Sony ICF-DVD57TV Service Manual ▷ View online
ICF-DVD57TV
21
21
ICF-DVD57TV
RV1501
V COM Adjustment
RV1901
5.0V Adjustment
RV1902
DC/DC Converter
Frequency Adjustment
RV1651
PLL Adjustment
– MONITOR BOARD (Component Side) –
TP1952
TP1951
TP1954
TP1960
TP1965
TP1964
TP1963
TP1510
TP1909
TP1907
TP1651
TP1901
(GND)
TP1906
TP1515
TP1412
– MONITOR BOARD (Conductor Side) –
TP1421
Adjustment and Connecting Location:
5-7-9.
B-Sub CONT (B-ch Sub Contrast) Adjustment
Adjusting Procedure:
1. Connect an oscilloscope of 10 step voltage to the TP1965 and
TP1901 (GND) on the MONITOR board.
2. Adjust the
. / >
keys so that the E level of the
waveform on the oscilloscope is 3.25
±
0.1 Vp-p.
Connection: (5-7-10 to 5-7-12)
5-7-10. VCO Free Run Adjustment
Condition:
Input the NTSC video signal (10 step (no burst)) (1 Vp-p 75 W) to
the INPUT VIDEO jack (JK501) on the MAIN board from NTSC
pattern generator.
Input the NTSC video signal (10 step (no burst)) (1 Vp-p 75 W) to
the INPUT VIDEO jack (JK501) on the MAIN board from NTSC
pattern generator.
Adjusting Procedure:
Adjust the
Adjust the
. / >
keys so that a screen on the monitor may
become normal.
5-7-11. PLL/V POS Adjustment
Condition:
Input the NTSC video signal (monoscope) (1 Vp-p 75 W) to the
INPUT VIDEO jack (JK501) on the MAIN board from NTSC
pattern generator.
Input the NTSC video signal (monoscope) (1 Vp-p 75 W) to the
INPUT VIDEO jack (JK501) on the MAIN board from NTSC
pattern generator.
Adjusting Procedure:
Press the
Press the
. / >
keys to adjust so that the position of screen
on the monitor becomes vertically symmetric.
5-7-12. H POS Adjustment
Condition:
Input the NTSC video signal (monoscope) (1 Vp-p 75 W) to the
INPUT VIDEO jack (JK501) on the MAIN board from NTSC
pattern generator.
Input the NTSC video signal (monoscope) (1 Vp-p 75 W) to the
INPUT VIDEO jack (JK501) on the MAIN board from NTSC
pattern generator.
Adjusting Procedure:
Press the
Press the
. / >
keys to adjust so that the position of screen
on the monitor becomes horizontally symmetric.
E
0V
NTSC pattern
generator
set
INPUT VIDEO jack
(JK501)
ICF-DVD57TV
22
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ICF-DVD57TV
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM – DVD Section –
FLASH ROM
IC707
EEPROM
IC709
D0 – D7
AD0 – AD7
A-1, A0 – A19
IOA0 – IOA20
OPTICAL
TRANSCEIVER
JK502
D/A CONVERTER
IC704
OPTICAL PICK-UP
BLOCK
(KHM-310BAA)
RF AMP, SERVO DSP,
MPEG DECODER
IC706
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC705
AUTOMATIC
POWER CONTROL
Q701
R-CH
DVDRF IP
6
MA
8
MB
9
MC
10
MD
11
RF
YUV4/R
DVDA
2
SDTI
3
DVDB
3
DVDC
4
DVDD
5
C
B
A
D
TNI
18
E
TPI
19
F
V20
29
VC
LDO2
22
DVDLD
LDO1
23
CDLD
FOO
42
SDA
5
DVD/CD
SWITCH
Q702
DVDVR
DVD/CD
LIMIT
114
CDVR
FCS+
MSW
MDI1
20
MDI2
21
PD
136
LIMIT SWITCH
Q703
L.P.F.
OPTICAL
OUTPUT
XIOCS
CE
SD-RAM
IC708
Y
B-Y
R-Y
X701
27MHz
A
B
•
R-ch is omitted due to same as L-ch.
