Schematic Diagram - Key Section - Sony CX-BK1 Service Manual

8-29. SCHEMATIC DIAGRAM – KEY Section – •
CN605
21P
NC
STBY
BASS-LED2
BASS-LED2
BASS-LED1
BASS-LED1
TRE-LED2
TREBLE-LED2
TRE-LED1
TREBLE-LED1
VOL_LED2
VOL-LED2
VOL_LED1
VOL-LED1
P BACK_LED2
BACKLIGHIT2
BACK_LED1
BACKLIGHIT1
KEY2
KEY1
(Page 61)
I-RMC
LCK
CLK
DATA
VDD
VM
GND
GND
GND
See page 42 for Waveform.
LED601
SLR-325VC
(DISC SLOT ILLUMINATION)
CN613 CN612
2P 2P
R611
100
C609
0.47
REMOTE CONTROL
RECEIVER
IC603
RPM7238
R607
56k
LED DRIVE
IC601
BU2092F
C607
R608
47
47
16V
A4
A3
A2
R310 R311 R312 R313 R314
15k 390 680 1k 1.5k
S311 S312 S313 S314
1 2 3 4
DISC SELECT
R330
15k
R331 R332 R333 R334
390 680 1k 1.5k
S331 S332 S333 S334
UP
ALBUM/
PLAY LIST TUNING
-1 -2
Q601 Q602
FMA9AT148 FMA9AT148
R616
1k
R617 R622 R618
560 560 560
LED631
SML78420C
(DISC INDICATOR 1)
C608 C621
0.47 0.1
R601
10k
R315 R316 R317 R318 R319 R320
1.5k 2.2k 3.3k 4.7k 6.8k 10k
S315 S316 S317 S318 S319 S320
5
EJECT PAUSE/SET STOP/CLEAR PLAY MODE PRESET
(US)
REC PRESET
(Except US)
DOWN
59 59
Q601-605
LED DRIVE
-1 -2 -1 -2 -1
Q603 Q604
FMA9TA148 FMA9TA148
R623 R619 R624 R620
560 560 560 560
LED632 LED633
SML78420C SML78420C
(DISC INDICATOR 2) (DISC INDICATOR 3)
LED DRIVE
IC602
BU2099FV
LED203
SLR325VC
R335
1.5k
CN606 CN607
5P 5P
S335
POWER
CX-BK1
U5 ~~ ~
-2 -1 -2
Q605
FMA9TA148
R625 R621 R626
560 560 560
LED634
SML78420C
(DISC INDICATOR 4)
LED635
SML78420C
(DISC INDICATOR 5)
R345
LED202
560
SLI-325URC
STANDBY/ON
R346
1k
R336 R337 R338 R339
2.2k 3.3k 4.7k 6.8k
S336 S337 S338 S339
LED203,S339
FUNCTION BAND GEQ i-Bass