Sony STR-K700 Service Manual - Page 29

IC1401 PCM1800E/2K, IC100, PT6315 - reset

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STR-K700 AGND VCC C PR C NR C PR C NR VDD DGND SYSCLK DOUT BCK LRCK IC1401 PCM1800E/2K 24 23 22 21 20 19 18 17 16 15 14 13 DIGITAL ∑ MODULATOR DIGITAL ∑ MODULATOR 1/64 DECIMATION FILTER & LOW-CUT FILTER SERIAL I/O INTERFACE & MODE/FORMAT CONTROL SINGLE-END DEFERENTIAL CONVERTER 1 REFERENCE 234 SINGLE-END DEFERENTIAL CONVERTER 5 CLOCK/ TIMING CONTROL RESET/ POWER CONTROL 6 789 10 11 12 RSTB BYPASS FMT0 FMT1 MODE0 MODE1 FSYNC LIN V REF 1 REFCOM V REF 2 RIN - DISPLAY Board - IC100 PT6315 44 43 42 41 40 39 Grid driver LED1 1 LED2 2 LED3 3 LED4 4 Command decoder Display memory 24 bits x 12 words VSS VDD GRID1 GRID2 GRID3 GRID4 SEG24/GRID5 SEG23/GRID6 SEG22/GRID7 SEG21/GRID8 SEG20/GRID9 38 37 36 35 34 Multiplexed driver 33 SEG19/GRID10 32 SEG18/GRID11 31 SEG17/GRID12 12-bit shift register Data selector VSS 4-bit latch VDD OSC 5 OSC DOUT 6 DIN 7 CLK 8 STB 9 Serial interface KEY1 10 KEY2 11 12 13 Timing generator key scan Key data memory (2 x 16 bits) 30 VEE 24-bit output latch segment driver 14 15 16 17 18 19 20 21 22 29 SEG16/KS16 28 SEG15/KS15 27 SEG14/KS14 26 SEG13/KS13 25 SEG12/KS12 24 SEG11/KS11 23 SEG10/KS10 SEG1/KS1 SEG2/KS2 SEG3/KS3 SEG4/KS4 SEG5/KS5 SEG6/KS6 SEG7/KS7 SEG8/KS8 SEG9/KS9 29

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29
STR-K700
IC1401 PCM1800E/2K
SINGLE-END
DEFERENTIAL
CONVERTER
REFERENCE
SINGLE-END
DEFERENTIAL
CONVERTER
DIGITAL
∑
MODULATOR
DIGITAL
∑
MODULATOR
1/64
DECIMATION
FILTER
&
LOW-CUT
FILTER
CLOCK/
TIMING CONTROL RESET/
POWER CONTROL
SERIAL I/O
INTERFACE
&
MODE/FORMAT
CONTROL
LIN
V REF 1
REFCOM
V REF 2
RIN
RSTB
FMT0
BYPASS
FMT1
MODE1
MODE0
FSYNC
1
2
3
4
5
6
8
7
9
11
10
12
AGND
VCC
C PR
C NR
C PR
C NR
DGND
SYSCLK
DOUT
BCK
LRCK
VDD
24
23
22
21
20
19
17
16
15
14
13
18
– DISPLAY Board
–
IC100
PT6315
1
2
3
4
5
4-bit latch
24-bit output latch
12-bit shift register
Data selector
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Serial
interface
OSC
Timing generator
key scan
Display memory
24 bits x 12 words
Key data memory
(2 x 16 bits)
Command decoder
segment driver
Grid driver
Multiplexed driver
39
40
41
42
43
44
LED1
LED2
LED3
LED4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
VSS
VDD
SEG1/KS1
SEG2/KS2
SEG3/KS3
SEG4/KS4
SEG5/KS5
SEG6/KS6
SEG7/KS7
SEG8/KS8
SEG9/KS9
SEG10/KS10
SEG20/GRID9
SEG21/GRID8
SEG22/GRID7
SEG23/GRID6
SEG24/GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
SEG11/KS11
SEG12/KS12
SEG13/KS13
SEG14/KS14
SEG15/KS15
SEG16/KS16
VEE
SEG17/GRID12
SEG18/GRID11
SEG19/GRID10