Read Sony CMT-EP707 / HCD-EP707 Service Manual online
29
29
HCD-EP707
5-14. SCHEMATIC DIAGRAM – REGULATOR Section –
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
POWER
AMP
BOARD
H
POWER
AMP
BOARD
I
MAIN
BOARD
(2/2)
CON216
F
DISPLAY
BOARD
J
VOL KEY
BOARD
K
12
14.8
14.8
14.8
14.1
6.1
8
0.1
0.7
4.9
5.7
8.8
0.7
2.1
(US, CND)
U802
+12V REGULATOR
CON809
2P
R844
100
C853
100PF
R842
10k
0.1
C851
0.1UF
L802
39mH
9P
DETECT
SW_TEST
GND
SW901
CD
MECHANISM
PROTECT
REGULATOR BOARD
SWITCH
BOARD
Q822
VOLTAGE
DETECT
9
8
7
6
5
4
3
2
1
0.1
3P
3P
C800
0.1
NJM7812A
0.1
D837
1N4148
CE838
100UF
100UF
C852
0.1UF
0.01
250V
680P
250V
250V
F803
∗
F804
∗
0.01
0.01
0.01
0.01
0.01
0.01
0.01
1k
D836
1N4001
MTZJ-72-5.6B
6.2V
CON810
2P
5.1V
5.1V
R843
1k
16V
470
C821
0.1UF
0.1
50V
2
1
1
2
3
D832, R834
+5V REGULATOR
Q801, 802
B+ SWITCH
R814
47
D816
RECT
RECT
D810 – 813
RECT
+5V REGULATOR
SUB POWER
TRANSFORMER
POWER ON/OFF
RELAY DRIVE
TR800
MAIN POWER
TRANSFORMER
D802 – 805
RECT
D806 – 809
RECT
50V
∗
F803
2A 125V
T2AL 250V
(US, CND)
(AEP, UK, AUS)
(AEP, UK, AUS)
∗
F804
4A 125V
T4AL 250V
(US, CND)
(AEP, UK, AUS)
(AEP, UK, AUS)
R841
3.3M
1/2W
3.3M
1/2W
AC IN
D833, 834, 837
RECT
50V
(Page 25)
(Page 25)
(Page 23)
(Page 27)
(Page 27)
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