Sony STR-DE845 / STR-DE945 Service Manual ▷ View online
45
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
64K x 16
MEMORY
ARRAY
SENSE AMP
&
WRITE
PRIVER
HIGH
BYTE
BYTE
I/O
BUFFER
LOW
BYTE
I/O
BUFFER
CHIP ENABLE
BUFFER
WRITE ENABLE
BUFFER
OUTPUT ENABLE
BUFFER
ROW/COLUMN
DECODER
BYTE ENABLE
BUFFER
1
A3
A2
A1
A0
CS
I/O 0
I/O 1
I/O 2
I/O 3
VDD
VSS
I/O 4
I/O 5
I/O 6
I/O 7
WE
A15
A14
A13
A12
NC
A4
A5
A6
A7
OE
BHE
BLE
I/O 15
I/O 14
I/O 13
I/O 12
VSS
VDD
I/O 11
I/O 10
I/O 9
I/O 8
NC
A8
A9
A10
A11
NC
IC1402
IDT71V016S15PH-AUTL (DIGITAL Board)
IC1403
TC74VHC367FT (EL) (DIGITAL Board)
IC1503
AK4527 (DIGITAL Board)
IC2002
BA7622 (OSD Board (DE945))
IC2006, 2008
LA7213 (OSD Board (DE945))
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
G1
1A
1Y
2A
2Y
3A
3Y
GND
VCC
G2
6A
6Y
5A
5Y
4A
4Y
1
2
3
4
5
6
7
8
9
10
11
33
32
31
30
29
28
27
26
25
24
23
12 13 14 15 16 17 18 19 20 21 22
44 43 42 41 40 39 38 37 36 35 34
FORMAT
CONVERTER
AUDIO
INTERFACE
INPUT
CIRCUIT
OUTPUT
CIRCUIT
CIRCUIT
LOOP1
LOOP0/SDA/CDTI
DIF1/SCL/CCLK
DIF0/CSN
P/SN
MCLK
DZF1
AVSS
AVDD
VREFH
VCOM
DZF2
RIN+
RIN–
LIN+
LIN–
ROUT1
LOUT1
ROUT2
LOUT2
ROUT3
LOUT3
DEM1
DEM0
TVDD
DVDD
DVSS
PDN
ICKS2
ICKS1
ICKS0
CAD1
CAD0
SDOS
I2C
SMUTE
BICK
LRCK
SDTI1
SDTI2
SDTI3
SDTO
DAUX
DFS
1
2
3
4
8
7
6
5
GND
IN1
IN2
IN3
OUT1
OUT2
OUT3
VCC
75OHM
DRIVER
75OHM
DRIVER
75OHM
DRIVER
1
SYNC
SEP
V-SYNC
SEP
2
3
4
5
V IN
HD
VSS
VD
VDD
46
4-32. IC PIN FUNCTION DESCRIPTION
• DIGITAL BOARD IC1101 LC89055W-RA8 (AUDIO INTERFACE RECEIVER)
Pin No.
Pin Name
I/O
Description
1
DISEL
I
Input data select terminal (fixed at “L” in this set)
2
DOUT
O
EIAJ data and parity output terminal Not used
3
DIN0
I
Amp integrate data input from the select switch (IC1005)
4
DIN1
O
Amp integrate data input terminal Not used (fixed at “L”)
5
DIN2
I
Amp integrate data input terminal Not used (fixed at “L”)
6
DGND
—
Ground terminal (digital system)
7
DVDD
—
Power supply terminal (+5V) (digital system)
8
R
I
Input terminal for VCO generator band adjustment
9
VIN
I
Input terminal for VCO self running frequency set
10
LPF
O
External LPF for PLL is connected to this terminal
11
AVDD
—
Power supply terminal (+5V) (analog system)
12
AGND
—
Ground terminal (analog system)
13
CK OUT
O
Clock signal output to the A/D, D/A converter (IC1503)
14
BCK
O
Bit clock signal output to the A/D, D/A converter (IC1503), dolby digital audio decoder
(IC1301), and audio DSP (IC1401)
(IC1301), and audio DSP (IC1401)
15
LRCK
O
Clock signal output to the A/D, D/A converter (IC1503), dolby digital audio decoder
(IC1301), and audio DSP (IC1401)
(IC1301), and audio DSP (IC1401)
16
DATAO
O
Audio data output to the dolby digital audio decoder (IC1301)
17
XSTATE
O
Clock status flag output to the system controller (IC1201)
18
DGND
—
Ground terminal (digital system)
19
DVDD
—
Power supply terminal (+5V) (digital system)
20
XMCK
O
Not used (open)
21
XOUT
O
Clock output terminal Not used (open)
22
XIN
I
Clock input from the clock oscillator (IC1404) (12.288MHz)
23
EMPHA
O
Emphasis monitor output terminal “H”: on Not used
24
AUDIO
O
Terminal for check
25
CSFLAG
O
Not used (open)
26
F0/P0/C0
O
Terminal for check
27
F1/P1/C1
O
Terminal for check
28
F2/P2/C2
O
Terminal for check
29
F3/P3/C3
O
Terminal for check
30
DVDD
—
Power supply terminal (+5V) (digital system)
31
DGND
—
Ground terminal (digital system)
32
AUTO
O
Not used (open)
33
BPSYNC
O
Not used (open)
34
ERROR
O
Error mute output to the system controller (IC1201)
35
DO
O
C-bit output to the system controller (IC1201)
36
DI
I
Data input from the system controller (IC1201)
37
CE
I
Chip enable signal input from the system controller (IC1201)
38
CLK
I
Clock signal input from the system controller (IC1201)
39
XSEL
I
Clock select terminal (fixed at “H” in this set)
40
MODE0
I
Mode 0 input terminal (fixed at “L” in this set)
41
MODE1
I
Mode 1 input terminal (fixed at “L” in this set)
42
DGND
—
Ground terminal (digital system)
43
DVDD
—
Power supply terminal (+5V) (digital system)
47
Pin No.
