Sony ICF-DVD57TV Service Manual ▷ View online
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
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
µCOM-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
µCOM-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
µCOM-S DATA
µ-COM R DATA
µ-COM S DATA
µ-COM S DATA
58
µCOM-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
(Page 22)
(Page 24)
(Page 24)
ICF-DVD57TV
26
26
ICF-DVD57TV
6-5. BLOCK DIAGRAM – POWER SUPPLY Section –
+12V
POWER AMP
B+
MAIN
µ
-COM +3.3V
LED +3.3V
+5V
TV +9V
+9V
DVD +5V
D651 – 653
(LCD BACK LIGHT)
RESET SIGNAL
GENERATOR
IC402
76
XRESET
49
AC IN
62
MONITOR ON
77
RADIO ON
MAIN SYSTEM CONTROLLER
IC401 (3/3)
D402
D401
+5.4V
MOTOR DRIVER
B+
D351
+6V
RADIO/VT
B+
+6V REGULATOR
Q912, 915, 920 – 922
+5V REGULATOR
Q911, 914, 919, 923, 924
RADIO ON
SWITCH
Q402
RECT
D905, 906
RECT
D902
D902
T901
POWER
TRANSFORMER
(AC IN)
C
ANT
F902
RECT
D901
D901
B+ SWITCH
Q901, 904
F901
SUB
µ
-COM +3.3V
D1402
+3.9V
REGULATOR
IC904
+9V
REGULATOR
IC902
+5V
REGULATOR
IC901
B+ SWITCH
Q1902, 1904
B+ SWITCH
Q905, 906
SWITCHING
Q902
SWITCHING
Q903
DEAD TIME
Q917
DEAD TIME
Q910
REGULATOR
CONTROL
Q913, 918
SWITCHING
REGULATOR
Q916
F904
REGULATOR
CONTROL
Q907, 909
SWITCHING
REGULATOR
Q908
DC/DC
CONVERTER
Q1901, 1903
Q1901, 1903
F903
F1901
F1801
D924, 925
D914, 915
D911
D913
TEMPERATURE
DETECT
IC951
TH901
TEMPERATURE
DETECT
IC952
TH902
+3.3V
REGULATOR
IC903
+1.8V
REGULATOR
IC701
DVD +1.8V
TV +5V
DVD +3.3V
+3.3V
REGULATOR
IC703
VIDEO DAC +3.3V
+3.3V
REGULATOR
IC702
PLL/RF +3.3V
+
VCC
9
D1905
VSS–13V
DC/DC
CONVERTER
T1901
D1904
VGH+17V
D1903
VCC+7.5V
D1902
VEE+5V
D1901
VDD+3.3V
INVERTER
TRANSFORMER
T1801
10 OUT2
11 DT2
7 OUT1
6 DT1
15
SCP
POWER CONTROL
IC905
3
7
NON1
OUT1
2 RT
15 SCP
5V VOLTAGE
RV1901
FREQUENCY
RV1902
POWER CONTROL
IC1901
8
7
OUTL
BATT
14
BATT
LCD BACK LIGHT
CONTROL
IC1801
41
SPC-DET
59
8V_SW
60
TFT-ON
SUB SYSTEM CONTROLLER
IC1401 (2/2)
13 OUTR
2 IL
5 EN
LIQUID CRYSTAL
DISPLAY MODULE
LCD1 (2/2)
(BACK LIGHT)
: FM
SIGNAL PATH
(Page 23)
ICF-DVD57TV
27
27
ICF-DVD57TV
•
Note For Printed Wiring Boards and Schematic Diagrams
•
DVD board is multi-layer printed board.
However, the patterns of intermediate-layer have not been in-
cluded in this diagrams.
However, the patterns of intermediate-layer have not been in-
cluded in this diagrams.
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– DVD/MONITOR Boards –
no mark : DVD PLAY
(
under no-signal (detuned) conditions.
– DVD/MONITOR Boards –
no mark : DVD PLAY
(
) : CD PLAY
[
] : TV
〈〈
〉〉
: AUX
∗
: Impossible to measure
– TU Board –
no mark : FM
(
no mark : FM
(
) : AM
– Other Boards –
no mark : RADIO (FM/AM)
(
no mark : RADIO (FM/AM)
(
) : DVD PLAY
[
] : TV
〈〈
〉〉
: AUX
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
L
: DVD/CD PLAY (VIDEO)
F
: DVD/CD PLAY (ANALOG AUDIO OUT)
J
: DVD/CD PLAY (DIGITAL AUDIO OUT)
N
: FM
O
: AM
E
: TV (AUDIO)
a
: TV (VIDEO)
d
: AUX (AUDIO)
G
: AUX (VIDEO)
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
W
: indicates side identified with part number.
•
z
: Through hole.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
LCD board
KEY board
DVD board
TRANS board
MAIN board
TU board
DETECTION board
MONITOR board
MS-203 board
•
Circuit Boards Location
ICF-DVD57TV
28
28
ICF-DVD57TV
6-6. PRINTED WIRING BOARD – DVD Board (Side A) –
: Uses unleaded solder.
•
See page 27 for Circuit Boards Location.
R739
C741
C743
C748
C746
C747
IC706
IC709
C766
C767
C768
C778
C735
FL707
R821
R734
R725
R726
R724
R727
C736
C765
C779
C838
C782
R793
C870
C837
C701
C702
C703
FL702
FL703
R792
C780
C764
R747
C751
R827
R746
C757
C826
FL709
R787
R835
C825
C822
C821
C818
C812
R784
C802
R782
FL711
X701
C800
C799
C801
C869
C808
C804 C803
R781
R813
C847
R780
R778
C726
C727
C728
R779
R777
C798 C797 C796
C813
R825
C750
R826
R745
R824
R744
R828
C756
C776
R761
C774
C770
C771
C772
C773
R751
R753
R752
R750
L704
FL706
Q703
R735
C737
R738
R742
R731
R736
Q702
C781
R803
R804
C783
C787
R766
R764
R765
R805
C785
R728
R806
C861
C788
C791
C792
C793
C794
C720
C722
C721
C719
R768
C723
R714
R713
C724
R767
R769
C795
C708
C714
C790
C789
C707
C784
FB703
FB705
FB706
FB704
C738 +
C709 +
C775 +
C807 +
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
B
C
E
DVD BOARD
(SIDE A)
1-866-128-
(11)
11
2S
2G
1D
2D
1G
1S
1
4
8
5
65
128
256
193
192
129
1
64
BP702
BP701
BP704
BP703
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
BP601
•
Semiconductor
Location
Location
Ref. No. Location
IC706
E-5
IC709
F-6
Q702
E-3
Q703
E-2
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