Sony CDX-DAB500A / CDX-DAB500U Service Manual ▷ View online
CDX-DAB500A/DAB500U
CDX-DAB500A/DAB500U
29
29
1
2
19
20
Q901
L903
Q931
FB902
FB903
FB901
R906
R916
R968
R917
R918
R919
CN901
R920
R921
R922
R925
R926
R927
R928
R929
R931
R933
R935
R937
R939
R941
R949
C911
C912
R951
C916
R953
R943
R945
R955
R957
R959
C922
C923
C924
C921
C925
R961
C926
C927
R963
C928
R967
R970
R969
R971
R972
R973
R975
R977
R995
R996
R997
16
17
32
64
49
1
33
48
R998
R999
D906
D908
D909
D907
IC901
D935
D936
1
53
LCD901
LIQUID CRYSTAL DISPLAY PANEL
LED931
LED933
LED935
LED937
LED967
LED947
LED951
LED953
LED955
LED957
LED959
LED961
LED963
LED965
CN903
R923
R924
S901
S902
S903
S904
S905
S906
S907
S909
S910
S911
S912
S913
S914
S915
S916
IC902
RE901
J901
LED901
R947
LED969
E
1
4
K
A
A
K
K K K
A A A
E
K
A
K
A
K
A
K
A
A
K
A
K
A
K
1
5
2
3
3
1
4
KEY BOARD
(COMPONENT SIDE)
KEY BOARD
(CONDUCTOR SIDE)
ROTARY
ENCODER
>
M
SEEK+
LED935, S903
LED947, S901
LED965, S909
PAUSE
6
LED963, S910
LED961, S911
SHUF
4
LED959, S912
3
LED957, S913
LED955, S914
LED953, S915
LED951, S916
LED969
(ILLUMINATION)
S901 - 907, 909 - 916
LED931, 933, 935, 937, 947, 951, 953, 955,
LED957, 959, 961, 963, 965, 967, 969
5
ALBUM v
2
V
ALBUM
1
SEEK–
m .
LED937, S905
LED931, S902
LED933, S904
A
K
(LCD BACK LIGHT)
LED967, S907
ZAP
LED967, S906
1-886-920-
21
(21)
1-886-920-
21
(21)
OFF
SOURCE
MODE
SCRL
DSPL
PTY
AF/TA
AUX
PUSH ENTER/
MENU
(VOLUME)
RE901
A
B
C
D
E
1
2
3
4
5
6
7
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A
K
A2
MAIN BOARD
CN102
A4
MAIN BOARD
CN102
(Suffix-12)
(Suffix-11)
4-13. PRINTED WIRING BOARD - KEY Board (Suffi x-21) -
(Page 27)
(Page 25)
•
: Uses unleaded solder.
Note 1: Refer to the servicing notes “NOTE FOR REPLACEMENT OF THE USB CONNECTOR
(CN903) AND THE AUX JACK (J901)” on page 4, if replacing CN903 and J901.
Note 2: Refer to the servicing notes “MAIN AND KEY BOARDS DISCRIMINATION” (page 5) for how to
distinguish Suffi x-11 and Suffi x-12 of the MAIN board, Suffi x-11 and Suffi x-21 of the KEY board .
