Block Diagram - Display/Power Supply Section - Sony HCD-EP505 Service Manual

HCD-EP505
Ver 1.1
6-4. BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
CD-EN, TU-EN
I
(Page 16)
(AEP, UK, CH)
FM ON/OFF
D
(Page 15)
REMOTE CONTROL
RECEIVER
X302
ROTARY
X303
ENCODER
VOLUME
X303
SW301 – 317
LIQUID CRYSTAL
DISPLAY
CN301
(HK)
(EXCEPT AEP, UK, CH)
AM FREQUENCY
STEP SELECT
SW501
SWITCH
AM FREQ
Q307
STEP
10kHz 9kHz
AM FREQUENCY
+5V STEP SELECT
SWITCH
Q308
(EXCEPT AEP, UK, CH, HK)
SWITCHING
G
(Page 16)
(EXCEPT US, CND)
(EXCEPT AEP, UK, CH, HK)
(AEP, UK, HK, CH)
CD-EN
(EXCEPT AEP, UK, CH)
FM/AM PLL B+
(CH)
FM/AM PLL B+
(AEP, UK) FM/AM PLL,
SYSTEM CONTROLLER, RDS DECODER B+
LIQUID CRYSTAL DISPLAY DRIVER
IC301 (3/3)
TU-EN
85 REMOTEIN
TAPE DECK SECTION B+
D901 – 903
97 ENCODERA
(LCD BACK LIGHT)
98 ENCODERB
M12V
CAPSTAN/REEL MOTOR B+
(AEP, UK, CH)
FM CIRCUIT B+
60 SEG28
61 SEG29
62 SEG30
PWRFAIL 86
63 SEG31
64 SEG32
RESET
RESET 84 SWITCH
Q306
POWER 22
SWITCHING
Q301
7
RDSDATA
RDSCLK 87
+8V
8V (CD)
REGULATOR
CD BLOCK B+
Q802, 803
D802
REGULATOR
CONTROL SWITCH
Q804
+5V REGULATOR B+ SWITCH
Q405 Q406, 407
(AEP, UK, CH)
B+ SWITCH
Q406
+9V
9V
REGULATOR
U801
(AEP, UK, CH)
(EXCEPT AEP, UK, CH)
+12V
REGULATOR
Q805
+12V
VT12V B+ SWITCH
REGULATOR
Q401, 402
Q808
5V (CPU)
SYSTEM CONTROLLER,
EEPROM B+
RESET SIGNAL
GENERATOR
IC304
(AEP, UK)
BUFFER RDATA
(Page 15)
A
Q302
RCLK
18 18
POWER
TRANSFORMER
(MAIN)
T201
B+ AMP RECT
POWER AMP B+ D202, 204
RE201
RECT
D206, 208
POWER ON/OFF
RELAY DRIVE
+5V
REGULATOR
Q801
POWER
D801
TRANSFORMER
(SUB)
T202
RECT
D212, 213,
D216, 218
LINE
FILTER
L201
AC IN
Q205, 206
D804