System Block Diagram - Zenith ABV341 Series Service Manual

6. SYSTEM BLOCK DIAGRAM

TO/FROM DECK
MODE S/W
5V
T-UP END
ES501
R550
R557
LD501
DECK IR LED
RS501
R553
T-UP REEL
R555
5.3VA
5.3VA
MS501
11 77
GND
I-Limit
MODE S1 25 MODE S1
MODE S2
MODE S2
24
MODE S3
MODE S4
23
MODE S3
22 MODE S4
X502
14MHz
38
X in
OSC
39
X out
X501 35 Xc in
OSC
32.768KHz
Xc out
36
21 T-UP Sensor
ES502
R535
C534
R537
SUP Sensor
20
C535
SUP END R564
R556
80 T-UP Reel
R536
RS502
R538
79 SUP Reel
SUP REEL R558 C582
CST IN
58
14
CST.SW/REC TAP
R/C
R531 CS501
R5C6
RC601
R544
C552
76 95 94 87 12 59 9 18 13 16 59
90 CV IN
50
COMP IN
17
REC 'H' 74
C.ROT 15
A.MUTE'H'
84
67
S clk
S in 66
S out
65
A. ENV 8
A. H.SW 19
IC501 A. MUTE 'H' 68
REC 'H' 74
M37760
71
CLK
72
DATA
52
CV OUT
AFT 100
PLL CLK
71
PLL DATA 72
VCR 'H' 26
POWER FAIL 78
34
RESET
37
44 45 88 49 40 99 53 98
+
C500
OSC
L511
R598
C595
C596
3-30 3-31
TO/FROM AVCP
DISPLAY
IC5F1
TO/FROM AUDIO(Hi-Fi)
Hi-Fi ONLY
TO/ FROM TU/IF
IC504
GND
Vcc
3 2
1
Q503
+
5.3VA IC505
C517
R541
GND
Q501
Vcc
3 2
R583 1
R529
+
L512
C592
5V
+
C503
+
C561 L501
ZENITH