Sony HCD-SPZ50 - Block Diagram - PANEL;POWER SUPPLY Section

HCD-SPZ50/SPZ70
1818
HCD-SPZ50/SPZ70
REMOTE CONTROL
RECEIVER
IC951
FL901
FLUORESCENT
INDICATOR
TUBE
1 LED1
FLUORESCENT INDICATOR
TUBE DRIVER
IC901
SYSTEM CONTROLLER
IC1301 (4/4)
57POWER ON/OFF
20AC CUT
RESET SIGNAL
GENERATOR
IC1302
RESET SWITCH
Q1301
B+ SWITCH
Q952
38CDM SD
84AC DET
12RESET
94 VOLUME
SEG1 – SEG16
31 – 42 14 – 29
GR1 – GR12
KEY1 – KEY3
93 – 91
D952
DSGX
2 LED2
D953
SOURCE
DIRECT
88 STANDBY LED
4 SIRCS
D951
STNDBY
LED DRIVE
Q951
ROTARY
ENCODER
VOLUME
PUSH ENTER
RV952
31 TRE A
32 TRE B
ROTARY
ENCODER
TREBLE
RV953
82 BASS A
83 BASS B
ROTARY
ENCODER
BASS
RV954
95 JOG
ROTARY
ENCODER
RV951
(JOG)
13
XOUT
15
XIN
X1302
5MHz
11
XCOUT
10
XCIN
X1301
32.768kHz
DIN
FL SD7 1
CLK
FL SCK8 2
STB
FL STB9 3
74 WAKE UP KEY
S951 – 957,
S958, 959 (SPZ50)
S961 – 966,
S968 – 974,
S981, 982
(AC IN)
T603
SUB POWER
TRANSFORMER
T31
MAIN POWER
TRANSFORMER
(SPZ70)
(SPZ70)
F1
LINE FILTER
T1
RECT
D1
+
+
S1
VOLTAGE
SELECTOR
120 – 127V
220 – 240V
(SPZ70: E2, E51)
D603
D14
4
POWER CONTROL
IC601
VCC
5
DRAIN
2
FB
POWER CONTROL
IC11
1
VENSE
2
F/B
9
OCP
16
VG (H)
ISOLATOR
PH601
ISOLATOR
PH11
ISOLATOR
PH602
SHUNT
REGULATOR
IC650
D1206
D1212
18
VD
SWITCHING
Q12
12
VG (L)
SWITCHING
Q11
15
VS
8
VC1
Q601
RECT
D32
RECT
D31
D1211
D652 D33
+28V
+4V
+3.3V
(CD)
+1.8V
(CD)
MOTOR
B+
D1204
+3.3V
(AMP)
+1.8V
(AMP)
D1203
D1201
+3.3V
(FL)
+3.3V
(LED)
EVER
+3.3V
+7V
+9V
+7V
REGULATOR
IC1205
+9V
REGULATOR
IC1202
+12V
REGULATOR
IC1201
+4V
REGULATOR
IC1203
REGULATOR
Q1607 – 1609
PROTECT
DETECT
Q1606
+5V
+12V
+5V
REGULATOR
IC1204
+9V
REGULATOR
Q1618
+9V
(HP AMP)
+9V
(TUNER)
+3.3V
(ADC )
RIPPLE
FILTER
Q1510
+3.3V REGULATOR
IC702 (SPZ50)
IC702 (SPZ70)
+1.8V REGULATOR
IC704 (SPZ50)
IC704 (SPZ70)
+1.8V
REGULATOR
IC203
D1202
DC DETECT
Q651, 652
POWER ON/OFF
RELAY DRIVE
Q650
VEE
FLUORESCENT
INDICATOR TUBE
(FL901)
RECT
D912, 922
OSC
Q921, 922
F1
F2
T921
INVERTER
TRANSFORMER
HP
B
Abbrivation
: Chilean and Peruvian modelsE51
: 120V AC area in E modelE2
7-4. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
(Page
16)
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