Sony CDX-1150 - Compact Disc Player User manual

11
SERVICE MANUAL
US Model
CDX-1150
SUPPLEMENT-1
File this supplement with the service manual.
Subject : Change of Main and Key Boards
When performing service and inspection, check the suffix of the part number of
the main and key boards.
(ECN-CSB00629)
For schematic diagrams
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ωand 1/4W or less unless otherwise
specified.
• % : indicates tolerance.
•¢: internal component.
•C: panel designation.
THIS NOTE IS COMMON FOR PRINTEDWIRING BOARDS
AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
•U: B+ Line.
• Powervoltage isdc 14.4V and fedwith regulateddc power
supply from ACC and BATT cords.
• Voltagesare takenwithaVOM (Inputimpedance10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F: FM
f: AM
J: CD
• (( )) :Page of supplement-1.
For printed wiring boards
•Y: parts extracted from the conductor side.
•®:Through hole.
•¢: internal component.
•b: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
• (( )) :Page of supplement-1.
– MAIN BOARD (SIDE B) –
MAIN Board Part No.
Former : 1-672-491-11
New : 1-672-491-12
KEY Board Part No.
Former : 1-672-492-11
New : 1-672-492-12
– KEY BOARD (SIDE B) –
Note: The components identified by mark !or dotted line
with mark !are critical for safety.
Replace only with part number specified.
Caution:
Pattern face side: Partson thepattern facesideseen fromthe
(Side B) pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A) parts face are indicated.

22
(LIMIT)
SW3
(DISC IN 2)
SW2
(DISC IN 1)
SW4
CHUCKING
DET
( )
-+
-
+
-
+
BLK
BRN
RED
ORG
YEL
GRN
BLU
CDX-1150
1. PRINTEDWIRING BOARDS — MAIN SECTION —
Ref.No. Location
(D501) B-10
D503 B-13
D504 B-12
D505 C-11
D506 D-13
D507 D-12
D508 E-11
D509 F-11
D510 E-12
D511 B-4
D512 E-10
D513 B-8
D514 D-8
D516 B-12
D517 B-12
D518 C-12
D519 C-2
D550 C-4
D551 B-4
D552 C-4
D602 J-12
IC101 G-8
IC102 G-5
IC103 J-4
IC400 D-5
(IC500) B-6
IC600 H-11
IC601 I-9
IC700 D-3
Q101 F-4
Q401 B-3
Q402 C-5
Q403 C-6
Q501 D-11
Q502 D-11
Q503 F-13
Q504 G-12
Q505 C-11
Q506 C-13
Q507 D-12
Q508 F-7
Q509 E-11
Q510 E-12
Q511 E-10
Q512 C-8
(Q513) A-8
Q514 C-8
Q515 D-7
Q516 B-3
Q517 F-11
Q550 B-3
Q551 B-4
Q601 J-12
Q701 G-2
Q702 G-2
Q703 J-7
Q704 F-2
Q705 F-3
• Semiconductor
Location
( ) : SIDE B

33
CDX-1150
((Page 8))

44
CDX-1150
2. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) —
Note:
• Voltage and waveforms are dc with respect
to ground under no-signal conditions.
no mark : CD PLAY
• Waveforms (MODE:PLAY)
3
1
2
Approx. 600mVp-p
IC102 @£ (FE)
0V
IC102 9(ARF)
1.3Vp-p
Approx. 200mVp-p
IC102 @™ (TE)
0V
((Page 5))
((Page 6))

55
CDX-1150
3. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) —
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
< > : CD PLAY
((Page 4))
((Page 6))