Yamaha RX-V800 Panduan Servis - Halaman 24
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Halaman CetakRX-V800/RX-V800RDS/HTR-5280
13. MICROPROCESSOR INFORMATION
There are 4 sub-menu display.
The version, checksum and the port specified by the microprocessor are displayed. The signal is processed using EFFECT
OFF. The checksum is obtained by adding the data at every 16 bits for each program area and expressing the result as a 4-
figure hexadecimal data.
) 0 ;
*1
Tuner mode 0
0
0
1
1
AMP ADJUSTMENT
Confirmation of Idling Current of Main (1) P. C. B.
• Right after power is turned on, confirm that the voltage
across the terminals of R65 (Main Lch), R72 (Main
Rch), R86 (Center), R77 (Rear Lch), R83 (Rear Rch)
are between 0.1mV and 10.0mV.
• If it exceeds 10.0mV, open (cutoff) R3 (Main Lch), R38
(Main Rch), R55 (Center), R45 (Rear Lch), R50 (Rear
Rch) and reconfirm the voltage.
• Confirm that the voltage is 0.20mV ~ 15.0mV after 60
minutes.
23
Version [Remote control code: 7A-0D (CD REW)]
Release 1 figure / Main 2 figures / DSP 2 figures / Communication 1 figure / Boot
manufacturer 1 figure / Boot 232c 1 figure
Checksum [Remote control code: –]
A : All
Checksum [Remote control code: –]
2 : Boot 232C
Check of port setting for judging microprocessor function [Remote control
code: –]
ß
Tuner mode 0 (*1)
Tuner mode 1 (* 1)
RDS with (1) / without (0)
Model type: DSP-AX2 (1) / RX-V3000 (0)
ZONE2 with (1) / without (0)
VIDEO format: PAL (1) / NTSC (0)
Head phone: Unconnected (1) / connected (0)
Tuner: Not stereo (1) / stereo (0)
Tuner mode 1
Tuner frequency
0
AM: 531-1611kHz/9kHz FM: 76.0-90.0MHz/100kHz
1
AM: 531-1611kHz/9kHz FM: 87.5-108.0MHz/50kHz
0
AM: 530-1710kHz/10kHz FM: 87.5-107.9MHz/200kHz
R destination, Port6: LOW AM: 530-1710kHz/10kHz FM: 87.5-108.0MHz/100kHz
1
P : Program area
M : Boot manufacturer
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HIGH AM: 531-1611kHz/9kHz FM: 87.5-108.0MHz/50kHz
0.1mV ~ 10.0mV
(DC)
R31 (MAIN Lch)
R38 (MAIN Rch)
R55 (CENTER)
R45 (REAR Lch)
R50 (REAR Rch)
0.1mV ~ 10.0mV
(DC)
R65 (MAIN Lch)
R72 (MAIN Rch)
R86 (CENTER)
Cut off
R77 (REAR Lch)
R83 (REAR Rch)