Sony CDX-GT550UI / CDX-GT55UIW / CDX-GT600UI Service Manual ▷ View online
CDX-GT55UIW/GT550UI/GT600UI
CDX-GT55UIW/GT550UI/GT600UI
21
21
12
15
A
6
B
8
E
14
9
4
3
F
D
H
7
2
10
I
G
11
C
5
13
1
BOARD
A
CN901
KEY
(1/3)
BOARD
MAIN
2
(2/3)
BOARD
MAIN
3
4
MAIN
(2/3)
BOARD
3
IC B/D
IC B/D
0
0
0
0
0
0
0
0
0
0
0
0
0(1.3)
8.5(6.8)
0(4.2)
8.5(6.8)
3.1(2.9)
1.1(2.9)
3.1(2.9)
0(1.2)
0(1.2)
8.5
0(1.7)
2.2
3.8
3.7
3.8
5.6
0.3(1.9)
8.5
3(3.6)
7.1
3.9(5)
3.4
3.1(3.3)
6.2
3.1(3.3)
6.2
(AEP,UK)
3.9
3.6
3.9
3.6
3.9
3.6
3.9
3.6
3.9
3.2
3.9
3.6
3.2
3.6
3.9
8.5
3.6
3.1
3.1
8.4
3.9
3.6
3.6
3.6
AEP,UK,RU MODEL
E,EA,MX MODEL
US,CND MODEL
(EXCEPT AEP,UK)
US,CND MODEL
US,CND MODEL
US,CND MODEL
EXCEPT
US,CND MODEL
EXCEPT
US,CND MODEL
EXCEPT
US,CND MODEL
US,CND MODEL
0
2.2
MAIN BOARD (3/3)
IC401
IC001
50V
C410 10
BD3467FV-E2
IC401
ELECTRONIC VOLUME
BUS_LCH
BUS_RCH
TU_LCH
TU_RCH
AUX_LCH
AUX_GND
AUX_RCH
DP1
DN
DP2
EP1
EN
EP2
FP1
FN1
FN2
FP2
NCO
NCO
NCO
MUTE
I2C_SCK
I2C_SIO
GND
FIL
VCC(8.5V)
AU_OUT_RCH
AU_OUT_LCH
NCO
AU_IN_SUB
AU_IN_RL
AU_IN_RR
AU_IN_FL
AU_IN_FR
AU_OUT_FR
AU_OUT_FL
AU_OUT_RR
AU_OUT_RL
AU_OUT_SR
AU_OUT_SL
FB403
100p
C423
R427
1k
50V
10
C422
50V
10
C425
220
R404
R402
220
100p
C412
220
R423
10k
R411
R403 10k
R413
10k
100p
C426
0.1
C414
R426
10k
10k
R405
50V
10
C420
100p
C421
220
R410
C428
100p
FB402
10k
R424
R414
1k
C430
100p
470
R415
2.2k
R419
C158
1000p
1000p
C442
12k
R418
0
R420
470
R416
CAM003
C429
1
C427
1
1
C436
1
C437
C443
1
32
1
31
2
30
3
29
4
28
5
27
6
26
7
25
8
24
9
23
10
22
11
21
12
20
13
19
14
18
15
17
32
31
30
29
28
27
26
25
24
23
22
21
40
39
38
37
36
35
34
33
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
C444
1
0
L402
10k
R438
50V
10
C419
0
R432
0
R431
0
R430
C100
0.1
C103
0.1
C203
1000p
50V
10
C413
10k
R422
10k
R409
50V
10
C424
0
R116
0
R435
0
R436
R406
0
12k
R417
RTAN140M-T111-1
Q401
MUTE
RTAN140M-T111-1
Q402
MUTE
RTAN140M-T111-1
Q403
MUTE
RTAN140M-T111-1
Q404
MUTE
RTAN140M-T111-1
Q405
MUTE
RTAN140M-T111-1
Q406
MUTE
50V
2.2
C417
50V
2.2
C418
0
R441
1
C438
220
R407
220
R421
D117
D118
C101
1000p
D1
10
RKZ6.8B2KGP1
D108
RKZ6.8B2KGP1
D106
RKZ6.8B2KGP1
RKZ6.8B2KGP1
D103
RKZ6.8B2KGP1
D102
RKZ6.8B2KGP1
D101
RKZ18B2KGP1
D109
RKZ6.8B2KGP1
D116
0
R434
0
R433
16V
220
C415
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN402
AU_GND
AU_IN_RCH
AU_GND
AU_IN_LCH
AU_GND
AU-SUB_CH
AU_GND
AU_RL_CH
AU_FL_CH
AU_GND
AU_GND
AU_FR_CH
AU_RR_CH
20P
CN102
1
USB_GND
2
USB_VBUS
3
D-
4
D+
5
GND
6
KEY_GND
7
AUX_L
8
AUX_R
9
AUX_GND
10
RE_0
11
RE_1
12
KEY_1
13
KEY_0
14
SIRCS
15
LCD_DATA
16
LCD_CE
17
LCD_CLK
18
ILL(FP+B)
19
PANEL_SW
20
GND
D119
RKZ6.8B2KGP1
0
R122
0
R121
G
G
6P
J403
L405
0
R13 100
J1
JW126
R15 0
JW102
16V
47
C28
C13
FB3
3.3uH
