System Block Diagram - Zenith XBV613 - DVD/VCR Combination Service Manual

6. SYSTEM BLOCK DIAGRAM

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