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6-13. SCHEMATIC DIAGRAM – MAIN Section – •
TP501
TP502
RADIO
BAND
R601
R603
R605
R609
220k
220k
100k
47k
R602
R604
R606
R608
R610
R612
470k
100k
47k
22k
22k
10k
S601
S602
S603
S604
S605
S606
5
4
3
2
1
TIMER
EST
PRESET TUNING/PRESET TIMER
ON/OFF
SELECT/
PRESET
R613
R615
R619
220k
100k
47k
R614
R616
R618
R620
R622
100k
47k
22k
22k
10k
S607
S608
S609
S610
S611
-
+
MODE
CLOCK
AUTO
OFF
RV601
20k
-1
-2
TUNE/TIME SET
VOLUME
TIMER SET
(Page 31)
See page 33 for Waveforms.
SEG6
SEG6
SEG5
SEG5
SEG4
SEG4
SEG3
SEG3
SEG2
SEG2
SEG1
SEG1
SEG0
SEG0
(CD73:CND,UK,MX)
R433
10k
VERSION0
(CD73:UK)
R435
10k
VERSION1
(CD73:IT)
R437
10k
VERSION2
B3
R553
C405
POWER ON
47k
0.01
B1
R438
1k
R ON
C406
R439
1k
R552
R554
R556
0.01
NC
22k
22k
10k
R440
10k
NC
R441
10k
NC
S501
S502
S503
R442
10k
NC
R443
10k
NC
R444
10k
CD
OFF
AVDD
ON
L401
FSEQ
100µH
NC
C1
R445
1k
R455
100
CNP601
6P
1
R452
100
R449
100
6
Q401
2SC4081
WAKE UP
SWITCH
C460
1000p
R491
100k
C453
0.01
R510
220k
R494
R276
220k
C252
0.47
C251
4700p
R253
2.2k
R252
10k
R275
4.7k
0.047
Q251
2SC4081
FILTER AMP
CNP602
C253
3P
100p
R254
R277
470
220k
R154
C153
R176
R177
470
100p
220k
220k
0.047
Q151
2SC4081
FILTER AMP
R152
10k
R153
2.2k
C152
0.47
C151
4700p
R175
4.7k
LCD401
LIQUID CRYSTAL DISPLAY
C403
C402
C401
R401
2.2
2.2
2.2
100k
R405
R403
100k
100k
R409
10k
R488
BATT CHK M
R487
B MUTE
R486
A MUTE
R485
LOAD
RESET
X2
X1
VSS0
VDD0
XT2
SYSTEM CONTROLLER
XT1
IC401
µPD789477GC
IC
-A33-8BT
R479
NC
R478
NC
R CE
R DATA
R CLK
COUNT
MUTE
CD OPEN
R458
10k
D403
RB411D
R497
R507
1k
220k
R446
R448
1k
1k
C455
R498
0.01
220k
R508
220k
R509
R493
R501
R495
220k
220k
220k
100k
220k
D353
1SS355
D354
1SS355
R268
0
C261
R272
4.7k
C255
R257
R259
0.01
100k
1k
Q254
2SC4081
C351
R278
C262
R274
C263
R256
C260
AGC
47
100k
0.1
1k
1000p
10k
1
4V
C161
R172
C163
R156
C160
4.7k
1000p
10k
1
C155
R157
R159
0.01
100k
1k
R174
1k
R178
C162
Q154
R168
100k
0.1
2SC4081
0
AGC
R279
4.7k
R179
4.7k
29
29
C437
100
4V
R407
22k
C458
0.01
Q406
R489
DTA114EUA
470k
LOAD
RESET SIGNAL
R505
CONTROL
220
GENERATOR
SWITCH
IC402
1k
XC61CN2002MR
1k
RST
V
G
1k
1k
C440
R484
0.01
10k
R482
0
C439
22p
R506
22
C438
22p
X402
4.19MHz
R504
C435
0.1
C436
2.2
L402
100µH
22
R480
0
C434
22p
C447
C445
C433
0.047F
0.01
X401
32.768KHz
22p
5.5V
10k
10k
R477
1k
A1
R476
1k
A2
R475
1k
A3
Q403
R474
1k
A4
DTA124EUA
R473
1k
A5
MUTING
CONTROL
SWITCH
R471
10k
1000p
Q405
DTS144EUA
DC
MIDDLE VOLTAGE
CONTROL SWITCH
R499
R500
220k
220k
R352
100
C353
R262
47
100k
4V
R261
C256
R265
R267
1k
0.47
22k
0
Q252
Q253
C258
2SC4081
2SC4081
C352
0.47
47
4V
Q252,253
R260
R266
R264
LINE AMP
1k
100k
22k
Q152,153
R160
R166
R164
R353
1k
100k
22k
1k
LINE AMP
R161
C156
R165
R167
1k
0.47
22k
0
Q152
Q153
R162
D352
C158
2SC4081
2SC4081
100k
1SS355
0.47
ICF-CD73/CD73V
Ver. 1.1
D401
RB411D
+3.3V REGULATOR
D402
IC403
RB411D
XC6201P332PR
O
I
G
2
2
1
1
S551
(CD LID OPEN/CLOSE)
R472
220k
(ICF-CD73V)
S GND
1
VT
GND
RCH
C407
R +B
(Page 27)
LCH
A1
R CE
A2
PLL DATA
A3
R CLK
A4
COUNT
A5
MUTE
(Page 25)
11
CNP401
11P
(ICF-CD73)
L404
µCDM-GND
VT
R +B
L405
B1
R ON
B2
AC IN
VM
B3
POWER ON
B4
BUZZER
(Page 31)
AMUT
AGC
+B
R351
1k
D351
1SS355
R354
100
C354
CNP402
47
13P
4V
C1
FSEQ
Q301
C2
DRF
2SC4081
C3
DO
AGC
CONTROL
C4
WRQ
SWITCH
C5
CL
C6
CE
C7
DI
C8
RES
RCH
(Page 23)
LCH
+3.3V
C9
CD ON
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