L1
CAM002
JW148
4.7k
R11
33p
C8
470k
R2
FB2
0.1
C26
1000p
C5
4MHz
X1
JW147
15p
C6
470k
R1
0.01
C22
0.1
C24
R16 0
R3
0
560uH
L7
FB1
1000p
C1
L2
2.2uH
JW138
0.47
C16
0.1
C9
0.22
C12
1
C21
L6
FM MIX
1
2
3
4
6
0.01
C20
0.1
C25
12p
C18
R14 100
JW137
VR1
22
R12
TEF6617T/V1/S470,518
IC001
TEF6617T/V1/S470/M5,518
PHASE LOCKED LOOP(PLL)
AMRFIN
AMRFDEC
FMIN2
FMIN1
GNDRF
VCC2
AMRFAGC
LOUT
ROUT
GNDAUD
AMIFAGC2
MPXIN
MPXOUT
RSSI
XTAL2
XTAL1
GNDD
SCL
SDA
VREF
VREGSUP
VCC1
GND
VCODEC
PLL
PLLREF
TEST
AMSELIN1
AMSELIN2
AMIFAGC1
AMSELOUT1
AMSELOUT2
0.1
C17
560uH
L8
0.01
C23
0.01
C19
0.1
C27
11
12
13
14
12
13
14
15
16
18
19
17
20
21
21
BUS5
BUS6
CL076
CL069
CL061
CL066
CL074
CL065
CL079
CL072
CL073
CL073
CL068
CL070
CL077
CL064
CL078
CL067
CL071
CL075
CL063
J401
2P
G
J402
4P
C405
0
RKZ6.8B2KGP1
D104
RKZ6.8B2KGP1
D105
RKZ6.8B2KGP1
D107
ILL+B
RE0
LCD_DATA
KEY0
SIRCS
SIRCS
USB_D-
USB_D+
USB_D+
RE1
KEY1
KEY1
LCD_CE
LCD_CLK
LCD_CLK
NOSE_SW
CD MECHANISM
(2/2)
(MG-101P)
UNIT
(CHASSIS)
(CHASSIS)
(ANTENNA)
R
L
FRONT
R
L
R
L
REAR/SUB
-5
-6
-1
-4
-3
-2
AUDIO OUT
REAR/SUB
R
AUDIO OUT
L
BUS AUDIO IN
-1
-2
-4
-3
-1
-2
R
REAR/SUB
L
R
FRONT
AUDIO OUT
L
• See page 17 for Waveforms. • See page 24 for IC Block Diagrams.
4-6. SCHEMATIC DIAGRAM – MAIN Section (3/3) –
(Page 23)
(Page 20)
(Page 20)
(Page 19)
CDX-GT55UIW/GT550UI/GT600UI
CDX-GT55UIW/GT550UI/GT600UI
22
22
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
A
MAIN BOARD
CN102
IC902
IC901
LED920
LED928
LED929
LED923
LED924
LED926
1
52
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
LED902
LED903
S901
LED904
LED905
LED904,905
LED906 LED907
LED908 LED909
LED910
LED91
1
LED912
LED913
LED914
LED915
LED916
LED917
LED918
LED919
LED921
LED925
LED931
LED932
LED933
LED934
LED935
LED936
LED937
LED938
LED939
LED940
R920
R921
R927
R942
R956
R957
R960
R961
R962
S902
R963
S903
LED910,911,
S903
LED912,913,
S905
LED939,940,
S904
LED916,917,
S907
LED914,915,
S902
LED918-921,
S906
S904
R965
S905
R966
S906
S907
R971
R979
R983
R984
R984
R996
D921
1
2
3
1
2
3
4
5
RE901
6
7
RE901
PUSH ENTER/
SELECT
(VOLUME)
1
16
17
32
33
48
49
64
1
2
19
20
Q901
B C E
B C E
Q903
E C B
Q904
FB901
FB902
FB903
VDR906
VDR908
R900
R901
R903
R904
R905
R906
R908
R909
R910
R91
1
R944
R915
R916
R917
R918
R919
CN901
R922
R923
R924
R925
R926
R928
R929
R930
R931
R932
R933
R934
R935
R937
C901
C902
C903
C904
R940
R941
C906
R943
C909
R945
R946
R948
R949
C910
C911
C912
C915
R951
C916
1
6
5
7
4
CN902
R952
R953
R954
R955
R958
R959
R964
R967
R968
R969
R970
R972
R973
R974
R975
R976
R977
R978
R980
R981
R982
R985
R986
R987
R989
R990
R991
R994
R995
R998
R999
D901
D902
D907
D908
D909
D91
1
D912
D916
LED902,903,
S901
Z
PTY/CAT
2/ALBUM +
1/ALBUM –
m
.
