Sanyo CLT-99, Service Manual

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IC001 UPD750008GB-F38-3BS (MICRO PROCESSOR) PIN NAME FUNCTION (QFP44)
IN/OUT P50 P51 P52 P53
P60 1 4 7 ✱
P61 2 5 8 0
P62 3 6 9 #
P63 FLASH RINGER VOL CH R/P
P11 INT MEMO TALK END
NO. PORT NAME NO. PORT I/O
1 P72/KR6 RING SW RINGER SWITCH H I(I/O)
2 P71/KR5 TEST TEST MODE SWITCH L I(I/O)
3 P70/KR4 SUB OSC SW SUB CLOCK SW H I(I/O)
4 P63/KR3 KEY IN KEY MATRIX INPUT I(I/O)
5 P62/KR2 KEY IN KEY MATRIX INPUT I(I/O)
6 P61/KR1 KEY IN KEY MATRIX INPUT I(I/O)
7 P60/KR0 KEY IN KEY MATRIX INPUT I(I/O)
8 P53 KEY OUT KEY MATRIX STROBE OUT O(O)
9 P52 KEY OUT KEY MATRIX STROBE OUT O(O)
10 P51 KEY OUT KEY MATRIX STROBE OUT O(O)
11 P50 KEY OUT KEY MATRIX STROBE OUT O(O)
12 NC
13 P43 TALK LED TALK LED CONTROL L O(I/O)
14 P42 NOT USED
15 P41 BUZ CONT BEEP SIGNAL CONTROL O(I/O)
16 P40 DIAL LED DIAL LED CONTROL L O(I/O)
17 VSS POWER SUPPLY (GND)
18 XT1 SUB CLK SUB CLOCK IN (32.768KHz)
19 XT2 SUB CLK SUB CLOCK OUT (32.768KHz)
20 RESET SYSTEM RESET INPUT
21 X1 MAIN CLK SYSTEM CLOCK IN (4.093MHz)
22 X2 MAIN CLK SYSTEM CLOCK OUT (4.093MHz)
23 P33 BATT LOW LED BATTERY LOW LED CONTROL L O(I/O)
24 P32 CD AUTO SCAN SIGNAL LEVEL DETECT L I(I/O)
25 P31 Rx POWER Rx POWER CONTROL L O(I/O)
26 P30 Tx DATA TRANSMIT DATA OUTPUT (3-ST) O(I/O)
27 P81 Tx POWER Tx POWER CONTROL L O(I/O)
28 P80 PLL CE MC13109 AFTA DATA SET O(I/O)
29 P03 VDD POWER SOURCE (+B) O(I/O)
30 P02/SO PLL DA MC13109 AFTA FB DATA O(I/O)
31 P01/SCK PLL CK MC13109 AFTA DATA CLOCK O(I/O)
32 P00/INT4 CHARGE CHARGE DETECT H I(I)
33 P13/T10 5CH/ 10CH SW 5CH/ 10CH SWITCH (H = 5CH) O(I/O)
34 NC
35 P12/INT2 GND GROUND
36 P11/INT1 KEY IN KEY MATRIX INPUT I(I)
37 P10/INT0 Rx DATA Rx DATA INPUT I(I/O)
38 VDD POWER SUPPLY @ (VDD)
39 VDD POWER SUPPLY @ (VDD)
40 P23/BUZ NOT USED
41 P22 NOT USED
42 P21 BUZZER LEVEL CONTROL BUZZER LEVEL CONTROL L O(I/O)
43 P20 BUZZER BUZZER SIGNAL OUTPUT O(I/O)
44 P73/KR7 BATT LOW BATTERY LOW DETECT L O(I/O)
KEY MATRIX
IC BLOCK DIAGRAM IC BLOCK DIAGRAM
IC301 MC13109FB Internal I/O Block Diagram
IC701 MC14066BF (ANALOG SWITCH)
1 2 3 4 5 6 7
14
13
12
11 10 9 8
GND
VDD
CLT-99/SS (S/M) 6 12/1/00, 3:18 PM 17