Sony HCD-GN880 / MHC-GN880 Service Manual ▷ View online
53
HCD-GN880
Pin No.
Pin Name
I/O
Description
49
AVSS3
—
Analog ground
50
CLTV
I
Multiplier VCO1 control voltage input
51
FILO
O
Master PLL (slave = digital PLL) filter output
52
FILI
I
Master PLL filter input
53
PCO
O
Master PLL charge pump output
54
AVDD5
—
Analog power supply
55
DDVROUT
O
DC/DC converter output
56
DDVRSEN
I
DC/DC converter output voltage monitor input
57
AVSS5
—
Analog ground
58
DDCR
I
DC/DC converter reset input
59
NC
—
Not used
60
BCKI
I
D/A interface bit clock input
61
PCMDI
I
D/A interface serial data input (2’s COMP, MSB first)
62
LRCKl
I
D/A interface LR clock input
63
LRCK
O
D/A interface LR clock output f = Fs
64
VSS
—
Internal digital ground
65
PCMD
O
D/A interface serial data output (2’s COMP, MSB first)
66
BCK
O
D/A interface bit clock output
67
VDD
—
Internal digital power supply
68
EMPH
O
High when the playback disc has emphasis, low it has not
69
EMPHI
I
High when de-emphasis is ON, low when input OFF
70
IOVDD2
—
I/O digital power supply
71
DOUT
O
Digital Out output
72
TEST
I
Test pin Normally ground
73
TES1
I
Test pin Normally ground
74
IOVss2
—
I/O digital ground
75
NC
—
Not used
76
XVSS
—
Master clock ground
77
XTAO
O
Crystal oscillation circuit output
78
XTAI
I
Crystal oscillation circuit input
79
XVDD
—
Master clock power supply
80
AVDD1
—
Analog power supply
81
AOUT1
O
Lch analog output
82
VREFL
O
Lch reference voltage
83
AVSS1
—
Analog ground
84
AVSS2
—
Analog ground
85
VREFR
O
Rch reference voltage
86
AOUT2
O
Rch analog output
87
AVDD2
—
Analog power supply
88
NC
—
Not used
89
IOVDD0
—
I/O digital power supply
90
RMUT
O
Rch “0” detection flag (Not used)
91
LMUT
O
Lch “0” detection flag (Not used)
92
NC
—
Not used
93
XTSL
I
Crystal selection input (Not used)
94
IOVSS0
—
I/O digital ground
95
XTACN
I
Oscillation circuit control
Self-oscillation when high, oscillation stop when low
96
SQSO
O
Subcode Q 80-bit and PCM peak and level data output (Not used)
97
SQCK
I
SQSO readout clock input
54
HCD-GN880
Pin No
Pin Name
I/O
Description
98
SBSO
O
Subcode P to W serial output (Not used)
99
EXCK
I
SBSO readout clock input (Not used)
100
XRST
I
System reset input
101
SYSM
I
Mute input
102
D ATA
I
Serial data input from CPU
103
VSS
—
Internal digital ground
104
XLAT
I
Latch input from CPU
105
CLOCK
I
Serial data transfer clock input from CPU
106
VDD
—
Sled drive output Internal digital power supply Tracking drive output
107
SENS
O
SENS output to CPU
108
SCLK
I
SENS serial data readout clock input
109
ATSK
I/O
Anti-shock input/output (Not used)
110
WFCK
O
WFCK output (Not used)
111
XUGF
O
XUGF output (Not used)
112
XPCK
O
XPCK output (Not used)
113
GFS
O
GFS output (Not used)
114
C2PO
O
C2PO output (Not used)
115
SCOR
O
High output when the subcode sync, S0 or S1, is detected
116
VDD
—
Internal digital power supply
117
C4M
O
4 2336MHz output (Not used)
118
WDCK
O
Word clock output f = 2Fs (Not used)
119
COUT
I/O
Track number count signal input/output (Not used)
120
NC
—
Not used
55
HCD-GN880
• IC901 MB90M407PF-G-139-BNDE1 DISPLAY CONTROL (PANEL Board)
Pin No.
