Schematic Diagram - Key Section - Sony TAV-L1 Service Manual

7-55. SCHEMATIC DIAGRAM – KEY Section –
1 2 3
A
TOUCH SENSOR BOARD
B
C
R1520
JL1500 10k
C1504
8p
C1505
R1521
0.1
10k
D
C1506
10p
R1522
10k
JL1501
R1523
10k
JL1502
E
C1507
C1508 R1524
0.1
10k
C1509
12p
R1525
JL1503 10k
F
l
G R1526
10k
JL1504
C1510
L
C1511
R1527
0.1
10k
C1512
R1528
JL1505 10k
H
–
VOLUME
+
R1529
JL1506 10k
I
C1513
C1514
R1530
0.1
10k
C1515
10p
R1531
JL1507 10k
FM
J
R1532
JL1508 10k
C1516
C1517 R1533
DVD
0.1 10k
C1518
18p
R1534
K JL1509 10k
INPUT SELECT
TAV-L1
• See page 108 for Waveforms. • See page 111 for IC Block Diagrams.
4 5 6
R1548
3.3k
Q1509
Q1510
2SA1576A-T106-QR 2SA1576A-T106-QR
INVERTER INVERTER
3.3
4.8 4.8
15p
R1570
R1569
100
X1501
10MHz
8p
R1592
76 0
8p
4.8
IC B/D
4.7
CH0A
4.7
COM01
4.7
CH1A
4.7
CH2A
4.7
COM23
4.7
CH3A
4.7
CH4A
6p
4.7
COM45
4.7
CH5A
4.7
CH6A
4.7
COM67
4.7
15p
7 8 9
D1502-1513
(TOUCH PANEL BACK LIGHT)
R1593 R1584 R1504
R1501 R1583
1K 1K
680 680 1K
D1502 D1508
D1505
SML-A12DT
SML-A12DT SML-A12DT
D1503 D1506
D1509
SML-A12DT SML-A12DT
SML-A12DT
D1507
D1510
D1504
SML-A12DT SML-A12DT SML-A12DT
R1547 R1546 R1545
10k 6.8k 3.3k
Q1508
2SA1576A-T106-QR
INVERTER
3.3 3.3 3.3 3.3 3.3
4.8 4.8 4.8 4.8 4.8
R1565
R1568 R1567 R1566
100
100 100 100 100
C1502
0.1
CH4
CH5
0
4.8 R1516 CH6
10k
CH7
CH8
VSS2
4.8
VDD2
4.8
#SETUP
4.8
IC1501 #OUT4
4.8
#OUT5
4.8
TOUCH #OUT6
4.8
PANEL
#OUT7
SENSOR
4.8
#OUT8
4.8 CH9
IC1501
#OUT9
B6TS-12NF
#OUT10
#OUT11
C1501
0.1
101 101
10 11 12 13
Q1532
2SC2411K-T-146-CR
0 11.9
R1585 R1505
R1586
R1555 R1556
680
1K 680
0 2.2k
2.2k
D1511
SML-A12DT
D1531
Q1531,1532
1SS355TE-17
LED DRIVE
D1512
33k
SML-A12DT R1553
Q1531
0
2SC2412K-T-146-QR
C1521
0.7
D1513
47
SML-A12DT
16V
D1533
1SS355TE-17
R1508
C1531
D1532
1SS355TE-17 100p R1509
R1510
R1511
R1543 R1542 R1541
10k 6.8k 3.3k R1512
3.3
3.3 3.3 3.3
4.8 4.8 4.8
R1564 R1563 R1562
R1561
100 100 100
100
R1513
10k
Q1521
RT1N141C-TP-1
4.8
INVERTER
0
R1581
0
TAV-L1
14 15
CN1501
9P
1 DGND
100
2 LED_TS
100
3 TS_RESET
0 Q
4 KEY_2
0 MAIN BOARD
5 KEY_1
(1/6)
CN605
6 5V
0
(Page 68)
7 KEY_0
8 LED+12V
9 LED-GND
KEY BOARD
S1231
POWER
R1231
0
S1232
UP/DOWN
R1232
1k
CN1231
3P
N
MAIN BOARD
(1/6)
CN612
(Page 68)
CN1503
11P
1 VDD
2 SETUP
3 MISO
4 MOSI
5 SCK
6 SCS (NC)
7 MEAS
8 CHG
9 RESET
10 GND
11 TEST