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27
HCD-RV222
HCD-RV222
6-3. BLOCK DIAGRAM — MAIN SECTION —
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
LOADING/TABLE
MOTOR DRIVE
IC371
3
4
5
19
TU-MUTING
LM-R
LM-F
TM-F
TM-R
• SIGNAL PATH
: CD PLAY
: TAPE PLAY (DECK-A)
: REC
• R-ch is omitted due to same as L-ch.
: TAPE PLAY (DECK-B)
: TUNER
R-CH
JK805 (2/2)
R
GAIN INPUT
AUDIO
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
BAND-PASS
FILTER
Q351, 352
18
+
JK441
RY441
AC3
–1
–2
PROTECTOR
Q486, 488
POWER ON
MUTING
Q105
STANDBY
SWITCH
Q489
MUTING
Q103
MUTING
CONTROL
Q101, 102
POWER AMP
ON/OFF
Q308
DC
DETECT
Q481, 482
+
+
+
B+9V
AC4
POWER ON
MUTING
Q309, 313
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
B-HALF
B-MODE
REC (FWD)
TAPE MECHANISM
DECK BLOCK
MIC
CD L
HP CTL
HCD-RV55
FRONT
SPEAKER
IMPEDANCE
USE 6 – 16
Ω
LM-R
LM-F
TM-F
TM-R
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299