Sony AIR-SA15R / AIR-SA20PK Service Manual ▷ View online
AIR-SA15R
AIR-SA15R
21
21
6-9. PRINTED WIRING BOARDS - POWER SUPPLY Section -
•
: Uses unleaded solder.
• See page 12 for Circuit Boards Location.
W901
JW901
W902
D906
D907
D908
T901
FH901
FH902
F902
F903
FH904
FH903
D905
T902
PT901
C905
C906
C904
W312
Q903
R912
POWER
TRANSFORMER
NOT REPLACEABLE:
BUILD IN TRANSFORMER
BUILD IN TRANSFORMER
∗
∗
(AC IN)
H
MAIN BOARD
CN902
1-877-605-
11
(11)
POWER BOARD
1
3
G
MAIN BOARD
CN312
1-877-608-
11
(11)
REG BOARD
E
C
B
A
B
C
D
E
F
1
2
3
4
5
6
7
(Page 20)
(Page 20)
AIR-SA15R
AIR-SA15R
22
22
R929
C902
C901
R901
R902
D903
D904
D901
D902
C908
C909
R938
FB901
D912
C911
R914
Q906
R916
C913
R935
R961
R962
R963
R964
R917
D910
CN312
C914
R915
R910
R909
R908
R907
R906
R905
R904
R903
R923
R924
R925
Q901
R918
R945
R947
C919
Q902
R948
R919
R922
R946
C912
D909
R920
R921
R928
R931
R930
Q907
C917
Q908
R932
R926
C916
Q601
R653
C653
Q602
Q603
C654
R657
R662
R656
D601
R655
C655
C659
FB601
0
D602
R658
R321
C612
C613
C614
FB602
0
C61
1
C607
R609
C606
X602
R605
C605
R660
R659
R602
C660
C658
C661
D603
R949
R955
R953
R952
R951
R950
R957
R956
R911
R603
IC603
R308
R665
R663
R305
D604
R601
C347
R349
R348
R346
R345
R344
R642
R641
R644
R645
R646
R647
R648
R650
R652
R640
R326
R347
C638
R341
R350
S302
JR201
JR101
Q309
C922
R324
FB303
Q310
R314
C314
R307
R309
R320
R310
R306
C304
R351
R31
1
C303
R319
R317
C333
C334
R318
Q302
Q920
R325
R322
Q311
D911
R939
C920
R940
R941
R943
R927
R942
Q914
C921
C915
R937
R637
R628
R629
R630
R631
R632
R633
R634
R635
R636
R626
R625
R624
R623
R622
R621
R620
R619
R618
R617
R616
CN902
CN307
CN310
IC602
IC601
uPD78F0526GB (S)-UET-A
CN316
CN301
CN802
CN315
R912
W312
W902
D906
D907
D908
D905
F903
CN101
C905
C906
F902
T902
T901
Q905
PT901
C904
X601
Q604
R643
R604
R323
C318 100P
Q913
R654
Q903
S301
220k
0.1
0.1
47k
47k
2A02M
2A02M
2A02M
2A02M
0.1
4700
25V
470
MA2J1110GL
2200
16V
100
2SC3052F
10k
0.01
1k
4.7
4.7
4.7
4.7
470
MAZ8027
3P
CN317
3P
0.1
470
10
10
10
10
10
10
10
10
100
100
100
KTA1266GR
10k
4.7k
R614
1k
47k
0.01
C804
1
2SC3052F
2.2k
100k
47k
1k
47
25V
MC2836
100k
22k
470k
10k
10k
2SC3052F
1
2SC3052F
47k
47k
0.1
ISA1235AC1TP
10k
0.1
2SC3052F
2SC3052F
0.01
1k
4.7k
1k
MAZ8036
47
100
6.3V
0.1
MC2836
10k
0
0.1
220
10V
1
1
22p
220k
22p
32.768kH
z
10k
0.1
47k
47k
47k
0.1
0.1
0.1
MA2J1110GL
2.2k
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
1k
S-24CS02AFJ-TB
10k
0
47k
100
MC2836
1M
0.1
10k
10k
10k
10k
10k
R343 22k
4.7k
2.2k
1k
1k
1k
1k
1k
10k
4.7k
1k
10k
47k
0.1
22k
22k
0
0
RT1P141C
220
10V
10k
2SC3052F
10k
1
10k
10
10k
1k
47k
2200p
470
4.7k
0.01
470k
1k
1
1000p
0
2SC3052F
KTA1271Y
47k
1k
RT1N141C
MAZ8043
470
0.01
470
10
0
2.2k
1k
2SC3052F
0.1
220
10V
10V
22k
R638
1k
1k
1k
100
10k
2.2k
2.2k
100
100
1k
1k
4.7k
1k
1k
100
100
100
100
100
100
0
100
4P
2P
2P
PST3629NR
9P
13P
5P
11P
1k
3P
4P
1N4002B
1N4002B
1N4002B
1N4002B
T630mAL
250V
7P
0.1
0.1
T2AL
250V
250V
2SC3052F
0.1
16MHz
2SC3052F
22k
1k
10k
KTC3198GR
220k
2SB1274SA-R
32
31
51
31
32
37
36
35
25
