Schematic Diagram - Main Board (1/4) - Sony WX-7700MDX Service Manual

WX-7700MDX
5-15. SCHEMATIC DIAGRAM – MAIN Board (1/4) – •
(Page 32)
CNP370
30P
A_GND
A_5V
DR_GND
DR_GND
DR_6V
DR_6V
D_GND
D_5V
TSO
TDSPSI
TSI
TDSPSO
TSCK
TSCK
SELF_SW
SELF_SW
PACK
PACK
TSTB
TSTB
RFOK
RFOK
FB505
Q375
2SB1449R/S-DL
Q376
2SC2712
R370 R374
470 4.7k
Q375,376
+6V
REGULATOR
C377
100
C371
16V
0.01 D372
MA8068-L
C373
100 C374 D373
-1 -2
16V 0.01 MA111
Q374
XN1211
REGULATOR CONTROL
SWITCH
CN4
2P
GND
MAIN
ANT
R21
0
R20
0
(CHASSIS)
TU1
TUX-020
(TUNER UNIT) C25 0.022
R10 C24
AM ANT IN
6.8k 0.047
C28
FM ANT IN C26 R11
4700p 100k
ANT GND
C32
FM AGC
0.1
VCC 8.5V
C33 Q2
GND 10 2SD1664
16V
+5V
SW SHIFT
REGULATOR
R13
AM DET
0 R31
D1
0
RDS MA8056
-H
MPX
R14 0
BU5V
R15 100
DAT IIC
R16 100
CKL IIC
S-METER
C31 0.047
GND
VDD(5V)
C39 0.47
DAT-EEP
CKL-EEP
NCO
•
See page 52 for Waveforms. See page 55 for IC Block Diagrams.
C334 C335
100p 47p
IC504
C336
TC74VHC157
100p
CD_LRCK XS24
LRCK SEL VCC
FB507
BCK 1A ST
CD_DATA MD_BCK
D_DATA 1B 4A
384FS 1Y
384FS 1Y 4B
EJECT CD_LRCK
EJECT 2A 4Y
LOAD MD_LRCK
LOAD 2B 3A
PH3 2Y
PH3 2Y 3B
PH2
PH2 GND 3Y
D_SW
D_SW
PH1
PH1
LIMIT
LIMIT
D371 MA111
EMPH
STB
STB
A0
A0
C542
XRST
15p
CD_RST
CD CLOCK SWITCH
IC503
TC7SET08FU
R512
330
GND
Q372
FB504
REGULATOR CONTROL
SWITCH
VCC
Q373
R373
2SD1802FAT
1k
+5V
-2
REGULATOR
Q500
C376 -2 XN1A312
0.1
-1 B+ SWITCH
-1
Q372
C375
XN1A312
0.01
-2
Q501
XN1A312
-1
CDM_ON B+ SWITCH
C17 C531
100 22
16V 20V
C18
0.1
L4 L5
10mH
10mH
C19
100
16V
SEM
MPX
C29
R12
1 1
47k
R7
1k
C16
0.1
IDA
ICK
R17
22k VSM
EE_DATA
EE_CLK
CD/MD
SELECTOR
FB509
CD_DATA
MD_DATA
C521
100p
C529
0.1
C522
0.1
C530
0.1 C520
1
C526
C541 0.1
22p
C524 R511
68p 330 FB503
PLCKL
XECKSTP
C525
AVDP
100p
VSS4
T.P
T.P
T.P
T.P
T.P
T.P
T.P
T.P
T.P
T.P
VDD4
AVSD
+3.3V REGULATOR C527
T.P
0.1
IC501
T.P
NJM2370U33
C528
T.P
CTL 0.1
AVDD
GND
VO
VI
C500
1
C534
C533
0.1
0.1
C532
47
16V
FR
CTL
VCC R104 C102
47k 680p R114 C111
R101 R100
OUT 47k 680p
10k 10k
C C101
680p
AA1 AA3
C100
22p
IC2
C103 R103 R102 C112 R113
BA00ASFP
10 6.8k 10k 10 6.8k
16V C108 16V
100p
+8.5V
REGULATOR
LOW-PASS
FILTER
IC100
NJM4580V
LOW-PASS
FILTER
IC101
C104
NJM4580E
10 R107
16V 10k
AA2
C107
R106 R105 C106
22p
47k 6.8k 680p
R108 R109
C105
10k 10k RR
680p
(Page 40)
38 38
R506
10k
R507 C518
1k 100p
C519 C517 C514
100p 1000p 0.1
R508
470
AVS6
AVD2
AVS2
C512
RREF 0.1
RIN
AVS8
AVD8
AOUTR2
AVSX
DIGITAL SIGNAL PROCESSOR,
XTLI38
DIGITAL FILTER,
R502 560
D/A CONVERTER XTLO38
FB502
IC500
AVDX
CXD2727Q-4
AOUTL2
AVD7
AVS7
LIN
LREF C504
0.1
AVS1
AVD1
AVS5
C501 C502
0.1 0.1
C538 C539
0.01 0.01
RL
R111 R110 R201 R200
R204 C202
10k 10k 10k 10k
47k 680p
C110 C201
680p 680p
AA4
C109 C200
22p 22p
R112 C203 R203 R202
10k 10 6.8k 10k
16V C208
100p
C535
100
16V
C540
LOW-PASS
0.01
FILTER
IC200
NJM4580V
C204
10 R206 R207
16V 6.8k 10k
AA5
C206 C207
C113
680p 22p
100p
R208 R209
R205 C205
10k 10k FL
47k 680p
A1
A2
A3
A4
R239 R141
3.9k 3.9k
C233 C138
C513 220p 220p
0.1
C507
0.1
R240 R142
3.9k 3.9k
C506
0.1 C234 C139
220p 220p
R241 R143
3.9k 3.9k
C235 C140
220p 220p
C511
R504 10 R242 R144
1.5M 16V 5.6k 5.6k
AA3
C509
18p
C508
18p
C505
10
16V
R500
2.2M
(Page 39)
A5
CTL
GND
VO
VI
IC502
NJM2370U33
+3.3V
REGULATOR
C536 C537
0.1 1
A6
DSP_ON
A7
A8
(Page 41)