Sony WRR-862A Service Manual page 68

CPU Pin Description : IC1301, IC1401
UPD753036GK
—TOP VIEW—
61
GND
GND
66 V DD ( +5 V )
69
NC
NC
NC
NC
NC
80
PIN SIGNAL I/O
1 to 20 S31 to S12 OUT
21 to 24 COM0 to COM3 OUT
25 BIAS OUT
26 to 28 VLC0 to VLC2 IN
29 LEDRFaR OUT
30 LEDRFaG OUT
31 LEDRFbR OUT
32 LEDRFbG OUT
33 VSS IN
34 LEDTXBATT OUT
35 BL OUT
36 PSM OUT
37 MUTEM OUT
38 RXD IN
39 SCK IN/OUT Master/Slave interface Clock
40 SO OUT
41 SI IN
42 DISP IN
43 + IN
_
44 IN
45 SET IN
46 CLK OUT
47 DATA OUT
48 LE OUT
49 PS OUT
50 LD IN
51 PLL-POWER OUT
5-6
40
GND
NC
NC
GND 33
21
DESCRIPTION
LCD segments control
LCD commons control
Power supply for LCD drive
Power supply for LCD drive
RF LED (red) antenna a
RF LED (green) antenna a
RF LED (red) antenna b
RF LED (green) antenna b
Ground
TX BATT LED
Back light
Monitor Power Save
Monitor Muting
Received Data
Master/Slave interface Data
Out
Master/Slave interface Data
In
DISP switch
+ switch
_ switch
SET switch
EEPROM/PLL Clock
PLL Data
PLL Load Enable
PLL Power Save
PLL Lock Detect
PLL Power
PIN SIGNAL I/O
52 DI/DO IN/OUT EEPROM Data In/Out
53 POFFIN IN
54 TEST IN
55 LEARN IN
56 MUTE IN
57 CONT IN
58 VCCDIST1 IN
59 VCCDIST2 IN
60 _ IN
61 ALO IN
62 RSSIa IN
63 RSSIb IN
64 AVSS IN
65 AVREF IN
66 VDD IN
67,68 XT1,XT2 IN
69 VPP IN
70,71 X1,X2 IN
72 RESET IN
73 NOISE IN
74 TXBATT IN
75 TONE IN
76 M/S IN
77 DIV OUT
78 AFM OUT
79 TXD OUT
80 WP OUT
DESCRIPTION
Power OFF Detect
TEST mode
LEARN mode
Squelch switch
Control switch
Battery voltage
External DC voltage
NC
AF Level
RSSI antenna A
RSSI antenna B
Ground
A/D converter Reference
Voltage
Vdd
NC
Vpp
4MHz clock
RESET
Noise detect
Trasnmitter battery status
detect
Tone detect
Master/Slave select
Diversity control
AF mute
Transmitted Data
EEPROM Write Protect
WRR-862A/862B