Digital Analog Convertor (Dac) Board; Digital Analog Convertor (Dac) Part - Philips FW-D5/21 Service Manual

6-6

DIGITAL ANALOG CONVERTOR (DAC) BOARD -

COMPONENT LAYOUT
This assembly drawing shows a summary of all possible versions. For components used in a specific version see schematic diagram and respective parts list.
DIGITAL ANALOG CONVERTOR (DAC) BOARD -
CHIP LAYOUT
This assembly drawing shows a summary of all possible versions. For components used in a specific version see schematic diagram and respective parts list.
PCS 103 830

DIGITAL ANALOG CONVERTOR (DAC) PART -

CIRCUIT DIAGRAM
1901 A1 1904 E6 1908 D14 1931 A1 2922 E12
1903 F1 1905 F4 1909 C1 2921 E12 2923 E13
1
1931
FE-BT-VK-N
1
2
3
A
1901
4
FE-BT-VK-N
1 5
2 6
TO
7
FRONT 3
8
4
B
1909
EH-B
1
a
C
2932 3932
FROM 2
MIC
3931 470n 10K
3
470R +12Vstby
3139 113 3431 pt1 dd wk0023
a
D
E
F
1903
FMN
1
Y
2
V
3
C
4
V
5
+3V3
G
6
7 SDA
FROM
8
DVD
+12Vstby
9 SCL
10
11 PCM_OUT1
D
12
13 PCM_OUT2
H
14
D
15
H_SYNC
16
V
1
3139 113 3431 pt1 dd wk0023
6-6
2924 B12 2926 C14 2931 D1 2933 C2 2935 C3 2937 A6 2939 B5 2941 A10 2947 D6 3916 B11
2925 B13 2927 E12 2932 C2 2934 C2 2936 A5 2938 A7 2940 C5 2946 G7 3915 B11 3917 B11
2 3 4 5 6
IFS
+5Vadc
K_RESET +5Vd +5Vd +5Vd
D
D +5Vadc
2936
IFL
D
22n
IFD
7931
I2C_CLK_DVD
TC9409BF 20 24 42 43 1 17
4935
*
D
I2C_DATA_DVD
33 LRCKI
32 BCKI DIGITAL
IN
31 SDI
2939
4 VRA1
a
4u7
5 AIL
a
6 LPFO2 ANALOG
2940
IN
7 VRA2
a
4u7 8 AIR
a
9 LPFO3
DRAM
3933 3934
2 MIC1
MIC
10K 10K 3 LPFO1
IN
3935
22K
a a
23 34 44 10 13
# 2947
D a
10n
4912
PCM_CLK
LRCLK
SCLK
PCM_OUT0
1904
FMN
1
D
5901
2
DIG_OUT
2u2
3
STEREO_MUTE
4
5
PCM_CLK
6
1905 D
FE-BT-VK-N 7
SCLK
1
8
LRCLK
2
9
PCM_OUT0
3
V
10
D
4
11
KILL
5
V +5Vd
12
6
Y 13
7
V
14
8
C
15
9
V
16
D
5902
17
CVBS
2u2
TO AV 18
19
V
20
21
22
TO DVD
2 3 4 5 6
3918 C11 3921 D12 3925 B14 3932 C2 3934 C3 3936 B9 3938 B9 3948 G7 3950 H7 4910 B13 4912 D6
3919 C11 3924 B14 3931 C1 3933 C2 3935 C3 3937 B9 3947 G6 3949 G7 4905 A12 4911 B13 4913 A13
7 8 9 10
QE50
+5Vd
D +5Vd
7932
74HCT157D
STEREO_MUTE
2941
1 16
D
G1 VCC
100p
15 8
D EN GND
38 37 36 35 41 40 39
D
3936
2
1~ MUX
4
47R
LRCKO 30 3
1
MICOM uF DIGITAL 3937
BCKO 29 5
OUT
7
SDO 28 47R 6
3938
11
AOL 14 9
47R
10
DSP VR2 15
ANALOG 14
OUT AOR 16 12
13
D
12
LZ
D
18
TIMING GENE.
RZ
21 22 27 26 25 11 19
4931
*
4932
*
+5Vd
* 4933
4934
+5Vadc
3947
470R
* NON-KARAOKE ONLY
a
3948
# PROVISION
V
82R
Note : Some values may varies, see respective
R
3949 parts list for correct value.
V
82R
G
B
3950
V
82R
7 8 9 10
6-6
4931 D10 4933 D10 4935 A2 5901 E5 7903 B12 7931 A5
4932 D10 4934 D10 4936 C14 5902 G5 7904 B14 7932 A9
11 12 13 14
A
+3V3
# 4913
4905
KILL
7904
2924 2925
BC817-25
dd dd a
22n 100n
10K 7903
UDA1328T 21 20
D
3915
B
VDDD VSSD 3V3A
47R 10 BCK STATIC 9
3916
11 WS MUTE 23
47R
12 DI12 DEEM1 24 4910
3917
47R
13 DI34 DEEM0 25 4911
3918 14 DI56 L3CLK 18
D
3919 27 TST1 L3DATA 19 # 4936
10K 2926
16 SYSCLK L3MODE 17
C
22n D
7 TST2 22
dd dd
VOL/MUTE/DEEMPH
8 DS 26
NC
INTERPOL FILTER
15
NOISE SHAPER
28 VO1P VO2P 32
29 VO1N VO2N 31
1 VO3 DAC'S VO4 2
1908
FE-BT-VK-N
4 VO5 VO6 5
AC3_SR 1 D
VDDA VSSA VREFA
6 3 30 2
a a
3V3A AC3_SL
3
+3V3 3921
AC3_SUB
4
47R
5
a
AU3_CTR
6
D
a a
AC3_R
7
E
8
a
AC3_L
9
F
+5Vd = 4.7V
+5Vadc = 4.6V
+3V3 = 3.3V
G
+3V3A = 3.0V
STEREOMUTE = 0V (Karaoke on)
3.3V (Karaoke off)
H
3139 118 53360...87540 for...3431 pt1 dd wk0023
11 12 13 14