Read Sony HCD-RV20 / HCD-RV50 / HCD-RV60 Service Manual online
11
11
HCD-RV20/RV50/RV60
6. BLOCK DIAGRAM — AMP/POWER SUPPLY SECTION —
JK006
R-CH
PHONES
+
–
–
–
+
R
L
FRONT
SPEAKER
JK502
(RV50/RV60)
R-CH
R-CH
–VL
–VP
+VP
–VH
OVER LOAD
DETECT
Q505
OUTPUT LEVEL
DETECT
Q23, 24
Q23, 24
BIAS
Q507, 509
HOLD
Q7 – 9
DC DETECT
Q5,6
MIC LEVEL
AGC
Q001
THERMAL DETECT
Q10, 11
+
FINAL DRIVE
Q501, 503
SWITCHING
Q17, 19, 22
SWITCHING
Q18
R-CH
R-CH
+
+
+
TH501,
502
+
R-CH
R-CH
PRE DRIVE
Q517, 519
MUTING
Q525
+
CURRENT
MIRROR
Q521, 523
R-CH
+
+VL
+VH
OUTPUT LEVEL
DETECT
Q20, 21
Q20, 21
R-CH
+
MUTE
Q321
INPUT SELECT SWITCH, TONE CONTROL,
ELECTRICAL VOLUME, BASS BOOST AMP
IC301
BASS BOOST CONTROLLER
IC310
19
SAOUT
VACS/STR
29
TOUT2
25
OUT2
16
OCONT3
15
CONT2
14
CONT1
1
ON/OFF
2
CONT2
3
9
8
CONT3
L-OUT
3
DATA
4
CLOCK
LCK
S-MUTE
O-POWER
HOLD
CLK
SO
5
LCK
40 CD-L
2 MIC
MIC+10V
L-IN
39 TUNER-L
38 TAPE-L
28 VOLIN2
–30V
REGULATOR
Q534 – 536
(AC IN)
SUB POWER
TRANSFORMER
T902
MAIN POWER
TRANSFORMER
T901
RECT
D2
+VL
TO
POWER AMP
BLOCK
–VL
VL
VL
VF1
TO
FLUORESCENT
INDICATOR TUBE
VF2
RECT
D3-6
+VH
–VH
–VFL
EVER+10V
VH
VH
RECT
D1
RECT
D902 – 905
+4V
REGULATOR
IC602
+3.3V (SUB)
DI
SO
CLK
MCLK
LCK
MECHA VCC
SOL-A
SOL-B
SOL-B
RESET
CD MUTE
POWER DOWN
D617
RESET SIGNAL
GENERATOR
IC603
CD-L
A
TUNER-L
TAPE-L
REC-L
J
G
K
C
21
DATA
22
CLOCK
35 RECB-2
36 GAME-L
37 MD-L
S-MUTE, O-POWER, HOLD
B
: MIC INPUT
9
MOTOR VCC
10
SOL-A
11
SOL-B
13
CD
MUTE
12
LINE OUT MUTE
MECHA VCC
SOL-A
SOL-B
H
HP
F
RY902
RY901
RESET SWITCH
Q601
R-CH
+
–
–
–
+
R
L
SURROUND
SPEAKER
JK502
R-CH
FRONT SPEAKER
ON/OFF RELAY DRIVE
Q304
MUTING CONTROL
SWITCH
Q527
POWER OFF
MUTING DRIVER
Q529, 530
D513
VM+10V
FAN MOTOR
ON/OFF SWITCH
Q371,373
RY501
RY502
RELAY DRIVE
Q532
FAN901
(FAN)
M
SP-F
LINK
S-MUTE
O-POWER
O-POWER
CD-VDD
: TAPE PLAY
: REC
: CD PLAY
: TUNER (FM/AM)
SIGNAL PATH
: MD (VIDEO) IN
R-ch is omitted due to same as L-ch.
R-CH
JK005(2/2)
JK302
R-CH
R-CH
L
R
L
R
L
R
IN
OUT
AUDIO
MD
(VIDEO)
GAME
INPUT
BUFFER
IC304
CENTER VOLATAGE
GENERATOR
Q324
VM+10V
TUNER/TAPE/PANEL
SECTION
TUNER/TAPE/PANEL
SECTION
TUNER/TAPE/PANEL
SECTION
CD/VIDEO
SECTION
TUNER/TAPE/PANEL
SECTION
TUNER/TAPE/PANEL
SECTION
CD/VIDEO
SECTION
MCLK
DI
+4V
HOLD
Q12
OVER CURRENT
DETECT
Q13
VM+9V
VM+10V
+15V
RECT
D319 – 322
RECT
D301 – 304
DC DET
Q329
VM
+15V
VM
VCC
DECK+9V, M+9V
+10V
REGULATOR
IC313
+9V
REGULATOR
IC308
D102
P+7V
CD-VCC
O-POWER
O-POWER
D313 – 315
+9V
REGULATOR
IC305
+4V
REGULATOR
IC306
B+ SWITCH
Q301, 302
SW+5V
SW+5V
REGULATOR
IC307
CD B+ SWITCH
Q303,313,367
RELAY B+
+9V
+1.8V
(MP3)
+3.3V (MAIN)
+1.8V
REGULATOR
IC803
POWER ON/OFF
RELAY DRIVE
Q330, 331
VOLTAGE
SELECTOR
HOLD
TUNER/
TAPE/
PANEL
SECTION
CD/VIDEO
SECTION
E
VACS/STR
2
9
IC002
ECHO
AMP
ANALOG
SURROUND
IC311
BUFFER
Q405
MUTE
Q407,408
(RV20/RV50)
(RV50/RV60)
(RV60)
S901
(RV50/RV60)
(RV50/RV60)
(RV20)
(RV20/RV50)
(RV60)
CASCADE
Q511, 513, 515
MIC AMP
IC001 (1/2)
+
MIC AMP
IC001 (2/2)
JK003
MIC
VR001
MIC LEVEL
JK002
ECHO LEVEL
(RV20)
(Page 9)
(Page 10)
(Page 10)
(Page 10)
(Page 9)
(Page 10)
(Page 10)
(Page 10)
(Page 9)
