Sony NAS-50HDE / SS-50HDE Service Manual ▷ View online
25
NAS-50HDE/SS-50HDE
3-21. HP/USB/LINE IN BOARD
1
two screws
(+BVTT 2.6
×
4)
4
HP/USB/LINE IN board
2
connector
7p (CN1101)
7p (CN1101)
3
connector
4p (CN4001)
4p (CN4001)
3-22. EJECT
Screwdriver
2
two claws
1
Insert a screwdriver or a like and eject the tray.
3
extension
4
CD-ROM drive
view from the bottom
26
NAS-50HDE/SS-50HDE
SECTION 4
DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
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.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
No mark: CD PLAY
tolerances.
No mark: CD PLAY
*
: Impossible to measure
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
J
: CD PLAY
d
: TUNER
L
: VIDEO
a
: USB
f
: HDD
G
: LAN
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
C E
B
These are omitted.
C
B
These are omitted.
E
Q
• Indication of transistor.
Caution:
Parts face side: Parts on the parts face side seen from
(Side A) the parts face are indicated.
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.
Pattern face side: Parts on the pattern face side seen from
(Side B) the pattern 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.
Note: Replacement of MOTHER board IC1001, IC1002,
IC2001, IC2101, IC4001, IC9101, IC9201, or IC9301
• If IC1001, IC1002, IC2001, IC2101, IC4001, IC9101,
IC9201, or IC9301 of the MOTHER board is damaged
and needs replacement, replace the entire MOTHER board
with the new replacement MOTHER board because the
individual IC cannot be replaced separately.
and needs replacement, replace the entire MOTHER board
with the new replacement MOTHER board because the
individual IC cannot be replaced separately.
Note: Replacement of MOTHER board IC1001, IC1002,
IC2001, IC2101, IC4001, IC9101, IC9201, or IC9301
• If IC1001, IC1002, IC2001, IC2101, IC4001, IC9101,
IC9201, or IC9301 of the MOTHER board is damaged and
needs replacement, replace the entire MOTHER board
with the new replacement MOTHER board because the
individual IC cannot be replaced separately.
needs replacement, replace the entire MOTHER board
with the new replacement MOTHER board because the
individual IC cannot be replaced separately.
27
27
NAS-50HDE/SS-50HDE
NAS-50HDE/SS-50HDE
• Circuit Boards Location
LCD BOARD
PANEL U BOARD
D AMP BOARD
PS BOARD
SP OUT BOARD
DAB POWER BOARD (UK model)
MAIN BOARD
MOTHER BOARD
LCD SUB BOARD
HP/USB/LINE IN BOARD
PANEL L BOARD
– MOTHER Board –
1 V/DIV, 20 ns/DIV
40 ns
3.2 Vp-p
1 V/DIV, 20 ns/DIV
37 ns
2.4 Vp-p
1
IC1001
<cm,
(XTAL)
2
IC1701
4
(XIN)
– LCD Board –
3.4 Vp-p
88.6 ns
1 V/DIV, 40 ns/DIV
63 ns
3 Vp-p
1 V/DIV, 10 us/DIV
