Sony CDX-GT40U Service Manual page 41

MAIN BOARD (5/5) IC601 M321FEFG-7KN3 (SY (USB CONTROL)
Pin No. Pin Name
1 AVSS
2 VREFH
3 RESET
4 MODE
5 OPEN REQ
6 EJECT OK
7 NC
8 WAKE UP
9 to 11 NC
12 BU_IN
13 DVSS
14 NC
15 CD_ZDET
16 DEC_XMUTE
17 DEC_LRCK
18 DEC_BCK
19 DEC_DATA
20 DEC_GATE
21 DEC_REQ
22 CD_SO
23 CD_SI
24 CD_SCLK
25 MEC_SELFSW
26 NC
27 DEC_INT
28 CD_XRST
29 CD_XCCE
30,31 NC
32 Z/Y_CHECK
33 DVCC3
34 DVSS
35 DRV_ON
36 MEC_LOAD
37 MEC_EJECT
38 MEC_SSTBY
39 MEC_LIMIT
40 MEC_INSW
41 MEC_DSW
42,43 NC
44 XLINE
45 XINTIO
46 FE/SBAD_SEL
47 Z/Y_SEL
48 NC
49 MECON_CHECK
50 CDON_CHECK
51 A_ATT
52 MECON
53 CDON
54 ZMUTE
55 TXD
56 RXD
57,58 NC
59 DVCC3
60 DVSS
61 SWDIO
62 SWCLK
63 TRACECLK
64 TRACEDATA0
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
I/O
― Ground terminal for A/D converter
― Reference power supply terminal for A/D converter
I Reset signal input
I Mode signal input
O Not used. (Open)
I Front panel open eject signal input
― Not used. (Open)
I Wake up request signal input
― Not used. (Open)
I Back up signal input
― Ground terminal
― Not used. (Open)
I Zero detection signal input
O Muting on/off control signal output
O L/R sampling clock signal(44.1kHz) output
O Bit clock signal output
O Audio data signal output
O Gate signal output
I Request signal input
O Serial data output
I Serial data input
O Serial clock output
I Mechanism self switch signal input
― Not used. (Open)
I Request signal input
O CD reset signal output
O Chip enable signal output
― Not used. (Open)
― Not used. (Open)
― Power supply terminal
― Ground terminal
O Motor drive on/off control signal output
O Mechanism loading signal output(Load)
O Mechanism eject signal output(Eject)
O Strobe standby signal output
I Mechanism deck sled limit in detection signal input
I Mechanism deck pack in detection signal input
I Mechanism deck chacking end detection signal input
― Not used. (Open)
― Not used. (Open)
― Not used. (Open)
― Not used. (Open)
― Not used. (Open)
― Not used. (Open)
I Mechanism on/off check signal input
I CD on/off check signal input
O Audio attenuation signal output
O Mechanism power supply (+6V) control signal output
O CD power supply (+3.3V) control signal output
O Zero mute signal output
O Mechanism TX signal output
I Mechanism RX signal input
― Not used. (Open)
― Power supply terminal
― Ground terminal
I/O Flash write SWDIO signal input/output
I/O Flash write SWCLK signal input/output
― Not used. (Open)
― Not used. (Open)
Description
Ver. 1.4
41