Block Diagram - Panel, Power Supply Section - Sony HCD-GX255 Service Manual

HCD-GX255/RG170/RG470
6-4. BLOCK DIAGRAM – PANEL, POWER SUPPLY Section –
FL701
FLUORESCENT
INDICATOR
TUBE
G1 – G13
D601 – 606 STREAN LED1
LED DRIVE
(FRONT PANEL LED) – STREAN LED6
Q601 – 606
S611 – 617,
S621 – 626,
S631 – 638, KEY1 – KEY4
S641 – 646, 648,
SW601
HCD-GX255/RG170/RG470
SYSTEM CONTROLLER
IC901 (4/4) (SUFFIX-11)
IC901 (4/4) (SUFFIX-12)
FL/LED DRIVER
IC701
O-CDG-POWER
S1 – S21
SO1 9 36 I-VFD-DATA
SI1 8 35 O-VFD-DATA
SCK1 7 37 O-VFD-CLK
CE 16 4 O-VFD-CE
RESET 6 3 O-VFD-RESET
O-FRONT-SP-RELAY
X2 4
X701
4.19MHz
X1 3
D611
22 O-STBY-LED
STANDBY
REMOTE CONTROL
RECEIVER 7 I-SIRCS-IN
IC610
74 I-KEY0
S601, 602
97 I-POWER, DISPLAY
S660
6 I-VOL-A
ROTARY
VOLUME ENCODER 21 I-VOL-B
O-POWER-RELAY
+5V
B+ SWITCH
CDG +5V REGULATOR
Q1007, 1008
IC1003
61
D301, 302
M+7V
M+9V
(RG470)
REGULATOR
FAN B+
Q043
RY B+
27
+9V
20
I-AC-PULSE
+3.3V
+1.5V
MP3 +1.5V
REGULATOR
IC303 (EXCEPT MX)
IC303 (MX)
D902
VCC
VREF, VDD
RESET SWITCH
I-RESET 12
Q901
D903
VOLTAGE DETECT
I-AC-CUT 5 IC902 (SUFFIX-11)
IC902 (SUFFIX-12)
26
24 24
• Abbreviation
AR : Argentina model
(MX)
E2 : 120V AC Area in E model
E3 : 240V AC Area in E model
E51 : Chilean and Peruvian models
EA : Saudi Arabia model
EE : East European model
MX : Mexican model
RU : Russian model
+9V REGULATOR
IC021 (SUFFIX-11)
IC021 (SUFFIX-12)
B+ SWITCH RECT
Q041, 042 D021 – 024
+9V REGULATOR MAIN POWER
IC011 (SUFFIX-11) TRANSFORMER
IC011 (SUFFIX-12) PT901
F907
RECT
+16V
D011 – 014
(GX255/RG170/RG470: AEP, EE, RU)
F904
AMP B+
RECT
D401
AMP B–
F905
AMP +VL
RECT
D402
AMP –VL
F908
AMP +VH
RECT
D401
AMP –VH
F909
(RG470: E2, E51, AR, MX)
D908
B–
VP REGULATOR
Q902
VF1
VF2
F906
Q902
RECT
D007, 008
RECT
UNREG
D001 – 004
+3.3V REGULATOR
IC006 (SUFFIX-11)
IC006 (SUFFIX-12)
D006
SUB POWER
TRANSFORMER
PT902
RECT
EVER +10V
D902 – 905
REGULATOR
Q903, 904
(EXCEPT E2, E3, E51, EA)
RY901
(E2, E3, E51, EA)
S901
VOLTAGE
SELECTOR
240V
220V
120V
W001
(AC IN)
(EXCEPT E2, E3, E51, EA)
RELAY DRIVE
Q002