Sony HCD-LS1 - Compact Hi-fi Stereo System, Service Manual

Page: 23 / 54

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
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
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.
Example: C104A
→
C1041
R801R
→
R8012
(Page 24)