Sony CDX-MP450X Service Manual ▷ View online
33
33
CDX-MP450X
LIGHT GREEN
PERK
3-11. PRINTED WIRING BOARD — MAIN SECTION —
(Page 37)
(Page 29)
IC401
E-5
IC801
I-8
IC901
F-13
IC902
A-7
IC903
C-14
IC904
G-12
Q401
E-6
Q402
E-6
Q403
C-5
Q404
C-4
Q405
C-3
Q406
C-4
Q407
D-9
Q601
G-3
Q602
G-3
Q603
E-3
Q604
E-3
Q606
H-3
Q607
H-2
Q901
B-13
Q902
A-12
Q903
H-12
Q904
G-12
Q905
G-14
Q906
H-14
Q907
I-13
Q908
I-13
Q909
D-11
Q911
I-12
Q912
I-12
Q913
F-11
Q914
F-12
Q915
F-11
Q916
F-11
Q917
J-12
Q918
J-12
Q919
J-10
Q920
K-10
Q921
I-14
Q922
I-12
Q923
E-11
Q924
F-10
• Semiconductor Location
Ref. No.
Location
D401
F-4
D402
D-6
D403
D-7
D407
B-11
D408
C-12
D409
F-7
D411
C-8
D412
C-8
D413
C-7
D414
C-8
D415
C-7
D416
C-7
D417
C-7
D418
C-6
D602
F-2
D603
G-2
D604
I-3
D605
I-4
D801
J-3
D802
G-11
D803
J-3
D804
J-3
D805
J-5
D806
J-5
D807
J-3
D808
J-5
D809
J-6
D810
J-5
D902
H-12
D903
H-14
D904
H-14
D905
D-10
D908
I-11
D909
F-13
D910
F-12
D911
E-12
D912
E-12
D913
E-12
D914
G-12
D919
B-14
D920
A-13
D922
J-14
D923
I-13
Ref. No.
Location
34
34
CDX-MP450X
IC B/D
3-12. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) — • Refer to page 40 for IC Block Diagrams.
Note:
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : AM
<
> : CD PLAY
(Page 35)
(Page
31)
35
35
CDX-MP450X
IC B/D
MA1810
3-13. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 36 for Waveforms. • Refer to page 41 for IC Block Diagrams.
(Page
34)
Note:
• Voltage is dc with respect to
ground under no-signal
(detuned) condition.
no mark : FM
(
(detuned) condition.
no mark : FM
(
) : AM
<
> : CD PLAY
∗
: Impossible to measure
(Page 36)
36
36
CDX-MP450X
3-14. SCHEMATIC DIAGRAM — RELAY SECTION —
(Page 35)
(Page 39)
• Waveforms (Main board)
4.5MHz
IC801
uh
1
2.1Vp-p
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