Sony CDX-GT57UP Service Manual ▷ View online
CDX-GT57UP
CDX-GT57UP
25
25
4-11. SCHEMATIC DIAGRAM - KEY Board -
• See page 26 for IC Block Diagrams.
Note: Refer to the servicing notes “NOTE FOR REPLACEMENT OF
THE USB CONNECTOR (CN902) AND THE AUX JACK (J901)”
(See page 4), if replacing the Ref. No. CN902 and the Ref. No. J901.
(See page 4), if replacing the Ref. No. CN902 and the Ref. No. J901.
D
A
9
11
G
C
1
7
2
10
H
13
6
4
B
E
8
5
F
I
3
12
BOARD
(2/4)
CN102
A
MAIN
2.6
5.1
5.1
2.6
0.1
0.1
0.1
0.1
5.1
5.1
5.1
5.2
5.1
2.6
2.6
2.6
2.6
2.6
2.6
2.6
5.2
3.4
1.7
2.6
2.6
2.6
2.6
2.6
2.6
5.2
3.4
1.7
2.6
4.8
0.1
3.3
0.2
4.8
0.1
3.3
0.2
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
5.1
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
2.6
KEY BOARD
R961
1.5k
RT1N140C-TP-1
Q905
DIMMER
SWITCH
IC902
IC901
1M
R904
C904
0.47
R902
150
R901
150
R903
100
R920
820
R921
1k
R922
1k
R923
1.2k
R924
1.5k
R925
1.8k
2.2k
R926
R991
820
R992
1k
R993
1k
R994
1.2k
R995
1.5k
R996
1.8k
R997
2.2k
R908
120
R909
120
R910
120
R984
150
R919
0
470
R916
470
R917
R980
150
S907
S902
S901
S903
S904
S906
S905
R906
27
R907
27
RT1N140C-TP-1
Q901
FB903
FB901
FB902
J901
VCC
OUT
GND
IC902
PNJ4813M01S0
LSW905
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
3
1
2
4
5
6
LSW906
LSW907
LSW908
LSW909
LSW910
LSW911
LSW912
1k
R998
RKZ6.8B2KGP1
D916
RKZ6.8B2KGP1
D912
RKZ6.8B2KGP1
D91
1
RT6N140C-TP-1
Q903
R944
820
R942
0
0
R905
LED954
LED950
LED952
LED946
LED942
LED944
LED938
LED940
LED934
LED936
LED932
R982
150
R986
150
R988
220
R990
220
R950
1k
R952
1.2k
R946
1k
R948
1.2k
R940
820
R972
1k
R974
1.2k
R966
1k
R968
1.2k
R954
1k
R956
1k
R958
1.2k
1000p
C915
1000p
C916
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
R918
0
0
R999
0
R927
1
2
3
4
2
3
4
4P
CN902
RE901
ROTARY ENCODER
(VOLUME)
1
3
2
4
5
R970
1k
0
R976
DA2J10100L
D901
470
R915
C910
18p
C909
18p
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
2
1
3
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
51
52
53
54
55
56
57
58
59
60
61
62
63
64
PT6587-LQ
IC901
DIMMER BACK-LIGHT 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
LCD901
1
56789
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
24
49
51
3
50
C91
1
18p
C901
0.1
C902
0.1
0.1
C903
C906
0.1
C912
0.1
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]
S[1]
S[2]
S[3]
S[4]
S[5]
S[6]
S[7]
S[8]
S[9]
S[10]
S[11]
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]
COM[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
DATA
CLK
DATA
GND-USB
D-
D+
VBUS-USB
SEEK+
SEEK-
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
SML-D12V8WT86TN
(ILLUMINATION)
LED938,940,942,944
CAT
PTY
SOURCE
OFF
SOURCE
OFF
MODE
SELECT
PUSH ENTER/
SEEK+
SEEK-
MODE
SCRL
DSPL
6
PAUSE
5
ZAP
4
SHUF
3
REP
2
ALBUM
1
ALBUM
LED DRIVE
LCD
BACK LIGHT
DRIVE
(LCD BACK LIGHT)
REMOTE CONTROL
SIGNAL RECEIVER
LCD CONTROL
LIQUID
CRYSTAL
DISPLAY
PANEL
AUX
IC B/D
(Page 21)
CDX-GT57UP
CDX-GT57UP
26
26
• 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
IC402 MM1836A33NRE
VOUT
4
CONT 1
GND 2
NC 3
VIN
5
+
–
VOLTAGE
REFERENCE
REGULATOR
CURRENT
LIMIT
THERMAL
SHUTDOWN
BIAS
IC401 BD3467FV-E2
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
IC681, 682 NJM2878F3-15 (TE2)
5
VIN
4
VOUT
2
GND
3
N.C.
