Block Diagram -Audio Section - Sony HCD-RV222D Service Manual

HCD-RV222D/RV222DL/RV333D/RV333DL/RV555D
5-3. BLOCK DIAGRAM – AUDIO Section –
J261
MIC
MUTING
Q261
J251 (2/2)
L
VIDEO
AUDIO
IN
R
CN082
FM
L081
ANTENNA
GND
FM/AM
AM
D081
HCD-RV222D/RV222DL/RV333D/RV333DL/RV555D
VR261
MIC AMP
MIC LEVEL
IC261 (1/2)
5 +IN OUT 7
D263
MIC DETECT
Q262
DIGITAL ECHO
IC262
2 LPF1IN
TAPE_L
TAPE
D
SECTION
TAPE_R
(Page 31)
DVD_L
DVD OUT
B
SECTION
DVD_R
(Page 29)
R-CH
ANT1
30
L-OUT 9
R-OUT 10
FM/AM FRONT-END
1 AM ANT
IF AMP, DET, FM MPX
IC081
2 AM REF
SD OUT 13
DI 20
3 AMVT DO
21
CL 19
CE
18
16
24 25 26
X081
32.768kHz
L097 L098
MIC AMP
IC261 (2/2)
+
2 -IN OUT 1
LPF2OUT 9
ECHO GAIN
CONTROL
Q264–269
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
76 2 1
R-CH
SYSTEM CONTROL
IC601 (3/6)
31 I-SD
28 O-TU-DO
26 I-TU-DI
27 O-TU-CLK
O-TU-CE
29
30 30
INPUT SELECT, TONE CONTROL,
MIC-LINE MIX
ELECTRICAL VOLUME
IC871
IC801
2 -IN
SEL-L 10 3
+IN OUT
SEL-R 9 R-CH
VOL-L 11
VOL-R 12
EQ AMP
IC802
1 OUT-L 23 3 +IN OUT
TAPE-L
R-CH
2 TAPE-R OUT-R 19
EQ SWITCH
Q829,831
5 CD-L
CD-R
6
3
TUNER-L R-CH
4 TUNER-R
7 AUDIO-L
8 AUDIO-R Q833
26 25
34 36
AUDIO LEVEL,
ECO-LEVEL 63 DETECT AMP
Q885,886
I-AUDIO-LEVEL 57
D885
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: FM
: AM
: AUDIO IN
: TAPE PLAY (DECK A)
: TAPE PLAY (DECK B)
: TAPE REC
: CD/DVD PLAY (AUDIO)
: DVD PLAY/VIDEO IN (VIDEO)
: MIC
Abbreviation
EA : Saudi Arabia model
PH : Philippines model
RU : Russian model
SAF : South African model
SP : Singapore model
EA, PH, RU, SAF, SP MODEL
C DVD OUT
MIC
SECTION
(Page 29)
TAPE
E
REC-L
1
SECTION
(Page 31)
+
R-CH
1 OUT-L
AMP
F
SECTION
(Page 32)
HP-LR
A RF
BB-ON
SECTION
(Page 28)