Schematic Diagram - Power Board - Sony HCD-DC1 Service Manual

6-16. SCHEMATIC DIAGRAM – POWER Board –
CN902
9P
-22.5V
S1-GND
+22.5V
-14V(S2)
S2-GND
+14V(S2)
RELAY 5V
BACKUP5V
D917
(Page 25) 1SS133T-77
RELAY ON
C917
220
10V
T2AL 250V
T3.15AL 125V
Q901
KTC3205-Y-AT
B+ SWITCH
R902
1k
C911
C916
47 C910
0.022
16V 0.022
D915
MTZJ-T-77-6.2B
C913
C915
0.022
0.022
Q902
2SC2785
-TP-FEK
RELAY
DRIVE
R904
4.7k
C920
220
16V
C918
R905
10
47k
10V
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
F903,904
*
(EXCEPT US,CND,MX)
T902
(US,CND,MX)
MAIN POWER
(HK,MY,SP) (US,CND,MX)
TRANSFORMER
(AEP,UK)
115V 230V 120V
230V
F903
*
* COM
F904
*
* NOT REPLACEABLE:
BUILT IN TRANSFORMER
F901
T0.8AL 250V (AEP,UK)
T1.25AL 125V (US,CND,MX)
(EXCEPT HK,MY,SP)
RY901
T901
(HK,MY,SP)
(US,CND,MX)
SUB POWER
(AEP,UK)
TRANSFORMER JW924
115V 230V 120V
230V
COM
(US,CND,MX)
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.
31 31
EXCEPT
(HK,MY,SP) HK,MY,SP
F905 F902
T0.8AL T1.25AL JW921
250V 250V
EXCEPT
(HK,MY,SP)
HK,MY,SP
JW908
S901
VOLTAGE
SELECTOR
110-120V
(HK,MY,SP)
220-240V
R909
3.3M
(US,CND)
(EXCEPT US,CND,MX)
JW912
(US,CND,MX)
LF901
(AEP,UK) CN901
LINE FILTER
2P
JW923
JW913
(EXCEPT US,CND,MX)
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
HCD-DC1
Ver 1.1
(CHASSIS)
(AC IN)