1
CONTROL
BANDGAP
REFERENCE
THERMAL
PROTECTION
CDX-GT57UP
27
– KEY Board –
IC901 PT6587-LQ
IC1300 OZ539IGN-A1-0-TR
BST 1
LX 2
FLT_USB
9
VIN 3
EN_SYS 4
USBOUT 5
ISET_USB
10
RT
15
VREF
16
FB_USB 6
USBIN
2V
UVLS
7
SYNC 8
GNDA
14
VIC_USB
11
SS_SYS
13
EN_USB
12
HDR
+
OSCILLATOR
REFERENCE
GENERATOR
OVER CURRENT
PROTECTION
VS
SEL
Q
S
R
R
ADJUSTMENT
GENERATOR
CHARGE
PUMP
OVER-CURRENT
LIMIT
USB FAULT
PROTECITON
VOUT_SYS (USBIN)
FAULT PROTECTION
+
–
+
–
+
–
+
–
–
1 2 3 4 5 6 7 8 9 10 11 12
25
26
27
28
17
18
19
20
21
22
23
24
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
53
54
54
55
56
57
58
59
60
61
62
63
64
13 14 15 16
29
30
31
32
COM2
COM1
COM1
51
52
52
COM4
COM3
COM3
SEG51
SEG52/OSC
CS
CLK
SI
VDD
VLCD1
VLCD2
VSS
GP1/SEG1
GP2/SEG2
GP3/SEG3
GP4/SEG4
GP5/SEG5
GP6/SEG6
GP7/SEG7
GP8/SEG8
SEG9
SEG10
SEG1
1
SEG12
SEG13
SEG14
SEG15
SEG16
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
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEGMENT
DRIVER & LA
TCH
SHIFT
REGISTER
COMMON
DRIVER
CLOCK
GENERATOR
ADDRESS
DETECTOR
INHB
49
SEG49
50
SEG50
CDX-GT57UP
28
• IC Pin Function Description
MAIN BOARD IC501 R5F3650KBDZ74FA (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
LCD_SO
O
Serial data output to the liquid crystal display driver
2
LCD_CLK
O
Serial clock signal output to the liquid crystal display driver
3
NOSE_SW
I
Front panel remove/attach detection signal input terminal “L”: Front panel is attached
4
SIRCS
I
Remote control signal input from the remote control signal receiver
5
UNISO
-
Not used
6
UNISI
-
Not used
7
UNISCK
-
Not used
8
BYTE
I
External data bus width select signal input Connect to VSS in this set
9
CNVSS
I
Flash write signal input terminal Normally operation: “L”, Flash write: “H”
10
XIN
I
Low speed operation clock signal input terminal (32.768 kHz)
11
XOUT
O
Low speed operation clock signal output terminal (32.768 kHz)
12
RESET
I
System reset signal input from the reset signal generator “L”: reset
13
OSCOUT
O
High speed operation clock signal output terminal (7.92 MHz)
14
VSS
-
Ground terminal
15
OSCIN
I
High speed operation clock signal input terminal (7.92 MHz)
16
VCC1
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt signal input terminal Fixed at “H” in this set
18
RC_IN1
I
Rotary remote commander shift key input terminal
19
BUIN
I
Back up power supply detection signal input terminal “L” is input at low voltage
20
SYSRST
O
Reset signal output terminal
21
BUS_ON
-
Not used
22
MC_RX
I
Serial data input from the CD drive/USB controller
23
DOOR_SW
I
Front panel remove/attach detection signal input terminal Not used
24
MC_TX
O
Serial data output to the CD drive/USB controller
25
DOOR_ING
O
LED drive signal output terminal Not used
26
SYNC_OUT
O
Synchronize signal output to the DC/DC converter
27
EJECT_OK
O
Eject OK signal output terminal Not used
28
BEEP
O
Beep sound drive signal output to the power amplifi er
29
I2C_SCL
O
IIC serial clock signal output terminal
30
I2C_SDA
I/O
IIC two-way serial data bus terminal
31
FW_TXD
O
Flash writer data output terminal
32
FW_RXD
I
Flash writer data input terminal
33
FW_CLK
I
Flash writer clock signal output terminal
34
FW_BUSY
O
Flash writer busy signal output terminal
35
XM_TX
O
Serial data output to the SIRIUSXM IN connector
36
XM_RX
I
Serial data input from the SIRIUSXM IN connector
37
XM_POWER_EN
O
Power supply on/off control signal output to the SIRIUSXM IN connector
38
CD_ON
I
Power supply on/off control signal input terminal for the CD section
39
CDM_ON
I
Power supply on/off control signal input terminal for the CD mechanism section
40
WAKE_UP
O
System wakeup signal output to the CD drive/USB controller
41
EPM
O
EPM signal output terminal Fixed at “L” in this set
42
Z_MUTE
I
Muting on/off control signal input from the CD drive/USB controller
43 to 45
NCO
-
Not used
46
CE
O
Chip enable signal output terminal Fixed at “H” in this set
47
HIT2_SDA
I/O
IIC two-way serial data bus with the FM/AM tuner unit
48
HIT2_SCL
O
IIC serial clock signal output to the FM/AM tuner unit
49
HIT2_RESET
O
Reset signal output to the FM/AM tuner unit
50
EN_USB
O
Power supply on/off control signal output to the DC/DC converter
51
VBUS_ON
I
VBUS on/off control signal input from the CD drive/USB controller “H”: VBUS on
52
FLT_USB
I
Over current detection signal input from the DC/DC converter
53
EN_SYS
O
Power supply on/off control signal output to the DC/DC converter
54
IPOD
I
iPod connection mode is difference slope setting terminal
55
EXTATT_XEN
-
Not used
56
TELATT
I
Telephone attenuator detection signal input terminal Not used
57
ACC_IN
I
Accessory power detection signal input terminal “L”: accessory power on
58
ATT
O
Muting on/off control signal output terminal “H”: muting on
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