Sony STR-KS1000P Service Manual page 33

IC1602 PCM1803DBR
DELTA-SIGMA
VINL 1
MODULATOR
VINR 2
VREF1 3
REFERENCE
VREF2 4
DELTA-SIGMA
MODULATOR
VCC 5
POWER
SUPPLY
AGND 6
PDWN 7
BYPAS 8
TEST 9
LRCK 10
– DISPLAY Board –
IC700 µPD16315GB-3BS
1
LED1
LED2 2
LED3 3
LED4 4
OSC 5 OSC
DOUT 6
DIN 7
SERIAL
INTERFACE
CLK 8
STB 9
KEY1 10
KEY2 11
× 1/64, × 1/128
SERIAL
DECIMATION
INTERFACE
FILTER
WITH
MODE/FORMAT
HIGH-PASS
CONTROL
FILTER
CLOCK & TIMING CONTROL
44 43
4-BIT LATCH
12-BIT SHIFT
REGISTER
KEY DATA MEMORY
(2 x 16 BITS)
TIMING GENERATOR
KEY SCAN
DISPLAY MEMORY 24-BIT OUTPUT
24 BITS x 12 WORDS LATCH
COMMAND DIMMING
DECODER CIRCUIT
12 13
20 MODE1
19 MODE0
18 FMT1
17 FMT0
16 OSR
15 SCKI
&
14 VDD
13 DGND
12 DOUT
11 BCK
42 41 38 37
40 39
12 4
GRID
DRIVER
8
8
DATA MULTIPLEXED
SELECTOR DRIVER
8
24 16
SEGMENT
DRIVER
14 15 16 17 18 19
STR-KS1000P
36
35 34
4
33 SEG19/GRID10
32 SEG18/GRID11
31 SEG17/GRID12
8
30 VEE
29 SEG16/KS16
28 SEG15/KS15
27 SEG14/KS14
16
26 SEG13/KS13
25 SEG12/KS12
24 SEG11/KS11
23 SEG10/KS10
20 21 22
33