JVC KD-A525J Service Manual page 29

<LCD & Key section (524UI,525U,525UH,525UN,526U,526UH,526UN,526UT,528J)>
Tr
MENU
P
LCD1
QLD0674-001
ENCODER
A VOL1
B VOL2
POWER/SRC
JS686
QSW1231-002
KEY MATRIC
For KD-R52x
R605 R604 R603 R602 R601 KEY0 EJECT
1.2K 820 D630
2.7K 1.8K 820
SML-D12V8W-X
BRIGHTNESS
D631
* S605 * S604 * S603 * S602 * S601 SML-D12V8W-X
DOWN F-SKIP B-SKIP UP SELECT/ATT
DISP
R613 R612 R611 R610 R609 R608 R607 D632
KEY1
SML-D12V8W-X
10K 3.9K 2.7K 1.8K 1.2K 820 820
S611 S610 * S609 S608 * S607 * S606
DISP BRIGHTNESS EQ EJECT BACK/TP MENU
S608, S610~S611: NSW0326-001X
*MODEL
KD-R52x KD-R620 Series
470 ohm
R647, R648 270 ohm
RGB
BRIGHTNESS
R649 820 ohm 560 ohm
LED
R631 270 ohm 680 ohm
BRIGHTNESS
S601~S607,S609
TAC SW NSW0326-001X NSW0246-001X
KD-R527EE Others
*MODEL
J601 QNS0298-001
AUX JACK QNS0299-001
No.MA479
LCD DISPLAY
54 53 52 51 50 49 48 47 46 45 44 43 42 41 40
LCD1
ST HD
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
LED
RGB DRIVER
D625 R620
NSSM065T-X
C621
C622
D623
NSSM065T-X
R624 R625
IC601
100 100
PCA9624PW-X
B621
For KD-R620 Series 0V NQR0022-005X
5V
VSS VDD
0.2V
A0 SDA
0.1V
A1 SCL
BRIGHTNESS R649
*
A2 A6
R621
D631 (1/8W) 5V 5V
A3 A5 0
SML-D12V8W-X R648
* 5V 0V
A4 /OE
(1/8W) LCD BACKLIGHT
VSS VSS
DISP * R647
0V 0V
LED0 LED7
D632 R656 470 (1/8W)
(1/8W) 0V 0V T2-2 T1-2
1 6
SML-D12V8W-X LED1 LED6
R657 470
EJECT 0V 0V (1/8W) T2-3 T1-3
2 5
LED2 LED5
R658 750 (1/8W)
0V T2-4 T1-4
D630 3 4
NC LED3 LED4
SML-D12V8W-X D624
VSS VSS
NSSM065T-X
KD-R52x SUB BOARD:GEB10305A2
KD-R620 SUB BOARD:GEB10306A2
KD-R620 Series SW PWB: GEB10306A1
Others SW PWB: GEB10305A1
HOLD LOUD
TAG
AF REG TP PTY
REMOCON
OUT GND VDD
1 2 3
3.3V 0V 3.3V
D682
C682
0.1
C681
R683
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
2.5V
49
2.5V
50
51
2.5V
52
2.5V
53
LCD DRIVER
2.5V
C620 54
1 2.5V
55
5.0V
IC661
56
PTC6526LQ-L
VDD1 3.3V
57
R661 R662 1.7V
VDD2
58
R663 0V
2SC4154/EF/-X 1K 1K
59
C662
R623 Q627 1K R664 220K OSC 1.6V
150P
60
9.3V 5V
330 R660 390K INH 4.8V
(1/8W)
61
R665
D661 LCDCE 0.1V
5.66V 100 CE
62
R666 5.1V
RKS801KF-X LCDCL CLK
100
63
C663 C665 R667 100 2.4V
C666 LCDDA DATA
0.1 0.1 0.1
64
DZ2J056/M/-X
D627 C623
C624
1 2 3 4 5 6 7 8 9
0.1 C661
1
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL
2.
3.
(No.MA479<Rev.002>)9/23
* J601
3
2
R670
1
R671
AUX IN
IC681
C687
KSM2003-TN5B
4700p
C688
4700p
CJ601
QGZ1102K2-20X
AUX-L
1
C689
AUX-R
2
AUX-G
3
GND
4
3.3V
5
10V
6
REMOCON
7
RGBCL To Main section 1
8
VOL1
9
VOL2 (Except KD-BTP50J,52U)
10
LCDCL
11
CN701
LCDCE
12
LCDDA
13
R677
USB_GND
14
0 D+
15
D-
16
USB5V
17
18
KEY0
19
S33
2.5V KEY1
32 20
S32
2.5V
31
S31
2.5V
30
S30 D668
2.5V
29
2.5V S29
28
2.5V S28
27 D666
2.5V S27
26
2.5V S26 C692
25
2.5V S25
24 10
D665
2.5V S24
NQR0682-001X LF691 C691
23
2.5V S23
22 3 4 CN603
10
2.5V S22 QNZ1057-001
D667
21
R693
2.5V S21 2 1
20
2.5V S20 R678 10K
4 VCC
19
2.5V S19 0
3 D-
18
2.5V S18
2 D+
17
1 GND
C685
C684
27p
27p USB
10 11 12 13 14 15 16
DZ2J051/M/-X DZ2J051/M/-X
D692
DZ2J051/M/-X
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.
COMPONENTS IN ( ) INDICATE NOT USE.
created date:2011-03-04