SEEK–
SEEK–
SEEK+
>
>
M
1-882-750-
(11)
11
1-882-750-
(11)
11
LCD901
LIQUID CRYSTAL DISPLAY PANEL
6/PAUSE
DSPL/SCRL
J901
AUX
5
4/SHUF
3/REP
SOURCE/OFF
/MODE
CN902
(USB)
(US,CND)
PTY
(E,EA,MX)
AF/TA/PTY
(AEP,UK,RU)
ZAP
DISC SLOT
INDICATOR
LED901
LCD BACK
LIGHT
(ILLUMINATOR)
LED906,907,931,932,935,936
(ILLUMINATOR)
LED908,909,933,934,937,938
(RING ILLUMINATOR)
LED923-926,928,929
•
: Uses unleaded solder.
4-7. PRINTED WIRING BOARD – KEY Section –
(Page 18)
CDX-GT55UIW/GT550UI/GT600UI
CDX-GT55UIW/GT550UI/GT600UI
23
23
11
2
F
15
12
A
5
D
C
13
G
1
E
9
4
H
3
8
B
6
14
I
7
10
MAIN
CN102
(3/3)
A
BOARD
8.9
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
5.2
2.6
3.5
2.6
1.8
2.6
2.6
2.6
2.6
2.6
2.6
2.6
0
2.6
3.2
2.6
3
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
0
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
5.2
0.1
0
5.2
0
4.7
(AEP,UK,RU)
(US,CND)
(E,EA,MX)
Z
m
Z
Z
.
m
.
M
>
M
>
m
.
M
>
>
KEY BOARD
IC901
IC902
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
17
18
19
20
21
22
29
28
27
26
25
24
23
28
27
26
25
24
23
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
LC75829PWH-US-H
IC901
LCD DRIVER,LED CONTROL
BACK-LIGHT
DIMMER
COLOR1
COLOR2
SEG48
SEG47
SEG46
SEG45
SEG44
SEG43
SEG42
SEG41
SEG40
SEG39
SEG38
SEG37
SEG36
SEG35
SEG34
SEG33
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG1
1
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
COM4
COM3
COM2
COM1
SEG2
VDD
VDD1
VDD2
VSS
SEG52
INH
LCD_CE
LCD_CLK
LCD_DATA
SEG3
COM4
COM3
COM2
COM1
SEG2
VDD
VDD1
VDD2
VSS
SEG52
INH
LCD_CE
LCD_CLK
LCD_DATA
C901
0.1
C902
0.1
1M
R904
C904
0.47
C906
0.1
R906
150
R940
150
R986
100
RE901
2
45
3
1
6
7
R920
820
R921
1k
R922
1k
R923
1.2k
R924
1.5k
R925
1.8k
2.2k
R926
R928
820
R929
1k
R930
1k
R931
1.2k
R932
1.5k
R933
1.8k
R934
2.2k
R908
120
R909
120
R910
120
R911
1.5k
R960
180
R966
100
R965
180
0.1
C903
R919
0
100
R915
100
R916
100
R917
LCD901
LIQUID CRYSTAL DISPLAY PANEL
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
R962
100
C910
100p
C911
100p
C909
100p
S907
S902
S901
S903
S904
S906
S905
R998
0
R945
27
R946
27
1234
1234
CN902
5
6
7
RT1N140C-TP-1
Q901
LCD BACK LIGHT
DIMMER CONTROL
FB903
FB901
FB902
J901
VCC
OUT
GND
OUT
GND
PNA4813M01S0
IC902
REMOTE CONTROL
SIGNAL RECEIVER
1
2
3
LSW905
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
3
1
2
4
5
6
MA2J1
110GLS0
D901
1k
R995
RKZ6.8B2KGP1
D907
