Sony HBD-E770W Service Manual page 75

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3 7 63 1515 0
IC206 PCM1808PWR
VREF 1
REFERENCE
AGND 2
VCC 3
POWER
SUPPLY
VDD 4
DGND 5
SCKI 6
LRCK 7
IC207 TC7WH157FU (TE12R)
EN G
A 1 A Y
B 2 B Y
Y 3
TE
L 13942296513
GND 4
IC802 HT16515
LED0 1
LED1 2
LED2 3
LED3 4
OSC
OSC 5
DO 6
DI 7
SERIAL
INTERFACE
CLK 8
www
CS 9
KEY0 10
KEY1 11
.
http://www.xiaoyu163.com
DELTA-SIGMA
MODULATOR
1/64
DECIMATION
FILTER
WITH
HIGH-PASS
DELTA-SIGMA
FILTER
MODULATOR
CLOCK & TIMING CONTROL
8
VCC
11 7
ST
11 6
SELECT
5 Y
4-BIT LATCH
12-BIT SHIFT
KEY DATA MEMORY
(2 x 16)
TIMING GENERATOR
KEY SCAN
DISPLAY RAM 24-BIT OUTPUT
24 BITS x 12 WORDS
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y
COMMAND
DECODER
i
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2 9
8
ANTIALIAS
14 VINR
LOW-PASS FILTER
ANTIALIAS
13 VINL
LOW-PASS FILTER
12 FMT
SERIAL
11 MD1
INTERFACE
10 MD0
&
MODE/FORMAT 9 DOUT
CONTROL
8 BCK
– FL Board –
IC801 TK11133CSCL-G
5
CONTROL
Q Q
3 6 7 1 3
CIRCUIT
REFERENCE
1
44 43 42 41 40 39
12 4
REGISTER
8
DATA
SELECTOR
8
24 16
LATCH
DIMMING
CIRCUIT
.
12 13 14
HBD-E770W
9 4 2 8
4
OVER HEAT &
OVER CURRENT
PROTECTION
1 5 0 5 – 8 2 9 9 4
+
BANDGAP
2 3
38 37 36 35 34
4
GRID
DRIVER
33 SEG19/GRID10
32 SEG18/GRID11
31 SEG17/GRID12
8 8
MULTIPLEXED
30 VEE
DRIVER
29 SEG16/KS16
28 SEG15/KS15
27 SEG14/KS14
16
SEGMENT
m
DRIVER
26 SEG13/KS13
25 SEG12/KS12
co
24 SEG11/KS11
23 SEG10/KS10
15 16 17 18 19 20 21 22
9 9
2 8 9 9
75