Block Diagram - Monitor Section - Sony ICF-DVD57TV Service Manual

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