Sony XDR-S20 Service Manual ▷ View online
13
13
XDR-S20
XDR-S20
4-5. PRINTED WIRING BOARDS – MICRO COMPUTER SECTION –
•
See page 8 for Circuit Boards Location.
:Uses unleaded solder.
• Semiconductor
Location
Ref. No.
Location
D501
C-10
D502
C-11
D504
D-12
D505
D-1
D506
C-10
D507
C-11
IC501
B-11
IC502
B-10
IC503
D-7
IC504
C-4
Q501
D-9
Q502
D-9
Q503
C-10
Q504
D-5
Q505
B-6
Q506
B-7
Q507
C-11
Q508
D-11
Q510
B-11
Q512
D-11
Q514
C-5
Q515
C-5
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
+
MICRO COMPUTER BOARD
KEY BOARD
Q515
JC506
JC507
Q514
R555
R567
C558
R565
IC504
X501
X502
Q505
Q506
L503
Q504
SL502
SL501
GND
JW48
JW49
JW43
W7
JW42
JW41
JW40
JW36
Q512
CN501
D504
D504
(LCD BACK LIGHT)
Q508
Q503
Q507
JW54
D501
D502
Q502
IC502
IC501
Q510
C548
JW39
JW38
JW37
JW46
CN502
JW56
JW45
JW55
JW51
JC504
S501
D505
(LCD BACK LIGHT)
R564
RESET
D
S
S
G
D
13
4
5
G
E
B
EB
C
EB
C
EB
C
EB
C
EB
C
EB
C
C
E
B
C
Q501
E
B
C
E
B
C
BLU
WHT
RED
W701
W502
W501
LCD501
LIQUID CRYSTAL DISPLAY PANEL
1
20
VSS
VCC
AO
GND
SCL
SI
V1
V2
V3
V4
V5
VSS
VOUT
CAP3-
CAP1+
CAP2+
CAP1-
CAP2-
/CS1
100
31
50
81
1
30
51
80
IC503
54
3
1
54
3
1
2
16
1
15
1-868-775-
(11)
11
R552
JW50
R550
R549
C551
R542
R561
JC509
JC510
JC511
R558
R592
C553
C556
C557
C559
C560
C561
R517
C565
R522
JC501
R503
JC502
R504
R505
C501
R506
R551
R553
R556
R560
R559
C539
C540
C541
C542
C549
C550
R548
R547
R546
R545
R544
C511
C512
C506
R510
R514
R512
R511
C504
L502
R540
R541
R591
R562
C552 JC508
C564
C554
R538
R536
R525 R523
R524
R526
C555
R581
C513
C508
C507
R582
R519
R518
C505
R515
R513
C510
R521
R528
R529
R530
R531
R532
R579
R534
R535
R537
R520
R583 R584 R509
R516
C517
C515
L501
R557
C538
L504
C543
C546
C536
C528
R543
R539
R527
R573
R580
D506
D507
R574
R563
R586
R587
C502
C563
R568
R502
R501
JC503
R585
S613
S614
S605
OPERATE
SLEEP
S612
LIGHT
S611
CLOCK
S609
CONTRAST
DAB/FM
S607
AUTO TUNE
S610
S608
S606
DISPLAY
FAVOURITE
ENTER/SC
R622
R620
R609
R618
R613
R614
R621
R619
R617
CN602
BLU
WHT
RED
R610
1-868-777-
(11)
11
MAIN BOARD
CN601
B
MAIN BOARD
CN601
A
✩
(Page 10)
(Page 10)
✩
Refer to page 2 for NOTE FOR REPLACEMENT OF THE IC503.
14
14
XDR-S20
XDR-S20
4-6. SCHEMATIC DIAGRAM – MICRO COMPUTER SECTION –
•
See page 15 for IC Block Diagrams.
•
See page 15 for Waveforms.
•
See page 17 for IC Pin Function Description.
