Service Manual
Page 31
... ONLY VSX-916 ONLY R1104 0 VSX-916 ONLY CN604 CKS3373 3 A-D POINT VOLTAGE (V) SITUATION /KU Others NO SIGNAL A.B C.D 67.0 61.4 38.6 39.5 P13 P12 (SBL) SBLO OL XPROTECT GNDU +12V FR/FL RY R/C RY SBL/SBR RY C 2/2 Q605,606,633,655,656,683, Q505: OVERLOAD DETECTOR Q696,697: ( )..., BY LITTELFUSE INK. Ratings:Capacity(µF)/Voltage(V) unless otherwise noted. VSX-916 ONLY ICP-N10(400mA) R709 2.7K VSX-816 ONLY IC701 XPROTECT W177 D713 R713 1SS133 1k 180K (VSX-816) 120K (VSX-916) 20K (VSX-816) 68K (VSX-916) VSX-916 ONLY ICP-N10(400mA) 601_2 P12 IC702 R707 C706 10/100...
... ONLY VSX-916 ONLY R1104 0 VSX-916 ONLY CN604 CKS3373 3 A-D POINT VOLTAGE (V) SITUATION /KU Others NO SIGNAL A.B C.D 67.0 61.4 38.6 39.5 P13 P12 (SBL) SBLO OL XPROTECT GNDU +12V FR/FL RY R/C RY SBL/SBR RY C 2/2 Q605,606,633,655,656,683, Q505: OVERLOAD DETECTOR Q696,697: ( )..., BY LITTELFUSE INK. Ratings:Capacity(µF)/Voltage(V) unless otherwise noted. VSX-916 ONLY ICP-N10(400mA) R709 2.7K VSX-816 ONLY IC701 XPROTECT W177 D713 R713 1SS133 1k 180K (VSX-816) 120K (VSX-916) 20K (VSX-816) 68K (VSX-916) VSX-916 ONLY ICP-N10(400mA) 601_2 P12 IC702 R707 C706 10/100...
Service Manual
Page 112
... P43/A19 51 XM Common Select XM Signal Sw WakeUPB(XM) RDS FM+/XM RST RDS DT/XM LINK ACTIVE RDS CLK/XM LOWSPEED DSP OVERLOAD OL DET DC PROT VIDEO1 VIDEO2 VIDEO3 SW DET Comp VideoA Comp VideoB Comp Video INH GND EVR DT 5V EVR CLK LOW CONSUMPTION VIDEO4... DSP MODE DSP HREQ BUSY DSP SS DSP RST DSP CLK DSP DO DSP DI 232C CTS CLK RX(SR+/iPod) TX(SR+/iPod) F 112 VSX-816-K 1 2 3 4
... P43/A19 51 XM Common Select XM Signal Sw WakeUPB(XM) RDS FM+/XM RST RDS DT/XM LINK ACTIVE RDS CLK/XM LOWSPEED DSP OVERLOAD OL DET DC PROT VIDEO1 VIDEO2 VIDEO3 SW DET Comp VideoA Comp VideoB Comp Video INH GND EVR DT 5V EVR CLK LOW CONSUMPTION VIDEO4... DSP MODE DSP HREQ BUSY DSP SS DSP RST DSP CLK DSP DO DSP DI 232C CTS CLK RX(SR+/iPod) TX(SR+/iPod) F 112 VSX-816-K 1 2 3 4
Service Manual
Page 114
...select) (SX316 no connect) LOW_CONSUMPTION I /O XM antenna power supply. H:Normal, L:Abnormal OL DET I /O RDS power supply/XM reset. H:Normal, L:Abnormal DSP OVERLOAD I/O ANALOG OVER LOAD detect (H : detect) RDS CLK/XM LOWSPEED I/O RDS clock in signal/XM Lowspeed RDS DT/Link ACTIVE(XM) I/O RDSdata in signal/XM... abnormally detecting it, it makes it to L. USDAO I /O IPod power supply. iPod POW I /O data input from USB VSX-816-K 2 3 4 FM : Low, AM:High WAKE UPB(XM) I/O XMDT for SW relay at 916, 816 and 516.This RY_B is used for communication XM Signal Sw I/O CLK,DT, etc.