30.5 us
1.4 Vp-p
1 V/DIV, 40 ns/DIV
1
IC501
qg
(X1)
2
IC502
qd
(XI)
3
IC103
3
– MAIN Board –
1
IC2501
<znn
(REFCLK)
1 V/DIV, 20 ns/DIV
31.3 ns
3.6 Vp-p
– D AMP Board –
20.3 ns
1 V/DIV, 20 ns/DIV
1
IC703
rk
(XFSOIN)
3.2 Vp-p
• Waveforms
28
28
NAS-50HDE/SS-50HDE
NAS-50HDE/SS-50HDE
4-1. BLOCK DIAGRAM — MAIN SECTION —
4Y
2Y
1Y
3Y
4A
3A
2A
1A
IC841
HP AMP
43
HPOUTL2
41
HPOUTR1
45
HPOUTL1
39
HPOUTR2
HPR
HPR
HPL
HPL
6
5
7
HPR
HPL
2
3
5
3
1
7
1
: AUDIO
• Signal Path
: TUNER
J101(1/2)
IC101
AUDIO
INPUT SELECTOR
A/D CONVERTER
IC103
CLOCK DRIVER
6
3
IC102
BUFFER
IC105
LINE AMP
MOTHER2
SECTION
(Page 30)
XOUT
XIN
IC501 (1/3)
SUB SYSTEM CONTROLLER
X501
16MHz
X101
11.289MHz
TUNER
UNIT
LOUT
ROUT
J101(2/2)
Q511
Q508,510
LED
SWITCH
A
J302
AIN4L
AIN4R
AIN3L
AIN3R
AIN5L
AIN5R
AIN2L
AIN2R
DIN
HPOUTL
HPOUTR
CL
DI
CE
ADCBCLK
ADCLRC
DACMCLK
ADCMCLK
DOUT
DACBCLK
DACLRC
Q101,102
LINE OUT
LINE OUT
MUTE
ENCODER
S823
SIRCS
BCK
LRCK
XFSIIN
SCL
SDA
SDI
BCK1
LRCK1
SDO1
SDO2
AU_CE
AU_CLK
AU_DO
S-MASTER_RST
S-MASTER_SD
LINEOUT_MUTE
HP_MUTE
D805
D802
D801
S801
|
S806
S807
|
S811
S822
S822
S812
S817
S817
|
S819
S813
S814
S816
S814
S816
MOTHER1
SECTION
(Page 29)
C
FM
75
Ω
DAB
75
Ω
AM
UK
ANTENNA
DAB
TUNER
UNIT
AUDIO IN
AUDIO IN
(ILLUMINATION)
TIMER
TU_DO
TU_CL
TU_DI
RDS_CLK
RDS_DATA
TU_CE
HP_IN
AMP
R
AMP
L
IC400,401
ACTIVE LPF
VOLUME
IC801
REMOTE
CONTOROL
RECEIVER
IC502
RTC
?/1
5
2 1
7
IC751
S-MASTER DIGITAL AMP
(+)
(–)
IC703
S-MASTER
PROCESSOR
31 DATA
23
SCLATCH
27
INIT
19
SOFTMUTE
SCDT
22 21
SCSHIFT
9
OUTL2
6
OUTR1
11
30
10
13
5
11
12
2
5
12
9
3
6
11
8
4
7
6
45
44
47
46
42
43
1
48
AIN1L
AIN1R
3
2
29
36
OUTL1
4
OUTR2
48
XFS0IN
(+)
(–)
IC701
S-MASTER DIGITAL AMP
2 BP
17
4
AP
/RST
OUTB
OUTA
Q701-703,752,753
DC DETECT
Q842-845
HP MUTING
L
SPEAKER
IMPEDANCE USE 4
Ω
R
S-MASTER_LAT
S-MASTER_INIT
S-MASTER_DATA
S-MASTER_SHIFT
PGMUTE
20
S-MASTER_PG_MUTE
Q504
LPF
LPF
LPF
LPF
13 /SD
15 /OTW
S-MASTER_SOFT_MUTE
18
NSPMUTE
S-MASTER_NSP
L
L
R
R
CN482
J301
25
28
30
30
27
2 BP
17
4
AP
/RST
OUTB
OUTA
13 /SD
15 /OTW
25
28
30
30
27
IC704
CLOCK
GENERATOR
2
X701
49.152MHz
4
43
37
13
15
58
57
DAB_RXD
DAB_TXD
35
36
56
39
44 45
38
42
40
47
61
63
67
20
23
18
19
17
TU_CE
TU_DO
TU_DI
TU_CLK
22
18
LED_ILLUMI
26
Q505
LED
SWITCH
LED_ON
80
LED_STBY1
77
LED_TIMER
79
KEY_A0
86
ENC_A
68
ENC_B
69
1 3
I2C_CLK
29
I2C_DA
TA
SCL
SDA
XO
XI
30
2 1
R
TC_INT
74
XRST
INT
VDET
12
10 7
12
13
IC503
THERMAL
DETECTER
SCL
SDA
2 1
KEY_A1
85
KEY_A2
84
KEY_A3
83
KEY_INT
19
LED_STBY2
76
LED_STBY0
78
1
23
RDS_DA
TA
RDS_CLK
20
21
24
25
L
R
AUDIO OUT
L
R
Q501
D502
D503
X502
32.768kHz
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