Block Diagram - Panel/Key/Power Supply Section - Sony HCD-CPZ1 Service Manual

HCD-CPZ1
Q Q
3 7 6 3 1 5 1 5 0
7-3. BLOCK DIAGRAM – PANEL/KEY/POWER SUPPLY Section –
LCD DRIVER
IC951
LED STAND BY
DATA 58 59 LCD DATA
LIQUID
SCL 57 60 LCD SCL
CRYSTAL
LED TUNER 66
CE 56 61 LCD CE
DISPLAY
LCD951 MODE 59 58 LCD MODE
INH 60 57 LCD INH
LED TAPE 65
LED CD 67
RESET
AC CUT
REMOTE CONTROL
4 SIRCS
RECEIVER AC DET
IC901
SYSTEM CONTROLLER
IC301 (3/3)
74 WAKE UP KEY
T E
D303 L 1 3 9 4 2 2 9 6 5 1 3
S901 – 906 97 KEY0
CD POWER ON/OFF
S907 – 912 95 KEY1
94 KEY2
S913 – 919
LCD ON/OFF
PUSH ROTARY
70 VOLUME A
ENTER ENCODER
RV904
71 VOLUME B XCIN
(JOG)
ROTARY
68 VOLUME A
XCOUT
VOLUME
ENCODER
69 VOLUME B
RV903
ROTARY
XOUT
TREBLE ENCODER 89 TREBLE
RV902
ROTARY
BASS ENCODER 90 BASS
RV901
w w w
POWER RELAY ON/OFF
HCD-CPZ1
D901
LED DRIVE
72
Q901
STANDBY
D902
LED DRIVE
TUNER
Q902
BAND
D903
LED DRIVE
TAPE
Q903
Y
D904
LED DRIVE
CD
Q904
u
RESET RESET SIGNAL
12
SWITCH GENERATOR
Q301 IC302
20
1
B+ SWITCH
LCD +3.3V
Q409, 410
+1.8V
S-MASTER
REGULATOR
+1.8V
IC704
S-MASTER
+2.5V
+3.3V
D +2.5V
REGULATOR
IC202
D502
D +3.3V
D501
A +3.3V
81
LED DRIVE
Q411, 412
D951, 952
(LCD BACK LIGHT)
HEADPHONE AMP
56
10
X301
32.768kHz
11
XIN 15
X302
16MHz
13
100
x a o
y
. i
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µ-COM +3.3V
D301
D302
D202
Q Q
3 7 6
+7V +12V
D203 – 205
+4V +7V
B+ SWITCH
REGULATOR REGULATOR
Q407, 408
IC202 IC201
+9V
B+ SWITCH
+9V
Q450
+5V
+9V
ADC +5V
REGULATOR REGULATOR
IC204 IC203
u 1 6 3
22 22
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2 4
8 9 9
+4V
RECT
REGULATOR
D992 – 995
IC991
MAIN POWER
3 1 5 1 5 0 8 9 2
TRANSFORMER
T31
RECT
+28V
D32
SWITCHING
Q11
+12V
RECT
REGULATOR
D31
IC200
D33
8 9 12
D34
ISOLATOR
2 F/B
PH11
POWER CONTROL
IC11
m
RELAY DRIVE
c o
Q991
.
2
8 9 9
SUB POWER
TRANSFORMER
T991
4 9 8 2 9 9
SWITCHING
Q11
15 16
VSENSE 1
VD 18
RECT
D1
LINE FILTER
T1, 2
F1
RY990
RY991
AC IN