Read Sony HCD-LS1 Service Manual online
23
23
HCD-LS1
• Semiconductor
Location
5-3.
SCHEMATIC DIAGRAM – CD Section (1/3) –
•
See page 33 for Waveforms.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
no mark : CD PLAY
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.
Ref. No.
Location
D101
J-12
D102
K-9
D401
B-12
D404
B-11
D406
E-15
D409
C-11
D516
B-13
D517
B-12
D521
D-11
D801
C-11
Q101
J-5
Q102
I-10
Q103
I-10
Q401
D-7
Q402
C-9
Q403
E-2
Q404
C-7
Q411
B-13
Q412
B-12
Q413
B-12
Q414
C-6
Q501
C-13
Q502
C-13
Q521
C-11
Q522
C-11
Q8011
C-11
Q8012
C-11
U101
K-5
U102
J-7
U103
I-7
U105
H-2
U106
H-2
U107
H-2
U180
J-4
U401
B-9
U404
J-3
U501
J-2
U502
C-3
ZD401
B-11
ZD402
D-9
ZD403
E-15
ZD404
D-10
ZD405
D-10
ZD502
C-12
ZD503
C-12
ZD521
B-11
Note:
• In the printed wiring diagram of the MAIN R237
• In the printed wiring diagram of the MAIN R237
Board, “A and L” or “B and R” of the last code of Ref
No. on the silk-screen printing drawing of the main
unit are replace with “1” or “2” respectively.
No. on the silk-screen printing drawing of the main
unit are replace with “1” or “2” respectively.
Example:
C104A
→
C1041
R801R
→
R8012
(Page 24)
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