IC B/D
IC B/D
IC B/D
*
1
*
1
C538
0.1
(TYPE 1)
0.01
(TYPE 2)
*
2
L504
0.1
µH
(TYPE 1)
0
Ω
(TYPE 2)
*
2
R548
R551
X501
C539
C540
C541
C542
C549
C550
R559
R560
L501
L504
R553
C543
C546
X502
R574
R585
R587
R586
R563
R564
R550
R549
SL501
SL502
R552
C553
C551
R562
CN503
R525
R526
R523
R524
C507
C508
TP504
TP505
C513
R581
JC501
R506
R520
R521
C510
C511
TP501
TP502
TP503
R522
C512
R509
CN502
R501
R502
R504
R505
JC502
C558
S501
R565
R580
R573
CN602
R609
R610
R613
R614
R617
R618
R619
R620
R621
R622
R503
C536
C528
JC503
R527
R582
R583
C565
CN501
R558
R557
R541
R584
L503
JC504
C552
R592
JC511
TP507
C548
JC506
C502
C501
R556
JC507
Q515
R567
R555
L502
R591
LCD501
Q501
R540
R542
R536
R538
Q504
C538
Q505
Q506
IC503
Q512
Q508
Q510
Q507
D504
D505
Q503
IC504
IC501
IC502
D501
D507
D506
D502
Q514
Q502
S605
S607
S609
S611
S613
S606
S608
S610
S612
S614
R511
R513
R515
R514
R510
R512
C504
C505
C506
R517
R518
R519
R543
R544
R545
R546
R547
C556
C557
C559
C560
C561
C564
C554
C555
R561
JC508
JC509
JC510
R528
R530
R529
R539
R531
R532
R579
R534
R535
R537
C563
R568
R516
C517
C515
✩
MB90F488BPF-GE1
(TYPE 1)
MB90486BPF-G-165E1
(TYPE 2)
(Page 12)
✩
Refer to page 2 for NOTE FOR REPLACEMENT OF THE IC503.
15
XDR-S20
• Waveforms
– MAIN Board –
– MAIN Board –
– MICRO COMPUTER Board –
0.17 Vp-p
10.7 MHz
1.6 Vp-p
1
IC1
8
(QUOD)
75 kHz
2
IC1
qg
(XO)
0.5 V/DIV, 5
µ
sec/DIV
50 mV/DIV, 0.05 sec/DIV
0.7 Vp-p
32.768 kHz
3.7 Vp-p
1
IC503
ul
(X1A)
7.36 MHz
2
IC503
id
(X1)
1 V/DIV, 0.1
µ
sec/DIV
0.2 V/DIV, 20
µ
sec/DIV
• IC Block Diagrams
IC501 PST3242NR
IC502 PST3256NR
IC504 PST3227NR
IC502 PST3256NR
IC504 PST3227NR
— MICRO COMPUTER Board —
3
1
2
VREF
VOUT
VIN
VSS
16
XDR-S20
IC301 LA4627-E
IC1 TB2132FNG
— MAIN Board —
30 29
28
3
1
2
4
5
6
7
8
9
10
11
12
13 14
15
27
26
25
19 18
17
20
21
16
22
23
24
OSC
FMRFOUT
TVRFOUT
RFVCC
AMIN
FMOSC
AMOSC
CE
CLOCK
DATA
PLLVCC
DO
OUT2
OUT1
PLLGND
XI
XO
RCH
LCH
LPF2
LPF1
MPXIN
DETOUT
QUOD
AMIFIN
VCC
FMIFIN
AGC
MIXOUT
GND
RFIN
AM OSCIN
AM
MIX
1/4
AM
OSC
1/16
AGC
FM/TV
MIX
1/2
AM
TV 1/8
FM 1/32
FM/TV 1/2
FM
IF
IF
BUFFER
BUFFER
AM
FM
AM
IF
TV
RF
RF
FM
RF
1/8
FM OSCIN
PROGRAM
COUNTER
PHASE
COMPARATOR
REFERENCE
DIVIDER
FM/AM/TV
SWITCH
FM MPX
MUTE
IFIN
PLL
FM
DET
AM
DET
AF
1
STBY
2
OUT2
3
NC
4
GND
5
NC
6
IN2
9
PP
8
RF
7
IN1
VCC
OUT1
NC
POWER
AMP
RIPPLE
FILTER
+
–
–
POWER
AMP
REF
AMP
+
–
TSD
PROTECTOR
STANDBY SWITCH
POP SOUND
PROTECTION
BLOCK
12
11
10
IC953 MM1565AFBE
6
5
1
8
7
4
TERMAL
SHUTDOWN
DRIVER
CURRENT
LIMITTER
LIMITTER
BIAS
3
2
REFERENCE
VIN
GND
GND
CONT
VOUT
CN
GND
NC
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