Block Diagram - Panel/Power Supply Section - Sony HCD-SPZ50 Service Manual

HCD-SPZ50/SPZ70
Q Q
3 7 6 3 1 5 1 5 0
7-4. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
FLUORESCENT INDICATOR
TUBE DRIVER
SYSTEM CONTROLLER
IC901
DIN 7 1 FL SD
SEG1 – SEG16 CLK 8 2 FL SCK
FL901
STB 9 3 FL STB
FLUORESCENT
INDICATOR
TUBE
GR1 – GR12
D952
1 LED1
DSGX
(SPZ70)
D953
2 LED2
SOURCE
DIRECT
REMOTE CONTROL
RECEIVER 4 SIRCS
IC951
HP
B
(Page
S951 – 957,
S958, 959 (SPZ50)
16)
S961 – 966, KEY1 – KEY3
T E
L 1 3 9 4 2 2 9 6 5 1 3
S968 – 974,
S981, 982
74 WAKE UP KEY
RV951
ROTARY
PUSH ENTER 95 JOG
ENCODER
(JOG)
RV952
ROTARY
94 VOLUME
ENCODER
VOLUME
RV953 ROTARY 31 TRE A
ENCODER
TREBLE 32 TRE B
RV954 ROTARY 82 BASS A
ENCODER
BASS 83 BASS B
D951
LED DRIVE
88 STANDBY LED
STNDBY Q951
15
X1302
5MHz
w w w
HCD-SPZ50/SPZ70
+9V
(TUNER)
IC1301 (4/4)
+12V
AC DET 84
+3.3V REGULATOR
+3.3V
IC702 (SPZ50)
(ADC )
IC702 (SPZ70)
+5V
+9V
(HP AMP)
+9V
FLUORESCENT
F1
INDICATOR TUBE
F2
(FL901)
RECT
VEE
D912, 922
+7V
MOTOR REGULATOR
B+ Q1607 – 1609
PROTECT
CDM SD 38 DETECT
Q1606
+4V
+1.8V
+1.8V
REGULATOR
(CD)
IC203
+3.3V
(CD)
+1.8V REGULATOR
+1.8V
IC704 (SPZ50)
(AMP)
IC704 (SPZ70)
+3.3V
(AMP)
+3.3V
(FL)
POWER ON/OFF 57
(SPZ70)
EVER
+3.3V
RESET SWITCH
RESET 12
Q1301
RESET SIGNAL
AC CUT 20 GENERATOR
IC1302
13 10 11 +3.3V B+ SWITCH
(LED) Q952
X1301
32.768kHz
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+9V
REGULATOR
Q1618
+12V
REGULATOR
IC1201
+5V
REGULATOR
IC1204
RIPPLE
FILTER
Q1510
+9V
REGULATOR
IC1202
T921
INVERTER
TRANSFORMER
D1211
OSC
Q921, 922
+7V
RECT
REGULATOR
D31
IC1205
D1212
RECT
+28V
+4V
D32
Q Q
REGULATOR
3 7 6
IC1203
D652 D33
D1206
D1204
DC DETECT
Q651, 652
D1203
POWER ON/OFF
RELAY DRIVE
Q650
D1202
D1201
u 1 6 3
.
18 18
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2 4
8 9 9
VD 18
SWITCHING
16 VG (H)
Q12
15 VS
SWITCHING
12 VG (L)
Q11
9 OCP
D14
8 VC1
3 1 5 1 5 0 8 9 2
T31
MAIN POWER
TRANSFORMER
ISOLATOR
2 F/B
PH11
1 VENSE
POWER CONTROL
IC11
Q601
ISOLATOR
PH602
POWER CONTROL
IC601
D603 5 DRAIN
4 VCC
T603
SUB POWER
TRANSFORMER
SHUNT
ISOLATOR
REGULATOR 2 FB
PH601
IC650
m
c o
2
8 9 9
4 9 8 2 9 9
(AC IN)
F1
RECT LINE FILTER
D1 T1
+
+
S1
VOLTAGE
SELECTOR
120 – 127V
220 – 240V
(SPZ70: E2, E51)
Abbrivation
E2 : 120V AC area in E model
E51 : Chilean and Peruvian models