Sony HCD-GN88D Service Manual page 78

HCD-GN88D
• IC601 MB90M407PF-G-130-BND (DISPLAY CONTROL) (DISPLAY Board)
Pin No. Pin Name
1 to 7 G7 to G1
8 to 10 P1 to P3
11 VSS-IO
12 to 22 P4 to P14
23 VDD-FIP
24 to 41 P15 to P32
42 VSS-IO
43 to 46 P33 to P36
47 NO USED
48 VKK
49 MD0
50 MD1/VDD-VFT
51 MD2
52 VOLUME 5,6 LED
53 VOLUME 7,8 LED
54 VOLUME 9,10 LED
VOLUME 11,MULT1
55
CH LED
56 VOLUME 3,4 LED
57 VOLUME 1,2 LED
58 TAPE A/B, TUNER LED
59 GAME, MD/VIDEO LED
60 I2C-DATA
61 I2C-CLOCK
62 AVCC
63 AVSS
64 to 66 KEY0 to KEY2
67 BPF3
68 BPF2
69 BPF1
SUPER LOW FQUENCY
70
(BPF0)
71 ALL BAND
72 SELECTOR
CD/DVD, REC/PAUSE
73
LED
74 to 76 NO USE
77 RESET
78 SOFT TEST
79 VOL 1B
80 VOL 1A
81 VSS-CPU
82 XOUT
83 XIN
84 VCC-CPU
85 to 86 NO USED
87 to 100 G21 to G8
78
I/O
O FLD grid output
O FLD segment output
— Ground
O FLD segment output
— Power supply (+3.3V)
O FLD segment output
— Ground
O FLD segment output
O Not used (connected to ground)
— Power supply (-35V)
I Not used (pull up with resistor)
I Not used (pull up with resistor)
I Not used (pull down with resistor)
O Volume level indicatior LED drive signal output
O Volume level indicatior LED drive signal output
O Volume level indicatior LED drive signal output
I Volume level indicatior LED drive signal output
I Volume level indicatior LED drive signal output
O Volume level indicatior LED drive signal output
O TAPE A/B indicatier LED drive signal output
O GAME, MD/VIDEO indicator LED drive signal output
O IIC serial data output
O IIC clock signal output
— Power supply (+3.3V)
— Ground
I Key input (A/D port)
I Spectrum analyzer BPF signal input
I Spectrum analyzer BPF signal input
I Spectrum analyzer BPF signal input
I Spectrum analyzer BPF signal input
I L+R signal input
O LED group A/B select signal output
O CD/DVD, REC/PAUSE indicator LED drive signal output
O Not used (connected to ground)
I Reset input
O Not used (open)
I Volume encoder signal B input
I Volume encoder signal A input
— Ground
O Crystal oscillator output (4MHz)
I Crystal oscillator input (4MHz)
— Power supply (+3.3V)
O Not used (open)
O FLD grid output
Description