Sony CDX-V3800 (serv.man3) Service Manual ▷ View online
9
9
CDX-V3800
CDX-V3800
1-6. SCHEMATIC DIAGRAM — KEY SECTION —
CN901
R531
R532
R533
R535
S508
S509
S504
S513
S506
S507
S503
S517
S514
S512
S519
S520
S523
S515
S521
S516
S502
S511
S510
S518
S501
S505
S522
R501
R502
R504
R505
R506
R507
R508
R509
R510
R511
R512
R513
R514
R515
R503
R516
R517
R518
R519
R552
R551
R553
R554
R558
R559
R560
IC501
R555
R561
C960
C551
C553
R557
LCD501
D552
LED503
LED515
LED517
LED514
LED516
LED508
LED506
LED518
LED512
LED509
LED510
LED504
LED505
LED522
LED525
LED524
LED513
LED521
LED507
LED520
R571
R573
R575
R577
R579
R572
R574
R576
R578
R580
LED511
R538
R537
R536
D502
D503
D504
D505
LED501
Q502
IC502
D551
LED502
(Page 7)
10
10
CDX-V3800
CDX-V3800
32
31
30
29
28
27
26
25
24
23
22
I
2
C BUS
LOGIC
VCO
MIX
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
FADER
(0~-58,
-∞dB)
VOLUME
(+23~-79dB,-∞dB
1dB STEP)
VOLUME
(+23~-79dB,-∞dB
1dB STEP)
INPUT GAIN
(0~15dB,1dB STEP)
INPUT SELECTOR
(4 STEREO INCLUDE 1 ISOLATION INPUT)
INPUT GAIN
(0~15dB,1dB STEP)
ANTI-ALIASING
FILTER
ANTI-ALIASING
FILTER
MUTE
fc:40kHz
fc:40kHz
MUTE
6
7
8
9
10
11
3
4
5
2
1
DGND
AGND
FIL
AN
AP2
AP1
B1
B2
C1
C2
NC
NC
NC
NC
NC
NC
NC
12
14
16
13
15
SDA
SCL
MUTE
SEL
ADJ
VCC
OUTF1
OUTR1
OUTF2
OUTR2
NC
NC
NC
OUTS1
OUTS2
21
20
19
18
17
VCC
VCC/2
TONE
PASS
PASS
BASS
fo:60,70,80,100,120,140,160,200Hz
Q:0.5,0.75,1,1.25
fo:60,70,80,100,120,140,160,200Hz
Q:0.5,0.75,1,1.25
MIDDLE
fo:500Hz,1kHz
Q:1
fo:500Hz,1kHz
Q:1
TABLE
fo:5,7.5,10,12.5kHz
fo:5,7.5,10,12.5kHz
TONE
PASS
PASS
EFFECT (0dB~
+20dB,2dB STEP)
EFFECT (0dB~
+20dB,2dB STEP)
2ND ORDER
LPF
2ND ORDER LPF
fc:OFF,80,120,160Hz
Q: 0.707
fc:OFF,80,120,160Hz
Q: 0.707
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
GAIN+ATT
(+10~-29,
-∞dB)
IC401 BD3806FS-E2 (MAIN Board (1/3))
• IC BLOCK DIAGRAMS
11
CDX-V3800
Ref. No.
Part No.
Description
Remark
2-1. MAIN SECTION
Ref. No.
Part No.
Description
Remark
1
X-3384-176-3 PANEL ASSY, SUB
2
3-042-244-11 SCREW (T)
3
X-3383-739-1 LOCK ASSY (S)
4
2-021-848-01 SHEET (TU), GROUND
5
2-050-124-01 SCREW +BTT 2.6X5
6
1-829-847-11 CABLE, FLAT (FFC) 26P
7
A-1115-219-A MAIN BOARD, COMPLETE
8
1-792-194-61 CORD (WITH CONNECTOR) (POWER)
9
1-829-836-12 CORD, CONNECTION (VIDEO) (VIDEO OUT)
10
2-596-791-01 SHEET, SHIELD
F901
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TUX601 A-3220-961-A TUNER UNIT (TUX-032)
#1
#1
7-685-792-09 SCREW +PTT 2.6X6 (S)
#2
7-685-793-09 SCREW +PTT 2.6X8 (S)
#3
7-685-790-01 SCREW +PTT 2.6X4 (S)
SECTION 2
EXPLODED VIEWS
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
• Accessories are given in the last of this
parts list.
R
R
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
F901
not supplied
TUX601
not supplied
not supplied
#1
#1
#1
#3
#2
#2
#1
MG-611MM-186//Q
A
A
B
B
1
2
3
5
8
6
9
10
7
4
not supplied
12
CDX-V3800
2-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
A-1122-750-A RETRACTABLE ASSY
52
3-258-947-02 FILTER (IR)
53
1-780-096-11 CONDUCTIVE BOARD, CONNECTION
54
X-2059-418-1 SHUTTER (SV) ASSY
55
X-2059-416-1 BUTTON ASSY (SV)
56
3-246-479-01 SPRING (RELEASE)
57
2-515-402-01 SHEET (ILLUMINATOR)
58
2-188-139-01 PLATE (CD), LIGHT GUIDE
59
3-258-937-01 PANEL, FRONT BACK
60
X-3385-071-1 CASE ASSY (for FRONT PANEL)
61
A-1115-222-A PANEL OVERALL ASSY, FRONT
62
3-250-543-21 SCREW (+B P-TITE M2)
63
X-2059-417-1 PANEL ASSY, FRONT (SV)
LCD501 1-805-451-11 DISPLAY PANEL, LIQUID CRYSTAL
LCD501
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
(KEY board)
(KEY board)
not
supplied
supplied
63
51
52
54
56
55
53
57
58
59
60
61
not supplied
not supplied
not
supplied
supplied
62
62
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