TEAC R2 Service Manual - Page 18

Am/fm Receiver

Page 18 highlights

FROM POWER PCB C413 10/16 C419 123FC R437 5K1 C415 563FC R421 27K R425 27K C417 272FC R423 18K IC401 JRC4580D 5 + 7 C427 6- R429 30K 4 C423 R431 564FC 30K C421 334FC C425 104FC 104FC R439 R435 47K 5K6 R427 18K R433 1K5 C429 1/50 R424 18K C416 563FC R422 27K C414 10/16 R428 18K C418 272FC R426 27K R430 30K IC401 3 JRC4580D + 1 2 - 8 R434 1K5 C422 R436 334FC 5K6 R432 30K C426 C424 104FC 564FC R440 47K C428 104FC C420 123FC R438 5K1 C430 IC402 82PF JRC4580D 5 + 7 C434 10/16 6- R441 30K R447 4 C432 222FC R443 30K R449 12K 4K7 ZD401 HZ3.5V R445 1K5 R451 1K C437 103FC R446 1K5 C433 222FC R442 30K IC402 JRC4580D R444 3 30K + 1 2- 8 C431 82PF R450 12K C438 103FC C435 R452 1K 10/16 R448 330 C436 220/16 R453 3K9 R454 3K9 C403 4.7/50 R408 43K R406 47K C404 4.7/50 R407 47K R409 43K R412 56K C40722PF 5 + 7 R414 47 C409 100/16 6- R410 6K8 4 IC403 JRC4580D R415 47 R416 1K C405 0.1/50 C411 47/16 C406 0.1/50 R411 6K8 C412 100/16 2 - 81 3 + IC403 JRC4580D C408 22PF R417 100 C410 100/16 R413 56K CN401 1 L/R I N 2 L I EQ 3 L P HO 4 RP HO 5 R I EQ 6 A-GND CN402 1 R-IN 2 A-GND 3 L-IN 4 MUTE 5 GND FROM TUNER PCB FROM POWER PCB FROM POWER PCB CW301 1 RECN2-B 2 RECN2-A 3 RECN1-B 4 RECN1-A 5 GND 6 KEY0 KEY1 7 L E DVCC 8 R311 150 POWER LED301 BLUE SW315 VOLMUE COM B A SW316 MULTI DIAL C303 100P C304 100P COM B A C302 C301 100P 100P SW301 POWER SW305 SW304 ALARM/CHECK MEMORY R305 15K SW306 SNOOZE/SLEEP SW307 SNOOZE/SLEEP SW308 SNOOZE/SLEEP R304 12K SW309 BASS R307 12K R306 15K R303 15K SW310 TREBLE R308 15K SW303 PRESET SW302 FUNCTION R302 18K SW311 ALARM1 SW312 ALARM2 SW313 CLOCK/ADJUST R309 18K R310 22K CONTROL PCB R456 2K2 R403 100K C401 1/50 R457 10K Q401 2SC945 R401 300K C402 4.7/50 MAIN PCB C439 104FC ! C440 3300/25 TDA7056B IC404 3 VI 6 OUT+ 1 NC VP 2 4 GND1 OUT- 8 5 VC NC 9 GND2 7 CN404 1 VCC 2 GND 4 OHM CN403 1 SP+ 2 SP- SPEAKER R-2 AM/FM RECEIVER

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C427
104FC
C425
104FC
R440
47K
C428
104FC
R443
30K
R441
30K
+
-
IC402<2/2>
JRC4580D
5
6
R439
47K
4
7
8
1
2
3
C435
10/16
R435
5K6
R448
330
R438
5K1
R445
1K5
C423
564FC
C426
104FC
R436
5K6
C424
564FC
C429
1/50
C430
82PF
C434
10/16
C431
82PF
R437
5K1
C436
220/16
R447
4K7
ZD401
HZ3.5V
C432
222FC
R444
30K
R442
30K
R446
1K5
C433
222FC
+
-
IC402<1/2>
JRC4580D
R451
1K
R450
12K
R449
12K
R453
3K9
R454
3K9
C437
103FC
C438
103FC
R452
1K
R431
30K
R429
30K
+
-
IC401<2/2>
JRC4580D
5
6
4
7
8
1
2
3
R433
1K5
C419
123FC
C420
123FC
C421
334FC
R432
30K
R430
30K
R434
1K5
C422
334FC
+
-
IC401<1/2>
JRC4580D
R427
18K
C417
272FC
R428
18K
C418
272FC
R421
27K
C415
563FC
R423
18K
R425
27K
R422
27K
C416
563FC
R424
18K
R426
27K
1
2
CN403
3
1
9
6
5
7
4
NC
VP
NC
OUT-
OUT+
VC
GND1
2
8
VI
GND2
IC404
TDA7056B
SPEAKER
SP+
SP-
R401
300K
C401
1/50
R403
100K
C402
4.7/50
A-GND
PH
R
O
PH
L
O
EQ
RI
EQ
LI
L/R I N
MUTE
C413
10/16
C414
10/16
+
-
IC403<1/2>
JRC4580D
5
6
4
7
8
1
+
-
IC403<2/2>
JRC4580D
2
3
R416 1K
R407
47K
R406
47K
C409
100/16
C410
100/16
R412 56K
R417
100
R413 56K
R414
47
C405
0.1/50
R408
43K
R409
43K
R410
6K8
R411
6K8
C411
47/16
C406
0.1/50
C412
100/16
C40722PF
C408
22PF
C403
4.7/50
C404
4.7/50
C440
3300/25
L-IN
R-IN
R415
47
C439
104FC
A-GND
GND
KEY1
KEY0
RECN1-A
RECN2-A
GND
RECN1-B
RECN2-B
L E DVCC
LED301
BLUE
SW304
MEMORY
SW303
PRESET
SW302
FUNCTION
SW305
ALARM/CHECK
R302
18K
R303
15K
R304
12K
R305
15K
SW310
TREBLE
SW306
SNOOZE/SLEEP
SW311
ALARM1
SW312
ALARM2
SW313
CLOCK/ADJUST
SW309
BASS
R309
18K
R308
15K
R307
12K
R310
22K
COM
B
A
SW315
VOLMUE
COM
B
A
SW316
SW308
SNOOZE/SLEEP
SW307
SNOOZE/SLEEP
GND
R306
15K
7
6
5
4
3
2
1
8
CW301
R311
150
VCC
Q401
2SC945
R457
10K
R456
2K2
1
2
CN404
1
2
3
4
5
CN402
6
5
4
3
2
1
CN401
POWER
SW301
C303
100P
C304
100P
C302
100P
C301
100P
FROM TUNER PCB
FROM POWER PCB
MAIN PCB
CONTROL PCB
FROM POWER PCB
POWER
MULTI DIAL
!
4 OHM
FROM POWER PCB
AM/FM RECEIVER
R-2