VA
AOUTA1+ 2V5
39
INTERPOL FILTER DAC ANAL FILTER AOUTA1- 2V5
40
MIXER
AOUTB1+ 2V5
37
INTERPOL FILTER DAC ANAL FILTER AOUTB1- 2V5
38
AOUTA2+ 2V5 SURROUNDL_POS
35
INTERPOL FILTER DAC ANAL FILTER AOUTA2- 2V5 SURROUNDL_NEG
36
MIXER
AOUTB2+ 2V5 SURROUNDR_POS
33
INTERPOL FILTER DAC ANAL FILTER AOUTB2- 2V5 SURROUNDR_NEG
34
AOUTA3+ 2V5
29
INTERPOL FILTER DAC ANAL FILTER AOUTA3- 2V5
30
MIXER
AOUTB3+ 2V5
27
INTERPOL FILTER DAC ANAL FILTER AOUTB3- 2V5
28
3203
MUTEC1 0V
41
3204
MUTEC2 0V 2K7 *
26
3205
MUTE MUTEC3 0V *
25 2K7
3206
CONTROL MUTEC4 0V *
24 2K7
3207
MUTEC5 0V * 2K7
23
3208
MUTEC6 0V *
22 2K7
2K7
21
VQ
20
FILT+
TST GND
14 44 45 5 31
2220
100n
DESCRIPTION
X
X
(MOTA) R X
4 5 6
48
7 8 9 10
+8VA
2213
100n
16 7201-B
Vdd
74HCT4053D
10 S Y0 2
15 Z Y1 1
E Vee Vss
6 7 8
2216
100n
-8VA
I201
8V
AOUTL_POS A3-25
AOUTL_NEG A3-26
AOUTR_POS A3-27
3202
A1-18 CENTER_ON
AOUTR_NEG A3-28 7220
BC817-25
2K7
A3-29 0V
A3-30
A3-31
A3-32
A3-47
FRONT_R
A3-33
CENTER_POS
CENTER_NEG A3-34
I221
LFE_POS A3-35
LFE_NEG A3-36
MFL
A3-37
MFR
A3-38
MSL A3-43
MSR A3-44
MC A3-45
MLFE A3-46
A3-48
FRONT_L
A3-49 CENTER
BARE BOARD 3139 243 30512
7 8 9 10
11 12 13
I200 I201
0V
200mV / div AC 200mV / div AC
10ms / div 10ms / div
+8VA
16 7201-A
Vdd
74HCT4053D
8V 11 S Y0 12 0V
0V 14 Z Y1 13
E Vee Vss
6 7 8
+8VA
-8VA
100n
0V
7202-A 2210
0V 3
8
LM833D
1 0V
2
4
100n
2214 +8VA
-8VA
2211
7203-A
3
8
LM833D
100u 0V
+8VA
2
4
16 7201-C
Vdd
74HCT4053D
8V 9 S Y0 5
0V
4 Z Y1 3
0V 0V
-8VA
E Vee Vss
6 7 8
-8VA
+8VA
7202-B
0V 5
8
LM833D
2217
0V
7
6 100u
4
-8VA
+8VA
7203-B
5
0V 8
LM833D
6
4
-8VA
11 12 13
14 2200 B4
2201 B5
2202 B4
2203 B5
2204 B1
2205 C2
2206 E6
2207 E6
2208 D1
2209 E1
I221
2210 C12
2211 C13
A
2212 C14
2213 A10
2214 D12
2215 D14
2216 B10
200mV / div AC
2217 F13
10ms / div 2218 E7
2219 E7
2220 E5
3200 C2
3201 B9
3202 C8
B
3203 D6
3204 D7
3205 D6
3206 D7
3207 D6
3208 D7
4200 D2
4201 D2
4202 D2
4203 D2
7200 B3
7201-A B11
C
7201-B A10
7201-C E11
7202-A C12
7202-B F12
7203-A C13
7203-B G13
7220 C9
STEREO_R
A3-39
D
100n
2212
1
0V
SCART_R A4-40
100n
E
2215
F
STEREO_L A3-41
G
0V
7
SCART_L A4-42
H
CL 26532053_006.eps
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