Key Section Schematic Diagram - JVC RV-NB50B Service Manual

<Key Section>
IR
OUT GND VCC
1 2 3
R402
R401
RMC
1
KEY1 2
3
VOL+
To Main section 2
CN303 4
VOL-
iPod
GND 5
6 S407
VCC
CN402
CD
S408
SKIP+
CN401
S409
VCC
SKIP-
GND
1
KEY2 S410
2
C403
W VOL+
To Main section 2 3
STOP
CN301
W VOL-
4
POWER
S411
LED 5
S401
NC
S412
S402
FM
S403
SOUND
S404
Preset Tu
S405
FM MODE
S406
CN408
CN409
1 1
2 2
3
3
LCD-9P
LCD401
6
LCD CS
5
LCD WR
To Main section 2 LCD DATA 4
CN304
BACKLIGHT 3
2
GND
VCC 1
CN403
IC401
Power board(1)
C401
CN601
2.0/4P
AC DETJ
1
BUP
2
To Main section 4
GND
CN101 4A/125V
3
VCC F601
4
2P/2.5
Power board(2)
HP L
GND
HP R
HP DET
HP JACK
6
4
1
3
L440
To Main section3
2 2
CN031
1
3
5
4
JK440
NOTE) Warning
Parts that are shaded are critical
With respect to risk of fire or
electrical shock.
AC IN
CN604 CN605
CN606
2P/2.0 2P/2.0
1
2
1 1
2 2
10K
R601
SPS
JK602
PROTECTOR
4A/125V
F602
BAT TERMINAL
BATTERY
1 GND 1
MAIN BT 15VOLT
2 BAT 2
2P/2.5
CN602 CN603
2-6