Sony HCD-RG88 Service Manual page 54

HCD-RG88
• PANEL BOARD IC601 MB90M407PF-G-119-BND (FLUORESCENT INDICATOR TUBE DRIVER, KEY CONTROL)
Pin No. Pin Name
1 to 10 P1 to P10
11 VSS-IO
12 to 22 P11 to P21
23 VDD-FIP
24 to 41 P22 to P39
42 VSS-IO
43, 44 P40, P41
45 to 47 NO-USE
48 VKK
49 to 51 MD0 to MD2
52 LED-TAPE
53 LED-TUNER
54
LED-MD-VIDEO
55 LED-CD
56 LED-GAME
57 LED-DISC1
58 LED-DISC2
59 LED-DISC3
60 I2C-DATA
61 I2C-CLOCK
62 AVCC
63 AVSS
64 to 66 KEY0 to KEY2
67 to 72 BPF0 to BPF5
73
ALL-BAND
74 LED-REC
75, 76 NO-USE
77 RESET
78 SOFT-TEST
79 VOLUME-B
80 VOLUME-A
81 VSS-CPU
82 X0
83 X1
84 VCC-CPU
85 NO-USE
86 to 100 1G to 15G
54
I/O
O
Segment drive signal output to the fluorescent indicator tube
—
Ground terminal (for I/O port)
O Segment drive signal output to the fluorescent indicator tube
—
Power supply terminal (+3.3V) (for fluorescent indicator tube)
O
Segment drive signal output to the fluorescent indicator tube
—
Ground terminal (for I/O port)
O Segment drive signal output to the fluorescent indicator tube
—
Not used
—
Power supply terminal (–33V) (for fluorescent indicator tube)
I
Setting terminal for the CPU operational mode
O LED drive signal output of the TAPE A/B indicator " H " : LED on
O
LED drive signal output of the TUNER/BAND indicator " H " : LED on
O
LED drive signal output of the MD (VIDEO) indicator " H " : LED on
O
LED drive signal output of the CD indicator " H " : LED on
O LED drive signal output of the GAME indicator " H " : LED on
O
LED drive signal output of the DISC1 indicator " H " : LED on
O
LED drive signal output of the DISC2 indicator " H " : LED on
O
LED drive signal output of the DISC3 indicator " H " : LED on
I/O Communication data bus with the system controller
Communication data reading clock signal input or transfer clock signal output with the system
I/O
controller
—
Power supply terminal (+3.3V) (for A/D conversion)
—
Ground terminal (for A/D conversion)
I
Key input terminal (A/D input)
I Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter
O
LED drive signal output of the REC PAUSE/START indicator " H " : LED on
—
Not used
I System reset signal input from the system controller " L " : reset
O
Output terminal for the software test
I
Jog dial pulse input from the rotary encoder (B phase input)
I
Jog dial pulse input from the rotary encoder (A phase input)
—
Ground terminal (for CPU)
O
System clock output terminal (4 MHz)
I
System clock input terminal (4 MHz)
—
Power supply terminal (+3.3V) (for CPU)
—
Not used
O
Grid drive signal output to the fluorescent indicator tube
Description