Kenwood CD-223M Service Manual page 8

CD-223M/224M/DPF-J3010/J5010
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2. FL Microprocessor : CD-223M/224M/2260M/2280M/DPF-J3010/J5010/J7010/J9010 (X32, IC14)
Pin description
Pin Name
Pin No. 223M/J3010 CD-2260M/2280M/J7010/J9010
224M/J5010 IC14
1 VDD
2, 3 NC
4 STANDBY
5 LED-A LED-M
6 LED-B LED-S
7 POW-P
8, 9 NC
10 RESET
11, 12 X1, 2
13 VSS
14 XT2
15 XT1
16 VDD
17 SCK
18 SO
19 SI
20-24 NC
25 AVSS
26~30 A/D7~A/D3
31~33 A/D2~A/D0
TE
L 13942296513
34 AVDD
35 AVREF
36, 37 VSS
38 REM
39 STB1
40 VSS
41~45 NC
46 VDD
47 NC
48~52 P1~5
53~57 P6~10
58~62 P11~15
63, 64 P16, 17
65~69 P35~31
70~74 P30~26
75~78 P25~22
79 VLOAD
80 P21
81, 82 P20, 19
83 NC
84 P18
85~92 9G~16G
93~100 8G~1G
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CIRCUIT DESCRIPTION
I/O 223M/224M/
IC15 J3010/J5010
– Power supply (+5V)
– No connection.
LED-D O Standby LED control
O
No connection.
O
STANDBY I/O
– No connection.
I System reset input
– Main system clock. (5MHz).
– GND.
– No connection.
I GND.
– Power supply (+5V)
I Serial clock.
O Data output.
I Data input.
– No connection.
– GND.
– GND.
I Key return signal input (2~0).
– A/D analog power supply.
– A/D reference power supply.
– GND.
I Remote control input.
STB2 I Strobe signal input.
– GND.
– No connection.
– Power supply (+5V)
– No connection.
O FL control output. 1G (38), 2G~16G (1- 1 to 5- 1).
O FL control output. 2G~16G (1- 2 to 5- 2).
O FL control output. 2G~16G (1- 3 to 5- 3).
O FL control output. 2G~16G (1- 4 to 2- 4).
O FL control output. 2G~16G (5- 7 to 1- 7).
O FL control output. 2G~16G (5- 6 to 1- 6).
O FL control output. 2G~16G (5-5 to 2-5).
– Negative power supply (-37.5V).
O FL control output. 2G~16G (1-5).
O FL control output. 2G~16G (5-4 , 4-4).
– No connection.
O FL control output. 2G~16G (3-4).
O FL control output. 9G~16G.
O FL control output. 8G~1G.
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8
Description
2260M/2280M/J7010/J9010
IC14
Main LED control
Sub LED control
Timer sw on input.
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
IC15
No connection.
Ground
0 5 8 2 9 9 4 2 8
m
9 9
9 9