Sony HCD-XGV50, Service Manual

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HCD-XGV50
• IC601 MB90M407APF-G-128-BND DISPLAY CONTROL (PANEL FL Board)
Description Pin Name Pin No. I/O
1 to 10 GR-16 to GR-7 O FLD grid output
11 VSS-IO — Ground
12 to 17 GR-6 to GR-1 O FLD grid output
18 to 22 SEG-1 to SEG-5 O FLD segment output
23 VDD-FIP — Power supply (+3.3V)
24 to 41 SEG-6 to SEG-23 O FLD segment output
42 VSS-IO — Ground
43,44 SEG-24, SEG-25 O FLD segment output
45 to 47 NO USE O Not used (open)
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 D-SW I CD lid open/close detect signal input
53 NO USE O Not used (open)
54 SOFT TEST O Not used (open)
55 LED SELB O LED group B select signal output
56 VOL A I Volume encoder signal A input
57 VOL B I Volume encoder signal B input
58 NO USE I Not used (open)
59 NO USE I Not used (open)
60 I2C-DATA O IIC serial data output
61 I2C-CLOCK O IIC clock signal output
62 AVCC — Power supply (+3.3V)
63 AVSS — Ground
64 to 69 KEY0 to KEY5 I Key input (A/D port)
70 BPF1-F02 I Spectrum analyzer BPF signal input
71 BPF2-F03 I Spectrum analyzer BPF signal input
72 BPF3-F04 I Spectrum analyzer BPF signal input
73 BPF4-F05 I Spectrum analyzer BPF signal input
74 BPF5-F06 I Spectrum analyzer BPF signal input
75 ALL BAND I L+R signal input
76 LED-SCK O Serial clock output to LED driver
77 RESET I Reset input
78 LED-DAT O Serial data output to LED driver
79 LED-LATCH O Latch signal output to LED driver
80 LED-SELA O LED group A select signal output
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 NO USED O Not used (open)