LG EC970W - System Block Diagram

3-28 3-29
5. System Block Diagram
GND
MODE S1
MODE S2
MODE S3
MODE S4
MODE S/W
TO/FROM AVCP
T-UP REEL
T-UP END
SUP REEL
CST.SW
5.1V
CS501
5.3VA
5.3VA
ES501
R550
LD501
DECK IR LED
R553
R555
RS501
RS502
R556
R558 C582
R584
R5C5
R5C7
R583
C534
R544
C552
R5C6
C500 C517
R541
R529
R583
L505
MS501
X502
14MHz
32.768KHz
OSC
OSC
X501
1
2
RESET
GND
Vcc
3
5.3VA
5.3V
5.1V
IC504
+
+ +
C592
+
C503
L501
R557
SUP END
ES502
C535
R564
R531
OSC
R/C
RC501
Q502
L511
R598
C595
C596
+
C561
TO/FROM DECK
Q503
Q501
CV IN
25
24
23
22
85
79
58
80
88
49
40
37
98
34
IC501
M37760
MODE S1
I-Limit
MODE S2
MODE S3
MODE S4
T-UP Sensor
T-UP Reel
SUP Reel
CST IN
Vss (AMP)
Vss (OSD)
Vss (SYSCON)
Vcc (SYSCON)
Vcc (SERVO)
CAP. PWM
CTL +
CTL -
CFG
CAP. REV 'H'
CAP. ACCEL
LD-
LD+
V. ENV
V.H.SW30
DPG
D.V.Sync
CVin(EDS)
38
39
X out
Xc in
Xc out
X in
35
36
53
52 44
fsc IN
fsc OUT
OSC in 2
95
94
87
12
59 60
83
9
18
56
76
90
13
77
11
DRUM PWM
53
Vcc (OSD)
84
SUP Sensor
45
OSC out 2
14
99
Vcc (A/D)
TO/FROM AUDIO(Hi-Fi)
TO/ FROM TU/IF
72
100
70
VCR 'H'
VOICE 'H'
PLL DATA
PLL CLK
CV OUT
AFT
71
52
63
POWER FAIL
78
A. MUTE 'H'
A. ENV
A. H.SW
REC 'H'
74
68
71
72
CLK
DATA
74
69
50
REC 'H'
S clk
S in
S out
OSD 'H'
8
19
67
66
65
Hi-Fi ONLY
2
GND
Vcc
3
IC505
1
C577
+
R589
TO AUDIO
'00.10.20 R10380BB
OPTION : Speak EZ Model Only
IC5F1
DISPLAY