RKZ6.8B2KGP1
D908
RKZ6.8B2KGP1
D909
RKZ6.8B2KGP1
D916
RKZ6.8B2KGP1
D912
RKZ6.8B2KGP1
D911
RT6N140C-TP-1
Q903
LED DRIVER
RT6N140C-TP-1
Q904
LED DRIVER
R937
220
R900
0
0
R905
LED928
SML-D12P8WT86SJ
LED925
SML-D12P8WT86SJ
LED929
SML-D12P8WT86SJ
LED919
SML-D12P8WT86SJ
LED921
SML-D12P8WT86SJ
LED914
SML-D12P8WT86SJ
LED916
SML-D12P8WT86SJ
LED905
SML-D12P8WT86SJ
LED903
SML-D12P8WT86SJ
LED934
SML-D12P8WT86SJ
LED938
SML-D12P8WT86SJ
LED909
SML-D12P8WT86SJ
LED932
SML-D12P8WT86SJ
LED936
SML-D12P8WT86SJ
LED907
SML-D12P8WT86SJ
LED912
SML-D12P8WT86SJ
LED910
SML-D12P8WT86SJ
LED940
SML-D12P8WT86SJ
LED923
CL-197HB1E-D-T
LED924
CL-197HB1E-D-T
LED926
CL-197HB1E-D-T
LED915
CL-197HB1E-D-T
LED917
CL-197HB1E-D-T
LED904
CL-197HB1E-D-T
LED902
CL-197HB1E-D-T
LED933
CL-197HB1E-D-T
LED937
CL-197HB1E-D-T
LED931
CL-197HB1E-D-T
LED935
CL-197HB1E-D-T
LED906
CL-197HB1E-D-T
LED913
CL-197HB1E-D-T
LED91
1
CL-197HB1E-D-T
R961
180
R964
180
R981
820
R982
820
R963
100
R967
100
R984
820
R985
820
R970
150
R971
180
R978
220
R994
220
R942
220
R976
220
R948
220
R958
330
R959
330
R952
330
R953
330
R996
270
R990
270
R991
270
R983
820
R972
180
R973
180
R949
180
R951
180
R941
180
R943
180
R927
470
R935
470
R956
470
R957
470
R954
470
R955
470
R977
560
R901
470
R903
470
R979
470
R987
470
R989
560
R968
470
R969
470
R974
180
R975
220
1000p
C915
1000p
C916
RKZ6.8B2KGP1
D921
LED908
CL-197HB1E-D-T
LED918
CL-197HB1E-D-T
LED920
CL-197HB1E-D-T
20P
CN901
1
USB_GND
2
USB_VBUS
3
D-
4
D+
5
GND
6
KEY_GND
7
AUX_L
8
AUX_R
9
AUX_GND
10
RE_0
11
RE_1
12
KEY_1
13
KEY_0
14
SIRCS
15
LCD_DATA
16
LCD_CE
17
LCD_CLK
18
ILL(FP+B)
19
PANEL_SW
20
GND
NESW505DT
-A0-UV
LED901
D902
RKZ5.1B2KGP1
VDR906
VDR908
R999
10
R980
820
R918
0
10
R944
0.1
C912
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[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]
COM[1]
COM[2]
COM[3]
COM[4]
S[48]
S[47]
S[46]
S[45]
S[44]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
S[36]
S[35]
S[34]
S[33]
S[32]
S[31]
S[30]
S[29]
S[28]
S[27]
S[26]
S[25]
S[24]
S[23]
S[22]
S[21]
S[20]
S[19]
S[18]
S[17]
S[16]
S[15]
S[14]
S[13]
S[12]
S[1
1]
S[10]
S[9]
S[8]
S[7]
S[6]
S[5]
S[4]
S[3]
S[2]
S[1]
S[48]
S[47]
S[46]
S[45]
S[44]
S[43]
S[42]
S[41]
S[40]
S[39]
S[38]
S[37]
DATA
CE
CLK
CE
CLK
CLK
3/REP
4/SHUF
5
DSPL/SCRL
ZAP
AUX
1
(RING ILLUMINA
TOR)
(RING ILLUMINA
TOR)
(RING ILLUMINA
TOR)
(RING ILLUMINA
TOR)
(RING ILLUMINA
TOR)
