Sony CDX-GT620U / CDX-GT627UE / CDX-GT670U / CDX-GT670US Service Manual ▷ View online
CDX-GT620U/GT627UE/GT670U/GT670US
CDX-GT620U/GT627UE/GT670U/GT670US
33
33
5-12. PRINTED WIRING BOARDS – KEY Section (2) –
(GT620U:AEP,UK,RU/GT627UE)
(GT620U:AEP,UK,RU/GT627UE)
•
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
C
SUB BOARD CN201
.
SEEK+
FB880
FB881
FB882
J901
AUX
D998
LED901
LED902
LED903
LED904
LED905
LED
906
LED907
LED908
LED909
LED910
LED911
LED
912
LED913
LED914
LED
915
LED941
LED942
LED943
LED944
LED951
LED952
LED953
LED954
LED955
LED
956
LED957
LED958
LED959
LED
960
LED961
LED962
LED963
LED964
LED965
LED991
R939
R940
R947
R948
LED945
S901
S902
S903
S904
S905
S906
S907
S908
S909
S910
S911
S912
S913
S914
S915
LED908,958
S908
DSPL/
SCRL
6/
PAUSE
5/
DM+
4/
SHUF
3/
REP
2/
GP/ALBM+
1/
GP/ALBM–
MODE
LED909,959
S909
LED910,960
S910
LED911,961
S911
LED912,962
S912
LED913,963
S913
LED914,964
S914
LED915,965
S915
LED904,954
S904
AF/TA/PTY
LED941-948,991
(RING ILLUMINATION)
IC971
LED905,955
S905
OFF
LED906,956,
S906
N
SEEK–
LED903,953,
S903
LED901,951,
S901
SOURCE
LED902,952,
S902
/BROWSE
LED907,957,
S907
IC971
4
3
1
2
LED948
LED947
LED
946
C921
C932
C971
C991
C992
CN1
D901
D903
5
8
8
4
24
13
1
4
3
2
1
12
1
D931
D971
D97
4
D981
D982
D98
3
D984
D985
D986
D987
D990
D991
D992
D993
D994
D995
D996
D997
FB971
FB991
IC980
D980
LF990
Q503
Q941
Q942
Q943
Q991
Q992
Q993
R901
R902
R903
R904
R905
R906
R907
R908
R909
R910
R911
R912
R913
R914
R915
R921
R922
R923
R924
R925
R926
R927
R928
R929
R930
R931
R932
R933
R934
R935
R93
6
R937
R938
R941
R942
R943
R944
R945
5
3
4
2
1
R946
R949
R950
R951
R952
R953
R954
R955
R956
R957
R958
R959
R962
R965
R966
R968
R969
R971
R972
R973
R981
R982
R983
R98
4
R985
R986
R987
R988
R989
R990
R991
R992
R993
R994
GT627UE
GT620U:AEP,UK,RU
R995
R996
R998
S918
S918
(DOOR)
J11
(USB)
R999
C905
R920
R919
R917
R918
C922
R963
R964
R975
ORG
RED
BRN
ORG
RED
BRN
R976
FL900
J11
RE901
RE901
PUSH ENTER/SELECT
(VOLUME)
1-875-354- (11)
11
1-875-355- (11)
11
1-875-354- (11)
11
/BACK
(Page 29)
Ref. No. Location
• Semiconductor
Location
D901
I-12
D903
G-10
D931
H-9
D971
G-12
D974
G-12
D980
G-4
D981
G-10
D982
I-5
D983
H-10
D984
G-10
D985
I-9
D986
H-7
D987
H-7
D990
G-9
D991
H-9
D992
G-9
D993
I-11
D994
G-12
D995
G-12
D996
I-9
D997
G-10
D998
B-13
IC971
D-3
IC980
G-11
LED901 A-2
LED902 B-5
LED903 C-5
LED904 D-5
LED905 D-2
LED906 C-2
LED907 B-2
LED908 D-12
LED909 D-11
LED910 D-10
LED911 D-9
LED912 D-8
LED913 D-8
LED914 D-7
LED915 D-6
LED941 B-3
LED942 C-4
LED943 C-3
LED944 C-3
LED945 B-4
LED946 C-3
LED947 B-3
LED948 C-4
LED951 A-1
LED952 B-5
LED953 C-5
LED954 D-5
LED955 D-2
LED956 C-2
LED957 B-2
LED958 D-11
LED959 D-11
LED960 D-10
LED961 D-9
LED962 D-8
LED963 D-8
LED964 D-7
LED965 D-6
LED991 B-3
LED902 B-5
LED903 C-5
LED904 D-5
LED905 D-2
LED906 C-2
LED907 B-2
LED908 D-12
LED909 D-11
LED910 D-10
LED911 D-9
LED912 D-8
LED913 D-8
LED914 D-7
LED915 D-6
LED941 B-3
LED942 C-4
LED943 C-3
LED944 C-3
LED945 B-4
LED946 C-3
LED947 B-3
LED948 C-4
LED951 A-1
LED952 B-5
LED953 C-5
LED954 D-5
LED955 D-2
LED956 C-2
LED957 B-2
LED958 D-11
LED959 D-11
LED960 D-10
LED961 D-9
LED962 D-8
LED963 D-8
LED964 D-7
LED965 D-6
LED991 B-3
Q503
G-12
Q941
G-5
Q942
H-7
Q943
I-2
Q991
H-8
Q992
H-8
Q993
H-7
CDX-GT620U/GT627UE/GT670U/GT670US
CDX-GT620U/GT627UE/GT670U/GT670US
34
34
5-13. SCHEMATIC DIAGRAM – KEY Section (2) –
(GT620U:AEP,UK,RU/GT627UE)
(GT620U:AEP,UK,RU/GT627UE)
• See page 38 for IC Block Diagram.
