Schematic Diagram - Amp, Power Supply Section - Sony CFD-CD777SMK2 Service Manual

6-15. SCHEMATIC DIAGRAM – AMP, POWER SUPPLY Section – •
C120
100
10V
CNW315 R109
3P 1k
C115 R110 C117
1 100 100p
50V
R209 C116
1k 560p
(Page 29)
R226 R126 C215 R210
470 470 1 50V 100
Q309
KTD2058GR
+7.5V REGULATOR
CNW313
C328 C312
12P C313
47 470
0.01
VCC 16V 16V
VCC Q311
KTD2058GR
+3.3V
+7.5V REGULATOR
MOTOR GND
DGND
+5V
MOTOR +9V
AU +7.5V
PGND
(Page 29)
CD +7.5V
+12V
AGND
C352 C342
47 470
16V 16V
See page 34 for IC Block Diagram.
R112 R113 R212 R213
3.3 3.3 3.3 3.3
C122 C123 C222 C223
0.033 0.033 0.033 0.033
C121 C220 C221
100 100 100
10V 10V 10V
C310
POWER AMP
22
IC103 50V
LA4620
C309
33
16V
C118 C119 C219 C218 C217
100 0.1 0.1 100 100p
10V 10V
R111 R211
1k 1k
C216 R337
560p 10k
R380
1 1/2W
Q310
KTD2058GR
+10V REGULATOR
R363
1
1/2W
C314 R359 R358 R360
0.01 1k 220 270
C318
D324 D323 D325 C315
1000
RD8.2ESB1 IN4148M-TP RD10ESB1 0.022
25V
D321 D337
IN4148M-TP IN4148M-TP
C349 R388 R410
0.01 680 680
Q319
KTD2058GR
+5V REGULATOR
C391 R389
0.01 1k
C392 C389
C343 D326 C390 D338
47 470
0.01 RD8.2ESB1 0.01 RD5.6ESB2
16V 16V
C224
CNW306 CNP306 47 16V
5P 5P
R CH OUT
R214
180
L CH OUT
C124 R114
47 16V 180
J304
4P
C125
SPEAKER
3.3
IMPEDANCE 4Ω
CNP317 CNW317
4P 4P
SPK L-
(L)
SPK L+
SPK R+
SPK R-
(R)
C225
3.3
T901
F901
POWER
T800mA
PS901 TRANSFORMER 250V
C906
0.47
D901-904 S901
RECT
VOLTAGE
SELECTOR
110-120V
C901 C903
0.47 0.47
220-240V
D901 D903
1N5401 1N5401
C907
0.47
D902 D904
1N5401 1N5401
C902 C904
CNP305 CNW305 0.47 0.47
5P 5P
12V 12V
VCC VCC
VCC VCC
C905
GND GND 6800
25V
GND GND
CNW901 CNP904
4P 4P
• 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
33 33
J301
PHONES
SP902
(TWEETER)
SP901
(WOOFER)
SP903
(WOOFER)
SP904
(TWEETER)
J901
AC IN
CNP903 CNP902
4P 4P
D905
IN5401 F903
T6.3AL
250V
J902
DC IN 12V
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
CFD-CD777SMK2
DRY BATTERY
SIZE"DD"
(IEC DESIGNATION R20)
8PCS. 12V