Block Diagram -Main Section - Sony HCD-RV22 Service Manual

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