Sony HCD-MG110 Service Manual page 52

HCD-MG110/MG310AV
• DISPLAY BOARD IC701 MB90M407APF-G-104-BND (DISPLAY CONTROLLER)
Pin No. Pin Name
1 to 10 G4 to G13
11 VSS-IO
12 to 22 S34 to S24
23 VDD-FIP
24 to 41 S23 to S6
42 VSS-IO
43 to 47 S5 to S1
48 VKK
49 to 51 MD0 to MD2
52, 53 IC0, IC1
54 SI0
55 SC0
56 SO0
57 SI1
58 SC1
59 DOOR SW
60 SDA
61 SCL
62 AVCC
63 AVSS
64, 65 JOG A, JOG B
66, 67 VOL A, VOL B
68 to 70 PA4 to PA6
71 L+R
72 to 75 BPF4 to BPF1
76 KEY3
77 XRST
78 KEY2
79 KEY1
80 KEY0
81 CPU VSS
82 X0
83 X1
84 VCC-CPU
85 COM
86 LED0
87 LED1
88 LED2
89 LED3
90 LED4
91 LED5
52
I/O
O Grid drive signal output to the fluorescent indicator tube (FL701)
—
Ground terminal
O
Segment drive signal output to the fluorescent indicator tube (FL701)
—
Power supply terminal (+3.3V)
O Segment drive signal output to the fluorescent indicator tube (FL701)
—
Ground terminal
O
Segment drive signal output to the fluorescent indicator tube (FL701)
—
Power supply terminal (–33V) (for fluorescent indicator tube drive)
— Not used (fixed at "H")
—
Not used (open)
—
Not used (open)
—
Not used (open)
— Not used (open)
—
Not used (open)
—
Not used (open)
I
CD lid open/close detest switch (S791) input terminal
Communication data reading clock signal input or transfer clock signal output with the system
I/O
controller (IC801)
I/O
Communication data bus with the system controller (IC801)
—
Power supply terminal (+3.3V) (for A/D converter)
—
Ground terminal (for A/D conversion)
I Jog dial pulse input from the rotary encoder (RV702 DISC ACCESS)
I
Jog dial pulse input from the rotary encoder (RV701 VOLUME)
—
Not used (open)
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC703)
I Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC704)
Key input terminal (A/D input) (S771 to 777) PLAY MODE, REPEAT STEREO/MONO, CD
I
SYNCRO, z REC, CLEAR, DIRECTION, MENU keys input
I
Reset signal input from the system controller (IC801)
Key input terminal (A/D input) (S760 to 767) TIMER SELECT, TIMER SET, m, M,
I
TUNER/BAND, CD, TAPE A/B, 5.1CH/VIDEO (MD) keys input
Key input terminal (A/D input) (S750 to 757) SURROUND MODE, PRESET EQ, ENTER, –
I
., > +, X PAUSE, x, n N keys input
Key input terminal (A/D input) (S741 to 745) LINK, REAR, FRONT, PRO LOGIC,
I
SURROUND keys input
— Ground terminal
I
System clock input terminal (4 MHz)
O
System clock output terminal (4 MHz)
— Power supply terminal (+3.3V)
— Not used (open)
O
LED drive signal output terminal (I/1)
O
LED drive signal output terminal (PRESET EQ)
O
LED drive signal output terminal Not used (open)
O LED drive signal output terminal (SURROUND) (MG310AV only)
O
LED drive signal output terminal (PRO LOGIC) (MG310AV only)
O
LED drive signal output terminal (FRONT) (MG310AV only)
Description
"L": CD lid is close