JVC KD-R491 Schematic Diagrams page 7

SWITCH PWB ASSY (XJ6-115x-0x)
Note : The Parts Number, value and rated voltage etc. in the Schematic Diagram are for references only.
When replacing the parts, refer to the Parts List.
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
ED1
B3H-0063-00
*D27 *D25 *D26
LRTBGVTG-U//0 LRTBGVTG-U//0 LRTBGVTG-U//0
SYMBOL KEYS PHONE MUSIC
*Q57
0.7V
0.7V
Q54
*Q56
Q53 0.7V
*Q55
0.7V
0.7V
Q52
Q50 - Q57 part no: KTC4075EP/Y/
0.7V
TL2
KS2
S17
S13 S14 S15 S16
TL3
KS3 6 5/USB MODE 4/REP Enter drvn/Bass
S11 S12
S8 S9 S10
TL4
KS4 3/RDM 2/ 1/ VOL + Music_List/Back
S3 S5 S7
S4 S6
TL6
KS6 DISPLAY/SETUP >>|| ||<< PHONE VOL -
S2
S1
EJECT
SOURCE/STDBY
S1 - S17 PART NO: S7A-0001-00
No.MA665
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
R7
1/4W
0
TL13
D3
TL23
C7
C6
10u
R2
43k
+/-0.5%
R14
TL22
150k
TL12
1/16W
C5 LCD_DATA_LCD
LCD_CE
0.7V 1u
LCD_CLK
LCD_DATA_SYS
Q51
0.7V
Q50
RA52
6.8k 1/16W
RA51
1/16W
6.8k
NOTES
1. VOLTAGES ARE DC-MEASURED WITH A DIGITAL VOLT METER WITHOUT INPUT SIGNAL
2. UNLESS OTHERWISE SPECIFIED.
ALL RESISTORS ARE 1/10W +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)
3. COMPONENTS WITH ? IN FRONT INDICATE NOT USE.
NOTE:
The parts of the symbols with " * " may vary depending on model.
Refer to the parts list for details.
SWITCH PWB : J7K-0320-**
*IC90
SIRD630B6T
R1006
1 2 3 1/10W
0
*Q90
KRA302E-P
3.3V 3.3V
0V *Q91
0V
KRC402E-P
10k 10.5V
10k
0V
LCD_DATA_SYS
LCD_CE
LCD_DATA_LCD
LCD_CLK
R3
470
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
0V 3.1V S33
61 KI5/S63 S42 40
3.1V 3.1V S32
62 COM8/S64 S41 39
3.1V
3.1V S31
63 COM7/S65 S40 38
3.1V 3.1V S30
64 COM6/S66 S39 37
3.1V 3.1V S29
65 COM5/S67 S38 36
S28
3.1V 3.1V
66 COM4 S37 35
3.1V S27
3.1V
67 COM3 S36 34
3.1V 3.1V S26
68 COM2 S35 33
IC1
3.1V 3.1V S25
69 COM1 S34 32
S24
6.1V 3.1V
70 VDD S33 31
C1 1u 0V BU97550KV-M S23
3.1V
71 VSS S32 30
3.1V 3.1V S22
72 S68 S31 29
1.6V 3.1V S21
73 SDO S30 28
3.1V 3.1V S20
RA3
74 S69 S29 27
3.1V S19
3.1V
75 OSC_IN/S70 S28 26
0V 3.1V S18
76 SCE S27 25
2V 3.1V S17
77 SCL S26 24
0V 3.1V S16
78 SDI S25 23
6.1V
100 P1 3.1V S15
79 S1/P1/G1 S24 22
P2 6.1V 3.1V S14
80 S2/P2/G2 S23 21
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
(No.MA665<Rev.001>)7/19
J60
QNS0320-001
3
AUX
2
C61 C60
1
1000p
1000p
CN1
D61 D60
QGZ2006K1-20X
F_AUXL
F_AUXG
F_AUXR
GND
PANEL3.3V
ILM10.5
LCD_DATA_SYS
LCD_CE
LCD_DATA_LCD
To MAIN PWB ASSY(1/2)
USB_GND
LCD_CLK
(XJ1-217x-0x)
USB_GND
CN701
D+
D-
USB5V
USB5V
REMO
PAN_DET
J80
E5J-0069-00
FL80
L7K-0030-00 VCC
D-
C85 C86 USB
4700p
470p
D+
GND
created date:2017-09-25