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Model
AIR-SA10 DAV-HDX277WC DAVHDX576WF DAV-HDX678WF DAV-HDX975WF
Pages
35
Size
2.8 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
air-sa10-dav-hdx277wc-davhdx576wf-dav-hdx678wf-dav.pdf
Date
PREV: Sony SRS-BT100 / SRS-BT100IK Service Manual

Sony AIR-SA10 / DAV-HDX277WC / DAVHDX576WF / DAV-HDX678WF / DAV-HDX975WF Service Manual ▷ View online

AIR-SA10
21
•  IC Block Diagrams
– S-AIR RX-IF Board –
IC008   WM8728SEDS/RV
VOUTL
3
2
1
8
4
7
14
13
BCKIN
DIN
LRCIN
VOUTR
MCLK
5
ZERO
6
DGND
DVDD
10
9
AGND
AV
D
D
VREFP
VREFN
DIGITAL
FILTERS
SIGMA-DELTA
MODULATOR
D/A
CONVERTER
LOW-PASS
FILTER
LOW-PASS
FILTER
CONTROL INTERFACE
12
VMID
11
20
LA
TI2S
D/A
CONVERTER
SIGMA-DELTA
MODULATOR
SERIAL
INTERFACE
MUTING/
ATTENUATOR
MUTING/
ATTENUATOR
19
SCK
18
SDIDEM
17
MUTEB
16
MODE
15
CSBIWL
VDD 2
OUT 1
GND 3
+
–
VREF
CD
5
NC
4
– MAIN Board –
IC602   PST3629NR
AIR-SA10
22
1 2
4 5
3
6 7 8 9
SEG10
10
SEG16
16
SEG15
15
COMMON
DRIVER
SEG17
17
INPUT
SELECT
CIRCUIT
INPUT
SELECT
SHIFT
REGISTER1
50-BIT
DECODER
LATCH CIRCUIT/SEGMENT DRIVER
SCL 57
CE 56
DATA 58
MODE 59
COM1 64
COM2 63
COM3 62
COM4 61
SEG50 50
SEG49 49
INH 60
VLCD 55
VSS 54
VDD 53
OSC1
SEG48
51
OSC2 52
INPUT
SELECT
SHIFT
REGISTER2
50-BIT
INPUT
SELECT
SHIFT
REGISTER3
50-BIT
INPUT
SELECT
SHIFT
REGISTER4
50-BIT
SHIFT
REGISTER
CONTROL
CIRCUIT
DIVIDING
CIRCUIT
OSCILLATION
CIRCUIT
48
SEG47
47
SEG46
46
SEG45
45
SEG44
44
SEG43
43
SEG42
42
SEG41
41
SEG40
40
SEG39
39
SEG38
38
SEG37
37
SEG36
36
SEG35
35
SEG34
34
SEG33
33
SEG14
14
SEG13
13
SEG12
12
SEG1
1
11
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG18
18
SEG19
19
SEG20
20
SEG21
21
SEG22
22
SEG23
23
SEG24
24
SEG25
25
SEG26
26
SEG27
27
SEG28
28
SEG29
29
SEG30
30
SEG31
31
SEG32
32
– LCD Board –
IC801   NJU6433BF
AIR-SA10
23
•  IC Pin Function Description
MAIN BOARD  IC601  uPD78F0526GB (S)-UET-A (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
KEY-WAKE
I
System wake up signal input terminal
2
AC CUT
I
AC cut on/off detection signal input terminal    "L": AC cut on
3
EROM-DA
I/O
Two-way serial data bus with the EEPROM
4
EROM-CL
O
Serial data transfer clock signal output to the EEPROM
5
RESET
I
System reset signal input from the reset switch    "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
6
XT2
O
Sub system clock output terminal (32.768 kHz)
7
XT1
I
Sub system clock input terminal (32.768 kHz)
8
FLMDO
I
Internal fl ash memory data writing mode control signal input terminal    Not used
9
X2
O
Main system clock output terminal (16 MHz)
10
X1
I
Main system clock input terminal (16 MHz)
11
REGC
-
External capacitor connection terminal for regulator
12
VSS
-
Ground terminal
13
VDD
-
Power supply terminal (+3.3V)
14, 15
-
-
Not used
16
AMP-ON
O
Power amplifi er on/off control signal output terminal    "H": power amplifi er on
17
(A-MUTE)
O
Power amplifi er muting on/off control signal output terminal    "H": Power amplifi er muting on
18
SA-INT
I
Interrupt request signal input from the EZW-RT10
19
SA-CL
O
Serial data transfer clock signal output to the EZW-RT10
20
SA-DA
I/O
Two-way serial data bus with the EZW-RT10
21
SA-RST
O
System reset signal output to the EZW-RT10    "L": reset
22
DAC-DA
I/O
Two-way serial data bus with the D/A converter
23
DAC-CL
O
