Sony HCD-GTX999 Service Manual page 53

QQ
3 7 63 1515 0
IC104 M65850FP-E1
16 15 14
OSCILLATOR
1/2 VCC
CLOCK
AUTO
RESET
RESET
LPF1
1 2 3
IC204 BA6956AN
TE
1 2 3
L 13942296513
IC910, 930 SI-8001FFE
ON/OFF
PREG
SOFT
START
OSCILLATOR
www
.
1
http://www.xiaoyu163.com
13 12 11 10 9
D/A
LPF2
DO1
MO
MAIN 20KBIT
CONTROL
SRAM
MI
D1
DO0
A/D
4 5 6 7 8
TSD
CONTROL LOGIC
4 5 6 7 8 9
OVERCURRENT
PROTECTION
LATCH
RESET
&
DRIVER
COMPARATOR
–
THERMAL
PROTECTION
+
–
+
ERROR AMP
REFERENCE
x VOLTAGE ao
y
i
2 3
http://www.xiaoyu163.com
8
IC203 PST3629NR
OUT 1
VDD 2
VREF
GND 3
IC205 TC74LVX4051FT
16 15 14 13
Q Q
3 6 7 1 3
1 2
IC940 BA00BC0WCP-V5E2
VREF
1 2
u163
.
4 5
HCD-GTX999
2 9 9 4 2 8
–
+
12
IN OUT
C
IN OUT
C
1 5 0 5 8 2 9 9 4
IN OUT
C
IN OUT
C
IN OUT
C
IN OUT
C
IN OUT
C
IN OUT
C
3 4 5 6
VDD
–
DRIVER
+
THERMAL OVER CURRENT
SHUT DOWN PROTECT
3
m
co
9 9
5 CD
4 NC
11 10 9
2 8 9 9
7 8
4 5
53