Sony STR-DB900, Руководство по обслуживанию

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34 34
STR-DB900
STR-DB900
• IC Block Diagrams
– DIGITAL Board –
IC209 BR24L16F-WE2
8 VCC
7 TEST
6 SCL
5 SDA
1 A0
2 A1
3 A2
4 GND
ADDRESS
DECODER SLAVE WORD
ADDRESS REGISTER
DATA
REGISTER
16 K bit EEPROM ARRAY
CONTROL CIRCUIT
POWER SUPPLY
VOLTAGE DETECTION
HIGHT VOLTAGE
GENERATOR
11 bit 8 bit
11 bit
STOP START
ACK
IC217 LC89056W-E
38
37
36
23
24
1 2 3 4 5
44
8 9 10
46
17
22
21
20
30 35 25 26 27 28 29 32 33 34
16
45
13
14
15
47
40
41
48
CLK
39 XSEL
CE
DI
EMPHA
AUDIO
DISEL SPDIF
DINO
DINI
DIN2
6
D.GND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
DVDD
31
DGND DO CSFLAG F0/P0/C0 F1/P1/C1 F2/P2/C2 VF/P3/C3 LOCK BPSYNC ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42 DGND
43 DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
SYSTEM
RESET
MODE
SELECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
CLOCK
16 15 14 13 12 11 10 9
1 2 3 4 5 6 7 8
2G
2C3 2C2 2C1 2C0 2Y
VCC 2C3 2C2 2C1 2C0
STROBE
2G
OUTPUT
2Y
A
SELECT
DATA INPUTS
B B A A
B B A A
1G
1C3 1C2 1C1 1C0 1Y
STROBE
1G
B
SELECT
1C3 1C2 1C1 1C0 OUTPUT
1Y
GND
DATA INPUTS
IC204, IC210 TC7WH157FK (TE85R)
SEL
11 6
STB 11 7
A 1
2
3
A
B
Y 5
Y
B
GND 4
VCC 8
Y
EN G
Y
IC306, IC307, IC312, IC318, IC319, IC328,
IC329, IC330, IC331, IC332, IC603, IC604 HIP2101IBZT
VDD 1
HB 2
HOUT 3
HSCT 4
LOUT 8
VSS 7
LIN 6
HIN 5
DRIVE
LO
DRIVE
HI
CONTROL
IC325 TC7SHU04FU
5 4
1 2 3
– AMP Board –
IC211 SN74HC153ANS IC203 IC16LV6416-15TG
1 A4
2 A3
3 A2
4 A1
5 A0
6 CS
11 VDD
12 VSS
44 A5
43 A6
42 A7
38 D15
37 D14
36 D13
35 D12
41 OE
40 BHE
39 BLE
34 VSS
33 VDD
28 NC
23 NC
32 D11
31 D10
30 D9
29 D8
27 A8
26 A9
25 A10
24 A11
7 D0
8 D1
9 D2
10 D3
13 D4
14 D5
15 D6
16 D7
18 A15
17 WE
22 NC
19 A14
20 A13
21 A12
DECODER
64K X 16
MEMORY
ARRAY
CONTROL
CIRCUIT
COLUMN I/O
I/O
DATA
CIRCUIT