Yamaha HTR-6230, Service Manual

Page: 48 / 99

48
RX-V365/HTR-6230
RX-V365/HTR-6230
IC402
IC403
* Destination for A/D port
Pin No. Port Name Function Name Detail of Function
1 Y4 –
2 Y6 –
3 COM COM SPI bus IN4 (IC401)
4 Y7 LINKACTIVE Link detect (U, C models)
5 Y5 XM_MUTE
6 INH DGND (Pull-down)
7 GND DGND Ground of external
8 GND DGND Ground of external
9 COM ADSEL2 Input select 2
10 B ADSEL1 Input select 1
11 A ADSEL0 Input select 0
12 Y3 –
13 Y0 –
14 Y1 /ST Stereo for tuner
15 Y2 /TUNED Tuned for tuner
16 Vcc +3.3S Power supply
Pin No. Port Name Function Name Detail of Function
1 Y4 DEST Destination 1 *
2 Y6 /PDET Sub-trans detect
3 COM COM SPI bus IN3 (IC401)
4 Y7 /HP Headphone detect
5 Y5 PRIIN Current protection
6 INH DGND (Pull-down)
7 GND DGND Ground of external
8 GND DGND Ground of external
9 COM ADSEL2 Input select 2
10 B ADSEL1 Input select 1
11 A ADSEL0 Input select 0
12 Y3 PLDET Limiter detect
13 Y0 PRDIN Amplifier DC detect
14 Y1 PRVIN Voltage protection
15 Y2 THMIN Thermo protection
16 Vcc +3.3S Power supply
R406 [ohm] 1.5 k 3.3 k 4.7 k 6.8 k 8.2 k
R407 [ohm] 8.2 k 6.8 k 5.6 k 3.9 k 2.2 k
DEST (1 pin) [V] 2.6-3.0 2.0-2.4 1.6-2.0 1.0-1.4 0.5-0.9
A/D value (3.3 V=255) 206-226 162-182 129-149 83-103 44-64
Destination U, C R, L T K, A B, G, E, F