Schematic Diagram - Key Section - Aiwa CX-BK33 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-30. SCHEMATIC DIAGRAM – KEY Section –
R310
15k
R316 R317
470 680
S316 S317 S318
(AEP,UK)
USB
KARAOKE
(E51)
T E
L 1 3 9 4 2 2 9 6 5 1 3
R302
56k
C303
R301
47
47
16V
CN301
4P
GND
KEY1
VDD
STBY
w w w
(Page 57)
.
R318 R319 R320 R321 R322
1k 1.5k 1.5k 2.2k 3.3k
S319 S320 S321 S322 S323
TUNIG + TUNIG - -
ALBUM
JW301 JW302
IC301
RPM7240
REMOTE CONTROL
RECEIVER
R338 R339
3.3k 4.7k
S338 S339
DISPLAY
R345
560
LED302
x a o
SLI-325URC y
(STANDBY)
i
http://www.xiaoyu163.com
8
CN302
5P
VDD
GND
I-RMC
KEY2(OUT)
KEY2(IN)
(Page 57)
R323 R324
4.7k 6.8k
S324 S325
+ REC PAUSE/
CD SYNC
START
Q Q
3 7 6 3
R340 R341 R342
6.8k 10k 15k
S340 S341 S342
FUNCTION TUNER/ EQ
BAND
u 1 6 3
.
59 59
http://www.xiaoyu163.com
2 4
9 9 8
CN005
2P R327
10k
KEY2
GND
S327
(Page 57)
ENTER
CN011
3P
JOG
R377
VDD
68k
GND
R376
(Page 57)
10k
C370
1 5 1 5 0 8 9 2 4
1000p
R379
180k
CN003
2P
VDD
USB LED
LED301
SEL6E10C-5
(Page 57) (USB PORT ILLUMINATION)
m
c o
CX-BK33
2
9 9
R328 R329 R330
15k 22k 33k
S328 S329 S330
TUNER REPEAT/ PLAY MODE/
MEMORY FM MODE TUNING MODE
S304
AMS/
TUNING
R378
C371 15k
100p
A
C
9 8 2 9 9
B
C372 R380
100p 10k
R344
470
R346
1k