...select) (SX316 no connect) LOW_CONSUMPTION I /O XM antenna power supply. H:Normal, L:Abnormal OL DET I /O RDS power supply/XM reset. H:Normal, L:Abnormal DSP OVERLOAD I/O ANALOG OVER LOAD detect (H : detect) RDS CLK/XM LOWSPEED I/O RDS clock in signal/XM Lowspeed RDS DT/Link ACTIVE(XM) I/O RDSdata in signal/XM... abnormally detecting it, it makes it to L. USDAO I /O IPod power supply. iPod POW I /O data input from USB VSX-816-K 2 3 4 FM : Low, AM:High WAKE UPB(XM) I/O XMDT for SW relay at 916, 816 and 516.This RY_B is used for communication XM Signal Sw I/O CLK,DT, etc.
Service Manual
Page 127
Fan Stop Prottection Circuit Diagram POWER PACK ASSY DC DET (refer 1) Fan Stop Fan Fan Fan + Fan Stop DET. Overload Detection Circuit Diagram: Example of VSX-816/KUXJ/CA A R673 FL POWER PACK ASSY POWER AMP IC602(1/2) R626 FR IC601(1/2) D+5V MAIN ASSY R642 SL IC602(2/2)...12V C255 D+5V R726 Q253 MAIN ASSY OL DT Normal : +5 V FAN abnormal STOP : 0 V IC9001 (U-P) Pin72 DC PROT VSX-816-K 5 6 7 E F 127 8 DC Derection Circuit Diagram : Example of VSX-816/KUXJ/CA FRONT Channel MAIN ASSY POWER PACK ASSY POWER AMP IC802(1/2) 8pin FL R665 R669 OL DT Normal : +5 V OVER LOAD ...
Fan Stop Prottection Circuit Diagram POWER PACK ASSY DC DET (refer 1) Fan Stop Fan Fan Fan + Fan Stop DET. Overload Detection Circuit Diagram: Example of VSX-816/KUXJ/CA A R673 FL POWER PACK ASSY POWER AMP IC602(1/2) R626 FR IC601(1/2) D+5V MAIN ASSY R642 SL IC602(2/2)...12V C255 D+5V R726 Q253 MAIN ASSY OL DT Normal : +5 V FAN abnormal STOP : 0 V IC9001 (U-P) Pin72 DC PROT VSX-816-K 5 6 7 E F 127 8 DC Derection Circuit Diagram : Example of VSX-816/KUXJ/CA FRONT Channel MAIN ASSY POWER PACK ASSY POWER AMP IC802(1/2) 8pin FL R665 R669 OL DT Normal : +5 V OVER LOAD ...
Service Manual
Page 129
...If the "L" is detected, the microprocessor will perform as following flow chart. DC-abnormality detection DC detection is shut off , then D "OVERLOAD" flashes on . If the "L" is detected, the microprocessor will not be on the display. *A.MUTE : Audio mute command B .... ↓ Power key not effective and POWER LED blinks. Overload detection If the speaker terminals are pushed so that the key input of simultaneous detection with the overload protection circuit, DC-abnormality detection is input, the DC_DET port becomes "L". E F VSX-816-K 129 5 6 7 8
...If the "L" is detected, the microprocessor will perform as following flow chart. DC-abnormality detection DC detection is shut off , then D "OVERLOAD" flashes on . If the "L" is detected, the microprocessor will not be on the display. *A.MUTE : Audio mute command B .... ↓ Power key not effective and POWER LED blinks. Overload detection If the speaker terminals are pushed so that the key input of simultaneous detection with the overload protection circuit, DC-abnormality detection is input, the DC_DET port becomes "L". E F VSX-816-K 129 5 6 7 8
Service Manual
Page 130
... XPROTECT detection) Any other key input from front panel or remote control will not be on. The power is carried out by DC detection) 130 VSX-816-K 1 2 3 4 It processes more POWER LED blinks. (*1) However, when the following keys are pushed so that the key input of fan is...; Power key not effective and POWER LED blinks. When X+Y reach 60sec. ↓ POWER ON Then no more preferentially than DC abnormal detection and overload detection. When an abnormality of a line and the service can be carried out, power can be on . XPROTECT detection A XPROTECT is turned off...
... XPROTECT detection) Any other key input from front panel or remote control will not be on. The power is carried out by DC detection) 130 VSX-816-K 1 2 3 4 It processes more POWER LED blinks. (*1) However, when the following keys are pushed so that the key input of fan is...; Power key not effective and POWER LED blinks. When X+Y reach 60sec. ↓ POWER ON Then no more preferentially than DC abnormal detection and overload detection. When an abnormality of a line and the service can be carried out, power can be on . XPROTECT detection A XPROTECT is turned off...