IC B/D
R985
R986
R986
R984
R996
R995
R994
R991
R992
R993
R915
R908
R914
R907
R906
R913
R912
R904
R911
R903
R910
R909
FB991
R987
R905
R972
R971
R969
R968
R962
R959
R982
R983
R981
R973
R963
R975
R976
R966
R965
C922
C905
R901
R902
R998
S90
1
S902
S903
S90
4
S905
S906
S90
7
S908
S909
S910
S91
1
S912
S913
S914
S91
5
D931
C932
C991
C992
C971
R955
R957
R951
R953
R943
R945
R933
R935
R937
R921
R923
R925
R927
R929
R931
C921
FB971
D998
R988
R989
R990
R989
R990
FL900
IC971
Q943
Q942
Q503
J901
CN1
FB880
FB881
FB882
FB881
FB882
D983
D984
D981
D974
D971
D98
7
D98
5
D986
D996
D993
D991
D990
D992
D994
D995
D901
D903
LF990
IC980
S918
D997
RE901
Q991
Q992
Q993
R999
LED965
LED915
LED964
LED914
LED961
LED911
LED962
LED912
LED963
LED913
LED908
LED958
LED909
LED910
LED901
LED951
LED907
LED957
LED960
LED959
LED905
LED955
LED906
LED956
LED902
LED953
LED952
LED904
LED954
LED903
R922
R924
R926
R928
R930
R932
R936
R938
R944
R946
R952
R954
R956
R958
LED991
LED941
LED945
LED942
R939
R941
LED943
R947
LED944
R949
LED948
LED946
R940
R942
R950
R948
D980
R934
R917
R920
R920
R918
R919
R919
Q941
R964
J11
D982
LED947
(Page 30)
CDX-GT620U/GT627UE/GT670U/GT670US
35
• IC Block Diagrams
IC300 TDA8588AJ/N2/R1/M5 (AEP, UK, RU) (MAIN Board (1/4))
IC300 TDA8588AJ/N2/R1 (EXCEPT AEP, UK, RU) (MAIN Board (1/4))
IC300 TDA8588AJ/N2/R1 (EXCEPT AEP, UK, RU) (MAIN Board (1/4))
MUTE
MUTE
ENABLE
LOGIC
STANDBY/
MUTE
BATTERY
DETECTION
CHIP DETECT/
DIAGNOSTIC
PROTECTION/
DIAGNOSTIC
SWITCH
REGULATOR
SWITCH
REFERENCE
VOLTAGE
LOADDUMP
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
SERVO3.3V
MECH6V
VP
BU+B
SDA
SCL
VP2
PGND1
SVR
IN–FL
IN–FR
BEEP
PGND3
VP1
STB
PGND4
RST
CRES
AUDIO+B
GND
PANEL+B
CBU
FL
RL
RR
VP
FR
I
2
C BUS
CDX-GT620U/GT627UE/GT670U/GT670US
36
IC50 TDA7333013TR (AEP, UK, RU) (MAIN Board (2/4))
IC401 BD3442FS-E2 (MAIN Board (2/4))
VDDA
INTERPOLATOR
RAM
BUFFER
&
CONTROL
LOGIC
TEST LOGIC
&
PIN MUX'S
I
2
C/SPI
INTERFACE
BAND PASS
FILTER
SIGMA DELTA
CONVERTER
SINC4
FILTER
REF3
REF2
REF1
VSS
VDDD
RESETN
TM
1
MPX
16
CSN
SDAOUT
RDSREG
3
INTN
MPX
SINC4REG
SDAIN
SCK
SCK
SPI
TESTREG
TESTREG
14
2
3
4
5
6
7
8
INTN
15
SA
13
SDA
12
SCL
11
OSCILLATOR
XTO
10
XTI
9
RDS
DEMODULATOR &
SYNCHRONIZATION
2
1
2
BUS-RCH
100k
100k
100k
100k
100k
100k
250k
250k
250k
BUS-LCH
TU-RCH 3
4
TU-LCH
5
CD-RCH
6
CD-LCH
7
AUX-RCH
8
AUX-GND
9
AUX-LCH
10
DS3-L
11
DS1-L
12
DS2-L
13
EBIAS
14
DS2-R
15
DS1-R
16
DS3-R
26 OUT-FR
27 VCC
VCC
VCC2
28 MUTE
29 SCL
30 SDA
31 GND
32 FIL
INPUT
SELECTOR
VOLUME1
/MUTE
VOLUME2
I2C
BUS
LOGIC
TREBLE
/BASS
/MIDDLE
SPECTRUM
ANALYZER
FADER
25 OUT-FL
24 OUT-RR
23 OUT-RL
FADER
FADER
22 SUBOUT-R
21
20
SUBOUT-L
19
ADJ
18
SAOUT
17
SADA
SACLK
FADER
FADER
LPF
EFFECT
INPUT
GAIN
FADER
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