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6-23. SCHEMATIC DIAGRAM – KEY Section – •
B8
B9
B10
CN303
23P
A-GND
MIC-OUT
I-MIC
VDD
D-GND
K7
K7
K8
K8
K1
K1
K2
K2
K5
K5
K6
K6
K3
K3
K4
K4
(Page 41)
O-POWER LED
E2
LATCH(ECHO)
E3
DATA(ECHO)
E1
CLK(ECHO)
V-BASS
VM
B10
B10
B9
B9
B8
B8
VDD(STBY)
See page 49 for IC Block Diagram.
R301
R302
R303
R304
R305
R306
0
1k
820
1k
1.2k
1.2k
S301
S302
S303
S304
S305
PLAY/
STOP
TUNING DOWN
PAUSE/
TUNING UP
PRESET
CLEAR
SET
R311
R312
R313
R314
R315
R316
0
1k
820
1k
1.2k
1.2k
S311
S307
S308
S309
S310
TUNER
MODE
ENTER
CD
TAPE A/B
BAND
R321
R322
R323
R324
R325
0
1k
820
1k
1.2k
S315
S316
S317
S318
POWER
DISPLAY
-
+
ALBUM
Q402-407
LEVEL SHIFT
R438
R437
R436
R435
10k
10k
10k
10k
LED201
SLR325-VC
i-BASS
R231
1k
LED901
Q404
SLI325-URC
DTC114EK
Q405
DTC114EK
STANDBY/ON
Q406
DTC114EK
Q407
DTC114EK
R801
R803
10k
10
A
1
C
2
B
3
R802
C801
C802
R804
10k
1000p
1000p
10
S306
R805
R807
i-BASS
10k
10
A
1
C
2
B
3
R806
C803
C804
R808
R317
R318
10k
1000p
1000p
10
1.8k
1.8k
S312
S314
VIDEO/
S313
SYNC DUB
AUX
REC
REC MUTING
CN301
CN302
5P
5P
KEY3
KEY3
D-GND
D-GND
NC
NC
NC
NC
NC
NC
R420
R421
180
180
C438
0.1
C420
0.1
C424
C423
47
R434
R433
10V
10k
10k
E1
Q402
DTC114EK
Q403
DTC114EK
E2
E3
C429
0.1
R425
0
C427
1500p
R439
1k
L401
82µH
C432
C430
C428
150p
150p
0.01
43
43
R809
R811
10k
10
A
S801
1
S803
VOLUME
TREBLE
C
2
B
3
R810
C805
C806
R812
10k
1000p
1000p
10
R813
R815
10k
10
A
S802
1
S804
BASS
MULTI JOG
C
2
B
3
R814 C807
C808
R816
10k
1000p
1000p
10
R326
R327
R328
R329
1.2k
1.8k
1.8k
2.7k
S319
S320
S321
S322
OPEN/CLOSE
3
2
1
DISC DIRECT PLAY
R414
C412
10
1 50V
R423
4.7k
C439
0.1
R408
100
C408
R424
120k
0.1
50V
0.01
1
R413
C411
C425
47k
820p
IC401(1/2)
0.068
NJM4565M-TE2
C407
IC401(2/2)
C416
82p
NJM4565M-TE2
0.1
50V
5
VR401
7
10K
6
MIC MIXING
4
MIC AMP
R432
R412
10k
2.2k
C409
10
C410
50V
22
R409
D401
50V
2.2k
1SS133
C426
0.068
R407
2.2k
DIGITAL ECHO
CX-JV1
S323
DISC
CHANGE
R404
8
6.8k
C404
3
0.22
R402
50V
4.7k
2
R405
J401
2.2k
MIC
R406
270k
C441
0.1
R410
2.2k
C419
0.1
C406
R411
220
2.2k
10V
S
(CHASSIS)
Q401
2SK2158
MIC LEVEL
AGC
C405
1
50V
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