Sony CFD-RG880CP - Block Diagram -MAIN Section

CFD-RG880CP
CFD-RG880CP
2727
7-3. BLOCK DIAGRAM – MAIN Section –
20
A
B
TUNER
SECTION
CD L-CH
R-CH
R-CH
RECORD/PLAYBACK
HEAD
HRP301
HE301
ERASE HEAD
R-CH
L-CH
REC BIAS
OSC
Q301
REC/PB PRE AMP
IC301
5
4
1521
REC
TAPE
L.LINL.RAD
PB AMP
26dB
2422
L.LO
TAPETAPE
T301
12
MUTE
Q101
AMP
Q301
AGC
DRIVE
Q304
3
8
STBY
POWER AMP
IC303
R-CH
J391
J
SPEAKER (L-CH)
SPEAKER (R-CH)
O-VOL-DATA
78
O-A-MUTE
63
O-TAPE
65
TAPE REC
SYSTEM CONTROL
IC801(3/4)
S301
REC/PB
REC AMP
AMP
BUFFER
7dB
64
I-TAPE PLAY
M
M971
CAPSTAN/REEL
MOTOR
S972
MOTOR
S971
PLAY
CD
SECTION
17
LINE
62
O-CD-SW
82
I-SPOUT-VOLTAGE
18
R.LO
6
REF
IN L1
IN L2
SEL1 L
OUT1 L
3
MUTE
23
26
66
10
VOL1 L
R-CH
R-CH
Q160
IC351
SDA SCL
1
SOUND/VOLUME
IC301 (2/2)
INPUT SELECT
IC301 (1/2)
11
O-VOL-CLK
25
68
AGC
Q306
D303 D304
D307
D308
VDD(SW)
VDD(SW)
12
13
3
10
11
5
8
STBY
WOOFER AMP
IC302
73
WOOFER ON/OFF
72
WOOFER 1/2
SP191
SP291
SP393
WOOFER
AU 6V
BUZZER (R-CH)
SP292
BUZZER (L-CH)
SP192
PB
REC
LPF
Q303
HEADPHONE
DETECT SWITCH
Q305
GAIN
CONTROL
Q302
D305
D306
AUDIO +6V
TC+9V
J372
CNP2
AUDIO IN
L.IN
L.RO
TAPE MECHANISM DECK
TONE
SURROUND
MCU I/F
LOGIC
79
O-P-MUTE
R-CH
TU L-CH
: FM
: CD
• Signal Path
• R-CH is omitted due to same as L-CH.
: TAPE PLAY
: TAPE REC
: LINE IN
: USB
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