Zenith D35, Service Manual

Page: 57 / 156

3-34 3-35
7. SYSTEM BLOCK DIAGRAM
77
76
57
4
2 33 49 71
22
41
16
IC501
MODE S1
MODE S2
MODE S3
MODE S4
T-UP Reel
CST/TAB 'H'
Vss (A/D)
Vss (SERVO)
Vss (OSD) Vss (SYSCON) Vcc (SYS) Vcc (SERVO)
CAP. PWM
CTL +
CTL -
DFG CFG
CAP. REV 'H'
CAP. ADJ
DRUM ADJ
V. ENV
V.H/SW
MODE S/W MS501
TO/ FROM AVCP
T-UP END
T-UP REEL
SUP REEL
CST. TAB SW.
5.2V
2fsc
(FROM AVCP)
5.3VA
RS501
RS502
CS501 R544
R548
R5C6
C552
5.3VA
5.3VA
LD501
DECK IR LED
98
Amp CLK
99
Amp Data In
100
Amp Data Out
63
Amp ENA
C.ROTARY
DPG
D.V.Sync
X501
PMC01
10MHz
OSC
72
73
AMP
OSC2
2fsc in
2fsc out
OSC1
CHAR.
OSC
51
50 DOSC IN
DOSC OUT
53
52
T-UP SENSOR 1
M LD IN 10
L/D MOTOR
20
LD (+)
LD (-) 19
1
2
3
4
5
31 32 38 40 61
78
80 81 12 24 28 39 27
DRUM PWM
1
2
RESET
GND
Vcc
3
IC504
3
SUP SENSOR
SUP END
82
15
R/C
PM601 Pin5
R/C Out
+
Vcc (A
/D)
95
83
88
79
59
54
56
43
DVD DATA IN
DVD CLOCK
FLD DATA OUT
FLD CLOCK
REC 'H'
56
62
A. MUTE 'H'
90
IIC CLK
91
94 DVD RESET
IIC DATA
OSD 'H'
I - LIMIT
C. SYNC
45
C.Vout
C.Vin
TO/ FROM DECK
R550
R551
R557
R555
R553
R556
R559
Q515
R558
R5C5
R525
R578 R577 R576 R575
R526
R5C7
C535
C534
R560
R564
C505
+
C561
C506
L505
L501
L520
ZD503
58
FLD ENA
85
VOLUME DOWN
86 VOLUME UP
65 ACSS ENA
13 KEY RTN 0
14
KEY RTN 1
Vcc (OSD)
75
74
C508
C504
KEY SW
ACSS
KEY SW
ES501
ES502
96
DVD DATA OUT 97
DVD ENA 84
+
+
Q514
C581
C582
R5B3
R5B4
5
SUP Reel
+
C503
26 25
42
S/W
KEY
BOARD
DVD
BOARD
L530
P8D01
DVD BOARD
DT-587M's