Serial data transfer clock signal output to the D/A converter
24
LCD-MOD
O
Signal output for discriminating between command and display data to the liquid crystal 
display driver    "L":display data, "H": command
25
LCD-INH
O
Reset signal output to the liquid crystal display driver   "L": reset
26
SA-PA
I
PAIRING key input terminal
27
SIRC
I
SIRCS signal input terminal    Not used
28
STB-LED
O
LED drive signal output terminal for STANDBY indicator    "H": LED on
29
P-ON DET
I
AC power detection signal input terminal
30
3.3V-ON
O
Power supply on/off signal output terminal for the EZW-RT10 and D/A converter    
"H": power on
31
LCD-LED
O
LED drive signal output terminal for LCD back light    "H": LED on
32
SA-LED
O
LED drive signal output terminal for S-AIR indicator    "H": LED on
33
FLAS-SI
I
Serial data input terminal    Not used
34
FLAS-SO
O
Serial data output terminal    Not used
35
LCD-DA
O
Serial data output to the liquid crystal display driver
36
LCD-CE
O
Chip enable signal output to the liquid crystal display driver
37
LCD-CL
O
Serial data transfer clock signal output to the liquid crystal display driver
38
AVREF
I
Reference voltage (+3.3V) input terminal
39
AVSS
-
Ground terminal
40
LEV-DET
I
Audio level detection signal input terminal
41
SA-ID
I
S-AIR ID switch input terminal
42
P-MONI
I
Power monitor input terminal
43
SPEC
I
Time display setting terminal    
"L": AEP model, "M": Japanese model, "H": North American model
44 to 46
KEY2 to KEY0
I
Front panel key input terminal
47
3.3V-MONI
I
Power supply voltage detection signal input terminal for the EZW-RT10 and D/A converter
48
P-ON
O
Main power on/off control signal output terminal
49
A-MUTE
O
Muting on/off control signal output terminal    Not used
50
BUZZ2
O
Buzzer volume control signal output terminal
51
BUZZER
O
Buzzer interval control signal output terminal
52
BUZZ3
O
Buzzer volume control signal output terminal
24
AIR-SA10
SECTION  7
EXPLODED  VIEWS
 1 
X-2188-588-1 FRAME 
ASSY, 
GRILLE
 2 
4-233-372-02 FOOT 
(FELT)
  3 
3-252-827-11  SCREW (B2.6), (+) BV TAPPING
 4 
3-087-053-01 +BVTP2.6 
(3CR)
  Ref. No. 
Part No. 
Description 
Remark
  Ref. No. 
Part No. 
Description 
Remark
Note:
•  -XX and -X mean standardized parts, so 
they may have some difference from the 
original one.
•  Items marked “*” are not stocked since 
they are seldom required for routine ser-
vice.
  Some delay should be anticipated when 
ordering these items.
•  The mechanical parts with no reference 
number in the exploded views are not sup-
plied.
•  Color Indication of Appearance Parts Ex-
ample:
  KNOB, BALANCE (WHITE) . . . (RED)
   
 
R 
R
   
 
Parts Color  Cabinet’s Color
•  Accessories are given in the last of the 
electrical parts list.
7-1.  OVERALL  SECTION
The components identifi ed by mark 
0 
or dotted line with mark 
0 are critical for 
safety.
Replace only with part number specifi ed.
Les composants identifi és par une marque 
0 sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant 
le numéro spécifi é.
top panel section
1
2
3
3
3
2
4
front panel section
rear panel section
not supplied
(HP board)
not supplied
(HP holder
board)
not supplied
(US)
• Abbreviation
  CND  : Canadian model
 RU  : 
Russian 
model
Ver. 1.1
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