Sony CDX-GT66UPW Service Manual ▷ View online
CDX-GT66UPW
29
– KEY Board –
IC971 74LVC2G66DC-125
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
+
–
+
–
+
–
+
–
–
3
1
1Y
1Z
2E
GND
VCC
1E
2Z
2Y
4
2
5
7
6
8
60 S62
59 S61
58 S60
57 S59
56 S58
55 S57
54 S56
53 S55
52 S54
51 S53
59 S61
58 S60
57 S59
56 S58
55 S57
54 S56
53 S55
52 S54
51 S53
25
S27
26
S28
23
S25
24
S26
27
S29
28
S30
29
S31
30
S32
31
S33
32
S34
33
S35
34
S36
3
P3/S3
4
P4/S4
1
2
2
5
P5/S5
6
P6/S6
7
P7/S7
8
P8/S8
9
S9
10
S10
11
S11
12
S12
66
COM2
65
COM1
73
VSS
72
VDD2
71
VDD1
70
VDD
78
DI
79
P1/S1
80
P2/S2
77
CL
76
CE
74
S69/OSCI
69
S68
75
INH
COMMON
DRIVER
CLOCK
GENERATOR
CCB INTERFACE
SHIFT REGISTER
CONTROL
REGISTER
SEGMENT DRIVER & LATCH
13
S13
14
S14
15
S15
16
S16
S17
S18
S17
S18
17
18
18
S19
S20
S20
19
20
20
S21
S22
S22
35
S37
36
S38
37
S39
38
S40
21
S23
22
S24
39
S41
40
S42
50 S52
49 S51
48 S50
47 S49
46 S48
45 S47
44 S46
43 S45
42 S44
41 S43
49 S51
48 S50
47 S49
46 S48
45 S47
44 S46
43 S45
42 S44
41 S43
64
S66
63
S65
62
S64
61
S63
68
S67/COM4
67
COM3
IC981 LC75879PT-US-H
CDX-GT66UPW
30
• IC Pin Function Description
MAIN BOARD IC501 R5F3650KBDZ73FA (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 Fixed at “L” in this set
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
24
MC_TX
O
Serial data output to the CD drive/USB controller
25
DOOR_ING
O
LED drive signal output terminal for the eject button indicator
26
SYNC
O
Synchronize signal output to the DC/DC converter
27
EJECT_OK
O
Eject OK signal output to the CD drive/USB controller
28
BEEP
O
Beep sound drive signal output to the power amplifi er
29
I2C_SCK
O
IIC serial clock signal output terminal
30
I2C_SIO
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 terminal Not used
36
XM_RX
I
Serial data input terminal Not used
37
XM_POWER_EN
O
Power supply on/off control signal output terminal Not used
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 mechanizm 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
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
CDX-GT66UPW
31
Pin No.
Pin Name
I/O
Description
59
DIAG
I
Diagnostic signal input from the power amplifi er
60
AMPSTB
O
Standby control signal output to the power amplifi er
61
NCO
-
Not used
62
VCC2
-
Power supply terminal (+3.3V)
63
F_AUX_ATT
O
Muting on/off control signal output terminal
64
VSS
-
Ground terminal
65 to 80
NCO
-
Not used
81, 82
RE-IN1, RE-IN0
I
Jog dial pulse input from the rotary encoder
83
ILL_IN
I
Illuminate line detect signal input terminal
84 to 88
NCO
-
Not used
89
SA_DATA
I/O
IIC two-way serial data bus with the audio DSP
90
SA_CLK
O
IIC serial clock signal output to the audio DSP
91, 92
KEYACK0, KEYACK1
I
Acknowledge signal (wake up signal) input terminal
93
NCO
-
Not used
94, 95
KEYIN1, KEYIN0
I
Front panel key input terminal
96
AVSS
-
Ground terminal (for A/D converter)
97
RC_IN0
I
Rotary remote commander shift key input terminal
98
AVRH
I
Reference voltage (+3.3V) input terminal (for A/D converter)
99
AVDD
-
Power supply terminal (+3.3V) (for A/D converter)
100
LCD_CE
O
Chip enable signal output to the liquid crystal display driver
CDX-GT66UPW
32
MAIN BOARD IC601 M321FEFG-7KN3 (SY (CD DRIVE/USB CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
AVSS
-
Ground terminal
2
VREFH
I
Reference voltage (+3.3V) input terminal (for A/D converter)
3
RESET
I
Reset signal input from the system controller “L”: reset
4
MODE
I
Operation mode setting terminal Fixed at “L” in this unit
5
OPEN_REQ
-
Not used
6
EJECT_OK
I
Eject OK signal input from the system controller
7
NC
-
Not used
8
WAKEUP
I
System wakeup signal input from the system controller
9 to 11
NC
-
Not used
12
BUI_N
I
Back up power supply detection signal input terminal “L” is input at low voltage
13
DVSS
-
Ground terminal
14
NC
-
Not used
15
CD_ZDET
I
Zero detection signal input from the audio DSP
16
DEC_XMUTE
O
Muting on/off control signal output to the audio DSP “L”: muting on
17
DEC_LRCK
O
L/R sampling clock signal output to the audio DSP
18
DEC_BCK
O
Bit clock signal output to the audio DSP
19
DEC_DATA
O
Digital audio data output to the audio DSP
20
DEC_GATE
O
Gate signal output to the audio DSP
21
DEC_REQ
I
Request signal input from the audio DSP
22
CD_SO
O
Serial data output to the audio DSP
23
CD_SI
I
Serial data input from the audio DSP
24
CD_SCLK
I
Serial data transfer clock signal output to the audio DSP
25
MEC_SELFSW
I
Detection signal input from the CD section (self switch)
26
NC
-
Not used
27
DEC_INT
I
Interrupt signal input from the audio DSP
28
CD_XRST
O
Reset request signal output to the audio DSP “L”: reset
29
CD_XCCE
O
Chip enable signal output to the audio DSP
30, 31
NC
-
Not used
32
Z/Y_CHECK
-
Not used
33
DVCC3
-
Power supply terminal (+3.3V)
34
DVSS
-
Ground terminal
35
DRV_ON
O
Driver control signal output to the CD section
36
MEC_LOAD
O
Motor (Loading) signal output to the CD section
37
MEC_EJECT
O
Motor (Eject) signal output to the CD section
38
DEC_SSTBY
O
SRAM standby mode control signal output to the audio DSP
39
MEC_LIMIT
I
Detection signal input from the CD section (limit switch)
40
MEC_INSW
I
Detection signal input from the CD section (in switch)
41
MEC_DSW
I
Detection signal input from the CD section (D switch)
42, 43
NC
-
Not used
44
XLINE
-
Not used
45
XINITO
-
Not used
46
FE/SBAD_SEL
-
Not used
47
Z/Y_SEL
I
Z/Y setting terminal
48
NC
-
Not used
49
MECON_CHECK
I
Power supply volatage detection terminal for CD mechanizm section
50
CDON_CHECK
I
Power supply volatage detection terminal for CD section
51
A_ATT
O
Muting on/off control signal output terminal
52
MECON
O
Power supply on/off control signal put terminal for the CD mechanizm section
53
CDON
O
Power supply on/off control signal put terminal for the CD section
54
Z_MUTE
O
Muting on/off control signal input from the system controller
55
TxD
O
Serial data output to the system controller
56
RxD
I
Serial data input from the system controller
57, 58
NC
-
Not used
59
DVCC3
-
Power supply terminal (+3.3V)
60
DVSS
-
Ground terminal
61
SWDIO
-
Not used
62
SWCLK
-
Not used
63
TRACECLK
-
Not used
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