Sony STR-K7100 Service Manual - Page 17
Block Diagram - Video
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5-4. BLOCK DIAGRAM - VIDEO SECTION - SAT VIDEO IN J301 -1 Y -2 PB/CB -3 PR/CR -4 Y COMPONENT DVD PB/CB V5 VIDEO VIDEO IN -6 PR/CR V7 Y VIDEO 1 -8 IN PB/CB -9 PR/CR VIDEO 1 DVD SAT -1 J201 (1/2) VIDEO IN -2 J200 (1/2) VIDEO IN -1 VIDEO IN VIDEO 3 IN/ PORTABLE AV IN J298 (1/2) -1 VIDEO COMPONENT VIDEO SELECT IC304 1 CH1 IN1 3 CH1 IN2 5 CH1 IN3 7 CH2 IN1 9 CH2 IN2 11 CH2 IN3 16 CH3 IN1 14 CH3 IN2 12 CH3 IN3 SW1 2 COMP_S1 6dB AMP 6dB AMP 75Ω DRIVER V+1,+2 +5V-3 CH1 OUT 22 75Ω DRIVER CH2 OUT 20 6dB AMP 75Ω DRIVER CH3 OUT 18 V-1,-2 -5V-3 SW2 4 P.SAVE 21 COMP_S2 V MUTE J302 Y -1 MONITOR PB/CB -2 OUT COMPONENT VIDEO PR/CR -3 V_SW1 V_SW2 INPUT SELECTOR IC203 V1 13 DVD 5 SAT 3 V3 9 SW2 SW5 SW1 14 2 10 D203 D204 SW3 6dB AMP VCC +5V-3 75Ω DRIVER M.OUT 1 6dB AMP 75Ω DRIVER V1 OUT 15 SW4 4 6 VEE -5V-3 V_SW3 V_SW4 +5V-3 -5V-3 IC807 3 +5V REG 1 IC804 3 -5V REG 2 +15V -15V J201 (2/2) -2 VIDEO OUT MONITOR J200 (2/2) -3 VIDEO OUT VIDEO 1 COMP_S1 COMP_S2 V MUTE V_SW1 V_SW2 V_SW3 V_SW4 SYSTEM CONTROL IC1907 (3/6) 30 V COMP SW1 29 V COMP SW2 28 V MUTE 34 V_SW1 33 V_SW2 32 V_SW3 31 V_SW4 • Signal path : VIDEO STR-K7100 STR-K7100 17 17