Main Section - Sony MDS-JE700 - Mini Disc Player Service Manual

MDS-JE700
DIGITAL
DATA SELECTOR
IC356
— MAIN SECTION —
IC0
DIN 7 1Y
IC1
IC2
DIGITAL
A A B B
OPTICAL OUT
DOUT 1 IC352 14 2
ADDT
DADT
SCTX
XINT
BCK
12 89
BCK
LRCK
LRCK
512FS
512FS
15 SQSY
SQSY
16 DQSY
DQSY
SLOCK
42
MNT3 MNT3
XBUSY
41 MNT2
MNT2
33 SHOCK
MNT1
77
MNT0 FOK
32 SENS
SENS
SRDT 69 SRDT
SCLK 67 SCLK
SWDT 68 SWDT
90 XLATCH
XLAT
SCLK
SWDT
XLAT
BD
SECTION
LIMIT
96 LIMITIN
REFLECT 98 REFLECT
PROTECT
97 PROTECT
CHUCK IN 6 CHUCK IN
PACK-OUT 8 PACK OUT
PB-P
38 PLAY P
REC-P 37 REC P
SYSTEM CONTROL
75
LDON LDON
WRPWR 80 WRPWR
MOD 86 MOD
LOAD-IN 2 DRIVE 5 95 LOAD IN
LOAD-OUT 10 DRIVE 6 94 LOAD OUT
4
LOADING MOTOR
DRIVE
IC351 LOADING
SW
39 LOAD V
Q351,352
SDA 52 SDA
SCL 53 SCL
XRST 81 DIG-RST
27 28
09
X402
12MHz
BUFFER
IC355
DIGITAL
6 12 13 3 IC353
OPTICAL IN1
DIGITAL
4 10 3 IC354
11
OPTICAL IN2
ADDT
J352 12
DIGITAL
5 8 9
COAXIAL IN
BCK
LRCK
512FS
25 28 26
DADT
27
84 85
DA-RST 83 18
INIT
16 DPD
SWDT
SCLK
XLAT
46
CNTRL A1 OUT AMP
17 Q353
CNTRL A1 IN
D351
J350
CONTROL A1
93
AMUTE
KEY0 3
KEY1 4
MATRIX
5
KEY2
SW
TIMER SW 9
SOURCE SW 10
JOG1 50
51
JOG0
54
FS32
LED DRIVE
FS44 55 D701 - 703
Q701 - 703
FS48 56
IC401
D750
LED DRIVE
LED0 43
Q750,751
POWER
SIRCS
REMOCOM 14 3 RM
RECEIVER
IC731
AC
DISPLAY DRIVER
IC730
S1 4
FLCLK 71 62 SCK
FLDATA 72 63 SDATA
FL730
S36 39
FLUORESCENT
FLCS 73 61 CS
INDICATOR
40
D1
TUBE
POWER DOWN 13 60 RST
D16 55
VBAT 23
SYSTEM-RST 20
STB 36
25 24
X401
32.768KHz
— 39 —
A/D, D/A CONVERTER
IC304
INLM
55
INLP
56
A/D
I/O
INRP
CONVERTER
1
INRM R-ch
2
10 11 15
X301
22MHz
22 35 36
+ L1
41
– L2
39
D/A
I/O
+ R1
CONVERTER
30
R-ch
– R2
32
CPU INTERFACE
19 20 21
BUFFER
IC101
1
13 12
9
11 10
+3V
+3V REG
5 1
SWITCHING REG
(BD) IC192
IC901
PH +5V 1 +5V REG
SYS +3.3V 5 +3.3V REG
ANA +5V 4
+5V REG
6
BACK UP
12 2 9 8
POWER
ON/OFF SW
Q350, 402
LINE AMP
IC301
26 25 24 23 7 5
FRONT-END
IC302
17
LPF 14 1
15
16
MUTE
MUTE
4
Q101
R-ch
CURRENT PULSE
IC102
IC303
MUTE
2 22
SW
Q301
36
3 4 23
ECL
SWITCHING LPF
CIRCUIT
8 26
35
5 6 25
• R CH is omitted.
• Signal path
+B
RECT
+6V REG
+6V 1 3 D905,
IC903
906
3
TRANSFORMAER
RECT
D903,
+B
904
RECT
D901,
902
RECT
–B D907,
908
AC
7
–6V REG
–6V 3 2
FL730
IC904
AC
–32V REG
–32V 3 1
IC902
— 40 —
RV780
REC LEVEL
L
IN
R-ch
R
J301
LINE
(ANALOG)
R-ch R
OUT
L
HEADPHONE
AMP
J771
IC770
PHONES
5 7
R-ch
RV770
PHONES LEVEL
: PB
: REC
: PB (Digital out)
: REC (Digital in)
T901
POWER
AEP, UK
MAIN POWER
S951
AC
IN