Read Sony CDX-G1000U / CDX-G1000UE / CDX-G1001U / CDX-G1002U / CDX-G1050U / CDX-G1050UE / CDX-G1051U / CDX-G1070U / CDX-G1071U / CDX-G1080UM Service Manual online
CDX-G1000U/G1000UE/G1001U/G1002U/G1050U/G1050UE/G1051U/G1070U/G1071U/G1080UM
CDX-G1000U/G1000UE/G1001U/G1002U/G1050U/G1050UE/G1051U/G1070U/G1071U/G1080UM
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• IC Pin Function Description
MAIN BOARD IC501 LC88FC2H0AF2312-2H (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 (Type A/D)
USB over current detection signal input from the DC/DC converter
“L”: over current (Type B/C)
USB over current detection signal input from the DC/DC converter
“L”: over current (Type B/C)
19
EN_SYS
O
Power on/off control signal output to the DC/DC converter “H”: power on (Type B/C only)
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
Serial data input from the audio DSP
27
TX
O
Serial 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
HIT2_CLK
O
Serial data transfer clock signal output to the tuner unit
39
HIT2_DATA
I/O
Two-way data bus with the tuner unit
40
HIT2_RST
O
Reset signal output to the tuner unit “L”: reset
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
Pin No.
Pin Name
I/O
Description
59 to 61
S-GAIN_A to
S-GAIN_C
O
SUB OUT gain control signal output terminal
62
KEYACK0
I
Key acknowledge signal (wake up signal) input from the rotary commander
63
KEYACK1
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
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
Ver. 1.2
Note 1: Refer to the “TYPE A/B DISCRIMINATION OF
MAIN BOARD” on page 3 for how to distinguish
Type A and Type B of MAIN board.
Type A and Type B of MAIN board.
Note 2: Refer to the “TYPE C/D DISCRIMINATION OF
MAIN BOARD” on page 1 on supplement-1 for how
to distinguish Type C and Type D of MAIN board.
to distinguish Type C and Type D of MAIN board.
Click on the first or last page to see other CDX-G1000U / CDX-G1000UE / CDX-G1001U / CDX-G1002U / CDX-G1050U / CDX-G1050UE / CDX-G1051U / CDX-G1070U / CDX-G1071U / CDX-G1080UM service manuals if exist.