STR-DE845/DE945
4-2. BLOCK DIAGRAM – MAIN Section (2/2) –
(DE945)
VIDEO 3
INPUT
TV/SAT
DVD/LD
VIDEO 2
VIDEO 1
MONITOR
05
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| VIDEO SELECT |
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| IC2005 |
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VIDEO | 7 | V3 | VCC | 16 | +5V |
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J2003 |
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| VEE | 8 |
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VIDEO IN | 3 | TV | SW1 | 14 |
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| 77 | VIDEO (SW1) |
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VIDEO IN | 5 | LD | SW2 | 10 |
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| 76 | VIDEO (SW2) |
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VIDEO OUT | 11 | V2 OUT | SW3 | 4 |
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| 75 | VIDEO (SW3) | SYSTEM CONTROLLER |
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| IC1201 (2/2) |
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J2002 |
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| SW4 | 6 |
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| 72 | VIDEO (SW4) |
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VIDEO IN | 9 | V2 IN |
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| D2003 | D2004 |
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VIDEO OUT | 15 | V1 OUT | SW5 | 2 |
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VIDEO IN | 13 | V1 IN3 | M OUT | 1 |
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| Y SWITCH |
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| IC252 |
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| 3 | TV | V1 OUT | 15 |
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| Y |
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| Y |
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| SW1 | 14 |
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| VIDEO 1 |
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TV/SAT | 5 | LD | SW2 | 10 |
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| SW3 | 4 |
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| C |
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C |
| SW4 | 6 |
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| 13 | V1 IN | M OUT | 1 |
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Y |
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DVD/LD |
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| C SWITCH |
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C | IC251 |
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| 3 | TV | V1 OUT | 15 |
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| Y |
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| Y |
| J251 |
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| SW1 | 14 |
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| MONITOR |
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VIDEO 1 | 5 | LD | SW2 | 10 |
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| SW3 | 4 |
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| C |
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| SW4 | 6 |
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| C |
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| 13 V1 IN | M OUT | 1 |
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| VIDEO BUFFER |
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| OSD DRIVER |
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| IC2002 |
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| IC2004 |
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| 6 | C OUT | C IN | 4 | 26 | C OUT |
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| VBLK | 6 |
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| 56 | OSD VBLK |
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| SCLK 22 |
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| 26 | OSD CLK | |
J2001 | 8 | Y OUT | Y IN | 2 | 27 | Y OUT |
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| SIN 23 |
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| 28 | OSD DOUT | |
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| CS | 24 |
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| 100 | OSD LAT | |
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| Q2001, 2002 |
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VIDEO OUT | 7 | V OUT | V IN | 3 | 25 | V OUT |
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| YIN | 1 |
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| MODE |
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| VIN | 3 |
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| CONTROL |
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| IC102 |
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| CIN | 2 |
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| IC2006 |
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| 11 | 10 | 9 | 8 | EXS |
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| SYNC |
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| 8 |
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| D2002 | IN | 1 |
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| HSYNC | VSYNC |
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| TEST | EXHSYN | 12 |
| 2 |
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| HSYNC | 4 | 55 | OSD VSYNC | ||||||
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| VSYNC | |||
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| X2002 |
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| 10 11 21 |
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| IC2008 |
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| 14MHz |
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| CLOCK |
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| SYNC |
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| D2005 | IN | 1 |
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| IC2001 |
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| CNP253 |
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| 2 |
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| HSYNC |
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| 4 |
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| (FOR CHECK) |
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| VSYNC |
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| 12 | 12 |
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