Sony MHC-GNX600 (serv.man2) Service Manual ▷ View online
57
HCD-GNX600
Pin No.
Pin Name
I/O
Description
99
EXCK
I
Not used (Open)
100
XRST
I
System reset signal input from M30622MEP
101
SYSM
I
Muting signal input (Connected to ground)
102
DATA
I
Serial data input from M30622MEP
103
VSS
–
Ground terminal
104
XLAT
I
Latch signal input from M30622MEP
105
CLOCK
I
Serial data transfer clock input from M30622MEP
106
VDD
–
Power supply terminal (+2.5V)
107
SENS
O
SENS output to M30622MEP
108
SCLK
I
SENS serial data readout clock input (Connected to +VDD(+3.3v))
109
ATSK
I/O
Not used (Open)
110
WFCK
O
Not used (Open)
111
XUGF
O
Not used (Open)
112
XPCK
O
Not used (Open)
113
GFS
O
Not used (Open)
114
C2PO
O
Not used (Open)
115
SCOR
O
High output when the sub code sync, S0 or S1, is detected
116
VDD
–
Power supply terminal (+2.5V)
117
C4M
O
Not used (Open)
118
WDCK
O
Not used (Open)
119
COUT
I/O
Not used (Open)
120
NC
–
Not used (Open)
58
HCD-GNX600
Pin No.
Pin Name
I/O
Description
• IC401 M30622MGP-A22FPU0 SYSTEM CONTROL (PLACA PRINCIPAL)
1
BD-RST
O
Reset signal output to the digital signal processor ( “L”:reset)
2
CD-DATA-OUT
O
Serial data output to the digital signal processor
3
XLAT
O
Serial data latch pulse output to the digital signal processor
4
SIRCS
I
Remote control signal input
5
MP3-DATA-OUT
O
Serial data output signal to MP3 decoder IC
6
MP3-DATA-IN
I
Serial data input signal from MP3 decoder IC
7
MP3-CLK
O
Serial data transfer clock signal to MP3 decoder IC
8
BYTE
-
Ground terminal
9
CNVSS
-
Ground terminal
10
XC-IN
I
Sub system clock input terminal (32.768kHz)
11
XC-OUT
O
Sub system clock output terminal (32.768kHz)
12
RESET
I
System reset signal input from the reset signal IC (“L”: reset) After the power supply
rises, “L” is input for several hundreds msec and then change to “H”.
13
X-OUT
O
Main system clock output terminal (5MHz)
14
VSS
-
Ground terminal
15
X-IN
I
Main system clock input terminal (5MHz)
16
VCC
-
Power supply terminal (+3.3V)
17
NMI
I
Non-maskable interrupt input terminal (Pull to +3.3V)
18
NO-USE
I
Unused port (Pull to ground)
19
SCOR
I
Subcode sync (S0+S1) detection signal input from the digital signal processor
20
AC-CUT
I
“C off detection signal input from the reset signal IC (“L”: AC cut detected)
21
SENS
I
Internal status detection monitor input from the digital signal processor
22
MP3-RST
O
Reset signal output to MP3 decoder IC
23
MP3-CS
O
Chip select output signal to MP3 decoder IC (“L”:enable)
24
MP3-LP
O
Latch output signal to MP3 decoder IC (“L”:enable)
25
MP3-ACK
I
Acknowledgement input signal from MP3 decoder IC (“L”:acknowledged)
26
MP3-REQ
I
Request signal from MP3 decoder IC
27
MP3-STB
O
Standby mode signal output to MP3 decoder IC (“L”:standby mode)
28
XTACN
O
BD DSP oscillation on/off control signal output (“H”:on)
29
IIC-CLK
I/O
Clock signal for IIC communcation between the microcomputer and the IIC checker
30
IIC-DATA
I/O
Data signal for IIC communcation between the microcomputer and the IIC checker
31
VMUTE
O
CDG video signal muting on/off control signal output (“H”: muting on)
32
CDG-DET
I
CDG disc detection signal input from CDG decoder (“H”: CDG disc detected)
33
CDG-RST
O
Reset signal output to the CDG decoder (“L”:reset)
34
CD-MUTE
O
CD analog signal muting on/off control signal output (“H”:muting on)
35
CD-POWER
O
Power on/off control signal output to BU section (“H”:power on)
36
ST-CE
O
PLL chip enable signal output to the tuner unit
37
ST-DOUT/MC-DIN
I
PLL serial data input from the tuner unit
38
ST-CLK
O
PLL serial data transfer clock signal output to the tuner unit
39
ST-DIN/MC-DOUT
O
PLL serial data output to the tuner unit
40
TUNED
I
Tuning detection signal input from the tuner unit (“L”:tuned)
41
OPEN-SW
I
Eject detection signal input from the CD mechanism deck
42
TBL-SENSE
I
Disc tray position detection signal input from the CD mechanism deck
43
E-3
I
Disc tray status detection signal input from the CD mechanism deck
44
E-2
I
Disc tray status detection signal input from the CD mechanism deck
