Sony CDX-G1170U / CDX-G3170UV Service Manual ▷ View online
CDX-G1170U/G3170UV
21
• IC Pin Function Description
MAIN BOARD IC501 LC88FC2H0AF2315-ENG (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 3
NC
O
Not used
4
TEST
I/O
Not used
5
RESET
I
System reset signal input terminal “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
6
XT1
I
Low-speed clock signal input terminal (32.768 kHz)
7
XT2
O
Low-speed clock signal output terminal (32.768 kHz)
8
VSS1
-
Ground terminal
9
CF1
I
High-speed clock signal input terminal (9.25 MHz)
10
CF2
O
High-speed clock signal output terminal (9.25 MHz)
11
VDD1
-
Power supply terminal (+3.3V)
12 to 16
DEBUG_1 to
DEBUG_5
O
Not used
17
EN_USB
O
USB power on/off control signal output to the DC/DC converter “H”: power on
18
FLT
I
USB over current detection signal input from the VBUS switch “L”: over current
19
EN_SYS
O
Power on/off control signal output terminal Not used
20
SDO
O
Serial data output to the audio DSP
21
SDI
I
Serial data input from the audio DSP
22
SCK
O
Serial data transfer clock signal output to the audio DSP
23, 24
NC
O
Not used
25
SYNC_OUT
O
Frequency control signal output to the DC/DC converter
26
RX
I
UART data input from the audio DSP
27
TX
O
UART data output to the audio DSP
28, 29
CTRL1_A, CTRL1_B
O
Power on/off control signal output terminal Not used
30
CTRL1_C
O
Power on/off control signal output to the regulator
31
CTRL2_A
O
Power on/off control signal output to the regulator
32
CTRL2_B
O
Power on/off control signal output terminal Not used
33
CTRL2_C
O
Power on/off control signal output to the regulator
34
BUSY
I
Busy signal input from the audio DSP “L”: busy
35
BU_IN
I
Back-up power detection signal input terminal “L” is input at low voltage
36
VSS2
-
Ground terminal
37
VDD2
-
Power supply terminal (+3.3V)
38
LITHIO_CLK
O
Serial data transfer clock signal output to the tuner unit
39
LITHIO_DATA
I/O
Two-way data bus with the tuner unit
40
NC
O
Not used
41
CMD_ERR
I
Command error signal input from the audio DSP “H”: error
42
CE
O
Chip enable signal output to the audio DSP
43
SYSRST
O
Reset signal output to the audio DSP “L”: reset
44
USBIN
I
USB device detection signal input from the audio DSP “L”: USB device is connected
45
WDT_MON
I
Watch-dog timer status monitor input from the audio DSP
46
LCD_CLK
O
Serial data transfer clock signal output to the front panel block
47
LCD_CE
O
Chip enable signal output to the front panel block
48
LCD_SO
O
Serial data output to the front panel block
49, 50
NC
O
Not used
51
ACC_IN
I
Accessory power detection signal input terminal “L”: accessory power on
52
VDD3
-
Power supply terminal (+3.3V)
53
VSS3
-
Ground terminal
54
TELATT
I
Telephone attenuator detection signal input terminal Not used
55
NC
O
Not used
56
ATT
O
Audio muting on/off control signal output terminal “H”: muting on
57
AMP_MUTE
O
Amplifi er muting on/off control signal output to the power amplifi er “L”: muting on
58
AMPSTB
O
Standby signal output to the power amplifi er “L”: standby
59 to 61
S-GAIN_A to
S-GAIN_C
O
SUB AUDIO OUT gain control signal output terminal
62
KEY_ACK0
I
Key acknowledge signal (wake up signal) input from the rotary commander
63
KEY_ACK1
I
Key acknowledge signal (wake up signal) input from the front panel block
64
SIRCS
I
Remote control signal input from the front panel block
65
NC
O
Not used
CDX-G1170U/G3170UV
22
Pin No.
