Schematic Diagram - Main (5/5) Section - Sony CFD-CD777SMK2 Service Manual

6-11. SCHEMATIC DIAGRAM – MAIN Section (5/5) – •
(5/5)
CNP308
6P
(Page 31)
R108 R208
8.2k 8.2k
B1
C112
0.47
50V
(Page 28)
C212
0.47
50V
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
TUNER B+
MUTE
ST LED
(Page 25)
CNP311
8P
R CH
L CH
OPR B+
TU B+
ST LED
GND
(Page 31)
AU 7.5V
See page 34 for IC Block Diagram.
5BAND GRAPHIC EQUALIZER
RV303-1 RV303-2 RV303-3 RV303-4 RV303-5
MEGA BASS 400Hz 1kHz 4kHz 10kHz
RV303
(6/6)
BALANCE
C405 R301 R302 R303 R304 R305
1000p 10k 10k 10k 10k 10k
GRAPHIC
EQUALIZER
AMP
IC102
CXA1352AS
C303 C304 C305
C113 C213 4.7 4.7 2.2 R325
1000p 1000p 50V 50V 50V 160k
Q313
KTC3198GR-AT
SWITCHING
S302
(2/3)
D322
TAPE DUBBING RADIO TV/LINE CD
1N4148M-TP
IN
R383
220k
R344
39k
Q305
KTC3198GR-AT R345 R346 R347
22k 1.8k 6.8k
REC MUTING
C334
10
50V
S302
(3/3)
TAPE DUBBING RADIO
LIVE PARTY
R368
330
C301
C341
22 Q350
100p
25V KTA1266Y-AT
POWER ON
MUTING
R400
4.7k DRIVER
C396
33
25V
R402 KTC3198GR-AT
2.2k
SWITCHING
C302
220
C402
10V
100p
C214 2.2 50V
C114 2.2 50V
R373 1k
C306
R326
0.47
2.7k
50V
R327
2.2k
KTC3198GR-AT
C127 C227
Q303
1 1
R328 KTC3198GR-AT
50V 50V
470k
BUFFER
R115 R215 R329
10k 10k 2.2k
C401
0.01
R375
1.2k
R378 D333
10k IN4148M-TP
C336
R379
47
270k
Q304 10V
KRC110M
MUTING R393
47
SWITCH
Q314
KTA1266Y
MUTING
CONTROL
R106
10k SWITCH
C345
0.1
Q110 Q210
DTC343TS DTC343TS
D350 D340 R394
1N4148M-TP 1N4148M-TP 47k
TAPE
CD/RADIO
R382
OFF
220k
C344
0.1
R348
C400
10k
3.3
50V
R362 R361
TV/LINE CD
270 1k
IN
29 29
S301
(1/2)
PRESET MODE
DISCO MANUAL
CNP307
5P
(Page 31)
R334 R335 R336
10k 10k 10k
Q301
DSS
R333
100k
S301 (2/2)
MANUAL DISCO PARTY LIVE
CNP315
3P
L-CH
R-CH
AGND
(Page 33)
Q302
BUFFER
C308
C307
2.2
10
50V
50V
R330 R331 R332 C151 C251
2.7k 100k 100k 100p 100p
C337
R376
1
680k
50V
Q312
KTC3198GR-AT
D334
AGC
IN4148M-TP
R377 C338
68 0.1
J303
R130
1k
R150
470
R250 Q101,110,201,210 R230
470 1k
MUTING
R206
10k
Q101 Q201
DTC343TS DTC343TS
S302
(1/3)
FUNCTION
DUBBING RADIO TV/ CD
CNP313
12P
LINE IN
VCC
VCC
3.3V
MOTOR GND
DGND
5V
MOTOR +9V
AU 7.5V
PGND
(Page 33)
CD 7.5V
C403
100p
Q331
Q317,331 2SB1013
AGND
R397
B+ SWITCH
47k
R398
P GND
150
COM 5V
Q317
R399
KTC3198GR-AT CD 7.5V
1k
A GND
C393
R401 C395
47
47k 0.1
C398 10V
47 D GND
10V
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
〈〈 〉〉 : TAPE REC (DECK B)
< > : TAPE PLAY (DECK A)
[ ] : CD PLAY
CFD-CD777SMK2
(L)
TV/LINE IN
(R)
(Page 27)