Pin Name
I/O
Description
44
DOSEL0
O
Data select 0 output terminal (fixed at “L” in this set)
45
DOSEL1
O
Data select 1 output terminal (fixed at “L” in this set)
46
CKSEL0
I
System clock select 0 input terminal (fixed at “L” in this set)
47
CKSEL1
I
System clock select 1 input terminal (fixed at “L” in this set)
48
XMODE
I
Reset signal input from the system controller (IC1201)
48
• DIGITAL BOARD IC1201 MB90573PFV-G-296-BND (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
SCLK
O
Serial clock signal output to the dolby digital audio decoder (IC1301)
2
SI
I
Serial data input from the dolby digital audio decoder (IC1301)
3
SO
O
Serial data output to the dolby digital audio decoder (IC1301)
4
CS
O
Chip select signal output to the dolby digital audio decoder (IC1301)
5
IC
O
Reset signal output to the dolby digital audio decoder (IC1301)
6
DSIG
I
Data detect signal input from the digital audio interface receiver (IC1101)
7
NC
O
Not used (fixed at “L”)
8
VCC
—
Power supply terminal (+5V)
9
SIN0
I
UART signal input from the display controller (IC102)
10
SOT0
O
UART signal output to the display controller (IC102)
11, 12
NC
O
Not used (fixed at “L”)
13
XHDWR
O
Data write output to the audio DSP (IC1401)
14
XHDRD
O
Data read output terminal Not used (fixed at “L”)
15
SOD
I
Serial data input from the audio DSP (IC1401)
16
XHDCS
O
Chip select signal output to the audio DSP (IC1401)
17 to 24
HD7 to HD0
O
Two-way data bus with the audio DSP (IC1401)
25
HA0
O
Address data output to the audio DSP (IC1401)
26
XRST
O
Reset signal output to the audio DSP (IC1401)
27
HRDY
O
Ready signal output to the audio DSP (IC1401)
28
CS
O
Chip select signal output to the A/D, D/A converter (IC1503)
29
CCLK
O
Clock signal output to the A/D, D/A converter (IC1503)
30
CDTI
I
Data input from the A/D, D/A converter (IC1503)
31
SMUTE
O
Soft mute signal output to the A/D, D/A converter (IC1503)
32
PD
O
Reset signal output to the A/D, D/A converter (IC1503)
33
VSS
—
Ground terminal
34 C
—
External power regulator capacitor is connected terminal
35
96kHz
O
Dfs signal output to the A/D, D/A converter (IC1503)
36, 37
NC
I
Not used (fixed at “L”)
38
DVCC
—
Power supply terminal (+5V) (digital system)
39
DVSS
—
Ground terminal (digital system)
40, 41
NC
O
Not used (fixed at “L”)
42
AVCC
—
Power supply terminal (+5V) (analog system)
43
AVR+
—
Power supply terminal (+5V)
44
AVR–
—
Ground terminal
45
AVSS
—
Ground terminal (analog system)
46
EVSTB
O
Serial strobe output to the select switch circuit
47
EVDATA
O
Serial data output to the select switch circuit
48
EVCLK
O
Serial clock output to the select switch circuit
49
DISPMR
I
Display master request signal input from the display controller (IC102)
50
DISPDATA
I
Display master data input from the display controller (IC102)
51
SLVDTA/REQ
O
Slave data/request output to the display controller (IC102)
52
DISPCLK
I
Display master clock input from the display controller (IC102)
53
NC
I
Not used (fixed at “L”)
54
VCC
—
Power supply terminal (+5V)
55
SLAT
O
Tuner latch signal output to the FM/AM tuner unit (TM301)
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