P 1 - 3
T M : 1 1 8 / 2 5 5 / 2 2 7
P1-3. TMP
Temperature of the heatsink (THM) is detected.
The voltage at 122 pin (THM1)/123 pin (THM2) /110 pin (THM3) of IC21 is displayed.
Normal value
THM1:
54 to 255 (U, C, R, K, A, B, G, S models)
57 to 255 (L model)
THM2:
(Not for service)
THM3:
115 to 255
(Reference voltage: 3.3 V=255)
*
If THM1, THM2 or THM3 becomes out of the normal value range, the protection function works to turn off the
power.
THM3
THM2 (Not for service)
THM1
P 1 - 4
O U T L V L : 2 5 5
P1-4. OUTPUT
LEVEL
Output level of speaker output is detected.
The voltage at 121 pin (AMP_OLV) of IC21 is displayed.
(Reference voltage: 3.3 V=255)
P 1 - 5
L M T C N T : 2 5 5
P1-5. LIMITER
CONTROL
Power limiter control is detected.
The voltage at 7 pin (AMP_LMT) of IC21 is displayed.
(Reference voltage: 3.3 V=255)
P1-6. USB-VBUS
Power supply voltage of USB jack is detected.
The voltage at 109 pin (USB_VBUS_PRT) of IC21 is detected.
(Reference voltage: 3.3 V=255)
P 1 - 6
U S B - V B U S : 0 0 3
30
R-N500
R-N50
0
Summary of Contents for R-N500
Page 3: ...FRONT PANEL REAR PANELS U C models R S models 3 R N500 R N500...
Page 4: ...K model A model B G models 4 R N500 R N500...
Page 5: ...L model 5 R N500 R N500...
Page 99: ...99 R N500 R N500 MEMO...
Page 100: ...R N500...
