49
49
HCD-RV777D/RV888D/RV999D
HCD-RV777D/RV888D/RV999D
LINE
REC(DECK B)
PB(DECK A)
PB(DECK B)
TUNER
DOWN MIX
MIC
GAME
RELAY
SWITCH
L
R
FAN
SWITCH
J501
BIAS OSC
Q601
T601
R-CH
FRONT
R-CH
R-CH
A+9V
J104
35 34
SW
TONE
MUTE
POWER AMP
IC201
REC/PB AMP,
SOUND CONTROLLER
IC101
MASTER CONTORL
IC701 (2/3)
13
OVERLOAD
DET
Q201
8
TM901
LCH
3
DATA
2
DO
5
+9V
10
RCH
DBFB
DET
AC
DET
DBFB
SWITCH
Q112
R-CH
R-CH
Q233,234
+VH
RY281
V
MREQ
Y/G
C
CR/B
CB/R
WIDE
I/P SW
COMPONENT
VIDEO BUFFER
IC801
VIDEO SELECTOR
IC802
VIDEO
OUT
J802
COMPONENT
VIDEO OUT
J801
FRONT
SPEAKER
GAME
INPUT
S VIDEO
OUT
J803
C
Y
Y
P
B
/C
B
P
R
/C
R
TM201
Q801
Q191
Q221,222
MUTE
Q171
PB MUTE
Q111,607,608
LINE MUTE
Q702,703,707
AC DET
Q704,705
D230,231
MUTE
Q232
MUTE
Q143
MUTE
CONTROL
Q713,714,
Q708-710
Q281,282
R-CH
OVERLOAD DET
DC DET
PROTECT
R-CH
OVERHEAT
DET
TH201,Q216,217
AC4
J503
RV501
MIC
MIC LEVEL
MIC AMP
IC501 (1/2)
MIC AMP
IC501 (2/2)
RV502
EXCEPT RV999D:E51,
AR,MX MODEL
ECHO LEVEL
IN
L
R
OUT
L
R
AUDIO
L
R
R-CH
VIDEO/SAT
VIDEO
R-CH
R-CH
Q602,603
Q627,
Q628
A+9V
ERASE
HEAD
REC/PB
HEAD
R-CH
R-CH
PB
HEAD
MUTE CONTROL
Q629-631
MUTE CONTROL
Q623,624
MUTE
Q622
J502
PHONES
R-CH
AC3
FAN901
FAN
(DECK A)
HP901
HRPE901
(DECK B)
TAPE
A SOL
B SOL DRIVE
Q617,618
CAP M DRIVE
Q615,616
A SOL DRIVE
Q613,614
1
CLOCK
4
CE
11
MUTING
6
TUNED
7
STEREO
DOUT
DIN
CLK
CE
MUTE
TUNED
STEREO
LINE OUT
MUTE CONTROL
Q723
MUTE
Q142
AMS
DETECT
Q661,662
AMS
MUTE
Q604-606
IC203
AM
FM 75
Ω
COAXIAL
MUTE CONTROL
Q701
• Signal Path
: TUNER
: AUDIO
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
• R-CH is omitted due to same as L-CH.
7-4. BLOCK DIAGRAM — MAIN SECTION —
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
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299