Sony HCD-DZ7260 Service Manual page 58

HCD-DZ260/DZ270/HDZ278
Q Q
3 7 6 3 1 5 1 5 0
• IC Block Diagrams
IC1201 FAN8036L (MAIN Board (4/9))
48 47 46 45 44 43
IN 1-
1
2
OUT1
IN2 +
3
IN 2- 4
REGVCC REGVCC
OUT2 5
R ES1 6
REGVCC REGVCC
FI N
(GND)
RES2
7
T E
L 1 3 9 4 2 2 9 6 5 1 3
REGCTL
8
IN 3+
9
IN3 - 10
OUT3
11
IN 4+
12
13 14 15 16 17 18
IC3003 TC7WH157FK(TE85R) (MAIN Board (7/9))
8 VCC
11 7 ST
11 6
SELECT
EN G
A 1
A Y 5 Y
B 2 B Y
w w w
Y 3
GND 4
HCD-DZ260/DZ270/HDZ278
FI N
(GND)
42 41 40 39 38 37
REGVCC
TSD
M +
S
S
W
C -
MUTE123 MUTE4 PS TSD_M
19 20 21 22 23 24
FI N
(GND)
x a o
. i
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IC3010 CDX9788AR (MAIN Board (9/9))
IC3020 CDX9788AR (MAIN Board (9/9))
IC3030 CDX9788AR (MAIN Board (8/9))
DO1-
36
35 DO2+
34
DO2-
XVSS 1
33 P GND1
VSUBC 2
REGO1 VSSR 3
32
OUTR2(–)
4
VDDR
5
REGO2
31
OUTR1(+) 6
VSSR 7
FI N
(GND) VSSL 8
OUTL2(–) 9
10
VDDL
30 DO3+
OUTL1(+) 11
VSSL 12
Q Q
3 7 6
DO3-
29
DO4+
28
DO4-
27
P G ND2
26
25 DO5+
u 1 6 3
y
58 58
2 4
8 9 9
48 47 46 45 44 43 42 41 40 39 38 37
CLOCK
GENERATOR
(SECONDARY)
PWM
FILTER &
LINER
GAIN
Δ Σ
LOW CUT
INTERPOLATOR
CONTROL
INIT/ SERIAL
MUTE CONTROLLER
3 1 5 1 5 0 8 9
13 14 15 16 17 18 19 20 21 22
m
c o
.
2
8 9 9
CLOCK
GENERATOR 36 XFSIIN
(PRIMARY)
35 DVDD
34 TEST
33 BFVSS
32 BFVDD
31 DATA
SAMPLING
RATE S P 30 BCK
FILTER CONVERTER
29 LRCK
28 MCKSEL
27 INIT
26 SFLAG
25 OVFFLAGL
2 4 9 8 2 9 9
23 24