24
24
25
35
36
37
51
34
33
51
33
34
23
22
22
23
18
19
20
21
18
20
21
C319 100P
19
48
40
40
42
46
45
44
48
16
16
26
26
28
28
17
17
44
45
46
42
1
2
3
4
1
2
3
4
A5V
R-CH
AGND
L-CH
GND
DAC-SL
DAC-DA
INT
3.3V
GND
RESN
I2C_SCL
I2C_SDA
SO
SI
RST
VSS
3.3V
FLMD
5V
L-CH
AGN
D
R-CH
AGND
A-MUTE
BUZ
ZER
A-ON
L+R
5.6V
AC12V
AC12V
GND
STB-
LED
KEY0
KEY1
KEY2
DGND
LCD
-MODE
LCD-DA
T
A
LCD-SC
L
LCD-CE
3.3V
DGND
DGND
LCD
-LED
AIR
-LED
VDD
LCD-INH
GND
12V
DGND
EVER_3.3V
SIRC
GND
GND
GND
A2
A1
A0
SDA
SCL
WP
VCC
CD
NC
OUT
VDD
GND
LEV-DET
SA-ID
P-MONI
SPEC
KEY2
KEY1
KEY0
3.3V-MONI
P-ON
A-MUTE
BUZZ2
BUZZ3
AC CUT
EROM-DA
EROM-CL
XT2
XT1
FLM
D0
X2
X1
REGC
VSS
VDD
RESET
WA
K
E
KEY
-
GND
OUT
VCC
SA-PA
LCD-MOD
DAC-CL
DAC-DA
SA-RST
SA-DA
SA-CL
SA-INT
LCD-INH
(A-MUTE)
AMP-ON
3.3V-ON
A
VSS
AV
R
EF
LCD-CL
LCD-CE
LCD-DA
FLAS-SO
FLAS-SI
SA-LED
LCD
-LED
BUZ
ZER
P-ON DE
T
STB-
LED
SIRC
5.6V
AC12V
AC12V
GND
REGULATOR
+3.3V
Q905,906
Q901,902
DC
DETECT
DC DETECT
Q907,908
SYSTEM CONTROLLER
IC901
NJL23H400B
REMOTE
CONTROL
RECEIVER
R_CON BOARD
TRANSFORMER
POWER
(AC IN)
∗ NOT REPLACEABLE:
BUILD IN TRANSFORMER
∗
+4V REGULATOR
Q601-603
VOLTAGE DETECT
SWITCH
RESET
DETECT
LEVEL
(NC)
EEPROM
+5V REGULATOR
Q913,914
+3.3V REGULATOR
R841
W317
47
R842
47
3P
B+ SWITCH
Q311,920
S-AIR ID
PAIRING
A
B
C
B+ SWITCH
Q309,310
(US, CND)
(AEP, UK)
6-10. SCHEMATIC DIAGRAM - MAIN Section -
• See page 13 for Waveforms. • See page 13 for IC Block Diagrams. • See page 23 for IC Pin Function Description.
(Page
15)
(Page 19)
(Page 19)
(Page 17)
(Page 17) (Page 17)
Ver. 1.1
AIR-SA15R
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"
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
3.3V-ON
O
Power supply on/off signal output terminal for the EZW-RT10 and D/A converter
"H": power on
"H": power on
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
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 from remote control receiver
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
BUZZER
O
Buzzer volume control signal output terminal
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
"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
-
-
Not used
52
BUZZ3
O
Buzzer volume control signal output terminal
24
AIR-SA15R
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
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
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.
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.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet’s Color
• Abbreviation
CND :
CND :
Canadian
model
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.
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
0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifi é.
le numéro spécifi é.
top panel section
1
2
3
3
3
2
4
4
front panel section
rear panel section
not supplied
(HP board)
(HP board)
not supplied
(R_CON board)
(R_CON board)
not supplied
(HP holder
board)
(HP holder
board)
not supplied
(US)
Ver. 1.1
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