Block Diagram - Display/Power Section - Sony HCD-PX5 Service Manual

HCD-PX5
Q Q
3 7 6 3 1 5 1 5 0
6-4. BLOCK DIAGRAM – DISPLAY/POWER Section –
D771 – 776, 781 – 786
LCD BACK
LIGHT
VOLUME
T E
L 1 3 9 4 2 2 9 6 5 1 3
ENTER/YES
PUSH
D705
I/1
D706 – 713,
D717, 718
(Page 50)
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LIQUID CRYSTAL
DISPLAY UNIT
LCD600
DATA 7 LCD DATA
SCK 8 LCD CLK
STB 14 LCD CE
LED DRIVE
49 DIMMER
Q703
REMOTE CONTROL
93 SIRCS
RECEIVER
IC701
ROTARY
68 ENC VOL A
ENCODER
69 ENC VOL B
S701
S702 – 710, 712 – 725
SYSTEM CONTROLLER
IC506 (2/2)
ROTARY
ENCODER 70 ENC JOGA
S726
71 ENC JOGB
LED DRIVE
57 STBY LED
Q704
LED DRIVE
IC702
DATA 13 60 LED DATA TR RELAY 47
P2 CLK 14 61 LED CLK
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STB 15 62 LED CS
P16
CLR 16 64 LED-CLEAR
LCD ON/OFF 31
P.DOWN
K RESET 34
46 MD/CD POWER
05
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+7.5V
A+7.5V REGULATOR
IC911
A+12V
B+ SWITCH
CD A+5V
Q1101, 1102
Q Q
3 7 6
B+5V
CDM+5V
CD+5V
D506
A+3.3V
D505
SYS+3.3V
D507
BUP+3.3V
BT501
LITHIUM
D515
BATTERY
BUP +5V
LCD ON/OFF
LCD+5V SWITCH
Q601, 602
SYS+5V
RESET RESET SIGNAL
SWITCH GENERTOR
Q521 IC508
u 1 6 3
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52 52
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2 4
8 9 9
+10V
M+10V REGULATOR
Q800
THP501
+7V RECT
M+7V REGULATOR D961,
Q801 D963 – 965
THP503 RECT
+12V
D956,
REGULATOR
D958 – 960
IC912
+5V
MD+5V REGULATOR
IC917
D1109
3 1 5 1 5 0 8 9 2
D511
D1002
D1103
+6.1V
REGULATOR
IC916
T901
D1108 POWER
TRANSFORMER
+4V
RECT
REGULATOR
D971
IC919
AMP B+
RECT
D803
AMP B–
FAN +12V
D514
RELAY DRIVE
Q901
D524
+5.6V
RECT
REGULATOR
D942, 945
IC901
D519
(Hong Kong, Korean)
T902
POWER
RECT
m TRANSFORMER
D940, 941
D503
c o
.
2
8 9 9
BDPWR
E
(Page 50)
4 9 8 2 9 9
(Tourist)
S901-1
VOLTAGE SELECTOR
220 – 240V 110 – 120V
(AC IN)
(Hong Kong, Korean)
RY991
(Tourist)
S901-2
220 – 240V 110 – 120V