Main Section - Sony MDS-PC1 Service Manual

MDS-PC1
DIGITAL
INPUT SELECTOR
IC315
– MAIN SECTION –
1
DIN 8
13
DIGITAL
2
OUT
1 IC352
DOUT
ADDT
DADT
SCTX
XINT
BCK
20
BCK
LRCK
LRCK
512FS
512FS
5 SQSY
SQSY
18 DQSY
DQSY
SLOCK
76
MNT3 (SLOCK)
MNT3
XBUSY
68
MNT2 MNT2 (XBUSY)
66 MNT1 (SHOCK)
MNT1
77 MNT0 (FOK)
MNT0
65 SENS
SENS
SRDT 32 SRDT
33 SCLK
SCLK
SWDT 31 SWDT
XLAT 71 XLATCH
SCLK
SWDT
XLAT
BD
SECTION
LIMIT
74 LIMIT-IN
REFLECT
70 REFLECT
PROTECT
PROTECT
72
CHACK IN
51 CHACK IN
PACK-OUT PACK-OUT
53
PB-P 60 PB-P
REC-P 59 REC-P
LDON 69 LDON
WRPWR 75 WR PWR
MOD 73 MOD
LOAD-IN 2 DRIVE 5 54 LDIN
LOAD-OUT 6
10 DRIVE 55 LDOUT
4
LOADING MOTOR
DRIVE
IC311 LOADING
SW 56 LD LOW
Q311, 312
78 SDA
SDA
SCL 79 SCL
XRST 67
DIG-RST
13
X402
09
7MHz
BUFFER
IC314 (1/2)
2 1
4 3
IC353
12
DIGITAL
3
5
IN
BCK
LRCK
512FS
DADT
27
80 86
ADA RES 48 18 RES
16 DPD
RESET
SYSTEM RST 12 3 RST
IC502
SWDT
SCLK
XLAT
AMUTE 49
CONTROL A1 OUT 87
CONTROL A1 IN 7
MONO/ST
100
KEY0 97
95
KEY1 MATRIX
SW
94
KEY2
TIMER SW 91
SOURCE SW 88
JOG1 21
22
JOG0
LEVEL SHIFT
+3.3V
Q203
(DIN)
SYSTEM CONTROL
IC401
D701
LED DRIVE
LED0 (POWER) 83
Q701
STANDBY
SIRCS
REMOCOM 3 RM
6 RECEIVER
IC702
DISPLAY DRIVER
IC701
S1 4
FLCLK 37 62 SCK
FLDATA 35 63 SDATA
FL701
S36 39
FLUORESCENT
34 61 CS
FLCS
INDICATOR
D1 40
TUBE
RST
P DOWN 19 60
D15 54
CLOCKSET1 82
CLOCKSET0 81
50
STBY
15
– 47 –
A/D, D/A CONVERTER
IC201
INLM
55
INLP
56
A/D
I/O
INRP
CONVERTER
1
INRM R-ch
2
10 11 15
X201
22MHz
25 28 26 22 35 36
+ L1
41
– L2
39
D/A
I/O + R1
CONVERTER
30
R-ch
– R2
32
CPU INTERFACE
19 20 21
CONTROL A1 DRIVER
Q485
PH +5V
+3V +3V REG
5 1
SWITCHING REG
(BD) IC192
PH +5V 1 +5V REG
SYS +3.3V 5 +3.3V REG
ANA +5V 4
+5V REG
6
BACK UP
AC
BA501
LITHIUM
BATTERY
12 2
BACK +3.3V
RV702
REC LEVEL
24 23 26 25
FRONT-END
IC101
17
15 LPF 14 1
16
MUTE
4
MUTE
SW
Q306
+B
RECT
+6V REG
+6V 1 3 D001,
IC541
D002
IC501
3
RECT
D007,
D008
+B RECT
D005,
006
RECT
–B D003,
004
–6V REG
–6V 3 2
FL701
IC551
BUFFER
IC314 (2/2)
–32V REG RECT
3 1
–32V
IC310 D009
10 13
• R-CH is omitted.
• SIGNAL PATH
: PB
: REC
:PB(Digital out)
:REC(Digital in)
• Abbreviation
SP :Singapore model.
– 48 –
22 21 L
IN
R-ch R
J101
LINE
(ANALOG)
R-ch R
OUT
L
MUTE
Q102
HEADPHONE
AMP
RV701
J701
IC308
R-ch PHONE LEVEL
PHONES
3 1
R-ch
J401
S-LINK
CONTROL A1
J702
CONTROL A1
TR001
POWER
TRANSFORMAER
AEP,UK
MAIN
POWER
S301
AC
IN
SP
AC
VOLTAGE
SELECTOR
S301
AC