Toshiba 15LV505 Service Manual page 73

A B
8
FROM/TO JACK
AV3/AV4_Y
AV1_CVBS
7
AV3/AV4_PB
AV3/AV4_PR
SPDIF
FROM/TO TUNER
TU_CVBS
I2C_CLK
I2C_DATA
6
FROM SCALER POWER
AD_A3.3V
FROM/TO AV SWITCH
SW_Y_IN
SW_C_IN
5
MCLK
SDOUT
LRCK
BCLK
4
3
2
1
A B
H-11
C
SCALER VIDEO/AUDIO SCHEMATIC DIAGRAM
C2925 0.1 B
C2946 0.1 B
C2937 0.1 B
SW_Y_IN
C2939 0.1 B
TU_CVBS
C2938 0.1 B
AV1_CVBS
C2940 0.1 B
C2931 0.1 B
AV3/AV4_Y
C2941 0.1 B
C2932 0.1 B
SW_C_IN
C2926 0.1 B
C2942 0.1 B
C2933 0.1 B
C2943 0.1 B
C2934 0.1 B
AV3/AV4_PB
C2944 0.1 B
C2935 0.1 B
C2927 0.1 B
C2936 0.1 B
C2945 0.1 B
AV3/AV4_PR
7
C2947 0.1 B
C2957 0.1 B
C2929 R2837
AD_A3.3V
0.1 B 1K
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(DIGITAL PCB)
SCALER IC IC2801 R8J66954BG
R2900
J1 PCVIN
10K
K1 SSIN1
1.6
K2 SSIN2
2
0.8
L1
VIN3A
1.1
L2 VIN1A
3
1.2
L3 VIN2A
0
M1 VREFA
4
1.7
M2 VIN4A
0
M3 VRPA
5
2.0
N1 VIN2B
NC N2 VIN6A
N3 VIN5A
0
N4 VRMA
0
P1 VRPB
0
P2 VREFB
6
1.9
P3 VIN3B
0.3
R1 VREFC
0.2
R2
VRMB
R3
VIN4B
0.2
T1 VRPC
1.6
T2 VIN2C
0.2
U1 VRMC
U2 VIN3C
3.3
LPF
V1
SCLK0(GPIO)
SRXD0(GPIO)
STXD0(GPIO)
QBLCA
QBLCB(GPIO)
QBLCC(RXD0)
SCIRXD
SCISCK(GPIO)
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D E
F
DVD-H
ROUT
LOUT
3.3
SICL V9
3.3
W9
I2C_CLK
I2C_DATA
3.3 ASW0
AA8
R2801
3.3
Y8
3.3 ASW2 4.7K ASW2
W8
R2850
LIGHT_CTL
R2846 C2959 C2965
4.7K
3.0
BL_PWM
J21
4.7K 0.1 B 0.1 B
3.0 LCD-H
J20
W855
3.3 TWIRE_RXDC
J19
W854
3.3 TWIRE_TXDC
J18
3.3 MCU_SCIRXD
V8
3.3 MCU_SCITXD
V7
3.3 IIC_OFF
W7
0 3.3
A0 Vcc
R2856 C2968
0 0
A1 WP
0.1 B
0 3.3 10K
A2 SCL
0 3.3
Vss SDA
EEP ROM
IC2805
M24256-BWMN6TP
F
G H
8
7
TO JACK
R2872 100K
LOUT_FI
R2873 100K
ROUT_FI
6
DVD-H
TO AV SWITCH
DVD-H
ASW0
ASW2
FROM/TO FLASH
IIC_OFF
I2C_CLK
5
I2C_DATA
FROM/TO MICON
MCU_SCIRXD
MCU_SCITXD
I2C_CLK
I2C_DATA
FROM/TO REGULATOR
S1_DET
TWIRE_RXDC
TWIRE_TXDC 4
LIGHT_CTL
LCD-H
GND
D3.3V
AT+3.3V
3
2
PCBDH0
CEH420
1
G H
H-12