CDX-DAB500A/DAB500U
CDX-DAB500A/DAB500U
30
30
A
CN102
(3/4)
MAIN
BOARD
IC B/D
0
0
2.6
0
3.3
0
5
2.6
1.7
3.4
5.2
2.6
2.6
2.6
2.6
2.6
2.6
5.2
5.2
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.2
5.2
5.2
5.2
C912
0.1
FB903
FB901
FB902
1k
R906
RKZ6.8B2KGP1
D907
RKZ6.8B2KGP1
D909
RKZ6.8B2KGP1
D908
RKZ18B2KGP1
D906
C916
1000p
C911
1000p
20P
CN901
1
USB_GND
2
USB_VBUS
3
D_GND
4
KEY_GND
5
AUX_L
6
AUX_R
7
AUX_GND
8
RE_0
9
RE_1
10
KEY_1
11
KEY_0
12
SIRCS
13
LCD_DATA
14
LCD_CE
15
LCD_CLK
16
ILL
17
PANEL_SW
18
D–
19
D+
20
GND
D935
RKZ5.1B2KGP1
1
2
3
4
4P
CN903
0
R975
0
R996
DA2J10100L
D936
VCC
OUT
GND
PNJ4813M01S0
IC902
1
2
3
100
R973
R955
R923
820
R924
1k
R925
1k
R927
1.5k
R928
1.8k
R929
2.2k
NHSW157AT
(LCD BACK LIGHT)
LED901
LED935
LED931
LED937
LED933
LED953
LED941
LED939
LED951
LED945
LED963
LED955
LED957
LED947
LED959
LED943
LED961
R953
R957
R959
R961
R963
RE901
2
4
5
3
1
6
7
J901
R977
R967
LTC014TUBFS8TL
Q901
LTC914TUBFS8TL
Q931
LED965
L903
3
1
2
4
LCD901
1
5
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
39
40
41
42
43
44
45
46
47
48
52
2
4
49
51
3
50
53
R935
R937
R945
R951
R931
R933
R941
R939
R943
R949
R916
820
R917
1k
R918
1k
R919
1.2k
R920
1.5k
R921
1.8k
2.2k
R922
R926
1.2k
R971
150
R972
150
R968
120
R969
120
R970
120
C928
0.1
C922
0.47
1M
R995
C923
0.1
0.1
C921
C924
0.1
C926
18p
C927
18p
C925
18p
470
R997
470
R999
470
R998
PT16512-LQ
IC901
1
BACK-LIGHT
2
COLOR1
3
COLOR2
4
SEG49
5
SEG48
6
SEG47
7
SEG46
8
SEG45
9
SEG44
10
SEG43
11
SEG42
12
SEG41
13
SEG40
14
SEG39
15
SEG38
16
SEG37
17
SEG36
18
SEG35
19
SEG34
20
SEG33
21
SEG32
22
SEG31
23
SEG30
24
SEG29
25
SEG28
26
SEG27
27
SEG26
28
SEG25
29
SEG24
30
SEG23
31
SEG22
32
SEG21
33
SEG20
34
SEG19
35
SEG18
36
SEG17
37
SEG16
38
SEG15
39
SEG14
40
SEG13
41
SEG12
42
SEG1
1
43
SEG10
44
SEG9
45
SEG8
46
SEG7
47
SEG6
48
SEG5
49 SEG4
50 SEG3
51 COM4
52 COM3
53 COM2
54 COM1
55 SEG2
56 VDD
57 VDD1
58 VDD2
59 VSS
60 SEG1
61 INH
62 LCD_CE
63 LCD_CLK
64 LCD_DATA
S[1]
S[2]
COM[1]
COM[2]
COM[3]
COM[4]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[1
1]
S[12]
S[13]
S[14]
S[15]
S[16]
S[17]
S[18]
S[19]
S[20]
S[21]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
S[1]
S[2]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[1
1]
S[12]
S[13]
S[14]
S[15]
S[16]
S[17]
S[18]
S[19]
S[20]
S[21]
S[22]
S[23]
S[24]
S[25]
S[26]
S[27]
S[28]
S[29]
S[30]
S[31]
S[32]
S[33]
S[34]
S[35]
S[36]
S[37]
S[38]
S[39]
S[40]
S[41]
S[42]
S[43]
S[44]
S[45]
S[46]
S[47]
S[48]
COM[4]
COM[3]
COM[2]
S[48]
S[47]
S[46]
S[45]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
CE
DATA
CLK
S[44]
COM[1]
S[49]
CE
DATA
CLK
S[49]
S901
S902
S903
S904
S905
S906
S907
S909
S910
S911
S912
S913
S914
S915
S916
ZAP
(ILLUMINATION)