Pin Name
I/O
Description
66, 67
DEBUG_6, DEBUG_7
O
Not used
68
BEEP
O
Beep sound drive signal output to the power amplifi er
69, 70
NC
O
Not used
71
RE-ON
O
Jog dial pulse pull-up signal output terminal
72, 73
RE_IN1, RE_IN0
I
Jog dial pulse input from the rotary encoder
74 to 77
NC
O
Not used
78, 79
KEYIN1, KEYIN0
I
Front panel key input terminal
80
RC_IN0
I
Rotary commander key input terminal
81
RC_IN1
I
Rotary commander shift key input terminal
82
MECHA_ON
I
Power detection signal input terminal for CD mechanism section
“H”: CD mechanism power on
“H”: CD mechanism power on
83, 84
NC
O
Not used
85
VSS4
-
Ground terminal
86
VDD4
-
Power supply terminal (+3.3V)
87 to 89
NC
O
Not used
90
NOSE_SW
I
Front panel remove/attach detection signal input terminal “L”: Front panel is attached
91, 92
NC
O
Not used
93
MEC_DSW
I
Chucking end detection switch input terminal
94
MEC_LSW
I
Limit in detection switch input terminal
95
FILT
I
Filter terminal for PLL
96
MEC_LOAD
O
Loading motor drive signal (loading direction) output terminal “H”: motor on
97
MEC_INSW
I
Disc insert detection switch input terminal
98
MEC_SELFSW
I
Self loading position detection switch input terminal
99
DRV_ON
O
Driver control signal output to the CD mechanism deck block
100
MEC_EJECT
O
Loading motor drive signal (eject direction) output terminal “H”: motor on
CDX-G1170U/G3170UV
23
Pin No.
Pin Name
I/O
Description
1
LFOUT
O
Audio signal (front L-ch) output terminal
2
LROUT
O
Audio signal (rear L-ch) output terminal
3
LVRIN
I
Audio signal (L-ch) input terminal
4
DACOUT_L
O
Audio signal (L-ch) output terminal
5
DACOUT_R
O
Audio signal (R-ch) output terminal
6
RVRIN
I
Audio signal (R-ch) input terminal
7
RROUT
O
Audio signal (rear R-ch) output terminal
8
RFOUT
O
Audio signal (front R-ch) output terminal
9
L1_IN
I
Audio signal (tuner L-ch) input terminal
10
R1_IN
I
Audio signal (tuner R-ch) input terminal
11
L2_IN
I
Audio signal (L-ch) input terminal Not used
12
R2_IN
I
Audio signal (R-ch) input terminal Not used
13
L3_IN_P
I
Audio signal (AUX L-ch) input terminal (positive)
14
L3_IN_N
I
Audio signal (AUX L-ch) input terminal (negative)
15
R3_IN_P
I
Audio signal (AUX R-ch) input terminal (positive)
16
R3_IN_N
I
Audio signal (AUX R-ch) input terminal (negative)
17, 18
ATEST01 (OPN),
ATEST02 (OPN)
O
Analog test output terminal Not used
19
VREFOUT
O
Reference voltage output terminal Not used
20
VREF_ADC
O
External capacitor connection terminal for audio A/D converter reference voltage
21
AVSS2
-
Ground terminal (analog system)
22
AVDD2
-
Power supply terminal (+3.3V) (analog system)
23 to 26
NC
-
Not used
27
CD_DI
O
Serial data output to the digital servo processor
28
CD_CL
O
Serial data transfer clock signal output to the digital servo processor
29
CD_DO
I
Serial data input from the digital servo processor
30
CD_CE
O
Chip enable signal output to the digital servo processor
31
DVDD
-
Power supply terminal (+3.3V) (digital system)
32
DVSS
-
Ground terminal (digital system)
33 to 36
GP30 (NCO) to
GP33 (NCO)
I/O
Not used
37
SBSY
I
CD sub-code block sync signal input from the digital servo processor
38
SFSY
I
CD sub-code fl ame sync signal input from the digital servo processor
39
PW
I
CD sub-code PW data input from the digital servo processor
40
SBCK
I
CD sub-code data transfer clock signal input from the digital servo processor
41
DVDD
-
Power supply terminal (+3.3V) (digital system)
42
DVSS
-
Ground terminal (digital system)
43
REG1_EXTR (OPN)
O
Internal regulator reserve terminal Not used
44
DVDD15
O
External capacitor connection terminal for internal regulator
45
TXD1
O
