JVC KD-A525J Service Manual page 28

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<LCD & Key section (A525J,520J,521E,521EU,521EY)>
Tr
MENU
P
ENCODER
COM
A
VOL1
COM
B
VOL2
SW
SELECT
JS601
QSW1231-002
KEY MATRIC
R605
R604
R603
R602
R601
KEY0
2.7k
1.8k
1.2k
820
820
S605
S604
S603
S602
S601
DOWN
F-SKIP
B-SKIP
UP
POWER/SRC
R618
R610
R609
R608
R617
R611
R607
KEY1
10K
3.9K
2.7k
1.8k
1.2k
820
820
S611
S610
S609
S608
S607
S606
DISP
BRIGHTNESS
EQ
EJECT
BACK/TP
MENU
S601~S611: NSW0326-001X
No.MA479
LCD DISPLAY
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
ST
HD
TAG
HOLD
REG
AF
DI1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
QLD0672-001
LIGHTING DISPLAY
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
D653
D650
D648
D646
D629
D638
D631
D642
D644
VOL
VOL
EJECT
UP
MENU
BACK
EQ
B.SKIP
SOURCE
*
*
SML-D12V8W-X
/PWR
D636
D627
*
*
*
*
*
*
D654
D652
D649
D647
D632
D643
D645
VOL
VOL
F.SKIP
SOURCE
EQ
MENU
BACK
*
*
DISP
DOWN
D630
D639
/PWR
SML-D12V8W-X
VOL
VOL
*
D641
*
*
D640
D634
D635
D633
*
D637
*
D628
EQ
BACK
MENU
SML-D12V8W-X
BRIGHTNESS
VOL
VOL
SOURCE/PWR
4.0V
Q632
0.2V
R650
2SC4154/EF/-X
Q631
4.0V
2.7k
0V
0.2V
2SC4154/EF/-X
R649
2.7k
0V
* REMARKS:
BRIGHTNESS
LOUD
TP
PTY
REMOCON
IC681
OUT
GND
VDD
KSM-2003TN5B
3.3V
OV
3.3V
C682
0.1
R683
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
2.4V
49
2.4V
50
2.4V
51
2.4V
52
2.4V
53
2.4V
54
VDD
5.1V
55
VDD1
3.2V
56
1.7V
VDD2
57
R662
R663
0V
58
LCDCE
R665 100
1K
1K
2.4V
59
LCDCL
R666
100
2.4V
60
LCDDA
R667 100
2.4V
61
P1
1.6V
62
P2
1.6v
63
P3
1.6v
64
4.0V
Q634
R652
0.2V
2SC4154/EF/-X
2.7k
1
2
3
4
0V
KD-R420J, KD-R428J
KD-R428UF
KD-R427EE, KD-R424UI
KD-R422E SERIES
KD-R45E SERIES
KD-R426U SERIES
KD-R47EE
KD-R425U SERIES
KD-R421E SERIES
KD-R520J, KD-A525J
KD-R521E SERIES
D640,D641,D635
NIL
D636, D639
SML-D12V8W-X (RED)
SML-D12P8W-X (GREEN)
D637, D638
NIL
D642 ~ D645
D627 ~ D630
NIL
SML-D12P8W-X (GREEN)
LED
D646 ~ D650,D652
D653,D654
SML-D12V8W-X (RED)
B601 ~ B603
0 Ohm
NIL
B608,B610,B611,B613
B605 ~ B607
NIL
0 Ohm
B609,B612
LED
R655/R668/R654
820
390
R658/R669/R659
1.5K
NIL
R636/R638
390
220
KD-R420J, KD-R428J
KD-R428UF
KD-R427EE, R424UI
KD-R45E SERIES
KD-R426U SERIES
KD-R520J, KD-A525J
KD-R425U SERIES
KD-R521E SERIES
KD-R421E SERIES
KD-R422E SERIES
KD-R47EE
AUX JACK
QNS0299-001
QNS0298-001
J601
(No.MA479<Rev.002>)8/23
SW PWB:GEB10304A
NOT USED FOR:
- KD-R45E SERIES
- KD-R47EE
- KD-R427EE
AUX-IN
3
2
1
R672
R671
*
J601
NI
NI
C672
C671
4700P
4700P
L673
CN601
QGZ1102K2-20X
AUX-L
NQR0007-002X
1
L674
AUX-R
2
To Main section 1
C673
NQR0007-002X
AUX-G
3
DGND
(Except KD-BTP50J,52U)
4
(1/8W)
3.3V
5
R676
CN701
C665
10V
6
2.2
REMOCON
7
1
R675
NC
8
VOL1
9
VOL2
10
LCDCL
11
LCDCE
12
LCDDA
13
USBGND
14
To Main section 1
D+
15
D-
16
(KD-BTP50J,52U)
USB5V
17
CN701
18
KEY0
19
KEY1
20
R677
2.4V
S32
32
2.4V
S31
R691
31
2.4V
S30
10K
30
2.4V
S29
C692
29
USB
LCD DRIVER
2.4V
S28
28
2.4V
S27
C691
27
S26
LF691
CN603
2.4V
10
26
QNZ1057-001
S25
2.4V
25
S24
2.4V
IC661
24
S23
2.4V
PT6579LQ
23
NQR0682-001X
S22
2.4V
22
VCC
S21
1
2.4V
21
D-
S20
2
2.4V
20
D+
2.4V
S19
3
R678
19
GND
2.4V
S18
4
18
0
C680
2.4V
S17
17
C679
27pF
27pF
5
6
7
8
9
10
11
12
13
14
15
16
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL
2.
UNLESS OTHERWISE SPECIFIED.
ALL RESISTORS ARE 1/16W +5% METAL GLAZE RESISTOR.
ALL CAPACITORS ARE 50V OR 25V CERAMIC CAPACITOR.
ALL RESISTANCE VALUES ARE IN OHM.
ALL CAPACITANCE VALUES ARE IN uF(P=pF)
ALL E.CAPACITORS ARE SHOWN IN THE FORM OF CAPACITANCE(uF)/RATED VOLTAGE(V)
T --- TANTAL CAPACITOR.
3.
COMPONENTS IN ( ) INDICATE NOT USE.
created date:2011-03-04

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