Block Diagram - Panel, Power Supply Section - Sony CMT-A70 Service Manual

CMT-A50/A70
Ver. 1.2
6-3. BLOCK DIAGRAM – PANEL, POWER SUPPLY Section –
LIQUID CRYSTAL
DISPLAY
LCD701
D702, 703
(LCD BACK LIGHT)
PUSH ENTER/MEMORY
S701 – 716,
S762 – 766
(FRONT PANEL KEYS)
CMT-A50/A70
SYSTEM CONTROLLER
IC309 (3/3)
LCD_AD0 - LCD_AD7
90 LCD_AO
88 LCD-CS
89 LCD-RES
91 LCD-WR
LED DRIVE
86 BLIT
Q702
CD-IMONITOR 24
ROTARY
25 M_VOL-A
VOLUME ENCODER
26 M_VOL-B
S722
ROTARY
43 JOG-A
ENCODER
44 JOG-B
S721
KEY-0 – KEY-2
REMOTE CONTROL
64 REMOCON-IN
RECEIVER
IC701
79 X1A
X301
32.768kHz
80 X0A
83 X1
X302
4.19MHz
82 X0
SHIFT
CLOCK
Q333, 335
53 SHIFT CLOCK
SUB +3.3V
41 SEL
78 INI
Q325
TU +9V
B+ SWITCH
RDS +3.3V
Q328
TUNER ON/OFF
RADIO 63 CONTROL
Q329
CURRENT
+4V
MONITOR
Q322
+3.3V
CD +3.3V REGULATOR
IC311, Q331
B+ SWITCH
Q319
CD +7V
CD ON/OFF
CD-ON 30 CONTROL
Q320
M +10V
T-MOT 75
A +9V
Q330
D701
LED DRIVE
Q701 STANDBY
RELAY 46
+1.5V
CD +1.5V REGULATOR
IC706
CD +3.3V
SUB +3.3V
UCOM +3.3V
RESET SIGNAL
RESET 77
GENERATOR
IC304
AC-CHK 54
22 22
B+ SWITCH
Q327
IC308 (US, CND)
IC308 (EXCEPT US, CND)
+4V
REGULATOR
B+ SWITCH
Q326
IC307 (US, CND)
IC307 (EXCEPT US, CND)
D309, 310
+7V
CD +6V
REGULATOR
IC306 (US, CND) D321, 322
IC306 (EXCEPT US, CND)
MAIN POWER
+10V
+10V
TRANSFORMER
REGULATOR
T601
RECT
MOTOR B+
+14V
SWITCH D602 - 605
Q317, 318
F601, 602
D320
AMP B+ RECT
AMP B– D601
B+ SWITCH
Q316, 321
POWER ON D506
RECT
MUTING
D507, 508
Q505
PW MUT
PROTECT
RELAY DRIVE
Q309, 312
SUB POWER
+3.9V
TRANSFORMER
REGULATOR
SUB +3.9V
T602
IC305
D325
RECT
SUB B+
D317 D611 - 614
D311
D312 D313
+4V
AC IN DETECT RECT
Q336, 337 D513, 514
D515
Abbrivation
CND : Canadian model
P-ON MUT,
PROTECT
B
(Page 21)
RY601
(AC IN)
F603
STBY
C (Page 21)