Toshiba 15LV505 Service Manual page 81

A B
8
7
R6558 R6562
AUDIO_L
3.3K 2.7K
R6559
AUDIO_R
3.3K
AUDIO_ADC IC
6
IC6551
C6562
3.8
AINR
1 B
C6561 16V(1608)
3.8
AINL
1 B
16V(1608)
5.0
CKS1
C6557 2.2 B (1608) 2.5
VCOM
0
AGND
C6555
5.0
5
VA
16V 10 V-S
C6556
3.3
VD
0.1 B
0
DGND
C6559
16V 10 V-S
C6560
0.1 B
4
RESET_N
NR6551
CRA108470JV
MCLK
SDOUT
LRCK
BCLK
3
2
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
H-27
C
R6502
330
R6501
330
13
14
R6561
2.7K
AK5358A
0
CKS0
0
CKS2
3.3
DIF
3.3
PDN
3.3
SCLK
R6569
1.2
MCLK
100
100DT01217
3.3
LRCK
X6551
12.288MHz
3.3 NC
SDTO
2 1
3 4
OUT VCC
C6578
1 B
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.
C
D E
AV SWITCH SCHEMATIC DIAGRAM
(DIGITAL PCB)
DVD-H
Lch SW IC
IC6552 MM1501XNRE
C6570
3.3
4.5
L
1 B
BUFFER 16V(1608)
4.5
0
C6565
12.0
4.5
H DVD_L
VCC
1 B
16V(1608)
Rch SW IC
IC6553 MM1501XNRE
C6571
3.3
4.5
L
1 B
16V(1608)
4.5 BUFFER
0
C6566
12.0
H 4.5 DVD_R
VCC
1 B
16V(1608)
B6556
D5.0V
HCB1608KF-181T20
D E
F
Lch SW IC
IC6557 NJM2534V
C6581
0
6.5 AV1_A_IN_L
1 B
16V(1608)
BUFFER
6.5 3.3
SW_L
C6579
12.0
6.6 YUV_A_IN_L
1 B
BAIAS
16V(1608)
6.5 3.3
C6553
TU_AUDIO_L
1 B
16V(1608)
Rch SW IC
IC6558 NJM2534V
C6568
0 6.5 AV1_A_IN_R
1 B
16V(1608)
BUFFER
SW_R 6.5 3.3
C6580
12.0 6.6 YUV_A_IN_R
1 B
BAIAS
16V(1608)
6.5 3.3
C6584
TU_AUDIO_R
1 B
16V(1608)
Y SW IC
IC6554 MM1501XNRE
C6574_1
0/3.3 4.5
L
10 B
BUFFER 2125
4.5 0
C6575
5.0 4.5
H
VCC
10 C
2125
C6572
1 B
C SW IC
IC6555 MM1501XNRE
C6577
0/3.3 4.5
L
10 C
2125
BUFFER
4.5 0
C6576
5.0 4.5
H
VCC
10 C
2125
C6573
1 B
F
G H
8
7
ASW2
FROM/TO SCALER VIDEO/AUDIO
ASW0
LRCK
SDOUT
BCLK
MCLK
ASW0
6
SW_Y_IN
SW_C_IN
ASW2
DVD-H
FROM TUNER
TU_AUDIO_L
TU_AUDIO_R
5
SW_Y_IN FROM JACK
AV1_Y
AV1_C
AV1_Y
AV1_A_IN_L
AV1_A_IN_R
YUV_A_IN_L
YUV_A_IN_R
DVD_Y
4
DVD-H
FROM MICON
RESET_N
SW_C_IN
3
AV1_C
FROM/TO REGULATOR
DVD_Y
DVD_C
DVD_C
DVD_L
DVD_R
SW+12V
GND
D3.3V
2
D5.0V
PCBDH0
CEH420
1
G H
H-28