Block diagram – main section, Swdt, Sclk – Sony MDS-S50 User Manual
Page 34: Xlatch, Mnt1 (shock), Mnt2 (xbusy), Dig-rst, Sqsy, Dqsy, Ldon
MDS-S50
34
34
J150
X550
45.1584MHz
1
5
6
2
4
PC LINK
J800
+5V
I2CDATA
I2CCLK
EXTON
XBUSY
+5V
61
66
60
1
3
A
B
ROTARY
ENCODER
4
5
.
AMS >
PUSH ENTER
S713
S701 – 705, 711, 712,
S714, 715, 721 – 724, 726
FLUORESCENT INDICATOR TUBE/LED
LED DRIVE
Q751, 755
GRID DRIVE
Q767
STANDBY
MDLP
D751
FLUORESCENT INDICATOR
TUBE
FL711
MUTING
Q180, 281
MUTING
CONTROL SWITCH
Q380
+3.3V
REGULATOR
Q356
D421
D422
BT420
LITHUM
BATTERY
+5V
+3.3V
MD
MECHANISM
DECK SECTION
BACK UP
+3.3V
SYSTEM +3.3V
MUTING
Q190, 290
MUTING
Q791, 792
PHONE
LEVEL
RV791
PHONES
J791
–1
–2
L
R
L
R
ANALOG
IN
ANALOG
OUT
RECT
D461, 462
RECT
D471, 472
D476, 477
LOADING
MOTOR DRIVER
(IC440) B+
UNREG +12V
UNREG –12V
ANALOG
LINE OUT
CIRCUIT
–32V
FL/LED DRIVER
(IC761) B–
AC
(TO FL771)
TR900
MAIN POWER
TRANSFORMER
LINE
FILTER
LF900
RY910
TR950
SUB POWER
TRANSFORMER
RECT
D401 – 404
RECT
D431, 432
ADDT
DADT, BCK, LRCK
SWDT, SCLK
1024FS
DADT
BCK
LRCK
SWDT
SCLK
X22
10MHz
GND
SW
AC F-1
AC F-2
•
SIGNAL PATH
: PLAY (ANALOG OUT)
: REC (ANALOG IN)
AC IN
D481
D412
BUZZER
DRIVE
Q793
S831
BEEP
ON
OFF
+
BUZZER ON/OFF
SWITCH
Q496, 497
BP791
(BUZZER)
(EXCEPT US, Canadian)
POWER ON/OFF
RELAY DRIVE
Q910
OSC
D755
+3.3V
+5V
A/D, D/A
CONVERTER
(IC500) B+
VOLTAGE
SELECTOR
S951
Singapore,
Brazilian
EXCEPT
Singapore,
Brazilian
C769,
R769
6-2.
BLOCK DIAGRAM – MAIN Section –