45
E-1
I
Disc tray status detection signal input from the CD mechanism deck
46
TM-F
O
Turning motor control signal output to the CD mechanism deck
47
TM-R
O
Turning motor control signal output to the CD mechanism deck
59
HCD-GNX600
48
LM-F
O
Loading motor control signal output to the CD mechanism deck
49
LM-R
O
Loading motor control signal output to the CD mechanism deck
50
LED-ILLUMINATION-1
O
Dynamic LED drive signal output to the ILLUMINATION 1st indicator and 2nd
indicator
51
LED-ILLUMINATION-2
O
Dynamic LED drive signal output to the ILLUMINATION 3rd indicator and 4th
indicator
52
LED-ILLUMINATION-3
O
Dynamic LED drive signal output to the ILLUMINATION 5th indicator and 6h indicator
53
LED-CTRL
O
Dynamic LED drive select signal output
54
VOL-A
I
Jog dial pulse input from the VOLUME rotary encoder (A phase input)
55
VOL-B
I
Jog dial pulse input from the VOLUME rotary encoder (B phase input)
56
STBY-LED
O
LED drive signal output of POWER indicator (“H”:LED is turned on)
57
FL-DRIVER-DATA
O
Serial data output signal to FL Driver, NJU3427
58
FL-DRIVER-CLK
O
Serial data clock signal to FL Driver, NJU3427
59
FL-DRIVER-RESET
O
Serial data reset signal to FL Driver, NJU3427
60
FL-DRIVER-CS
O
Serial data chip select signal to FL Driver, NJU3427
61
SW-LED
O
LED drive signal output of SUB WOOFER ON indicator (“H”:LED on)
62
VCC
-
Power supply terminal (+3.3V)
63
A-HALF
I
Deck A cassette detection signal input terminal (“H”:cassette detected)
64
VSS
-
Ground terminal
65
SM-RESET
O
Reset signal output to the S-Master Power IC
66
IO-EXP-DATA-OUT
O
Serial data output signal to IO expander, BH2210V
67
NO-USE
I
Unused port (Pull to ground)
68
IO-EXP-RST
O
Reset signal output to the I/O expander, BH2210V
69
IO-EXP-CLK
O
Serial data latch signal to I/O expander, BH2210V
70
IO-EXP-LAT
O
Serial data clock signal to I/O expander, BH2210V
71
NO-USE
I
Unused port (Pull to ground)
72
SM-SD
I
Shutdown (protector) detection signal from the S-Master Power IC
73
DISPLAY-KEY
I
DISPLAY key press detection signal (Interrupt input)
74
POWER-KEY
I
POWER key press detection signal (Interrupt input)
75
NO-USE
I
Unused port (Pull to ground)
76
SM-LATCH-1
O
Serial data latch pulse output to the S-Master Processor IC (Front channel)
77
SM-CLK
O
Serial data transfer clock signal to the S-Master Processor IC
78
SM-DATA
O
Serial data output signal to the S-Master Processor IC
79
SM-LATCH-2
O
Serial data latch pulse output to the S-Master Processor IC (Sub woofer channel)
80
NO-USE
I
Unused port (Pull to ground)
81
NO-USE
I
Unused port (Pull to ground)
82
CD-CLK
O
Serial data transfer clock signal output to the digital signal processor
83
M61537-DATA
O
Serial data output to audio signal processor, M61537FP
84
M61537-CLK
O
Serial data transfer clock signal output to audio signal processor, M61537FP
85
HP DET
I
Headphone connection detection signal input “H”: headphone connected
86
HP-MUTE
O
Headphone muting on/off control signal (“L”: muting on)
87
NO-USE
I
Unused port (Pull to ground)
88
VACS-IN
I
VACS level detection signal (A/D input)
89
A-SHUT
I
Shut off detection signal input from deck A side reel pulse detector (A/D input)
90
B-SHUT
I
Shut off detection signal input from deck B side reel pulse detector (A/D input)
91
B-HALF
I
Deck B cassette detection and forward side recording tab detection signal input
terminal (A/D input)
92
MODEL-IN
I
Model setting terminal (A/D input)
93
DEST-IN
I
Destination setting terminal (A/D input)
94
AD-KEY-3
I
Key input terminal (A/D input)
95
AD-KEY-2
I
Key input terminal (A/D input)
Pin No.
Pin Name
I/O
Description
60
HCD-GNX600
96
AVSS
-
Ground terminal (for A/D conversion)
97
AD-KEY-1
I
Key input terminal (A/D input)
98
VREF
I
A/D Converter reference voltage input terminal (+3.3V)
99
AVCC
-
Power supply terminal (+3.3V) (for A/D conversion)
100
MAIN ON/OFF
O
Main power on/off control signal output (“H”:power on)
Pin No.
Pin Name
I/O
Description
Click on the first or last page to see other MHC-GNX600 (serv.man2) service manuals if exist.