Sony HCD-EP505, Руководство по обслуживанию

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HCD-EP505
27 27
MAIN
BOARD
(1/3)
15
MAIN
BOARD
(1/3)
13
MAIN
BOARD
(1/3)
16
POWER
BOARD
CN505
J
MAIN
BOARD
(2/3)
17
5.5 13.9
6.1
15.1 9.1
12.3
11.9 15.1
14.8 (0.1) <14.8>
0 (0.7) <0>
15.1
(8.6)
15.1
15.1 0 (9.5) <0>
0 (9.4) <0>
15.1
2 (9.1) <2>
18
18
0.7
1.1
1.1
0.7
18.5
37.5
3.6
3.6
0
0
0.6
8.1
0.6
7
6
4
9
8
5
1
2
3
H501
PHONES
HEADPHONE BOARD
+
−
−
+
L
R
SPEAKER
IMPEDANCE
USE 8 Ω
CN503
CN503
4P
CN504
5P
U801
U503
U502
I G O
MAIN BOARD
(3/3)
Q802, 803
+8V REGULATOR
+12V REGULATOR
133
9.1B
2SA608
REGULATOR
CONTROL SWITCH
133
50V
133
50V
133
12B
50V
+9V REGULATOR
Q801
+5V REGULATOR
2SD1616
50V
133
133
6.2B
16V
HEADPHONE AMP
1
5
1
7
50V
50V
POWER AMP
MUTING 5.6K
5.6K
50V
50V
133
MUTING
6-13. SCHEMATIC DIAGRAM – MAIN (Except AEP, UK, CH models) (3/3) Section – • See page 19 for Waveforms. • See page 32 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
(
) : CD PLAY
< > : TAPE PLAY
Ver 1.1
(Page
25)
(Page 25)
(Page
25)
(Page 26)
(Page 31)
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.