(RING ILLUMINA
TOR)
(LCD BACK LIGHT)
1/ALBUM –
2/ALBUM +
SOURCE/OFF
/MODE
PUSH ENTER/
ROTARY ENCODER
SELECT
/MODE
LED939
CL-197HB1E-D-T
/MODE
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
(ILLUMINA
TOR)
ZAP
ZAP
SOURCE/OFF
SOURCE/OFF
(DISC SLOT
INDICA
TOR)
(DISC SLOT
INDICA
TOR)
D+
D-
4P
GND-USB
VBUS-USB
(USB)
SEEK–
SEEK+
SEEK–
SEEK–
AF/TA/PTY
PTY/CAT
PTY
(VOLUME)
SEEK+
SEEK+
6/PAUSE
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
3
1
2
4
5
6
4-8. SCHEMATIC DIAGRAM – KEY Section –
(Page 21)
CDX-GT55UIW/GT550UI/GT600UI
CDX-GT55UIW/GT550UI/GT600UI
24
24
• IC Block Diagrams
IC301 TDF8556AJ/N3 (MAIN Board (1/3))
(Except AEP, UK model)
IC301 TDF8556AJ/N3/M5 (MAIN Board (1/3))
(AEP, UK model)
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
IC402 TK11133CSCL-G (MAIN Board (1/3))
IC801 BA8271F-E2 (MAIN Board (1/3))
(US, Canadian model)
1
2
3
4
5
6
5
6
7
8
9
10
14
13
12
11
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS_ON
RST
BATT
CLK
VREF
GND
VCC
RST
BUS_IN
CLK_IN
BU_CHECK
BUS_IN
CLK_IN
BU_CHECK
DATA_IN
DATA_OUT
DATA_I/O
1
2
3
5
4
CONT
GND
NOISE
VIN
VOUT
OVERHEAT &
OVERCURRENT
PROTECTION
BAND GAP
REFERENCE
CONTROL
CIRCUIT
IC001 TEF6617T/V1/S470,518 (MAIN Board (3/3)) (Except AEP, UK model)
IC001 TEF6617T/V1/S470/M5,518 (MAIN Board (3/3)) (AEP, UK model)
IC001 TEF6617T/V1/S470/M5,518 (MAIN Board (3/3)) (AEP, UK model)
IC601 BD9070FP-E2 (MAIN Board (2/3))
AMRFIN 1
AMRFDEC 2
FMIN2 3
FMIN1 4
LOUT 8
ROUT 9
MPXOUT 13
RSSI 14
XTAL2 15
XTAL1 16
GNDAUD 10
GNDRF 5
VCC2 6
AMRFAGC 7
AMIFAGC2 11
MPXIN 12
AMSELOUT2
32
AMSELOUT1
31
AMIFAGC1
30
AMSELIN2
29
PLL
25
VCODEC
24
VREF
20
SDA
19
SCL
18
GNDD
17
GND
23
AMSELIN1
28
DAV N
27
PLLREF
26
VCC1
22
VREGSUP
21
AM
TUNER
FM
TUNER
OUTPUT
PLL
TUNING
SYSTEM
I2C BUS
POWER
SUPPLY
STEREO DECODER
HIGH CUT
SOFT MUTE
NOISE BLANKER
SIGNAL
IMPROVEMENT
CONTROL
BANDWIDTH
CONTROL
RDS
DEMODULATOR
AND
DECODER
PVIN
24
16
NCO
23
INV
18
VDD
15
NCO
14
OVP
VDD
17
FLG 10
NCO 11
HSDSW 12
HSDSW 13
HSDSW 13
NCO
20
TAB
27
FB
19
SW
22
SW
21
VIN 2
VREGB 1
HSDCTL 9
SYN/EN 8
RT 7
GND 6
TAB 26
PGND 5
NCO 4
NCO 3
CONTROL
LOGIC
DRV
LOGIC
UVLO,
TSD,
HSD UVLO
HSD UVLO
UVLO, TSD,
OVP, OCP, SCP
CHARGE
PUMP
SOFT
START
OCD
SLOPE
OSC
VREF
SYNC
VREG
UVLO
TSD
+
–
–
+
+
–
+
HSD
UVLO
SCP
–
+
SCP
OVP
OCP
+
–
OVP
R
S
PWM
ERR
PVIN
25
–
+
OCP
UVLO
TSD
DRV
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