Sony CDX-3900R / CDX-4000R / CDX-4000RX / CDX-L450 Service Manual ▷ View online
25
25
(Page 29)
CDX-3900R/4000R/4000RX
Ref. No.
Location
IC1
C-1
IC5
C-6
IC7
F-2
IC501
F-5
Q101
B-2
• Semiconductor
Location
26
26
3-7. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (1/2) — • Refer to page 37 for IC Block Diagrams.
(Page 31)
CDX-3900R/4000R/4000RX
Note:
• Voltage and waveforms are dc
• Voltage and waveforms are dc
with respect to ground
under no-signal conditions.
no mark : CD PLAY
under no-signal conditions.
no mark : CD PLAY
(Page 27)
(Page 27)
• Waveforms
(MODE:PLAY)
1
2
3
Approx. 620mVp-p
IC1
qf
(FE)
0V
IC1
qh
(RFO)
1.2Vp-p
Approx. 200mVp-p
IC1
qd
(TE)
0V
27
27
CDX-3900R/4000R/4000RX
Note:
• Voltage is dc with respect to ground under no-signal
• Voltage is dc with respect to ground under no-signal
conditions.
no mark : CD PLAY
no mark : CD PLAY
3-8. SCHEMATIC DIAGRAM — CD MECHANISM SECTION (2/2) — • Refer to page 38 for IC Block Diagrams.
(Page 26)
(Page 26)
28
28
3-9. PRINTED WIRING BOARD — MAIN SECTION —
CDX-3900R/4000R/4000RX
Ref. No.
Location
D1
E-9
D301
G-4
D501
I-7
D502
H-7
D551
J-13
D552
K-13
D553
K-13
D554
J-12
D555
K-13
D556
J-12
D557
K-13
D558
J-12
D559
K-13
D560
J-12
(D571)
B-5
D603
B-4
(D605)
B-5
D611
B-7
D612
B-7
D613
C-7
D614
B-7
D615
C-7
D616
C-7
D617
C-6
D618
C-6
D622
D-9
D624
C-9
D653
I-7
D661
D-5
D662
D-5
D673
C-5
D674
C-5
D701
E-5
D707
D-4
IC51
I-12
IC90
H-11
IC151
D-11
IC501
I-6
IC652
J-3
Q1
G-11
Q111
E-12
Q131
F-12
Q171
B-11
Q181
B-12
Q271
C-11
Q281
C-12
Q363
I-3
Q365
G-2
Q551
J-6
(Q571)
D-6
Q621
C-10
Q622
C-9
Q633
J-2
Q651
I-8
Q652
I-8
Q661
D-5
Q701
E-5
Q702
E-4
Q703
E-4
Q704
G-7
• Semiconductor
Location (Side A)
(
) : CDX-4000R/4000RX only
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