Sony CFD-CD777SMK2 - Block Diagram - MAIN Section

CFD-CD777SMK2
2121
6-3. BLOCK DIAGRAM – MAIN Section –
1
91012
32
2
29
30
3 27 28
14
15
R-CH
S304 (1/4)
REC/PB
S304 (3/4)
REC/PB
AU +7.5V
Q330
Q330, 335
SWITCHING
Q335
AU +7.5V
AU +7.5V
REC MUTING
Q305
TR-C
TR-B
SWITCH
CONTROL
R-CH
R-CH
T301
BIAS OSC
DECK B
HE601
(ERASE)
R-CH
L-CH
R-CH
L-CH
DECK A
HRP601
(REC/PB)
HP601
(PB)
A-DECK-L
RA-IN-L
TV-IN-L
CD-IN-L
MIC-IN
7
MIC/HS
B-DECK-L
TAPE NF-L
TAPE OUT-L
FUNCTION
A/B NS/HS
R-CH
J303
R-CH
R-CH
R-CH
IN
OUT1 – OUT5
LEVEL METER
LED DRIVE
IC104
D101 – 105
(L-CH LEVEL METER)
D322
D301 – 305
D329 – 332
COM +5V
D329
D330
D331
D332
D306 – 320
MUTING
SWITCH
Q304
SWITCHING
Q313
LINE
OUT-L
L-IN
L-OUT
R-OUT
GRAPHIC EQUALIZER AMP
IC102
REC/PB EQ AMP,
FUNCTION SWITCH, AGC,
REC BIAS OSC
IC101
VOL
R-IN
LINE1
LINE2 BAL
15dB
15dB
29dB 29dB
LINE
OUT-R
17
6
8
8
15
3
4
10
13
REC
VREF
PB
S304 (4/4)
REC/PB
S601
(DECK B PLAY)
S605
(DECK A PLAY)
RV303
REC
PB
OFF
ON
REC PB
EQ
AMP
INPUT
SELECT
SWITCH
REC
EQ AMP
N.F.
AGC
Q312
BUFFER
Q302, 303
DSS
SWITCHING
Q301
NORMAL/HIGH
SPEED CONTROL
Q307, 308
MUTING
Q101, 110,
Q201, 210
MUTING
CONTROL SWITCH
Q314
AGC
CIRCUIT
MIC
AMP
GRAPHIC
EQUALIZER
CONTROL
LOGIC
CIRCUIT
TUNER L-CH
MUTING
CD L-CH
REC
L
TV/LINE IN
MIC301
MIC
J302
MIX MIC
R
+
S305 (1/2)
ISS, FM MODE
S303
HIGH SPEED
DUBBING
5BAND GRAPHIC
EQUALIZER
1 (ST)
2 (ST)
3 (MONO)
S301 (1/2)
PRESET MODE
S301 (2/2)
L-CH
R-CH
PRESET MODE
MANUAL
DISCO
PARTY
LIVE
MANUAL
DISCO
PARTY
LIVE
S302 (2/3)
FUNCTION
BALANCE
LIVE
PARTY
DISCO
MANUAL
RV301
VOLUME
RV302
TAPE SEPPED
(NORMAL)
CD
TV/LINE IN
RADIO
DUBBING
TAPE
(CD/RADIO OFF)
DECK B
1, 2, 20 – 22
1 – 4, 6
+
M
MOTOR B+
M601
(CAPSTAN/REEL)
• SIGNAL PATH
: FM
: CD
: TAPE PLAY (DECK A)
: TAPE PLAY (DECK B)
: TAPE REC (DECK B)
: MIC INPUT
• R-ch is omitted due to same as L-ch.
E
(Page 22)
F
(Page 22)
A
(Page 20)
B
(Page 20)
C
(Page 19)
G
(Page 22)