Yamaha DSP-AX763, Service Manual

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RX-V663/HTR-6160/DSP-AX763
RX-V663/HTR-6160/
DSP-AX763
Key detection for AD port
Key input (A/D) pull-up resistance 10 k-ohms
RX-V663 (U, C, R, T, K, A, G, E, F, L models), HTR-6160 (U, F models)
Ohm
V
ADKEY0
(133 pin)
ADKEY1
(134 pin)
0
0-0.23
SYSTEM
OFF
Zone2
ON/OFF
+1.0 k
0.24-0.64
SCENE1
SCENE3
+1.0 k
0.65-1.06
SCENE2
SCENE4
+1.5 k
1.07 - 1.55
–
ZONE
CONTROL
+2.2 k
1.56-2.09
–
AUDIO
SELECT
+3.3 k
2.10-2.62
STRAIGHT
FM/AM
+4.7 k
2.63-3.06
TONE
CONTROL
A/B/C/D/E
+4.7 k
3.07-3.40
SEARCH
MODE / EDIT
PRESET <
+6.8 k
3.41-3.73
–
PRESET >
+10.0 k
3.74-4.07
SPEAKERS
MEMORY
+22.0 k
4.08-4.45
PURE
DIRECT
INFO
HTR-6160 (C model), DSP-AX763 (J model)
Ohm
V
ADKEY0
(133 pin)
ADKEY1
(134 pin)
0
0-0.23
–
MUTE
+1.0 k
0.24-0.64
SCENE1
SCENE3
+1.0 k
0.65-1.06
SCENE2
SCENE4
+1.5 k
1.07-1.55
–
SLEEP
+2.2 k
1.56-2.09
–
AUDIO
SELECT
+3.3 k
2.10-2.62
STRAIGHT
FM/AM
+4.7 k
2.63-3.06
TONE
CONTROL
A/B/C/D/E
+4.7 k
3.07-3.40
SEARCH
MODE /EDIT
PRESET <
+6.8 k
3.41-3.73
–
PRESET >
+10.0 k
3.74-4.07
SPEAKERS
MEMORY
+22.0 k
4.08-4.45
PURE
DIRECT
INFO
DSP-AX763 (B model)
Ohm
V
ADKEY0
(133 pin)
ADKEY1
(134 pin)
0
0-0.23
–
–
+1.0 k
0.24-0.64
SCENE1
SCENE3
+1.0 k
0.65-1.06
SCENE2
SCENE4
+1.5 k
1.07-1.55
–
–
+2.2 k
1.56-2.09
–
AUDIO
SELECT
+3.3 k
2.10-2.62
STRAIGHT
–
+4.7 k
2.63-3.06
TONE
CONTROL
–
+4.7 k
3.07-3.40
–
–
+6.8 k
3.41-3.73
–
–
+10.0 k
3.74-4.07
SPEAKERS
–
+22.0 k
4.08-4.45
PURE
DIRECT
–
Destination detection for AD port
Pull-up resistance 10 k-ohms
Ohm
V
A/D (5 V=255)
DEST, 139pin
0.0 k
0-0.3
0-13
J
1.2 k
0.4-0.7
14-40
U, C
2.7 k
0.8-1.3
41-68
–
4.7 k
1.4-1.8
69-92
R
6.8 k
1.9-2.2
93-115
T
10.0 k
2.3-2.7
116-140
K
15.0 k
2.8-3.2
141-170
A
27.0 k
3.3-3.8
171-198
B
47.0 k
3.9-4.3
199-221
G, E, F
100.0 k
4.4-4.7
222-243
L
–
4.8-5.0
245-255
–
Model detection
1: Pull-up / 0: Pull-down
Model
/CEFD/MOD0 (122 pin)
RX-V663/DSP-AX763
0
HTR-6160
1