Ipod; System Status; Destination; Panel Key - Yamaha MCR-E810 Service Manual

RX-E810/RX-E410/NX-E800

SYSTEM STATUS

The voltage value of pin No. 92 of IC200 is displayed, us-
ing 5V/500 as standard.
SI:xxx [y]:OK
0: 0 (PORaT_STANDBY)
1: H 1/3 (PORT_PRE_STANDBY)
2: H 2/3 (PORT_STOP)
3: H (PORT_PLAY)
Display
0 - 41
43 - 123
125 - 207
209 - 290
292 - 374
376 - 456
458 - 500

DESTINATION

The destination of this unit is displayed.
DEST:000
Destination for AD port (Pin No. 97 of IC200) Pull-up resis-
tance 10k-ohms.
Ohm 0
V 0-0.2
Pin 94
B, G
(DEST)
PANEL KEY (K0/K1)
When the A/D value of the panel key becomes out of the
specified range, normal operation will not be available.
Check each panel key for the constant of the partial pres-
sure resistance, soldered condition, etc, referring to the
table below.
(Reference voltage: 5 V=100 %)
K0:494 K1:496
Display
0 - 41 DISPLAY
43 - 109 MEMORY / TIME ADJ.
111 - 317 PRESET / BAND
14
OK: Normal
NG: Out of specified range
Description
[ 0 ] OK
0-1 NG
[ 1 ] OK
1-2 NG
[ 2 ] OK
2-3 NG
[ 3 ] OK
2.7k 15.0k 47.0k
0.7-1.3 2.8-3.3 3.9-4.3
U, C L, V T, K, A
K0 K1
PRESET / TUNING B
PRESET / TUNING N
–

5. iPod

DOCK loop back check
After turning off the power, short between pins No. 14 (TX)
and No. 18 (RX).
(Make sure that the power is turned off when shorting
pins.)
Note) Be sure to return the shorted locations to their
original state.
15
9
3
1
5.DOCK:OK
Check item
Is UART loop pack check result OK?
DOCK status
The status of pins No.1 (PWR) and No.4 (iPDET) of the
DOCK connector is displayed.
PWR (iPod accessory power)
HI: Detected
LO: Undetected
DET (iPod installation to DOCK)
HI: Installed
LO: Not installed
PWR:LO DET:HI
B B B B
N N N N
16 17 18
10 11 12 13 14
4 5 6 7 8
2
19 20 21
DOCK
OK: Normal
NG: Error
Judgment
Display
YES OK
NO NG
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