Read Sony HCD-RV22 / HCD-RV55 Service Manual online
6
6
HCD-RV22/RV55
HCD-RV22/RV55
4. BLOCK DIAGRAM — PANEL/POWER SUPPLY SECTION —
(Page 5)
(Page 4)
–27V
REGULATOR
Q902
AC IN
HCD-RV22:
TH MODEL
HCD-RV22:TH MODEL
EXCEPT
HCD-RV22:
TH MODEL
SUB POWER
TRANSFORMER
PT902
RY901
VF1, 2
VDD2
VDD1,
VDD3/4
TO
FLUORESCENT
INDICATOR TUBE
+12V
REGULATOR
Q311
–VFL
VP
MAIN POWER
TRANSFORMER
PT901
RECT
D401
D401
RECT
D301 – 304
AMP B+ 1
AMP B– 1
RECT
D402
D402
AMP B+ 2
AMP B– 2
D324 – 325
D321
D609
D610
D608,611
D316
D908
RECT
RECT
F907
+3.3V
REGULATOR
IC301
B+3.5V
+5V
REGULATOR
IC302
VOLTAGE
DETECT
IC604
+3.3V
REGULATOR
IC603
CD +5V
+3.3V
REGULATOR
IC202
CD +3.3V
+2.5V
REGULATOR
IC201
+4.5V
REGULATOR
Q201
CD +2.5V
CD +4.5V
RECT
D309 – 312
RECT
D902 – 904
RY B+
FAN B+
+9V
REGULATOR
IC304
CD M+7V
RECT
D305 – 308
UNREG +16V
+9V
REGULATOR
IC303
B+9V,
MIC +9V
EVER +10V
M +9V
B+3.5V
B+ SWITCH
Q312
B+ SWITCH
Q604, 616
RESET SWITCH
Q605
B+ SWITCH
Q314, 315
RELAY DRIVE
Q361, 362
29
I-AC CUT
74
O-POWER RELAY
11
RESET
SYSTEM CONTROLLER
IC601 (3/3)
O-POWER LED 76
O-VIDEO-POWER 94
B+ SWITCH
Q301, 302
FLUORESCENT
INDICATOR TUBE
FL601
S1 – 21
G1 – G13
42 – 30
43 – 45, 47 – 50,
52 – 65
LED601
I/1
I-SIRCS-IN 28
LED610-615
(ILLUMINATION)
LED DRIVE
Q610-615
REMOTE CONTROL
RECEIVER
IC610
S601 – 612,
S621 – 630,
S641 – 650,
S621 – 630,
S641 – 650,
SW601
10 I-VOLUME-IN2
9 I-VOLUME-IN1
ROTARY
ENCODER
S660
MASTER
VOLUME
VOLUME
8 I-BU1924 CLK
I-KEY1 –
I-KEY3
I-KEY3
92 O-VIDEO SW
27 – 25
STREAM LED6
I
STREAM LED1
82 – 77
X601
32.768kHz
13
12
O-XT2
I-XT1
16
15
X602
10MHz
CF2
CF1
VOLTAGE
SELECTOR
S901
F906
AC-VL
AC-VH
AC3
AC4
F908,
F909
F909
F904,
F905
F905
RECT
D401
D401
AMP B+ 1
AMP B– 1
AC-1
HCD-RV55
HCD-RV22
F904,
F905
F905
FRONT SP RELAY
J
MAIN
SECTION
VIDEO SW
G
AUDIO/VIDEO
CD
SECTION
