Sony HCD-GTX999 Service Manual page 50

HCD-GTX999
QQ
3 7 63 1515 0
IC6 MM1663DHBE
8 7 6 5
THERMAL
BIAS
SHUTDOWN
DRIVER
CURRENT
LIMITTER
REFERENCE
1 2
TE
L 13942296513
IC8 S-1132B25-U5T1G
VOUT 1
OVERCURRENT
PROTECTION
+
–
VSS 2
REFERENCE
VOLTAGE
NC 3
www
.
50
http://www.xiaoyu163.com
IC7 SN74LVC138APWR-12
3 4
5
ON/OFF
4
CONTROL
x ao
y
i
http://www.xiaoyu163.com
8
VCC Y0 Y1 Y2
13
16 15 14
Y0 Y1 Y2
A
B C G2A
1 2 3 4
A B C G2A
SELECT
Q Q
3 6 7 1 3
VIN
ON/OFF
u163
.
2 9 9 4 2 8
DATA OUTPUTS
Y3 Y4 Y5
12
11 10
Y5
Y3 Y4
Y6
G2B G1 Y7
5 6 7
G1 Y7
G2B
OUTPUT
ENABLE
1 5 0 5 8 2 9 9 4
IC10 TC7WHU04FU (TE12R)
1A 1
3Y 2
2A 3
GND 4
m
co
9 9
Y6
9
8
GND
2 8 9 9
8 VCC
7
1Y
6 3A
5 2Y