Service manual

83
RX-V665/HTR-6260
RX-V665/HTR-6260
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
Destination detection for A/D port
Destination input (A/D) pull-up resistance 10 k-ohms
Model detection for A/D port
Model input (A/D) pull-up resistance 10 k-ohms
Ohm 0 + 1.0k + 1.0k + 1.5k + 1.8k + 2.2k + 3.3k + 4.7k + 6.8k + 10.0k + 22.0k + 68.0k
V 0 – 0.15 0.15 – 0.42 0.43 – 0.70 0.71 – 0.99 1.0 – 1.27 1.28 – 1.56 1.57 – 1.86 1.86 – 2.14 2.14 – 2.4 2.4 – 2.65 2.66 – 2.91 2.92 – 3.17
A/D value
(3.3 V=255)
0 – 11 12 – 32 33 – 54 55 – 77 78 – 98 99 – 120 121 – 143 144 – 165 166 – 185 186 – 205 206 – 225 226 – 245
KEY2 (134 pin)
PURE
DIRECT
STRAIGHT INFO MEMORY
PRESET
<
PRESET
>
CATEGORY <
FM
CATEGORY >
AM
TUNING CH
<
TUNING CH
>
INPUT
<
INPUT
>
Ohm
(R3809 VIDEO P.C.B.)
1.2k 2.7k 4.7k 15.0k 47.0k 100.0k
V 0.2 – 0.6 0.6 – 0.9 0.9 – 1.2 1.8 – 2.3 2.4 – 2.9 2.9 – 3.2
A/D value (3.3 V=255) 15 – 46 46 – 69 69 – 92 139 – 177 185 – 224 224 – 247
DEST (139 pin) U C R
AF L
Ohm
(R201 DIGITAL P.C.B.)
5.6k 8.2k
V 1.1 – 1.3 1.3 – 1.6
A/D value (3.3 V=255) 85 – 95 110 – 120
MODEL (127 pin) RX-V665 HTR-6260
Ohm 0 + 1.0k + 1.0k + 1.5k + 1.5k + 2.2k + 3.3k + 4.7k + 22.0k + 33.0k
V 0 – 0.15 0.15 – 0.42 0.43 – 0.70 0.71 – 0.97 0.98 – 1.24 1.25 – 1.53 1.54 – 1.84 1.84 – 2.1 2.34 – 2.55 2.55 – 2.97
A/D value
(3.3 V=255)
0 – 11 12 – 32 33-54 55 – 75 76 – 95 96 – 118 119 – 142 143 – 162 181 – 197 198 – 229
KEY1 (133 pin)
SCENE
RADIO
SCENE
CD
SCENE
TV
SCENE
BD/DVD
ZONE2
ON/OFF
ZONE2
CONTROL
PROGRAM
>
PROGRAM
<
MAIN ZONE
ON/OFF
TONE
CONTROL