Schematic Diagram - Power Board - Sony SS-CM70 Service Manual

6-17. SCHEMATIC DIAGRAM – POWER Board –
CN101
8P
-16V(S1)
S1-GND
+16V(S1)
S2-GND
+14V(S2)
COM8V
BACKUP5V
D917
(Page 23)
1SS133T-77
RELAY-ON
Q901
STC352-OY
C917
220
16V
R904
4.7k
R905
47k
R902
4.7k
Q903
STC352-OY
Q901,903
+5V REGULATOR
C911 C920
47 220
16V 25V
D915 C910
MTZJ-T-77-6.8C 0.022
Q902
2SC2785
POWER ON/OFF
RELAY DRIVE
C918
10
50V
• Voltages and waveforms are dc with respect to ground
F904
∗ T902
2A 125V (US,CND,MX) MAIN POWER
T2A 250V (AEP,UK,SP,KR,TH,AUS) TRANSFORMER
F904
∗
∗ NOT REPLACEABLE:
BUILT IN TRANSFORMER
C925
0.01
RY901
250V
T901
SUB POWER AEP,UK,
TRANSFORMER (SP) KR,TH,AUS (US,CND,MX)
115V
230V 230
COM COM
0.8A 125V
T0.4A 250V (AEP,UK,KR,TH,AUS)
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
31 31
AEP,UK,
(SP) KR,TH,AUS (US,CND,MX)
115V 230V 120V
(SP)
230V
F902
JW905 0.8A
250V
(SP)
F903
0.4A
250V
COM
(SP)
JW904
(SP)
JW908
R910
220
(US,CND)
R909
(SP) 3.3M
1/2W
JW906
(EXCEPT US,CND)
120
JW907 JW903 JW902
COM (EXCEPT SP)
(US,CND)
LF901
LINE
(SP)
FILTER
JW911
∗ F901
F901
(US,CND,MX) ∗
JW901
(EXCEPT SP)
(EXCEPT US,CND)
The components identified by mark 0 or dotted Les composants identifiés par une marque 0 sont
line with mark 0 are critical for safety. critiques pour la sécurité. Ne les remplacer que
Replace only with part number specified. par une pièce portant le numéro spécifié.
HCD-M70
-2
S901
VOLTAGE
SELECTOR
110V-120V
220V-240V
-1
G901
(CHASSIS)
CN901
2P
(AC IN)