VOFS+
14
FCS–
VOFS–
13
VNFFC
7
1
VINFC
TRO
41
TRK+
VOTK–
16
TRK–
VOTK+
15
VNFTK
20
26
VINTK
FMO
38
SLED MOTOR+
VOLD–
17
SLED MOTOR–
VOLD+
18
23
VINLD
DMO
37
SPINDLE MOTOR+
VOLD–
11
SPINDLE MOTOR–
VOLD+
12
6
VOSL
STBY
50
OP_INP
36
OP_OUT
34
28
STBY
OP_INN
35
200
ASDATA0 217
AOUTL+ 12
AOUTL– 11
AOUTR+ 10
AOUTR– 9
MCLK
1
ACLK 215
BICK
2
ABCK 214
LRCK
4
ALRCK 213
PDN
5
ARST 222
SPDIF 225
SI 170
XTALO
228
XTALI
229
EEP_DA 103
SCL
6
EEP_CK 102
YUV5/G
L.P.F.
202
YUV6/B
L.P.F.
203
MIX AMP
IC303
DVD LCH
Y, B-Y, R-Y
81 – 84,
86 – 88, 91
29, 31, 33, 35,
38, 40, 42, 44
93, 78, 53 – 59, 75, 74,
72 – 67, 92, 60, 61, 76
45, 25 – 18, 8 – 1,
48, 17, 16, 9
DQ0 – DQ15
RD0 – RD15
A0 – A11
RA0 – RA11
2, 4, 5, 7, 8, 10, 11, 13, 42,
44, 45, 47, 48, 50, 51, 53
125 – 123, 121, 120, 118, 117,
115, 135, 133 – 128, 126
147, 149 – 151, 166 – 164,
162, 160, 159, 146, 158
23 – 26,
29 – 34, 22, 35
77
26
XIOOE
OE
79
28
XIOWR
WE
66
11
BA0
BA0/A13
143
20
BA1
BA1/A12
145
21
RCLK
CLK
156
38
CKE
CKE
157
37
DQM0
DQML
113
15
DQM1
DQMH
137
39
XRAS
RAS
140
18
XCAS
CAS
139
17
XRCS
CS
142
19
XRWE
WE
138
16
DVD SI0
53
AMUTE 220
DVD AMUT IN
57
SO 178
DVD SO0
54
SCK 179
DVD SCK
55
XIFCS 169
DVD XIFCS
56
XIFBUSY 168
DVD XIFBUSY
50
XPRST 110
DVD RST
58
TMS 49
TRAY DET
61
S001-2
A IN
DISC TRAY OPEN/CLOSE
MOTOR DRIVE
IC351
DVD OPEN 39
DVD CLOSE 42
LOADING A 51
LOADING B 60
A OUT 8
B OUT 7
3
B IN
2
DISC TRAY
CLOSE DETECT
S001-1
DISC TRAY
OPEN DETECT
M
M301
DISC TRAY
OPEN/CLOSE
MAIN SYSTEM CONTROLLER
IC401 (1/3)
• SIGNAL PATH
: DVD/CD PLAY (VIDEO)
: DVD/CD PLAY (ANALOG AUDIO OUT)
: DVD/CD PLAY (DIGITAL AUDIO OUT)
(Page 25)
(Page 24)
ICF-DVD57TV
23
23
ICF-DVD57TV
6-2. BLOCK DIAGRAM – TUNER Section –
24
4
20
21
FM
OSC
IF
BUFFER
AF
AMP
MPX
MUTE
STEREO/
MONO,
FM/AM
FM/AM
FM
RF IN
RF IN
AM
RF IN
RF IN
MIX OUT
OSC
OUT
CF2
FM/AM PLL
IC2
CF4
FM
RF OUT
RF OUT
10
QUAD
FM
IF IN
IF IN
12
15
11
L-OUT
MPX
IN
IN
R-OUT
13
AM
IF IN
IF IN
LPF1/BAND
AM OSC
FM OSC
FM/AM RF AMP, MIX, OSC,
FM/AM IF AMP, DET, MPX
IC1
L2
FM VCO VOLTAGE
L4
AM VCO VOLTAGE
CT1, L1
FM TRACKING
CT3, L3
AM TRACKING
T1
AM IFT
LOW-PASS
FILTER
LOW-PASS
FILTER
• SIGNAL PATH
: FM
: AM
X1
75kHz
CT3
L1
FM RF
XOUT
XIN
AMIN
IF IN
ST
-IND
LP-OUT
LP-IN
FMIN
20
19
11
12
18
FM/AM
6
CT1
D1
L4
AM OSC
L2
FM OSC
LEVEL
DET
ST
IND
14
LPF2/MO-ST
AM
OSC
BUFFER
BUFFER
SWALLOW
COUNTER
UNIVERSAL
COUNTER
CCB
INTERFACE
REFERENCE
DIVIDER
UNLOCK
DETECT
12 BIT
PROGRAMMABLE
DIVIDER
PHASE
DETECTOR/
CHARGE PUMP
SHIFT REGISTER & LATCH
1/2
BAND
DI
CL
CE
DO
DET
OUT
PD
IF OUT
ST IND
2
3
1
4
10
9
BAND
7
MO/ST
13
8
17
16
17
18
16
19
D2
D3
(1/2)
D3
(2/2)
T1
AM IF
• R-ch is omitted due to same as L-ch.
