Read Sony HCD-M80 Service Manual online
HCD-M80
15
15
2-12. SCHEMATIC DIAGRAM – POWER Board –
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : TUNER (FM/AM)
no mark : TUNER (FM/AM)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
D921
D920
D922
R905
R902
R907
R906
IC901
D919
R904
C921
D911
D913
D912
D910
D908
D906
D907
D909
D904
D902
D903
D905
IC904
R903
C925
D916
D914
D915
D917
C901
D918
JW918
R901
JW916
JW920
CN901
CN903
CN902
Q902
C918
C920
L901
T901
T902
JW915
LF901
S901
F901
F907
F906
F903
F904
RY901
1SS133T-77
11ES2-TA1B
11ES2-TA1B
1k
1k
1k
1k
KIA7808API
2A02M
47k
4700
16V
11ES2-TA1B
11ES2-TA1B
11ES2-TA1B
11ES2-TA1B
2A02M
2A02M
2A02M
2A02M
1N5401
1N5401
1N5401
1N5401
4.7k
3300
25V
2A02M
2A02M
2A02M
2A02M
0.01
250V
250V
MTZJ-T-77-6.2B
2.2
2P
3P
11P
2SC2785
10
50V
47
16V
T1.6AL
250V
T2.5AL
250V
T2.5AL
250V
T2.5AL
250V
T2.5AL
250V
RELAY ON
COM
115V
230V
COM
+14.2V(R2)
R1-GND
R2-GND
BACKUP4V
COM 8V
FAN CONTROL
AC DET
230V
COM
230V
115V
COM
124V
COM
230V
COM
124V
220V
220V
M-GND
CD8V
O
G
I
+4V REGULATOR
POWER
ON/OFF
RELAY DRIVE
O
G
I
+8V REGULATOR
(SP)
(TH)
(EA)
TRANSFOMER
MAIN POWER
∗
NOT REPLACEABLE:
BUILT IN TRANSFORMER
TRANSFOMER
SUB POWER
(SP)
(TH)
(EA)
(TH)
(EA,SP)
(T
H
)
LINE
FILTER
(AC IN)
-2
-1
110V-120V
220V-240V
VOLTAGE
SELECTOR
(EA,SP)
(EA,SP)
(TH)
-22.5V
+22.5V
DVD POWER CONT
µPC3504AHF
100µH
(Page 9)
(Page 11)
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