![background image](http://html.mh-extra.com/html/sony/hcd-rv22/hcd-rv22_service-manual_420865089.webp)
5
5
HCD-RV22/RV55
HCD-RV22/RV55
3. BLOCK DIAGRAM — MAIN SECTION —
(Page 4)
(Page 3)
(Page 6)
(Page 4)
(Page 4)
(Page 4)
OVER LOAD
DETECT
Q441, 442
PROTECT
DETECT
Q485, 487
AMS DETECT
Q327
THERMAL
DETECT
Q483, 484
FAN MOTOR
DRIVE
Q310
FEED BACK
SWITCH
Q106
TH441
R-CH
R-CH
R-CH
+
R-CH
R-CH
7
INPUT SELECT,
TONE CONTROL,
ELECTRICAL VOLUME
IC101
LOADING/TABLE
MOTOR DRIVE
IC371
Q1
6
Q0
58
MIC
37
TONE OUT1
15
REC OUT1
54
LINE OUT1 L
33
VOL OUT1
3
DATA
4
CLOCK
5
LCH
19
SI
12
Q6
14 Q8
17 Q11
11 Q5
TU-MUTING
13 Q7
LM-R
LM-F
16 Q10
TM-F
15 Q9
1 CD L
61 TUNER L
3 TAPE L
9 TAPE A1
7 PB OUT1
11 TAPE B1
63 MD L
HCD-RV55
36 VIN1
TM-R
REC/PB
SWITCH
IC201,
Q322, 323
R-CH
A
• SIGNAL PATH
: CD PLAY
: TAPE PLAY (DECK-A)
: REC
• R-ch is omitted due to same as L-ch.
: TAPE PLAY (DECK-B)
: TUNER
10 Q4
JK101 (1/2)
R
VIDEO/SAT
IN
L
59 GAME L
R-CH
JK805 (2/2)
R
GAIN INPUT
AUDIO
L
R-CH
JK101 (2/2)
R
VIDEO/SAT
OUT
L
: AUX IN
: MIC
D481
D207
D206
M901
(FAN)
D201
J801
PHONES
HCD-RV22
SPEAKER
IMPEDANCE
USE 6 – 16
Ω
+
–
–
+
R
L
TM901
FM/AM TUNER PACK
AM
FM ANT
AM ANT
TUNER-L
TUNER-R
LC72121 CE
CE
R-CH
ANT GND
ANT GND
TUNED
TUNED
STEREO
STEREO
TU MUTE
TU-MUTING
LC72121 DI
DO
LC72121 DO
DI
LC72121 CLK
CLK
CE
TUNED
STEREO
DO
DI
CLK
FM 75
Ω
COAXIAL
BIAS OSC
L101
REC BIAS
SWITCH
Q324
B +9V
BIAS OSC
Q321
ERASE
HRPE901
(REC/PB/ERASE)
(DECK-B)
HP901
(PB)
(DECK-A)
L-CH
R-CH
R-CH
L-CH
R-CH
R-CH
40
AMS OUT
BAND-PASS
FILTER
Q351, 352
55
SAOUT2
18
SC
+
+
–
–
+
R
L
JK441
RY441
AC3
–1
–2
PROTECTOR
Q486, 488
POWER ON
MUTING
Q105
STANDBY
SWITCH
Q489
LEVEL
SHIFT
Q490, 491
MUTING
Q103
MUTING
CONTROL
Q101, 102
POWER AMP
ON/OFF
Q308
DC
DETECT
Q481, 482
+
+
+
POWER
AMP
IC441
LINE AMP
IC102
B+9V
AC4
POWER ON
MUTING
Q309, 313
83
I-LC72121 DI
86
O-LC72121/BU2099FV CLK
84
O-LC72121 CE
67
I-TUNED-IN
68
I-STEREO-IN
87
O-BU2099FV LCH
85
O-LC72121/BU2099FV DO
69
I-AMS-IN
24
I-STREAM/VACS
18
I-PROTECT
91
O-BD3401 DATA
88
O-BD3401 CLK
75
O-SYSTEM-MUTE
3
SOL-B
4
SOL-A
2
MOTO
CAPSTAN/REEL
MOTOR DRIVE
Q601
PLUNGER DRIVE
(DECK-A)
Q603
M
M
(CAPSTAN/REEL)
(DECK-A)
(DECK-B)
M
M
PLUNGER DRIVE
(DECK-B)
Q602
A-HALF
Q607
Q608
Q606
A-MODE
REC (REW)
A-PHOTO
B-PHOTO
I-REEL A IN
I-REEL B IN
22
70
71
I-TAPE A STAT
B-HALF
B-MODE
REC (FWD)
23
I-TAPE B STAT
SYSTEM CONTROLLER
IC601 (2/3)
TAPE MECHANISM
DECK BLOCK
CD SERVO
SECTION
CD MUTING
FRONT SP RELAY
F
MIC
CD L
H
AUDIO/VIDEO
CD SECTION
AUDIO/VIDEO
CD SECTION
AUDIO/VIDEO
CD SECTION
HP CTL
I
MAIN
SECTION
E
J
PANEL/
POWER SUPPLY
SECTION
HCD-RV55
HCD-RV55
HCD-RV22
HCD-RV55
HCD-RV55
FRONT
SPEAKER
IMPEDANCE
USE 6 – 16
Ω
SURROUND
SPEAKER
IMPEDANCE
USE 24
Ω
LM-R
LM-F
TM-F
TM-R