Sony CFD-CD777SMK2 - Block Diagram - AMP, POWER SUPPLY Section

CFD-CD777SMK2
2222
6-4. BLOCK DIAGRAM – AMP, POWER SUPPLY Section –
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D337
POWER ON
MUTING DRIVER
Q350
COM +5V
CD +5V
TUNER B+
AU +7.5V
DC +12V
POWER AMP
(IC103) B+
L-CH
+IN
POWER AMP
IC103
L-CH
+OUT
L-CH
–OUT
R-CH
+OUT
R-CH
–OUT
–IN
–IN
R-CH
+IN
–IN
R-CH
L-CH
–IN
SW
9
B+ SWITCH
Q317, 331
PRE
DRIVER
POWER
AMP
7
8
10
3
20
22
17
14
PRE
DRIVER
POWER
AMP
PRE
DRIVER
POWER
AMP
PRE
DRIVER
POWER
AMP
+5V
REGULATOR
Q319
+7.5V
REGULATOR
Q309
+7.5V
REGULATOR
Q311
MOTOR B+
CD +7.5V
5
4
TUNER MUTE
S302 (3/3)
FUNCTION
S302 (1/3)
FUNCTION
D327
OPR/BATT
CD
TV/LINE IN
RADIO
DUBBING
TAPE
(CD/RADIO OFF)
S604
(DECK A FF/REW)
S603
(DECK B FF/REW)
SP901
(WOOFER)
J301
PHONES
J304
SPEAKER
IMPEDANCE 4Ω
L-CH
R-CH
SP902
(TWEETER)
SP904
(TWEETER)
SP903
(WOOFER)
D340
D350
D323
+10V
REGULATOR
Q310
D321
DRY BATTERY
SIZE ‘‘D’’
(IEC DESIGNATION
R20)
8PCS. 12V
T901
POWER
TRANSFORMER
F901
RECT
D901 – 904
VOLTAGE
SELECTOR
S901
F902
D905
J901
AC IN
J902
DC IN 12V
E
(Page 21)
F
(Page 21)
MUTING
G
(Page 21)
D
(Page 19)
• SIGNAL PATH
: TUNER
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