Sony HCD-EC79 - Block Diagram - Panel, Power Supply Section

HCD-EC69/EC79/EC99
HCD-EC69/EC79/EC99
2222
6-3. BLOCK DIAGRAM - PANEL, POWER SUPLLY Section -
SYSTEM CONTROLLER
IC301 (3/3)
M601
(FAN)
I-RST 54
3O-POWER
FAN MOTOR
DRIVE
Q601, 602
PROTECT
DETECT
Q603
4O-CD-ON/5V-ON
40I-5V/9V-DET
MAIN POWER
ON/OFF CONTROL
Q619
AC
DETECT
Q605, 606
+1.5V
REGULATOR
IC201
CD +1.5V
+9V
REGULATOR
IC601
+9V
REGULATOR
Q307 - 310
MOTOR DRIVE B+
DC/DC
CONVERTER
IC701,
Q706 - 710
VBUS +5V
RELAY B+
+3.3V
REGULATOR
Q622, 624
VOLTAGE
DETECT
Q304, 305
+4V
REGULATOR
Q302, 303
D631
+9V
CD +3.3V
+3V
REGULATOR
Q801
TUNER +3V
+5V
REGULATOR
Q802
RESET
SWITCH
Q306
TUNER +5V
SYSTEM +3.3V
D601
R-CH
D303
D003
(EC69: AEP, RU, MX, AR/EC79: AEP, MX, AR/EC99: AEP, RU, MX, AR)
D053
(EC69: E2, E51/EC79: E2, E51/EC99: E2, E51)
D629, 630
D617
D628
D605
D602, 606
MM
PROTECT
DETECT
Q618
RY001
(EC69: AEP, RU, MX, AR/EC79: AEP, MX, AR/EC99: AEP, RU, MX, AR)
RY052
(EC69: E2, E51/EC79: E2, E51/EC99: E2, E51)
PT002 (EC69: AEP, RU/EC79: AEP/EC99: AEP, RU)
PT003 (EC69: MX, AR/EC79: MX, AR/EC99: MX, AR)
PT051 (EC69: E2, E51/EC79: E2, E51/EC99: E2, E51)
SUB POWER TRANSFORMER
PT004 (EC69: AEP, RU, MX, AR)
PT005 (EC79: AEP, MX, AR/EC99: AEP, RU, MX, AR)
PT054 (EC69: E2, E51)
PT055 (EC79: E2, E51/EC99: E2, E51)
MAIN POWER TRANSFORMER
VSTBY
+VH
-VH
(AC IN)
RECT
D001, 002
(EC69: AEP, RU, MX, AR/EC79: AEP,
MX, AR/EC99: AEP, RU, MX, AR)
D051, 052
(EC69: E2, E51/EC79: E2,
E51/EC99: E2, E51)
RECT
D607 - 610 (EC69/EC79)
D613 (EC99)
RECT
D611, 612
I-P-MONI
36
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X302
6MHz
X1
X0
92
93
X301
32.768kHz
X1A
X0A
14
13
I-RMC
9
REMOTE CONTROL
RECEIVER
IC302
LED DRIVE
Q301
D306
(STANDBY)
O-LED
28
LCD301
LIQUID
CRYSTAL
DISPLAY
ROTARY
ENCODER
S301
VOLUME
SW301, 311 - 317,
SW318 (EC99), 319,
SW321 - 329
(FRONT PANEL KEYS)
I-KEY1, I-KEY2,
I-KEY-WAKE-UP/VOL
37, 38, 41
COM0 - COM3
59 - 62
SEG0 - SEG32
63, 64, 67 - 89, 94 - 100, 1
C
SP-L
OVER LOAD DETECT
O-POWER
RELAY PROTECT
(EC79/EC99)
(EC69: E2, E51/EC79: E2, E51/EC99: E2, E51)
(EC69)
I-HOLD
42
VOLTAGE
SELECTOR
S051
(Page 21)
Ver. 1.2