Zenith XBV613 Service Manual - Page 35
System Block Diagram
UPC - 719192169715
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6. SYSTEM BLOCK DIAGRAM TO/FROM DECK TO/FROM AVCP MODE S/W 5.3VA MS501 GND MODE S1 MODE S2 MODE S3 MODE S4 CAP. PWM DRUM PWM CTL + CTL DPG CFG CAP. REV 'H' LD CTL V. ENV V.H.SW30 D.V.Sync H.A.SW SQPB 11 77 76 95 94 90 87 12 60 I-Limit 25 MODE S1 24 MODE S2 23 MODE S3 22 MODE S4 9 18 13 16 59 56 50 17 REC 'H' 74 C.ROT 15 A.MUTE'H' 84 CV IN COMP IN DISPLAY 5V T-UP END ES501 R550 X502 14MHz OSC X501 32.768KHz OSC 38 X in 39 X out 35 Xc in 36 Xc out R557 LD501 DECK IR LED R553 RS501 ES502 R535 SUP END R564 R537 C534 21 T-UP Sensor 20 SUP Sensor C535 R556 R555 T-UP REEL RS502 R538 SUP REEL R558 C582 R536 80 T-UP Reel 79 SUP Reel CST.SW/REC TAP 5.3VA R531 CS501 R544 58 CST IN 14 R/C R5C6 C552 RC601 S clk 67 S in 66 OSC S out 65 DVD DATA OUT 65 DVD DATA IN 66 DVD CLK 67 DVD RESET 82 DVD ENA 85 IC5F1 TO/FROM DVD IC501 M37760 A. ENV 8 A. H.SW 19 A. MUTE 'H' 68 REC 'H' 74 CLK 71 DATA 72 CV OUT 52 AFT 100 PLL CLK 71 PLL DATA 72 VCR 'H' 26 MODU CTL 61 TO/FROM AUDIO(Hi-Fi) Hi-Fi ONLY TO/ FROM TU/IF OSC in 2 OSC out 2 Vss (AMP) Vss (OSD) Vss (SYSCON) Vcc (A/D) Vcc (OSD) Vcc (SERVO) Vcc (SYSCON) 44 45 OSC L511 R598 C595 C596 POWER FAIL 78 34 RESET 88 49 40 99 53 98 37 ++ C500 C517 Q503 R541 Q501 R529 R583 + C592 L512 + C503 IC504 GND 3 Vcc 2 1 5.3VA IC505 GND 3 Vcc 2 1 5V + C561 L501 3-29 3-30