Main Section - Sony mds-s38 Service Manual

DIGITAL
INPUT SELECTOR
IC315
— MAIN SECTION —
1
8
DIN
13
DIGITAL 4 • 5
OUT
OPTICAL
1 IC352
DOUT
ADDT
DADT
SCTX
XINT
BCK
BCK 12 89
LRCK
LRCK
512FS
512FS
15 SQSY
SQSY
DQSY 16 DQSY
SLOCK
42 MNT3
MNT3
XBUSY
41
MNT2 MNT2
33
MNT1 SHOCK
MNT0 77 FOK
32 SENS
SENS
SRDT 69 SRDT
SCLK 67 SCLK
68 SWDT
SWDT
90 XLATCH
XLAT
SCLK
SWDT
XLAT
BD
SECTION
LIMIT 96 LIMITIN
REFLECT 98 REFLECT
PROTECT PROTECT
97
CHUCK IN
6 CHUCK IN
PACK-OUT
8 PACK OUT
PB-P
38 PLAY P
REC-P 37 REC P
SYSTEM CONTROL
IC401
LDON 75 LDON
80 WRPWR
WRPWR
MOD 86 MOD
LOAD-IN 2 DRIVE 5 95 LOAD IN
LOAD-OUT 10 DRIVE 6 94 LOAD OUT
4
LOADING MOTOR
DRIVE
IC311 LOADING
SW 39 LD LOW
Q311, 312
SDA 52 SDA
SCL 53 SCL
XRST 81
DIG-RST
27 28
09
X402
12MHz
BUFFER
IC314
Tourist
IC354
DIGITAL
IN
2 1
3
OPTICAL 1
3
12 13
IC353
ADDT
EXCEPT Tourist 12
DIGITAL
IN
OPTICAL 1
10 11
Tourist
DIGITAL BCK
IN
LRCK
OPTICAL 2
512FS
25 28 26
DADT
27
85
ADARES 83 18
INIT
16 DPD
SWDT
SCLK
XLAT
AMUTE 93
KEY0 3
KEY1 4
MATRIX
KEY2 5
SW
TIMER SW 9
SOURCE SW 10
JOG1 50
JOG0 51
LEVEL SHIFT
REC/OTHER 34 +3.3V PH +5V
Q203
(DIN)
SWITCH
BEEP 82
Q781
LED DRIVE D701
LED0 43
Q701
POWER
SIRCS
REMOCOM 14 3 RM RECEIVER
IC702
AC
DISPLAY DRIVER
IC701
S1 4
FLCLK 71 62 SCK
FLDATA 72 63 SDATA FL701
S36 39
FLUORESCENT
FLCS 73 61 CS
INDICATOR
D1 40
TUBE
POWER DOWN 13 60 RST
54
D15
BACK 23
SYSTEM-RST 20
36
STBY
25 24
X401
32.768KHz
— 39 —
A/D, D/A CONVERTER
IC201
INLM
55
INLP
56
A/D
I/O INRP
CONVERTER
1
INRM R-ch
2
15
X201
22MHz
22 35 36
+ L1
41
– L2
39
D/A
I/O + R1
CONVERTER
30
R-ch
– R2
32
CPU INTERFACE
19 20 21
+3V +3V REG
1
5
SWITCHING REG
(BD) IC192
IC501
PH +5V 1 +5V REG
SYS +3.3V 5 +3.3V REG
ANA +5V 4
+5V REG
6
BACK UP
BA501
LITHIUM
BATTERY
12 2 9 8
POWER
ON/OFF SW
Q501, 502
RV702
REC LEVEL
24 23 26 25 22 21
R-ch
FRONT-END
IC101
R-ch
17
15 LPF 14 1
16
MUTE
MUTE
4
Q102
HEADPHONE
AMP
IC308
R-ch
3 1
MUTE
SW
Q306
• R CH is omitted.
• Signal path
: PB
: REC
: PB (Digital out)
: REC (Digital in)
+B
RECT
+6V REG
+6V 3 1 D017,
IC541
018
TR001
POWER
3
TRANSFORMAER
RECT
D001,
002
RECT
D005,
006
RECT
–B D003,
004
AC
7
–6V REG
–6V 1 3
FL701
IC551
AC
–32V REG RECT
–32V 3 1
IC310 D009
— 40 —
MDS-S38
L
IN
R
J101
LINE
(ANALOG)
R
OUT
L
J701
PHONES
RV701
PHONES LEVEL
R-ch
AEP, UK
MAIN POWER
S301
AC
IN
VOLTAGE
SELECTOR
S301
Singapore, Tourist