Pin Name
I/O
Description
1 to 5
G5 to G1
O
FLD grid output
6 to 10
P1 to P5
O
FLD segment output
11
VSS-IO
—
Ground
12 to 22
P6 to P16
O
FLD segment output
23
VDD-FIP
—
Power supply (+3.3V)
24 to 41
P17 to P34
O
FLD segment output
42
VSS-IO
—
Ground
43 to 47
P35 to P39
O
FLD segment output
48
VKK
—
Power supply (-35V)
49
MD0
I
Not used (pull up with resistor)
50
MD1/VDD-VFT
I
Not used (pull up with resistor)
51
MD2
I
Not used (pull down with resistor)
52
VOLUME11,MULTI CH LED
O
LED drive signal output
53
VOLUME7,8 LED
O
LED drive signal output
54
VOLUME9,10 LED
O
LED drive signal output
55
VOLUME5,6 LED
O
LED drive signal output
56
VOLUME3,4 LED
O
LED drive signal output
57
VOLUME1,2 LED
O
LED drive signal output
58
CD/DVD,TUNER LED
O
LED drive signal output
59
TAPE A/B,MD/VIDEO LED
O
LED drive signal output
60
IIC-DATA
O
IIC serial data output
61
IIC-CLOCK
O
IIC clock signal output
62
AVCC
—
Power supply (+3.3V)
63
AVSS
—
Ground
64 to 66
KEY0 to KEY2
I
Key input (A/D)
67
ALL BAND
I
L+R signal input
68
SUPER LOW FREQUENCY (BPF 0)
I
Spectrum analyzer BPF signal input
69 to 71
BPF3 to BPF1
I
Spectrum analyzer BPF signal input
72
SELECTOR
O
LED group select signal output
73
GAME IN, REC/PAUSE LED
O
LED drive signal output
74, 75
JOG B, JOG A
I
JOG dial encoder signal B/A input
76
AMS
I
AMS dial signal input
77
RESET
I
Reset input
78
SOFT TEST
O
Not used (open)
79
VOL 1B
I
Volume encoder signal B input
80
VOL 1A
I
Volume encoder signal A input
81
VSS-CPU
—
Ground
82
XOUT
O
Crystal oscillator output (4MHz)
83
XIN
I
Crystal oscillator input (4MHz)
84
VCC-CPU
—
Power supply (+3.3V)
85 to 100
G21 to G6
O
FLD grid output
56
HCD-GN880
Pin No.
Pin Name
I/O
Description
1
XRST
O
CD reset signal output
2
CD-DATA
O
CD data output
3
XLAT
O
CD latch signal output
4
SIRCS
I
SIRCS input
5
MP3 DATA OUT
O
Serial data output
6
MP3 DATA IN
I
Serial data input
7
MP3 CLK
O
Serial clock output
8
BYTE
I
Not used (connected to ground)
9
CNVSS
—
Not used (Connected to ground with resistor)
10
XC-IN
I
Sub clock input (32.768KHz)
11
XC-OUT
O
Sub clock output (32.768KHz)
12
RESET
I
System reset input
13
X-OUT
O
Main system clock output (16MHz)
14
VSS
—
Ground
15
X-IN
I
Main system clock input (16MHz)
16
VCC
—
Power supply (+5V)
17
NMI
I
Not used (Pull up with resistor)
18
CD-CLK
O
CD data clock output
19
SCOR
I
Subcode sync (S0+S1) detection signal input
20
AC-CUT
I
AC cut check signal input
21
SENS
I
SENS signal input from CXD3059AR
22
MP3 RST
O
MP3 reset signal output
23
MP3 CS
O
MP3 chip select signal output
24
MP3 LP
O
MP3 latch pules output
25
MP3 ACK
I
MP3 acknowledge signal input
26
MP3 REQ
I
Interrupt request signal input
27
FAN CTL
O
FAN moter control signal output
28
VIDEO OUT
O
Not used
29
IIC-CLK
I
IIC serial data clock input
30
IIC-DATA
I
IIC serial data input
31
SW-MUTE
O
Subwoofer mute signal output
32
REC MUTE
O
REC mute signal output
33
HP DETECT
I
Headphone detect input
34
LINE-MUTE
O
TA LINE mute signal output
35
MATRIX-SURR-1-LED
O
Subwoofer LED drive signal output
36
SW-LINE-LED
O
Subwoofer LED drive signal output
37
MATRIX-SURR-2-LED
O
Subwoofer LED drive signal output
38
SW-ON-LED/VIDEO MUTE
O
Subwoofer LED drive signal output
39
AMS MUTE
O
AMS mute signal output
40
CD/DVD-POWER
O
CD power on/off signal output
41
CD/DVD-MUTE
O
CD mute signal output
42
OPEN SW
I
Lever switch signal input
43
TBL-SENS
I
Table sensor signal input
44
E-3
I
Disc tray status detection signal input
45
E-2
I
Disc tray status detection signal input
46
E-1
I
Disc tray status detection signal input
47
TM-F
O
Table motor control signal output
48
TM-R
O
Table motor control signal output
49
LMF
O
Loading motor control signal output
50
LMR
O
Loading motor control signal output
• IC401 M3062CMEN-A03FPUO SYSTEM CONTOL (MAIN Board)
Click on the first or last page to see other HCD-GN880 / MHC-GN880 service manuals if exist.