Service manual

RX-E100
RX-E100
13
● KEY INPUT (A-D) PULL UP RESISTOR 10kΩ
Ω
V
KEY 0
(98pin)
KEY 1
(96pin)
KEY 2
(95pin)
0
0 — 0.556
POWER
PRESET/BAND
DISPLAY
+2k
— 1.111
PRESET/TUNING
B
AUTO/MAN'L
TIMER
MEMORY
TIME ADJ
+10k
— 3.889
NO KEY
NO KEY
NO KEY
+2.4k
— 2.222
NO KEY
NO KEY
NO KEY
+3.9k
— 2.778
NO KEY
NO KEY
NO KEY
+5.6k
— 3.333
NO KEY
NO KEY
NO KEY
+1.8k
— 1.667
PRESET/TUNING
N
NO KEY
NO KEY
+24k
— 4.444
NO KEY
NO KEY
NO KEY
● TUNER MARKET SELECT IN (94 pin, A-D) PULL UP RESISTOR 10kΩ
Ω
V
Market
0
0 — 0.556
R model
(50k / 9k)
2k
— 1.111
R model
(100k / 10k)
6.2k
— 2.222
B, G models
10k
— 2.778
U, C models
16k
— 3.333
J model
3.9k
— 1.667
A model
IC501 : M30217M8-A100FP (16 bit µ-COM)
No. PORT Name IN/OUT Function
78 P52 SEG 25 OUT SEGMENT 25 (P25) (VEE internal pull-down)
79 P51 SEG 26 OUT SEGMENT 26 (P26) (VEE internal pull-down)
80 P50 SEG 27 OUT SEGMENT 27 (P27) (VEE internal pull-down)
81 P67 SEG 28 OUT SEGMENT 28 (P28) (VEE internal pull-down)
82 P66 SEG 29 OUT SEGMENT 29 (P29) (VEE internal pull-down)
83 P65 SEG 30 OUT SEGMENT 30 (P30) (VEE internal pull-down)
84 P64 SEG 31 OUT SEGMENT 31 (P31) (VEE internal pull-down)
85 P63 SEG 32 OUT SEGMENT 32 (P32) (VEE internal pull-down)
86 P62 SEG 33 OUT SEGMENT 32 (P33) (VEE internal pull-down)
87 P61 SEG 34 OUT SEGMENT 34 (P34) (VEE internal pull-down)
88 P60 SEG 35 OUT SEGMENT 35 (P35) (VEE internal pull-down)
89 VEE – VP - P0,P1,P5,P6 pull-down resistor voltage input [-29V]
90 P107 Audio A-D IN Power amplifier sound IN [0 — VREF]
91 P106 TH A-D IN Heat sinking plate temperature detect IN [0 — VREF]
92 P105 Pro PS A-D IN Power voltage detect IN (protection) [0 — VREF]
93 P104 Fan fe A-D IN Air cooling fan voltage detect IN [0 — VREF]
94 P103 Des A-D IN Destination select input (TUNER) [Pull-up at 10kΩ ^ VREF]
95 P102 KEY 2 A-D IN KEY 2 input [Pull-up at 10kΩ ^ VREF]
96 P101 KEY 1 A-D IN KEY 1 input [Pull-up at 10kΩ ^ VREF]
97 AVSS AVss - Connected to VSS(GND)
98 P100 KEY 0 A-D IN KEY 0 input [Pull-up at 10kΩ ^ VREF]
99 VREF Vref - A-D,D-A reference voltage input [— VCC]
100 AVCC AVcc - Connected to VCC terminal (+5V)
http://www.xiaoyu163.com
http://www.xiaoyu163.com