Sony HCD-GNX88 Service Manual page 59

• IC902 MB90M407PF-G-144-BNDE1 DISPLAY CONTROL (PANEL Board)
Pin No. Pin Name
1 to 8 G8 to G1
9, 10 P1,P2
11 VSS-IO
12 to 22 P3 to P13
23 VDD-FIP
24 to 41 P14 to P31
42 VSS-IO
43 to 47 P32 to P36
48 VKK
49 MD0
50 MD1/VDD-VFT
51 MD2
52 LED CD/DVD
53 LED TUNER
54 LED TAPE
55 LED VIDEO
56 LED STOP,PAUSE
57 LED VOLUME 2,3
58 LED VOLUME 3,4
59 LED VOLUME 6,1
60 IIC DATA
61 IIC CLK
62 AVCC
63 AVSS
64 to 66 KEY0 to KEY2
67 ALL BAND
68 to 71 BPF4 to BPF1
72 LED AUX/GAME
73 JOG X-ROUND
74 VOLUME
75 JOG
76 AMS
77 RESET
78 LED AMS+/-,FF/FW
79 LED PLAY
80 SELECTOR
81 VSS-CPU
82 XOUT
83 XIN
84 VCC-CPU
85 to 100 G24 to G9
I/O
O FLD grid signal output
O FLD segment signal output
— Ground
O FLD segment signal output
— Power supply (+3.3V)
O FLD segment signal output
— Ground
O FLD segment signal output
— Power supply (-35V)
I MD0 signal at test
I Not used (pull down)
I Not used (pull down)
O LED drive signal output
O LED drive signal output
O LED drive signal output
O LED drive signal output
O LED drive signal output
O LED drive signal output
O LED drive signal output
O LED drive signal output
I/O IIC bus serial data input/output
I/O IIC bus serial clock input/output
— Power supply (+3.3V)
— Ground
I Key input (A/D)
I Audio L+R signal input
I Spectrum analyzer signal input
O LED drive signal output
O LED drive signal output (Not used)
I Volume encoder signal input
I JOG dial encoder signal input
I AMS dial signal input
I Reset input
O LED drive signal output
O LED drive signal output
O LED group select signal output
— Ground
O Crystal oscillator output (4MHz)
I Crystal oscillator input (4MHz)
— Power supply (+3.3V)
O FLD grid signal output
Description
HCD-GNX88
59