MUTE
PLL DATA
PLL CLK
PLL CE
R-CH
E
TU LCH
D
T2
FM IFT
T2
FM IF
L3
AM FERRITE-ROD
ANTENNA
VT B+
PLL DATA, PLL CLK,
PLL CE, MUTE
C
ANT
FM
RF AMP
FM
MIX
2
7
FM IF
AMP
FM
DET
22
AM
RF AMP
AM
MIX
AM IF
AMP
AM
DET
DET
6
AF
BUFFER
(Page 26)
(Page 24)
(Page 24)
ICF-DVD57TV
24
24
ICF-DVD57TV
6-3. BLOCK DIAGRAM – AUDIO/PANEL Section –
R-CH
SP101
(L-CH)
(L-CH)
SEG0 – SEG15
LIQUID CRYSTAL DISPLAY
LCD601
10 – 25
COM0 – COM3
6 – 9
S659 – 664
PLL DATA
D
TU LCH
F
TV LCH
INPUT SELECT SWITCH,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
IC302
VOLUME
CONTROL
7
4
AGC
Q104
R-CH
R-CH
D102
+
+
MUTING
Q103
MUTING
CONTROL
Q302
R-CH
LED DRIVE
Q601
REMOTE CONTROL
RECEIVER
IC601
: TV (AUDIO)
: DVD/CD PLAY (ANALOG AUDIO OUT)
: FM
SIGNAL PATH
R-CH : R-ch is omitted due to same as L-ch.
R LIN
E
PLL DATA, PLL CLK,
PLL CE, MUTE
PLL CE, MUTE
65 RADIO DATA
PLL CLK
66 RADIO CLK
PLL CE
64 RADIO CE
MUTE
63 RADIO MUTE
µ
-COM S DATA
G
µ
-COM R DATA,
µ
-COM S DATA,
µ
-COM CLK,
µ
-COM LATCH,
RESET
33
µ
-COM S DATA
µ
-COM CLK
34
µ
-COM CLOCK
µ
-COM LATCH
37
µ
-COM LATCH
µ
-COM R DATA
29
µ
-COM R DATA
RESET
36 XRESET
SURROUND
CONTROL
TONE
CONTROL
1
V LIN
SEL L
B
DVD LCH
17
L OUT
L IN
L OUT
12
3
SP201
(R-CH)
NF L
13
9
TV LIN
5
CD LIN
INPUT
SELECT
SWITCH
LOGIC
14
SI
13
SC
19
BNFL
18
BOUTL
68
VOL DAT
67
VOL CLK
78
A MUTE
80
TIMER LED
POWER
AMP
52
BUZZER
79
STBY
8
STBY
STANDBY
SWITCH
Q301
POWER AMP
IC301
D103
48 RC
46 KEY0
S665 – 670
45 KEY1
S653 – 658
44 KEY2
S652
43 KEY3
40 ENCODE+
41 ENCODE–
SIRCS
BUFFER
Q401
ROTARY
ENCODER
S651
X401
4.19MHz
X2
75
X1
74
X402
32.768kHz
XT2
71
XT1
70
MAIN SYSTEM CONTROLLER
IC401 (2/3)
D604
TIMER
LED DRIVE
Q652
31
AUX LED
D652
AUX
LED DRIVE
Q653
32
TV LED
D653
TV
LED DRIVE
Q654
59
DVD LED
D654
DVD
LED DRIVE
Q655
35
TUNER LED
D655
RADIO
BAND
LED DRIVE
Q651
30
OPEN/CLOSE LED
D651
OPEN/
CLOSE
Z
R-CH
MONITOR ON
(Page 22)
(Page 23)
(Page 25)
(Page 23)
(Page 25)
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