JVC KD-A305J, Руководство по обслуживанию

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2-7
UN2222-X
1/8W
1/8W
0V
( )
5.0V
5.0V
0.1V
4.4V
0V
( )
NSW0316-001X S601 TO S611
5.0V
Vbat
Vout
SCL
IREF
SDA AGND
R-LED
G-LED
B-LED
GND
C1N C1P
0.1V
5.0V
4.4V
0.1V
0V
5.0V
5.0V
4.4V
0V
1/8W
0V
NAF0029-001X MA8062/M/-X
1%
( )
( )
( )
4.4V
4.4V
4.4V
0.1V
0.6V
0V
5.0V
NAF0029-001X NAF0029-001X NAF0029-001X
0.0047 0.0047
20K 20K
5.0V
:
B
A
COM
COM
SW
4.7K
( )
( )
EQ
( )
GEB10254A1
( )
0V
SELECT
( )
( ) ( )
1.7V
3.2V
( ) ( )
4.7K
0.08V
( )
EQ
( )
SRC
POWER/ATT
T --- TANTAL CAPACITOR.
NOTES
ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE(uF)/RATED VOLTAGE(V)
ALL CAPACITANCE VALUES ARE IN uF(P=pF)
ALL RESISTANCE VALUES ARE IN OHM.
ALL CAPACITORS ARE 50V OR 25V CERAMIC CAPACITOR.
UNLESS OTHERWISE SPECIFIED. 2.
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL
( )
(1/8W)
AUX
S601
COMPONENTS IN ( ) INDICATE NOT USE. 3.
OV 4.8V
5.0V
PWB:
LOUD
TAG
USER ROCK POPS EQ
HD
STMO PTY TP REG AF
DISC HOLD RPT RND CH
Tr
2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 5.0V
2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V 2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
1.6V
0V
5.0V
ENCODER
LCD DISPLAY
REMOCON
HIPHOP
VDD
4.8V
GND OUT
CLASSIC
P
NSW0124-001X
BACK DISP
LCD DRIVER
KEY MATRIC
ALL RESISTORS ARE 1/16W +5% METAL GLAZE RESISTOR.
( )
UP F-SKIP
MENU EJECT
DOWN
5.66V
( )
B-SKIP
10K
UNR9211G-X
( )
2.4V
2.4V
SW
( )
10K
9.83V 5.0V
JAZZ
NC
EJECT
POWER
GEB10254A2
NC
( )
LCDCL
KEY0
LCDCE
LCDDA
VDD
AUX-R
VDD1
AUX-L
AUX-G
KEY1
OSC
INH
VDD2
VOL2
COM4 COM3
COM2
COM1
S51 S49
S48 S47 S46 S45 S44 S43 S42 S41 S40 S39 S38 S37 S36 S35 S34 S33
S32
S31
S30
S29
S28
RGB_CLK
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2
LCDDA
DIM
S40 S39 S38 S37 S36 S35 S34 S33 S32 S31 S30 S29 S28
DIM
S27 S26 S25 S24 S23 S22 S21 S20 S19 S18 S17 S16 S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3
S41 S42 S43 S44 S45 S46 S47 S48 S49 S51 COM4 COM3 COM2 COM1
S2
KEY1
KEY0
VOL2
VOL1
REMOCON
LCDCL
LCDCE
GND
VOL1
10V
ACC5V
LCDDA
S50
S50
Q610
2SA2174G-X
Q604
2SA2174G-X
6
5
4 3
2
1
D601
NSSM065T-X
R638
2.2K
R637 2.2K
R636 2.2K
C1N
Q607
2SA2174G-X
S605 S604 S603 S602
S606
S609 S607
S608
C603
0.1
D606
NI
T2-4
T2-3
T2-2
T2-1
R615
100
C651
10/16
C1P
R614
150K
D650 MA8056/M/-X
Q601
2SC3928A/QR/-X
C604 1 C607 4.7
10V
S610
1
2
3
4
5
6
7
14
13
12
11
10
9
8
IC601
NCP5623DTBR2G-X
R651 1K
CJ601
QGZ1601K1-15S
D659
D660
C606
NI
C610 0.22
Q608
UN2222-X
Q605
UN2222-X
C650 0.1
C652 NI
C609 0.22
R618
100
C608 0.22
S611
C602
NIL
C601
NIL
D664 D668 D666
3
4 1
2 5
JS686
QSW1231-002
D632
LHQ974/LM/-X
R664 220K
R661
1K
R662
1K
R683
C686
NI
R681 470
R670
3
2
1
J601
QNS0215-001
R671
R612
2.7K
C661
1
R604
1.8K
R603
1.2K
R602
820
R609
820
R610
1.2K
R608
820
R607
3.9K
C685
D630
LHQ974/LM/-X
R630
270
R667
100
R666
100
R665
100
C662
150P
C663
0.022
R611
1.8K
C684
Q611
UN2222-X
R634
560
6
5
4 3
2
1
D604
NSSM065T-X
3 2 1
IC681
NJL29H380A
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
IC661
PTC6526LQ-L
6
5
4 3
2
1
D605
NSSM065T-X
R605
2.7K
39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
LCD1
QLD0569-001
54 53 52 51 50 49 48 47 46 45 44 43 42 41 40
R632 NI
D631
LHQ974/LM/-X
T1-4
R631 470
R649 1.6K
R648 1.2K
R647 1.2K
R658 750
R657 470
C682
0.1
T1-3
R613
10K
T1-2
C666 0.1
R682 1K
C665 0.1
S601
R656 470
6
5
4 3
2
1
D602
NSSM065T-X
R646 1.2K
R645 750
R644 750
D661
1SS355W-X
Q602 UNR9211G-X
T1-1
R663
1K
R660
390K
R601
820
LCD & Key control section
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