Sony MDS-NT1 Service Manual ▷ View online
45
45
MDS-NT1
6-10. SCHEMATIC DIAGRAM – MAIN Board (2/2) –
•
See page 38 for Waveforms.
•
See page 48 for IC Block Diagrams.
EP550
C177
R178
C277
R281
R181
C282
C182
R280
R180
C456
C451
C452
Q170
R270
R456
R142
R163
R161
R262
R264
C165
R165
C161
R164
R162
C166
R166
R240
R242
C266
IC503
C281
C459
C181
R450
C180
C460
C401
T400
C402
C404
IC401
C458
IC400
C408
C409
C410
C407
R401
L400
C412
C413
C414
C415
C416
CN420
D
4
2
1
R421
C851
R266
C261
R263
R261
C265
R265
C101
C100
C852
C854
C507
C524
C523
C450
C462
IC450
C515
C516
C517
R504
R505
R506
R501
R500
R503
C519
R581
C556
C856
R550
C550
C551
C555
D402
D470
R470
D301
C432
C461
R420
R404
Q100
C280
C276
R276
Q270
IC550
R455
D422
BT420
CN200
L280
Q451
R170
R140
IC501(1/2)
IC501(2/2)
R176
C176
IC451
R471
Q400
L504
L550
L551
R551
C554
L503
IC505
THP400
R403
R278
L278
L178
L180
J180
J400
C406
D
4
0
0
RV301
IC402
220p
330
220p
1k
1k
220p
220p
2.2
2.2
220
10V
10V
0.1
0.1
2SD1938(F)
-T(TX)
10k
4.7k
0
10k
10k
10k
10k
100p
10k
220p
10k
10k
100p
10k
0
0
100p
BH3541F-E2
220 10V
1
220
10V
10V
100k
1 50V
47
10V
0.1
0.1
0.1
XC61FN3012MR
220
10V
10V
MAX1626ESA
0.1
0.1
15
16V
6800
16V
0.047
47
6.3V
1000
10V
0.1
0.1
220
10V
10V
2P
1
S
S
3
5
5
T
E
-1
7
220
0
10k
220p
10k
10k
100p
10k
1
1
0
0
0.1
0.1
100
10V
10V
220
10V
10V
0.1
BA05T
100p
100p
100p
100
100
100
220
220
220
1000p
220
0.1
0.1
1M
100
10V
10V
0.1
0.1
SFPB-52V
MA8033-L-TX
2.2k
DAP202UT106
0.1
0.1
0
10k
UN5111-TX
1
50V
22
25V
680
2SD1938(F)
-T(TX)
TC7WHU04FU
10k
RB495D-T146
UN5211-TX
10k
0
NJM2115V(TE2)
NJM2115V(TE2)
680
22
25V
XC6351A120MR
2.2k
HAT1020R-E
0
0.1
0
CXD9627
4.7k
330
0.1
S
FP
B
-5
2
V
20k/20k
BA033FP-E2
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
BCK
DADT
LRCK
LATCH
SCLK
SWDT
ADA.RESET
VEE
VCC
RIN
ROUT
BIAS
LOUT
LIN
MUTE
OUT
3
SHDN
REF
+V
CS
EXT
GND
5
GND
CE
C1+
C1-
VIN
VOUT
(CHASSIS)
(CHASSIS)
VIN
VSS
VOUT
MCLK
BICK
SDTI
LRCK
PDN
CSN
CDTI
CCLK
DZFL
DZFR
VDD
VSS
AOUTL+
AOUTL-
AOUTR+
AOUTR-
(CHASSIS)
GND
VCC
(2/2)
SHORT
SOCKET
LITHIUM
BATTERY
DETECT
VOLTAGE
HEADPHONE AMP
MUTING
HEADPHONE
MUTING
Q170,270
MIX AMP
1
4
2
3
8
7
6
5
MUTING
CONTROL
SWITCH
+5V REGULATOR
-5V REGULATOR
I
O
G
SWITCHING
REGULATOR
SWITCHING
O
G
I
BUFFER
(CHASSIS)
D/A CONVERTER
S
PHONES
DC
IN
9V
-2
-1
ANALOG
OUT
PHONE
LEVEL
+3.3V REGULATOR
L22
µ
H
(Page 44)
46
46
MDS-NT1
1-682-709-
12
(12)
PANEL BOARD
(CONDUCTOR SIDE)
PANEL BOARD
(COMPONENT SIDE)
1-682-709-
12
(12)
K
A
K
A
C
MAIN BOARD
CN104
A
B
C
D
1
2
3
4
5
6
K
A
D731, 751
(REC)
(PLAY)
N
/>
x
/Z
(CHASSIS)
Net MD
Ref. No.
Location
D731
A-6
D732
C-4
D751
A-1
Q731
B-5
Q732
B-3
Q751
B-1
• Semiconductor
Location
6-11. PRINTED WIRING BOARD – PANEL Board –
(Page 42)
47
MDS-NT1
6-12. SCHEMATIC DIAGRAM – PANEL Board –
CN704
R726
R702
R731
C748
R751
R732
D751
D732
TP701
S726
S702
7P
4.7k
2.2k
150
0.1
150
150
SML-010MT-T87
SEL5820A-TP15
KEY0
LED1
LED2
PANEL.GND
LED3
KEY1
SYS+3.5V
(PLAY)
Net MD
(CHASSIS)
Q732
UN5211-TX
LED DRIVE
Q751
UN5211-TX
LED DRIVE
D731
SML-010VT-T87
(REC)
Q731
UN5211-TX
LED DRIVE
(Page 44)
48
MDS-NT1
• IC Block Diagrams
– BD Board –
– BD Board –
IC101
CXA2523AR
–1
–2
+
–
–
IVR
BB
+
–
–
IVR
AA
+
–
–
IVR
CC
+
–
–
IVR
DD
+
–
–
IVR
+
–
–
EE
EE'
EFB
TESW
PTGR
48
MORFO
47
MORFI
46
RFO
45
OPN
44
OPO
43
ADDC
42
COMPP
41
COMPO
40
AGCI
39
RF AGC
38
RF
37
PEAK
36 BOTM
35 ABCD
34 FE
33 AUX
32 ADFG
31 ADAGC
30 ADIN
29 ADFM
28 SE
27 CSLED
26 TE
25 WBLADJ
24
VCC
23
3TADJ
22
EQADJ
21
VREF
20
F0CNT
19
XSTBY
18
XLAT
17
SCLK
16
SWDT
15
TEMPR
14
TEMPI
13
GND
12
APCREF
11
APC
10
PD
9
F
8
E
7
D
6
C
5
B
4
A
3
VC
VI CONV
BGR
VREF
SCRI - PARA
DECODE
+ –
–
+
AUXSW
COMMAND
+
–
–
IVR
GSW
+
–
–
FF
FBAL
FF'
TG
SEA
–
+
–
+
–1
–2
TG
TEA
WBL
3T
EQ
–
–
+
+
+
+
–
–
–
–
–
–
DET
ADIP
AGC
WBL
BPF22
BPFC
ABCDA
FEA
WBL
ATA
–
+
CVB
+
–
RFA1
–
–
–
–
1
2
–
–
–
–
–
1
2
2
GRVA
OFST
RFA2
GRV
HLPT
PTGR
–2
–1
–1
–2
BOTTOM
PEAK
RF AGC
EQ
EQ
DET
P-P
WBL
3T
WBL
TEMP
PBH
–
+
+
USROP
+
–
–
USRC
3T
BPF3T
PEAK3T
1
I
2
J
RFA3
PBSW
AUX
SW
IV
ESW
EBAL
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