Sony HCD-DX8 Service Manual page 41

• IC601 DISPLAY CONTROLLER (TMP88CP77F-1A22) (PANEL BOARD)
Pin No. Pin Name
1 VOL A
2 VOL B
3 HEADPHONE
4 N.C
5 EXIST3 LED
6 PLAY3 LED
7 EXIST2 LED
8 PLAY2 LED
9 EXIST1 LED
10 PLAY1 LED
11 GROOVE LED
12 FILE SEL LED
13 BASS SHIFT LED
14 FUNCTIONS LED
15 REC/PAUSE
16 SURROUND
17-19 KEY0-2
20 Super Low Freq (BPF 0)
21-25 BPF1-5
26 ALL BAND
27 TIMER LED
28 POWER
29 VSS
30 AVSS
31 AVREF
32 VDD
33-49 G17-1
50 P1
51 VDD VFT
52-85 P2-35
86 N.C
87 VKK
88 VDD
89 Xin
90 VSS
91 Xout
92 RESET
93-94 N.C
95 TEST
96 WAKE UP
97 I2C data
98 I2C clk
99 N.C
100 SIRCS
I/O
I VOLUME A signal input.
I VOLUME B signal input.
I Headphone detect signal input. H=ON, L=OFF
I Not used.
O EXIST LED of disc3 drive signal output.
O PLAY LED of disc3 drive signal output.
O EXIST LED of disc2 drive signal output.
O PLAY LED of disc2 drive signal output.
O EXIST LED of disc1 drive signal output.
O PLAY LED of disc1 drive signal output.
O GROOVE LED drive signal output.(high active).
O Cursol LED drive signal output.
O V-GROOVE LED drive signal output.
O Functions LED drive signal output.
O REC/PAUSE LED drive signal output.(high active)
O SURROUND LED drive signal output.(high active)
I KEY input. (AD)
I BPF input. (AD)
I BPF input. (AD)
I BPF input. (AD)
O TIMER LED driver output.
?/1 LED output.
O
— Ground.
— Ground.
— Analog reference voltage.
— Power supply (+5V)
O FL gride signal output.
O FL segment signal output.
— Power supply (+5V)
O FL segment signal output.
I Not used.
— –30V driving power for FL.
— Power supply (+5V)
I 12.5MHz (Xin)
— Ground.
O 12.5MHz (Xout)
I RESET (low active)
I Not used.
I Connected to ground.
O WAKE UP signal output for master controller. (PULL UP)
O IIC SDA
O IIC SCL
I Not used.
I Remote commander input. (input capture)
Description
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