Sony SS-CEP50 - Block Diagram - DISPLAY;POWER SUPPLY Section

HCD-EP50
1818
SYSTEM CONTROLLER,
LIQUID CRYSTAL DISPLAY DRIVER
IC301 (3/3)
POWER ON/OFF
RELAY DRIVE
Q605, 606
POWER
TRANSFORMER
(MAIN)
T601
LINE
FILTER
L601
AC IN
POWER
TRANSFORMER
(SUB)
T602
RE601
B+ AMP
POWER AMP (U11) B+
D16
D8
D18
D19
CD-EN
TU-EN
D318
D35
RESET
12
PWRFAIL
14
D701 – 709
(LCD BACK LIGHT)
REMOTE CONTROL
RECEIVER
X302
13
REMOTE
FM ON/OFF
CD-EN, TU-EN
ROTARY
ENCODER
X303
ENCODERA
25
ENCODERB
26
SEG30 (SEL6)
90
SEG31 (SEL7)
91
SEG37
97
SEG32
92
SEG29
89
SEG28
88
28 – 32
COM0 – COM3
KEY1 – KEY5
51 – 54
SEG0 – SEG27
60 – 87
SW301 – 317
X303
VOLUME
LIQUID CRYSTAL
DISPLAY
CN301
RECT
D606, 608
RECT
D612, 613,
D616, 618
RECT
D602, 604
+8V
REGULATOR
Q9, 12
8V (CD)
CD BLOCK B+
9V
TAPE DECK SECTION,
LA1837 (U1) B+
M12V
CAPSTAN/REEL MOTOR B+
VT12V
FM CIRCUIT B+
5V (CPU)
SYSTEM CONTROLLER (IC301),
EEPROM (IC302),
94HC4094 (U15) B+
REGULATOR
CONTROL SWITCH
Q15
+12V
REGULATOR
Q47
+5V
REGULATOR
U8
+12V
REGULATOR
U7
+9V
REGULATOR
U10
FM/AM PLL (U2) B+
RDS DECODER
(IC305) B+
RESET SIGNAL
GENERATOR
IC304
RDSCLK
15
RDSDATA
35
POWER
RDATA
RCLK
50
RESET
SWITCH
Q306
D303 D302 D301 D304
SW1
D307
A
(Page 15)
I
(Page 16)
G
(Page 16)
D
(Page 15)
-1-2
AM FREQ
STEP
9kHz 10kHz
SWITCHING
BUFFER
Q302
SWITCHING
Q301
B+ SWITCH
Q303
B+ SWITCH
Q4, 10
B+ SWITCH
Q4, 10
B+ SWITCH
Q19, 20
( AEP, UK)
( AEP, UK)
EXCEPT AEP,
UK, Chinese
EXCEPT AEP,
UK, Chinese
AEP, UK,
Chinese
6-4. BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
Ver 1.1