Sony HCD-F150 Service Manual page 57

QQ
3 7 63 1515 0
MAIN BOARD IC601 TMP87CM74AF-6660
Pin No. Pin Name
1 to 6 LED3 to LED8
7
8
9
10
11,12 LED9,LED10
13
14 to 18 LED11 to LED15
19,20 VOLA,VOLB
21,22 JOGA,JOGB
23
24
25 LED SELECT
26 to 29 KEY0 to KEY3
30
31
32
33
34 to 37 SPEANA0 to SPEANA3
38
39
40
41 to 53 GRID1 to GRID13
TE
L 13942296513 54 to 77 SEG1 to SEG24
78
79,80 LED1,LED2
www
.
http://www.xiaoyu163.com
I/O
O LED driver output
VSS — Ground
XOUT O X'tal(5MHz)
XIN I X'tal(5MHz)
RESET I Reset signal input
O LED driver output
TEST — Not used
O LED driver output
I Rotaly encoder pulse input for Volume
I Rotaly encoder pulse input for Jog
SCL(IIC) I Serial data clock input
SDA(IIC) I Serial data input
O LED select signal output
I Key input
MODEL I Model No. input
LED16 O LED driver output
L+R I Spectrum analyzer(high frequency)input
SIRCS I Remote commander signal input
I Spectrum analyzer signal input
AVSS — Ground
VAREF — Analog reference voltage input
VDD — Power supply(+5V)
O Fluorescent disply tube gride signal output
O Fluorescent disply tube segment signal output
VKK — —
O LED driver output
x ao
y
i
http://www.xiaoyu163.com
8
Q Q
3 6 7 1 3
u163
.
— 79 —
2 9 9 4 2 8
Function
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9