Block Diagram - Panel/Power Supply Section - Sony HCD-HX7 - Compact Disc Receiver Service Manual

HCD-HX3/HX5/HX7
6-5. Block Diagram – PANEL/POWER SUPPLY Section –
SYSTEM CONTROLLER
IC301 (5/5)
FL901
FLUORESCENT
INDICATOR TUBE
DA 73 FL SD
CP 71 FL SCLK
CS 72 FL CS
RESET 75 FL RESET
GRID DRIVE
1G, 12G VH B+
Q901, 902
Q1, Q12
VH
F+ +7V
D909
VDD EVER +3.3V
REMOTE CONTROL
RECEIVER 4 SIRCS
IC951
S951 – 954,
S961 – 963,
KEY0 – KEY2
S965 – 968,
S970 – 976
D218, 219
74 KEY WAKE UP
FL POWER ON
RV952 ROTARY
84 VOLUME JOG
ENCODER
VOLUME
(HX3)
LED DRIVE
76 USB LED
Q953
D952
USB MEMORY 77 BT LED
(HX3)
(HX5/HX7)
BLUETOOTH
(HX5/HX7)
D951 LED DRIVE
78 STBY LED
Q951
STANDBY
15 13
X302
5MHz
HCD-HX3/HX5/HX7
AC DET 85
VBUS
+5V
(HX3/HX5)
(HX5/HX7)
+3.3V
BT
REGULATOR
+3.3V
IC903
BT POWER 65
XM
+5.4V
(HX7)
+3.3V REGULATOR
+3.3V
IC702 (HX3/HX7)
(FOR ADC )
IC702 (HX5)
+5V
+9V
(FOR HP AMP)
+9V
B+ SWITCH
VH B+
IC901-2, Q904, 908
D903
70
+7V
+3.3V
(FOR IC311 –313)
+4V
+1.5V
+1.5V REGULATOR
IC201
D211
DVDD
+3.3V
D212
AVDD
+3.3V
CD ON 21
D213
USB
+3.3V
USB POWER 28
+1.8V REGULATOR
+1.8V IC704 (HX3/HX7)
IC704 (HX5)
AMP
+3.3V
+12V
STBY RELAY 80
µ-COM
+3.3V
EVER
+3.3V
RESET SWITCH
RESET 12
Q301
RESET SIGNAL
AC CUT 20 GENERATOR
IC302
10 11
+3.3V
B+ SWITCH
FOR
Q952
ROTARY ENCODER
X301
32.768kHz
SWITCHING
REGULATOR
IC319
B+ SWITCH
Q302, 323, 324
+5.4V
REGULATOR
IC309
+5V
REGULATOR
IC308
RIPPLE
FILTER
Q305
+9V
REGULATOR
IC305
DC/DC
CONVERTER
Q906, 907
HX3: AEP/HX5:
POWER CONTROL
AEP, UK/HX7
SWITCH
IC901-1, Q903, 905
D209
+7V
REGULATOR
IC306
HX3: Canadian/
D210
HX5: Canadian,
Australian, Korean
(HX3/HX5)
+4V
REGULATOR
IC307
D205 – 207
B+ SWITCH
Q312, 313,
325, 326
+12V
REGULATOR
IC12
B+ SWITCH +27V
Q327, 329, 330
D652 D33
(HX3/HX5)
D203
DC DETECT
Q651, 652
POWER ON/OFF
CONTROL SWITCH
Q650
D221
D220
22 22
VD 18
T31 SWITCHING
16 VG (H)
MAIN POWER Q12
TRANSFORMER
15 VS
RECT
D31
SWITCHING
12 VG (L)
Q11
9 OCP
D14
RECT
8 VC1
D32
ISOLATOR
2 F/B
PH11
1 VSENSE
POWER CONTROL
IC11
Q601
ISOLATOR
PH602
D603 5 DRAIN
4 VCC
POWER
T603
CONTROL
SUB POWER
IC601
TRANSFORMER
SHUNT
ISOLATOR
REGULATOR 2 FB
PH601
IC650
FEED BACK
SWITCH
Q615
(AC IN)
F1
TH1
RECT LINE FILTER
D1 T1