Schematic Diagram - Panel Section - Sony ICF-CD543RM Service Manual
Tv/weather/fm/am cd kitchen clock radio
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Also See for ICF-CD543RM:
- Operating instructions (3 pages) ,
- Specifications (2 pages) ,
- Supplement sheet (1 page)
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5-11. SCHEMATIC DIAGRAM – PANEL Section – •
R418
R417
10k
10k
1
3
S403(1/2)
ROTARY
R421
C410
ENCODER
47k
0.01
TIMER
+
-
2
REMOTE CONTROL
RECEIVER
IC403
SPS-440-VP
V
OUT
G
S406
PRESET TUNING
SELECT/PRESET
2
R610
R621
10k
10k
S407
S401
PRESET TUNING
D.S.T
SELECT/PRESET
SUMMER T
4
R601
10k
S408
VOLUME
S402
CLOCK
-
R614
R625
22k
22k
S409
S403(2/2)
TUNE/TRACK
PUSH
START/STOP
TIME SET -
R605
22k
5
4
S410
OPEN/CLOSE
S404
PLAY MODE
S405
S411
CD
OFF
See page 28 for Waveform.
R422
C409
R419
R420
22k
0.01
47k
22k
R432
10k
AA5
SEG11
AA4
SEG12
AA3
SEG13
Q401
AA2
2SC4081T106R
SEG14
SIRCS
AA1
SEG15
BUFFER
NC
R409
R406
NC
R433
C443
10k
10k
10k
1000p
NC
C404
R407
NC
100p
10k
NC
R408
NC
10k
BB1
NC
R410
OPEN S/W
10k
CLOSE S/W
BB2
R411
10k
TRAY OPEN
BB3
R412
10k
YRAY CLOSE
R413
10k
NC
S412
C407
AVDD
100p
PRESET TUNING
ENCODE+
SELECT/PRESET
1
ENCODE-
S413
PRESET TUNING
SELECT/PRESET
3
R435
*
R429
47k
47k (US)
100k
(CND)
R414
220k
(AEP)
S414
100k
PRESET TUNING
SELECT/PRESET
R434
C408
R429
C411
C412
5
22k
0.01
*
1000p
1000p
DD3
DD2
R423
0
DD1
S415
VOLUME
R424
0
+
S416
TUNE/TRACK
TIME SET +
S417
RADIO
ON/BAND
LCD401
LIQUID CRYSTAL DISPLAY
C403
C402
C401
R401
0.01
0.01
0.01
22k
R403
R402
22k
22k
R405
R404
10k
KITCHEN LED
A MUTE
RADIO ON
CD ON
RESET
X2
X1
VSS0
VDD0
TX2
SYSTEM CONTROLLER
TX1
IC401
X402
µPD789477GC
IC
-A16-8BT
SHIFT 1
SHIFT 0
TRAY MUTE
R CE
R DATA IN
R CLK
R DATA
R431
1k
27
27
D401
SLR-342MCT32
D402
SLR-342MCT32
D403
SLR-342MCT32
0
D401-403
(LCD BACK LIGHT)
D404
SLR-342DU
TIMER
R460
470
R459
1k
CC5
CC6
R458
1k
R457
1k
CC7
C438
47p
C437
C436
L402
47p
2.2
4.7µH
X401
4.19MHz
R455
100
C435
L401
22p
100µH
D405
C434
1SS119-25TD
32KHz
22p
R454
10k
C444
0.01
CC2
R453
1k
CC1
R452
1k
R451
1k
CC3
R450
10k
R448
470k
RESET SIGNAL
GENERATOR
RST
V
G
C429
C430
0.01
0.01
IC402
XC61CN2002MR
CC4
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
[
] : CD play
ICF-CD543RM
Ver. 1.2
R461
470
R462
220
R463
470
R464
220
R465
470
R466
220
CC1
DATA IN
CC2
CE
CC3
CLK
CC4
POWER ON
CC5
MUTE
CC6
RADIO ON
CC7
CD ON
GND
(Page 25)
3.3V
3.9V
GND
OPEN S/W
5V
(Page 23)
BB4
DRF
R430
1k
BB5
AC IN
R436
1k
BB6
WRQ
R437
1k
BB7
FSEQ
R438
1k
BB8
R439
1k
BUZZER
BB9
CLAT(CE)
BB10
CDATA DO
BB11
C CLR
BB12
DATA IN
R443
1k
BB13
XRST
BB3
TRAY CLOSE
(Page 23)
BB2
TRAY OPEN
CLOSE S/W
BB1
BB14
VRDATA
BB15
VRCLK
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