TEAC R2 Service Manual - Page 19

Tuner Pcb

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TUNER PCB TUP1 TUNER PACK GND 7 B.P.F CF1 L10.7MA5-A C35 104 CW6 CN6 FM ANT 1 2 VCC-IN 1 2 VCC-OUT CW5 CN5 2P P=2.5MM C50 30PF XT1 4.5MHZ C51 30PF L1 AM IFT R42 47K D3 1N4148 R484K7 SW1 2P P=2.5MM FM ANT 1 2 R51 15K 3 4 5 6 7 8 9 10 XT DO2 20 XT DO1 19 PERIOD SCIN 18 CLOCK IFN1 17 DATA I/O-9 16 IC2 TC9257F OT-1 GND 15 OT-2 FMIN 14 OT-3 AMIN 13 OT-4 VDD 12 I/O-5 I/O-6 11 2SC945 Q4 R58 10K C52 104 C53 R55 100/16 560 R47 10K C54 104 C55 103 C56 100/16 R56 47 R39 6.8K R49 47 L5 47uH R59 10K VT C36 220PF Q5 2SC945 R41 10K 2SC945 3K3 Q3 2SA733 R40 Q2 C43 223 C41 100PF C37 2.2/50 104 470/16 C48 C49 R24 10K TC1 20PF L3 AM ANT VD1 ISV149 R21 3K3 C20 223 R23 330 C21 104 2SC945 CF5 Q1 R18 100 R206K8 R22 1K R25 100 CF6 L10.7MA5-A R26 10K D1 1N4148 D2 1N4148 C1 102 1 ANT 2 AGC 3 VCC 4 FM V T 5 FIOUT 6 OSC R1 47K C2 104 C22 223 L2 AM OSC R2 270 CF2 450B C5 C7 1K R45 VD2 ISV149 C42 8PF C44 30PF C45 330PF R44 1K 10K R28 100PF 153M 1 R27 7K5 2 R29 5K1 3 R30 100 4 C23 103 5 6 C24 10/16 7 8 9 R31 10K 10 11 R32 10K 12 24 AFMINR FM F I IN C3 100/16 23 AM SS E MOIUXT 22 FM SSE VSTB 21 AM OSC FM IN AI 20 CF3 10.7GMA5 AM OSC QUAD 19 VCC FM OUT R3 120 C4 220PF AGC GND 18 AM OUT 17 IN DET C6 10/16 R4 22K IC1 TA2057N IFOUT 16 LPF1 R5 TULED 15 LPF2 C8 10/16 33K 14 ST VCO R6 22K C9 683M ROUT 13 LOUT C10 823M R35 33K R34 5K1 R33 5K1 R7 33K C26 153M C25 153M C47 102M CF4 B456F16 C11 823M IC3 LC75342M C46 102M R46 10 16 17 18 C27 1/50 19 20 C28 1/50 21 22 C29272 23 C30473 24 C31 473 25 26 C32 470/16 C33 1/5 027 C341/50 28 29 30 NC NC R1 L1 R2 L2 R3 L3 R4 L4 RSELO LSELO RI N LIN RTRE LTRE RBASS1 LBASS1 RBASS2 LBASS2 ROU T LOUT TIM TEST VREF VSS VDD CE CL DI C12 1/50 15 14 13 C131/50 12 11 C14 1/50 10 9 C15 1/50 8C 16 272 7C 17 473 6C 18 473 5 C 4 19 1/50 3 2 1 R9 10K R10 10K R11 47K R12 47K R13 22K R14 22K R15 6.8K R-2 AM/FM RECEIVER +5V-1 R IN L IN TU VCC 15 GND +5V-2 RENC2-A RENC2-B RENC1-A 11 RENC1-B PW/C TU/C KEY1 6 KEY0 ADPT LED LED IN VB TU VCC 1 VB 2 LED IN 3 LED 4 MUTE ADPT 5 6 KEY0 7 KEY1 8 TU/C 9 PW/C 10 RENC1-B 11 RENC1-A 12 RENC2-B 13 RENC2-A +5V-1 14 15 GND 16 BUZZ 17 CN2 CW3 GND 5 MUTE L OUT 4 3 A GND 2 R OUT 1 CN4 GND 1 IF/MUTE 2 CE 3 TU-DATA 4 TUNERD 5 DATA 6 CLOCK 7 PERIOD 8 VT VCC 9 CN1 18 17 16 14 13 12 10 9 8 7 5 4 3 2 1 FROM MAIN PCB FROM DISPLAY PCB FROM POWER PCB

