ICF-DVD57TV
25
25
ICF-DVD57TV
6-4. BLOCK DIAGRAM – MONITOR Section –
PHASE
COMPARATOR
IC1651
OSD DRIVER
IC1502
RGB DECODER
IC1501
VR
DATA
OSC OUT
CTRAPOUT
R-OUT
G-OUT
POL
HDOUT
CTRAPIN
CSYNCOUT
LCD CONTROLLER
IC1601
PD
STV1
VGON (17V)
RED
VCOM
VCOM
GREEN
VGH17V
LIQUID CRYSTAL
DISPLAY MODULE
LCD1 (1/2)
BUFFER
Q1504
SYNC DET
Q1503, 1505
SDATA
VXO-NTSC
EEPROM
IC1451
HD
VD
R-OUT
B-OUT
G
BLUE
B
R
VDOUT
OSC
TRAP
RV1651
PLL
RV1501
V COM
X1501
3.579545MHz
SDA
SCL
VHF/UHF
TV ANT
25
L OUT
16
DET OUT
4
SDA
24
R OUT
R-CH
1
R
AUDIO
L
JK501
INPUT
VIDEO
R-CH
13
2
1
5
3
2
7
4
R-CH
MUTING
Q101
D101, 105
VIDEO AMP
Q505
52
54
26
VCOMOUT 28
G-OUT 21
B-OUT 19
R-IN2 14
VDIN
35
YIN
4 R-YIN
57 CIN
46
34
HDOUT 32
CSYNCIN
SYNC
SEPARATOR
Q1501, 1502
63
53
16
VG
G-IN2 15
17
VB
B-IN2 16
18
BLK
POL
YS 17
15
HSYNCN
20
36
BLAK
BLAK
18
7
OSC IN 8
VDOUT 31
VSYNCN
19
3
SCLK
1
CSN
2
33
VCO1
36
HSYNCIN
2
VDBIN
5
BLAK
BLACK
8
POL
POL
14
VCO0
37
12
ZOOM
ZOOM
JUST
SIDE1
SIDE2
31
JUST
4
SIDE1
3
61 62 63
OSD-DATA
OSD-CLK
OSD-CS
54 55 53
SDA
SCL
HSYNCLOCK
66
TV/AUX_MUTE
34
TV/AUX
77
DVD ON
80
67
65
VSYNC
52
EEPROM-SDA
49
X1
74
64
SIDE2
XRESET
39
35
RESET
20
STV1
STV2
26
STV2
STH1
23
STH1
STH2
24
STH2
CLK1
29
CPH1
CLK2
27
CPH2
CLK3
25
CPH3
CPV
16
CPV
OEV1
19
OEV1
OEV2
18
OEV2
OEV3
17
OEV3
OEH
21
OEH
V COM BIAS
Q1506 – 1510
V COM AMP
IC1503
VDD (3.3V)
VDD3V
VEE (5.0V)
VB (2.5V)
VEE5V
VSS (–13.0V)
VSS–13V
48
SCLK
47
HSYNCLOCK
39
F
TV LCH
23
9V (MPX)
32 T-SDATA
3
SCL
33 T-SCL
15
AFT OUT
46 T-AFT
37 TFT OPEN
56
µ
COM-R DATA
13
RF AGC
30 T-AGC
22
MUTE
31 T-MUTE
AGC
Q501
20
MODE
78 T-MODE
AUDIO MODE
SELECT SWITCH
Q503
21
F MONO
79 T-FMONO
51
µ
COM-LATCH
AUDIO MODE
SELECT SWITCH
Q502
TV +9V
2
5V (TU)
14
5V (F)
26
5V (D/D)
TV +5V
TU501
TV TUNER UNIT
5
EEPROM-SCL
50
X2
75
6
X1401
4.19MHz
S401
DISPLAY
RELEASE
µ
-COM LATCH
57
µ
COM-S DATA
µ
-COM R DATA
µ
-COM S DATA
58
µ
COM-CLK
5 B-YIN
B-Y
R-Y
Y
µ
-COM CLK
76 XRESET
RESET
G
µ
-COM R DATA,
µ
-COM S DATA,
µ
-COM CLK,
µ
-COM LATCH, RESET
A
Y, B-Y, R-Y
: TV (AUDIO)
: DVD/CD PLAY (ANALOG AUDIO OUT)
: AUX IN (AUDIO)
: AUX IN (VIDEO)
SIGNAL PATH
: TV (VIDEO)
R-CH : R-ch is omitted due to same as L-ch.
TV/AUX AUDIO
SELECT SWITCH
IC502
SUB SYSTEM CONTROLLER
IC1401 (1/2)
4
5
3
Q504
VIDEO INPUT SELECT SWITCH
IC501
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