System Block Diagram - LG LGXBR342 Service Manual

7. SYSTEM BLOCK DIAGRAM

TO/FROM DECK
MODE S/W
5V
R550
LD501
DECK IR LED
R553
R555
5.3VA
MS501
GND
MODE S1
MODE S2
MODE S3
MODE S4
To/FROM DVD
X502
14MHz
OSC
T-UP END
X501
ES501
OSC
32.768KHz
ES502
R535
R557
C534
R537
C535
SUP END R564
RS501
R556
R536
T-UP REEL
RS502
R538
SUP REEL R558 C582
CST.SW/REC TAP
5.3VA
R531 CS501
R5C6
R544
C552
76 95 94 9 18 13 16
11 77 90 87 12 59
I-Limit
25 MODE S1
24 MODE S2
23
MODE S3
A.MUTE'H'
22
MODE S4
62
VDR ENA
66
VDR DATA
65 VCR DATA
67
VCR ENA
38
X in
39
X out
Xc in
35 IC501
A. MUTE 'H'
Xc out
36
M37760
21 T-UP Sensor
SUP Sensor
20
80 T-UP Reel
79 SUP Reel POWER FAIL
CST IN
58
14 44 45 88 49 53
40 99
R/C
OSC
RC601
L511
R598
C595
C596
3-32 3-33
TO/FROM AVCP
CV IN
50
COMP IN
17
REC 'H' 74
C.ROT 15
84
DISPLAY
FLD DATA 68
FLD ENA
69
IC5F1
FLD CLK
70
8
A. ENV
A. H.SW 19
68
TO/FROM AUDIO(Hi-Fi)
REC 'H'
74
IIC CLK 71
72
IIC DATA
52
CV OUT
AFT 100
TO/ FROM TU/IF
IIC CLK
71
IIC DATA 72
VCR 'H' 26
78
IC504
34 3
RESET
98 37
Q503
+ +
IC505
C500 C517 5.3VA
R541
Q501
3
R583
R529
+
L512
C592
5V
+
C503
+
C561 L501
GND
Vcc 2
1
GND
Vcc
2
1