Schematic Diagram - Main Section (1/2) - Sony D-NE240 Service Manual

D-NE240/NE241/NE241CK
Q Q
3 7 6 3 1 5 1 5 0
6-4. SCHEMATIC DIAGRAM – MAIN Board (1/2) –
R322
1M
CN501
16P
C
E
A
B
R613
F
CD
R602
VCC
MECHANISM VC
C602 47 6.3V
GND
BLOCK
C603
GND
0.01
PD
CDM-3525A
LD
(1/2) NC
F+
T+
T E
L 1 3 9 4 2 2 9 6 5 1 3
T-
F-
A1
A2
(Page 13)
w w w
D-NE240/NE241/NE241CK
• See page 8 for Waveforms. • See page 14 for IC Block Diagrams.
Q321
(1/2) UMB2N-TN
FILTER SWITCH
-1-2
C320 C321 C322 C323
0.047 0.047 0.047 0.047
R320 R321 Q322 RB331 Q323 R326 R327
220 220 UMH8N 1k UMH8N 2.2k 2.2k
LOW-PASS LOW-PASS
FILTER FILTER
-1-2 -1-2 -1-2
R323 R328
1M 1M
RB601
10k
C402
0.01
RB602
10k
68k C623
470
2.2 6.3V Z623
C612
0.1
C607
47 C605
6.3V 0.1
Q601 R615
2SA1602TP-1EF 68k
C615 2200p
F+
AUTOMATIC
C609 2200p
T+
POWER
CONTROL
T-
C601
F-
R603
47
4.7
6.3V C606 0.1 R606 220k
C610 R614 470
R604
4.7
100k
50V C611 0.22
FDOUT
TDOUT
SDOUT
C604 0.1
CLVOUT
R617 100
CLK
CKE
A13
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LPF_SW3
RB303 RB304
470 470
Q324 C324
UMH8N 0.47
LOW-PASS
FILTER Q320
2SA2018TL
C101 C201 C102
FILTER RB330
2200p 2200p 1000p
47k
SWITCH
R621
RB620
R329
10k
1M
R626 C631 C629
220 0.1 2.2 C628
10 C625
16V 2.2
C624 0.1
C618
470p
Z601
TP604
(RF)
AVDD1 XI
AC DGND2
BD TESET
VBIAS RESTB
AGND1 CLK88
E CLK
F Q Q SUBSYQ
3 7
PD BUSY
RF AMP,SERVO,DIGITAL SIGNAL PROCESSOR,
LD ,SD-RAM CONTROLLER,D/A CONVERTER MCK
IC601
ASY DIN/DOUT
BU9541JKV
PCO R/W
FCO VDD_CORE2
FDOUT DQ00
TDOUT DQ01
SDOUT DQ02
CLVOUT DQ03
RCLK DQ04
RCKE DQ05
A13 DQ06
A12 DVDD1
+1.5V REGULATOR
IC603
BH15FB1WG-TR
C633 C642
0.1 1
C626
0.01
u 1 6 3
y
12 12
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2 4
8 9 9
R410
1
Z405
R304
C105 R103 1M
2.2 22k
HEADPHONE AMP
IC301
BH3544
C205 R203
2.2 22k
R305 OUT1
220k VCC
LPF_SW2 XHP_MUTE
XMUTE
OUT2
C304
C202 IN1
100
1000p BIAS
6.3V
GND
IN2
C208
C303
470p
1
Q602
RT1N140M-TP-1
BUFFER
C305
R619 RB305 C301 C110
47
100k 22k 0.1 1000p
6.3V
C108
470p
C630 10 16V
C210
1000p C204
220 RB301
6.3V 1k
R618 R622 R201
1M 220 10
X601
16.9344MHz
C619
0.1
R624
100k SD-RAM
RESTB
IC602
M12L16161A-7T(J)
CLK88
FB602 CLK
VCC
R811 VSS
SUBSYQ DQ00
100k DQ0
DQ15
BUSY
6 3 1 5 1 DQ01 5 0 8 9
DQ1
DQ14
MCK
VSSQ
VSSQ
DIN/DOUT DQ02
DQ2
DQ13
R/W DQ03
DQ3
DQ12
VCCQ
VCCQ
DQ00 DQ04
DQ4
DQ11
DQ01 DQ05 DQ5
DQ10
DQ02 VSSQ
VSSQ
DQ03 DQ06 DQ6
DQ9
DQ04 DQ07
DQ7
DQ8
DQ05
VCCQ
VCCQ
DQ06 LDQM LDQM
NC
WE XWE
UDQM
CAS CAS
CLK
C637 RAS RAS
0.1 CKE
FB605 XCS
NC
A11 A11
A9
C632 A10 A10
10 A8
A00
A0
A7
A01
A1
A6
A02
A2
A5
A03 A3
A4
VCC
VSS
C634 C627
1 Z632 4.7
m
c o
.
2
8 9 9
A3
(Page 13)
R101
10
C104
220
R211
6.3V
10 L201
J301
R111 L101
10 C106 VDR201 C206
0.22 0.22
2200p
R102 VDR101 R202
2.2 2.2
2200p
FB301
DQ00
2 4 DQ01 9 8 2 9 9
DQ02
DQ03
DQ04
DQ05
DQ06
DQ07
UDQM
CLK
CKE
A09
A08
A07
A06
A05
A04
C640
4.7
Z407
A6
Z403
Z402
A7
A8
(Page 13)