Sony HCD-DZ770W Service Manual page 56

HCD-DZ770W
QQ
3 7 63 1515 0
• IC Block Diagrams
– MAIN Board –
IC101, IC102, IC105, IC106, IC107 CXD9774M, CXD9775M
GND 1
PWM BP 2
GND 3
RESET 4
DREG RTN 5
GVDD 6
DREG 8
DGND 9
DVDD 12
DGND 14
OTW 15
TE
L 13942296513
GND 16
PWM AP 17
GND 18
IC108, IC110 CXD9843AR
PWM
www
.
1 2 3 4 5 6
56
http://www.xiaoyu163.com
DVDD DREG DREG
PWM
RECEIVER
DGND
PROTECTION
DIGITAL
DREG
REGULATOR
GVDD
M3 7
DREG
M1 10
PROTECTION
M2 11
LOGIC
OT
SD 13
&
UVP
DVDD DREG
PROTECTION
PWM
RECEIVER
DGND DREG
48 47 46 45 44 43 42 41 40 39 38 37
Liner
∆ ∑ Converter
Interpolator
Clock Generator
x ao
(Secondary Clock System)
INIT/MUTE
y
i
7 8 9 10 11 12 13 14 15 16 17 18 19 20
http://www.xiaoyu163.com
8
GVDD
OCH
GATE
DRIVE
TIMING
CONTROL
&
GATE
DRIVE
OCL
OCL
GATE
DRIVE
TIMING
Q Q
CONTROL 3 6 7 1 3
&
GATE
DRIVE
OCH
GVDD
Sampling Rate
Converter
Filter
&
Gain
DF2
LOW
Control
CUT
Filter
Clock Generator
u163
(Primary Clock System)
Serial Control
.
21 22 23 24 25 26 27
2 9 9 4 2 8
36 GVDD B
35 GVDD B
34 GND
33 BST B
32 PVDD B
31 PVDD B
30 OUT B
29 OUT B
28 GND
27 GND
1 5 0 5 8 2 9 9 4
26 OUT A
25 OUT A
24 PVDD A
23 PVDD A
22 BST A
21 GND
20 GVDD A
19 GVDD A
DF1 S P
m
36 XFSIIN
35 DVDD
co
TEST
34
33 BFVSS
32 BFVDD
28 29 30 31
9 9
2 8 9 9