UART data output to the system controller
46
RXD1
I
UART data input from the system controller
47
SMONI
O
Watch-dog timer status monitor output to the system controller
48
OPCDM
I
External decode permission signal input from the digital servo processor
49
DVDD
-
Power supply terminal (+3.3V) (digital system)
50
DVSS
-
Ground terminal (digital system)
51
RESETB
I
Reset signal input from the system controller “L”: reset
52
SIFCK
I
Serial data transfer clock signal input from the system controller
53
SIFDI
I
Serial data input from the system controller
54
SIFDO
O
Serial data output to the system controller
55
SIFCE
I
Chip enable signal input from the system controller
56
BUSYB
O
Busy signal output to the system controller “L”: busy
57
CD_BUSYB
I
Busy signal input from the digital servo processor “L”: busy
58
LRCK
I
L/R sampling clock signal input from the digital servo processor
59
BCK
I
Bit clock signal input from the digital servo processor
60
DATA
I
Audio data input from the digital servo processor
61
MCLK
I
Master clock signal input from the digital servo processor
62
USB_IN
O
USB device detection signal output to the system controller “L”: USB device is connected
63 to 65
GP45 (NCO) to
GP47 (NCO)
I/O
Not used
MAIN BOARD IC601 LC786800E-6C07-H (USB CONTROLLER, INPUT SELECTOR, AUDIO DSP, ELECTRICAL VOLUME)
CDX-G1170U/G3170UV
24
Pin No.
Pin Name
I/O
Description
66
DVSS
-
Ground terminal (digital system)
67
DVDD
-
Power supply terminal (+3.3V) (digital system)
68
UDM1
I/O
Two-way USB data (–) bus with the USB connector
69
UDP1
I/O
Two-way USB data (+) bus with the USB connector
70
DVSS
-
Ground terminal (for digital system)
71
UDM2
I/O
Two-way USB data (–) bus terminal Not used
72
UDP2
I/O
Two-way USB data (+) bus terminal Not used
73
XVDD
-
Power supply terminal (+3.3V) (for oscillation circuit)
74
X12IN
I
System clock input terminal (12 MHz)
75
X12OUT
O
System clock output terminal (12 MHz)
76
XVSS
-
Ground terminal (for oscillation circuit)
77
AFILT
O
Charge pump output terminal for PLL
78, 79
VVDD2, VVDD3
-
Power supply terminal (+3.3V) (for PLL)
80
DVSS
-
Ground terminal (digital system)
81
DVDD
-
Power supply terminal (+3.3V) (digital system)
82
CP_SCL
O
Serial data transfer clock signal output to the EEPROM (CDX-G3170UV only)
83
CP_SDA
I/O
Two-way data bus with the EEPROM (CDX-G3170UV only)
84
CP_RESET
O
Reset signal output terminal Not used
85
CD_RESB
O
Reset signal output to the digital servo processor “L”: reset
86
CMD_ERR
O
Command error signal output to the system controller “H”: error
87
TEST0 (GND)
I
Test mode setting terminal Fixed at “L”
88
DVDD
-
Power supply terminal (+3.3V) (digital system)
89
DVSS
-
Ground terminal (for digital system)
90
DVDD15
O
External capacitor connection terminal for internal regulator
91
JTRSTB (IPD)
I
Reset signal input terminal (for JTAG) Normally: fi xed at “L”
92
JTCK (IPD)
I
Clock signal input terminal (for JTAG) Normally: fi xed at “L”
93
JTDI (IPD)
I
Data input terminal (for JTAG) Normally: fi xed at “L”
94
JTMS (IPU)
I
Mode selection signal input terminal (for JTAG) Normally: fi xed at “H”
95
JTDO (O)
O
Data output terminal (for JTAG) Normally: open
96
JTRTCK (O)
O
Return clock signal output terminal (for JTAG) Normally: open
97
TEST1 (GND)
I
Test mode setting terminal Fixed at “L”
98
AVDD1
-
Power supply terminal (+3.3V) (analog system)
99
AVSS1
-
Ground terminal (analog system)
100
LRREF
O
External capacitor connection terminal for audio D/A converter and electrical volume reference
voltage
voltage
Click on the first or last page to see other CDX-G1170U / CDX-G3170UV service manuals if exist.