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AM/FM RECEIVER
R-2
CF6 L10.7MA5-A
CF5
L10.7MA5-A
R25 100
R18 100
R21 3K3
R206K8
R23 330
Q1
2SC945
R221K
C20
223
R5115K
L5
47uH
C21
104
XT1
4.5MHZ
Q2
2SC945
C50
30PF
C51
30PF
C41
100PF
R45
1K
D2 1N4148
R41
10K
D1
1N4148
R44 1K
C54 104
C55 103
Q5
2SC945
R40
3K3
R56
47
C37
2.2/50
C56 100/16
C52
104
R55
560
PERIOD
R47
10K
CLOCK
Q3
2SA733
DATA
C53
100/16
TU-DATA
C49
470/16
IF/MUTE
C1 102
R46
10
CF2
450B
R2
270
R3
120
CF3
1
0.7GMA5
C5
100PF
C6
10/16
C8 10/16
R4 22K
R5
33K
C7
153M
C9
683M
R6 22K
C11
823M
R32 10K
R31 10K
C2410/16
C23 103
R30
100
R29 5K1
R27
7K5
C4
220PF
R24
10K
TC1
20PF
VD1
ISV149
C22
223
C35
104
R26 10K
VD2
ISV149
C45 330PF
C44 30PF
R28
10K
C42
8PF
C43
223
C48
104
C3
100/16
C2
104
R42
47K
R1 47K
R33
5K1
R34
5K1
C26
153M
C25
153M
C10 823M
AM
R
F
I
N
1
AM
S
S
E
2
FM SSE
3
AM OS
4
AM
SC
O
5
VCC
6
AGC
7
GND
8
IFOUT
9
TULED
10
ST
11
ROUT
12
L
OUT
13
VCO
14
LPF2
15
LPF1
16
DET
IN
17
AMOUT
18
FM OUT
19
QUAD
20
A
M
I
F
IN
21
VSTB
22
M
IX
OU T
23
F
M
I
F
IN
24
IC1
TA2057N
XT
1
XT
2
PERIOD
3
CLOCK
4
DATA
5
OT-1
6
OT-2
7
OT-3
8
OT-4
9
I/O-5
10
I/O-6
11
VDD
12
AMIN
13
FMIN
14
GND
15
I/O-9
16
IF
IN1
17
SCIN
18
DO1
19
DO2
20
IC2
TC9257F
ANT
1
AGC
2
VCC
3
FM VT
4
I
F OUT
5
OSC
6
GND
7
TUP1 TUNER PACK
L1
AM IFT
L2
AM OSC
L3
AM ANT
DI
1
CE
2
VSS
3
TEST
4
LOUT
5
LBASS2
6
LBASS1
7
LTRE
8
LIN
9
LSELO
10
L4
11
L3
12
L2
13
L1
14
NC
15
NC
16
R1
17
R2
18
R3
19
R4
20
RSELO
21
R
IN
22
RTRE
23
RBASS1
24
RBASS2
25
ROUT
26
TIM
27
VREF
28
VDD
29
CL
30
IC3
LC75342M
C
18
473
C
17
473
C
16
272
C29272
C30473
C31473
C141/50
C131/50
C271/50
C12
1/50
C28 1/50
C15 1/50
C331/5
0
C
19
1/50
C341/50
C32 470/16
R39
6.8K
R15
6.8K
R49
47
R7 33K
R35 33K
TUNERD
CE
5
4
3
2
1
CW3
R13
22K
R14
22K
R10
10K
R9
10K
R OUT
L OUT
A GND
GND
R IN
L IN
VCC-IN
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CN1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
CN2
VT VCC
BUZZ
TU VCC
R11
47K
R12
47K
VB
VB
LED IN
LED IN
LED
LED
MUTE
MUTE
ADPT
ADPT
KEY0
KEY0
KEY1
KEY1
TU/C
TU/C
PW/C
PW/C
RENC1-A
RENC1-B
RENC1-A
RENC1-B
RENC2-A
RENC2-A
RENC2-B
RENC2-B
+5V-2
+5V-1
FM ANT
+5V-1
GND
GND
B.P.F
CF1
SW1
FM ANT
1
2
CN6
2P P=2.5MM
CW5
CW6
VT
TU VCC
17
C36
220PF
D3
1N4148
1
2
3
4
5
6
7
8
9
CN4
GND
C46
102M
C47 102M
Q4
2SC945
R59
10K
R58
10K
R484K7
1
2
CN5
2P P=2.5MM
VCC-OUT
FROM MAIN PCB
FROM POWER PCB
FROM DISPLAY PCB
C
TUNER PCB
CF4 B456F16