Yamaha crx-e200 Service Manual page 14

RX-E100
QQ
3 7 63 1515 0
IC501 : M30217M8-A100FP (16 bit µ-COM)
No. PORT Name
78 P52 SEG 25
79 P51 SEG 26
80 P50 SEG 27
81 P67 SEG 28
82 P66 SEG 29
83 P65 SEG 30
84 P64 SEG 31
85 P63 SEG 32
86 P62 SEG 33
87 P61 SEG 34
88 P60 SEG 35
89 VEE – VP
90 P107 Audio
91 P106 TH
92 P105 Pro PS
93 P104 Fan fe
94 P103 Des
95 P102 KEY 2
96 P101 KEY 1
97 AVSS AVss
98 P100 KEY 0
99 VREF Vref
100 AVCC AVcc
TE
L 13942296513
KEY INPUT (A-D) PULL UP RESISTOR 10k
Ω
0
V 0 — 0.556
KEY 0 POWER
(98pin)
KEY 1
PRESET/BAND
(96pin)
KEY 2
DISPLAY
(95pin)
TUNER MARKET SELECT IN (94 pin, A-D) PULL UP RESISTOR 10k
Ω
0
V 0 — 0.556
R model
Market
(50k / 9k)
www
.
13
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IN/OUT
OUT SEGMENT 25 (P25)
OUT SEGMENT 26 (P26)
OUT SEGMENT 27 (P27)
OUT SEGMENT 28 (P28)
OUT SEGMENT 29 (P29)
OUT SEGMENT 30 (P30)
OUT SEGMENT 31 (P31)
OUT SEGMENT 32 (P32)
OUT SEGMENT 32 (P33)
OUT SEGMENT 34 (P34)
OUT SEGMENT 35 (P35)
- P0,P1,P5,P6 pull-down resistor voltage input
A-D IN Power amplifier sound IN
A-D IN Heat sinking plate temperature detect IN
A-D IN Power voltage detect IN (protection)
A-D IN Air cooling fan voltage detect IN
A-D IN Destination select input (TUNER)
A-D IN KEY 2 input
A-D IN KEY 1 input
- Connected to VSS(GND)
A-D IN KEY 0 input
- A-D,D-A reference voltage input
- Connected to VCC terminal (+5V)
Ω
+2k +1.8k
— 1.111 — 1.667
PRESET/TUNING PRESET/TUNING
B N
AUTO/MAN'L NO KEY
TIMER
MEMORY NO KEY
TIME ADJ
2k 3.9k
— 1.111 — 1.667
R model A model B, G models
(100k / 10k)
x ao
y
i
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8
Function
Q Q
3 6 7 1 3
+2.4k +3.9k
— 2.222 — 2.778 — 3.333
NO KEY NO KEY NO KEY
NO KEY NO KEY NO KEY
NO KEY NO KEY NO KEY
Ω
6.2k 10k
— 2.222 — 2.778 — 3.333
U, C models J model
u163
.
2 9 9 4 2 8
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
(VEE internal pull-down)
[-29V]
[0 — VREF]
[0 — VREF]
[0 — VREF]
[0 — VREF]
[Pull-up at 10kΩ ^ VREF]
[Pull-up at 10kΩ ^ VREF]
[Pull-up at 10kΩ ^ VREF]
[Pull-up at 10kΩ ^ VREF]
[— VCC]
1 5 0 5 8 2 9 9 4
+5.6k +10k +24k
— 3.889 — 4.444
NO KEY
NO KEY
NO KEY NO KEY
NO KEY NO KEY
16k
m
co
9 9
2 8 9 9