Block Diagram - Power Section - Sony HCD-CP33 Service Manual

HCD-CP33
7-4. BLOCK DIAGRAM – POWER Section –
SYSTEM CONTROL
IC306(3/3)
S801-807
S809-822
89 KEY0
FUCTION
KEY
91
KEY2
RV801
86 VOL A
VOLUME
87
VOL B
RV802
TREBLE A
84
TREBLE
85 TREBLE B
RV803
82 BASS A
BASS
83 BASS B
IC802
+5V
REMOTE
2 CONTROL 1 88 SIRCS
RECEIVER
SUB XIN
10
X801
4.19MHz
SUB XOUT
11
15 XIN
X802
32.kHz
XOUT
13
16
RESET
MD E
SECTION
P DOWN
(Page 36)
LCD801
LIQUID CRYSTAL
DISPLAY PANEL
LCD SDA 35
LCD SCK 37
LCD CS 40
LCD RS 39
LED +8V
D601-604
+B SW
LCD
Q326,328
BACK LIGHT
Q328
CASSETTE
+B SW
HOLDER
Q324,325
BACK LIGHT
TC B/L CONT 63
Q851-855 D851-855
Q859-862,870 D857,858,860
72
LED
LED
SIGNAL
81 DRIVER
POWER ON 4
TU ON 56
FM ON 55
CD ON 48
S/B CONT 61
D328
RESET
12
AC CUT 1
D320
µCOM +B
Q315
RELAY
DRIVE
Q316
D307
LCD +B
D319
LED +B
Q333,334
TU +9.5V
Q307,308
TU +7.5V
Q305,306
IC301,304
+B
+12V
TC +8V
TC -8V
CD +8V
(UNSW)
CD D+5V
CD A+5V Q310,311
LED +8V
Q337
M +5V
D316
A +3,3V
D315
SYS +3,3V
D314
BU +3,3V
SWITCH
Q317
BT301
IC308
RESET
RESET
SWITCH 3 5
Q313
S301
RESET
RESET
SWITCH
Q319 IC316
D322
3 RESET
1
D326
D325
D318
38 38
RY901
+5V REG SWITCHING
T901
Q340 Q322
POWER TRANSFORMER
D907-910
D303
PWR +B
+B SW
Q303
SUB 230V
WRP -B
230V
115V
+B SW COM
Q304
+B SW
D911-914
Q338,339
IC310
+12V
3 1
REG
IC311
+8V
3 1
REG
D915
IC312
-8V
3 2
REG
IC313
+8V
3 1
REG
+B SW
Q309
+B SW
Q335
IC314
+5V
3 1
REG
REG
Q312
S901
VOLTAGE
SELECTOR
220-240V
JW902
110-120V
RY901
JW918
LINE
AC
JW901 FILTER
IN
LF901
JW917
S901,JW901,JW902:US,CND
JW904:AEP,UK,AED,AUS,KR,TH
RY901:US,CND,AEP,UK,AED,AUS,KR,TH
LF901:US,CND,AEP,UK,AED,AUS,KR,TH,TW
JW917,JW918:E,JE,AR,SP,MY,HK