Philips 26MD257B/37 Service Manual page 136

34 TPM1.0U LA
Scaler Board Schematic Diagram-AUDIO CODER
1 2
A
DV33 DV33_CODEC
FB760
1 2 1
600R/200mA BLM18AG601SN1D
B
C761
10U 25V C763
100N 16V 100N 16V
C
DVD_Side-RIN C767 10U 25V R762 10K 1/10W
DVD_Side-LIN C768 10U 25V R763 10K 1/10W
AV1_RIN C769 10U 25V R764 10K 1/10W
AV1_LIN C770 10U 25V R760 10K 1/10W
AV2_RIN C771 10U 25V R767 10K 1/10W
AV2_LIN C772 10U 25V R768 10K 1/10W
AV3_RIN C773 10U 25V R769 10K 1/10W
AV3_LIN C774 10U 25V R770 10K 1/10W
VGAR_IN C775 10U 25V R771 10K 1/10W
VGAL_IN C776 10U 25V R772 10K 1/10W
D
1
2
3
AO1BCK R773 33R 1/10W 4
AO1MCLK R774 33R 1/10W 5
AO1SDATA4 R775 33R 1/10W 6
AO1LRCK R776 33R 1/10W 7
8
9
AO1BCK R777 33R 1/10W 10
AO1MCLK R778 33R 1/10W
11
I2SIN_DATA R779 33R 1/10W
12
AO1LRCK R781 33R 1/10W
C783
220P 50V
E
TWO WIRE SERIAL CONTROL
DEVICE ADDRESS 0x36H
R792
F
HP_MUTE
1K 1/10W 5%
AUDIO GAIN
MODEL
CONTROL
G
10 W/6 OHM 37"/42"
5W/8 OHM 26"/32"
H
1 2
3 4 5
+5V_SW HPVDD
D760 600R/200mA BLM18AG601SN1D
TP764 SM240A
1 2 1 2 1
A K
FB761
C764 C762 C765
10U 25V 100N 16V C766
10U 25V
U760
WM8776SEFT/R
36
AIN2L
AVDD HPVDD
35 ADCREFP
AIN1R
ADCREFP
AIN1L 34
ADCREFGND
DACBCLK 33 VMIDADC
VMIDADC
DACMCLK 32 AUXL C779 1
AUXL
DIN
31 AUXR 10U 25V
AUXR
DACLRC
30 C781 1
DACREFP HPVDD
ZFLAGR
29 10U 25V
DACREFN
ZFLAGL 28 VMIDDAC C782 100N 16V
VMIDDAC
ADCBCLK
27
VOUTR
ADCMCLK C784 10U 25V
26
VOUTL
DOUT
25
NC
R790 R780
7K5 1/10W 1% 3K9 1/10W 1%
R791
R782
C787
NC/10U 25V C788
7K5 1/10W 1% 3K9 1/10W 1%
1
DV33_CODEC TP762
1
TP763
R783
R785 NC/47K 1/10W R784
4K7 1/10W NC/47K 1/10W
DV33_CODEC
C789 C790
10V 220U
10V 220U
HPOUTL HPOUTR
R793
Q761 R786 R787 Q762 HP_MUTE
BC847BW
BC847BW
1K 1/10W 5%
R790/R791 R780/R782 R794/R795
7K5 1% 5K1 1% 200R 1%
7K5 1% 3K9 1% 0R
3 4 5
7. Circuit Diagrams and PWB Layouts
6 7
S-14
TP765
C777 10U 25V
C760 100N 16V
C778 100N 16V
TP760 C780 10U 25V
TP761
AO1AUXR
R788
R794 AO1AUXR_GND
0R05 1/10W
0R05 1/10W 5%
AO1AUXL
R789
R795 AO1AUXL_GND
0R05 1/10W
0R05 1/10W 5%
ROUTE SYMMETRICALLY
6 7
8 9 10
+5V_SW
1,2,12,13,15,16,17 +5V_SW
DV33
2,3,4,5,6,7,11,13,16 DV33
GND
1,2,3,4,5,6,7,8,9,10,11,12,13,15,16,17 GND
AGND_AFE
1,2,3,4,5,6,7,8,9,10,11,12,13,15,16,17 AGND_AFE
AO1AUXR_GND
15 AO1AUXR_GND
AO1AUXL_GND
15 AO1AUXL_GND
AO1AUXR
15 AO1AUXR
AO1AUXL
15 AO1AUXL
SIF_SDA
4,7 SIF_SDA
SIF_SCL
4,7 SIF_SCL
AV3_RIN
11 AV3_RIN
AV3_LIN
11 AV3_LIN
AV3 AUDIO INPUT
DVD_Side-RIN
17 DVD_Side-RIN
DVD_Side-LIN
17 DVD_Side-LIN
AV1_RIN
10 AV1_RIN
AV1_LIN
10 AV1_LIN
AV2_RIN
10 AV2_RIN
AV2_LIN
10 AV2_LIN
YPBPR AUDIO INPUT
VGAR_IN
12 VGAR_IN
VGAL_IN
12 VGAL_IN
VGA AUDIO INPUT
HP_MUTE
15 HP_MUTE
HPOUTR
11 HPOUTR
HPOUTL
11 HPOUTL
HEAD PHONE OUTPUT
I2SIN_DATA
5 I2SIN_DATA
AO1SDATA4
5 AO1SDATA4
AO1MCLK
5 AO1MCLK
AO1BCK
5 AO1BCK
AO1LRCK
5 AO1LRCK
AUDIO I2S INTERFACE
8 9 10
11
C760 D6
C761 B2 A
C762 B4
C763 B2
C764 B3
C765 B4
C766 B5
C767 C2
C768 C2
C769 C2
C770 C2
C771 C2
C772 D2
C773 D2
C774 D2
C775 D2
C776 D2
B
C777 D6
C778 D6
C779 D5
C780 D6
C781 D5
C782 D5
C783 E2
C784 E5
C787 E4
C788 E4
C789 F3
C790 F4
D760 B4
FB760 B2
FB761 B4
Q761 F3
C
Q762 F4
R760 C2
R762 C2
R763 C2
R764 C2
R765 C3
R766 C4
R767 C2
R768 D2
R769 D2
R770 D2
R771 D2
R772 D2
R773 D2
R774 D2
R775 D2 D
R776 D2
R777 E2
R778 E2
R779 E2
R780 E5
R781 E2
R782 E5
R783 E4
R784 E4
R785 E3
R786 F3
R787 F4
R788 E6
R789 E6
R790 E5
E
R791 E5
R792 F2
R793 F5
R794 E6
R795 E6
TP760 D5
TP761 D5
TP762 E4
TP763 E4
TP764 B3
TP765 B5
U760 D3
F
G
H
11