Block Diagram - Display/Key/Power Supply Section - Sony MDS-DRE1 Service Manual

MDS-DRE1
6-4. BLOCK DIAGRAM – DISPLAY/KEY/POWER SUPPLY Section –
FL DRIVER CONTROL,
KEY CONTROL, LED DRIVE
J851
FOOT SW
FSW1
2
REC/PAUSE
FSW0
1
PLAY/PAUSE
JOG DIAL
24 JOG0
DETECT SENSOR
23 JOG1
PH381, 382
A
1 25 JOGA
ROTARY
S305
B
ENCODER 3 26 JOGB
≠ AMS ±
PUSH ENTER
4 5
S301 – 304, 306,
S311 – 316, 361 – 365,
S371 – 376
PAD UNIT
LED DRIVE
IC421, 431
RV392
PITCH 97 KEY-CONT
RV391
SPEED 95 SPEED-CONT
05
FL DRIVER
IC201 IC101
SWDT 31 16 SDATA
SCLK 33 15 SCK
FLCS 34 14 CS
FL-RES 46 13 RST
D102
D101
RESET 12
21 20
OSC
C107, R101
D364 – 366
LED DRIVE
LED-PP 30
Q363, 364
PLAY/PAUSE
D361 – 363
LED DRIVE
LED-CUE 29
Q361, 362 CUE
D371
LED DRIVE
LED-R.PAUSE 28
Q371 REC PAUSE
S601
INPUT
ANLG
INPUT-SEL0
88
COAX
INPUT-SEL1 87
OPT
XIN 15
X201
10MHz
XOUT 13
FAN MOTOR
M801
M
35 36 37 38 20 DRIVE
(FAN)
Q801, 802
36 35 37 38 34 87
SYSTEM CONTROLLER
IC101 (4/4)
– 27 –
(Page 25)
Q
FLUORESCENT
INDICATOR TUBE
FL101
+5V
MD SERVO SECTION B+
HEAD/PWM +5V
POWER DOWN
DETECT
IC431
LDDRV +7V
LOADING MOTOR
DRIVE (IC901) B+
SYS +5V
MCU +5V
SYSTEM CONTROLLER
(IC101) B+
+5V
A/D, D/A CONVERTER
(IC301) B+
7 51 12
+5V/+7V REGULATOR
IC411
+5V
REGULATOR OUT 7V
10
IC191
VCC 7
OUT 5V
6
1 2
+5V +10V
RECT
DIG +5V REGULATOR REGULATOR
D205, 206
IC421 IC422
D432
RECT
D207, 208
D431
2 INI
RESET SIGNAL
VCC 5
GENERATOR
IC451
3 RST
+5V/+7V REGULATOR
IC401
OUT 7V
10
RECT
VCC 7
D210, 211
OUT 5V
6
D451
1 2
D453
BT451
LITHIUM
BATTERY
–32V
–32V
RECT
REGULATOR
FL DRIVER (IC101) B–
D209
IC501
B+
HEADPHONE
AMP (IC751)
B–
+5V
REGULATOR
IC302
+6V
REGULATOR
A+6V
RECT
IC301
D201 – 204
–6V
A–6V REGULATOR
IC302
TO FL101
– 28 –
T901
POWER
TRANSFORMER
S801
U
(POWER)
NOISE
FILTER
~ AC IN
AC
AC