6
PAUSE
5
SHUF
4
REMOTE CONTROL
IC902
RECEIVER
IC901
ZAP
LIQUID CRYSTAL DISPLAY PANEL
4
SHUF
5
6
PAUSE
KEY BOARD
LIQUID CRYSTAL DISPLAY DRIVER
1.2k
1.2k
1.2k
1.2k
1k
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
1k
1k
1k
1.2k
1.2k
1.2k
1k
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
680
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
820
1.2k
R947
1.2k
820
680
LED967
R941
R939
ZAP
SML-D12V8WT86TN
470
470
1k
MODE
SOURCE
OFF
SEEK+
OFF
SOURCE
SEEK–
SEEK+
MODE
(ILLUMINATION)
LED969
R945
R943
(ILLUMINATION)
470
470
SML-D12V8WT86TN
SCRL
DSPL
1
ALBUM
ALBUM
2
3
DSPL
SCRL
3
ALBUM
2
1
ALBUM
PTY
AF/TA
(VOLUME)
ROTARY
ENCODER
PUSH ENTER/MENU
LED DRIVE
LED DRIVE
AF/TA
PTY
AUX
I
6
H
15
1
C
12
13
5
F
16
17
8
2
B
D
G
11
10
E
J
9
A
4
3
7
14
SEEK–
(Suffix-21)
(Suffix-11)
(Suffix-21)
(Suffix-11)
4-14. SCHEMATIC DIAGRAM - KEY Board -
(Page 22)
• See page 31 for IC Block Diagrams
Note 1: Refer to the servicing notes “NOTE FOR REPLACEMENT OF THE USB CONNECTOR
(CN903) AND THE AUX JACK (J901)” on page 4, if replacing CN903 and J901.
Note 2: Refer to the servicing notes “MAIN AND KEY BOARDS DISCRIMINATION”
(page 5) for how to distinguish Suffi x-11 and Suffi x-21 of the KEY board .
CDX-DAB500A/DAB500U
31
• IC Block Diagrams
– MAIN Board –
IC301 TDF8556AJ/N5
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOAD DUMP
PROTECTION
TEMPERATURE
PROTECTION
BACK-UP
SWITCH
REGULATOR
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
TAB
OUT-FL–
OUT-FL+
OUT-RL–
OUT-RL+
IN-RL
S-GND
IN-RR
OUT-RR+
OUT-RR–
OUT-FR+
OUT-FR–
DIAG
ANT-REM
AMP-REM
SERVO+3.3V
MECHA+6V
VP
BU+B
I2C_SIO
I2C_SCK
VP2
P-GND1
SVR
IN-FL
IN-FR
BEEP
P-GND3
VP1
STB
P-GND4
RST
CRES
AUDIO+B
(8.5V)
(8.5V)
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
CDX-DAB500A/DAB500U
32
IC402 MM1836A33NRE
VOUT
4
CONT 1
GND 2
NC 3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
IC401 BD3467FV-E2
IC681, 682 MM3404A15URE
VOUT
3
CE 1
GND 2
VDD
4
+
–
VOLTAGE
REFERENCE
CURRENT
LIMIT
BIAS
A1 1
INPUT SELECTOR
(2 SINGLE-END AND 4 STEREO ISO)
MUTE
MAIN GAIN
ADJUST
SUB GAIN
ADJUST
I2C
BUS
LOGIC
2ND ORDER LOW-PASS FILTER
INPUT GAIN
OUTC
40
A2 2
B1 3
B2 4
CP1 5
CN 6
CP2 7
ISO
GND
AMP
ISO
GND
AMP
DP1 8
DN 9
DP2 10
ISO
GND
AMP
ISO
GND
AMP
EP1 11
EN 12
EP2 13
ISO
GND
AMP
ISO
GND
AMP
FP1 14
FN1 15
ISO
GND
AMP
FN2 16
FP2 17
MIN 18
SPA1 19
SPA2 20
ISO
GND
AMP
OUTS
39
OUTR1
38
OUTR2
37
OUTF1
36
OUTF2
35
INF2
34
IG1
28
IG2
27
VCC
26
INF1
33
INR2
32
INR1
31
INS
30
INC
29
FADER
ATT
FADER
ATT
FADER
ATT
FADER
ATT
FADER
ATT
FADER
ATT
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
FADER
BOOST
+
+
VCC
FIL
25
GND
24
SDA
23
SCL
22
MUTEB
21
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