Pioneer TX-1070 Schematic

FM
FM
D101
ANT
FM LOCAL OSC
D104
Q102
D103
RF
Q101
D102
BUFFER
AM
MIX
Q105
COM+B
Q103
BUFFER
Q104
FM+B
< FM OSC>
IF Q101
IC101 PA3001 A
11
INVERTER
15
14
4
AM+B
COM+B
SIGNAL METER
TP
SM(FM)
AM+B
D101
2
1
DETE-
IF
3
CTOR
D102
6
5
10
8
91
13
TP
TP
4
2
T METER
3
12
7
MUT NG
CONTROL
16
< FM S METER >
COM+B
Q205
D201
1
2
3
8
IC201
HA12016
5
L
MPX
R
AUTO-MONO CONTROL
Q202
MUTE
4
Q201
MUTE
7
6
12
L
OUT­PUT
R
MPX & MUTING
AM LOOP ANTENNA
D310
<TUNING VOLTAGE>
TP
8
VT
D312
POWER SUPPL
Q521
Q520
FL AC
FL AC
-B
D410
L401
RF
3
2
AM LOCAL OSC
19
Q517
Q516 FM +B
SI POWER
ON
STAND
-BY
VOLTAGE DOUBLER
-22V
D403,D407~D409
T401
PLL
14
15
STEREO IND
COM+B
COM+B
D531
Q522
< TINING >
<FORCED MONO>
FL AC
FL AC
-B
22
23
LEVEL SHIFTER
Q503~ Q506 IC502
PILOT DETECTOR
10
11
9
D602
D538
AM+B
D532
5V
Q523
<MUTE>
FM AM
1888
21
13~19
FL DRIVER
IC501 PD2011B
2~5
5V
SWITCHES B MODE
ESTABLISHMENT
D515~D517 D519~D526 D536
<MONO>
D803
20
COM+B
MUTING DRIVER Q507,Q512 D535
Q513
MEMORY
8
6
~
12
D508
< MUTE >
MHz kHz
INVERTER
IC502 TD62504P
D505
IN
D402
14
IF
9
AGC
1
<AM OSC>
10
11
1
12
16
C519
R501
Q501
D501
R501
R502
+
C501
10
SIGNAL METER
12
TP
SM(AM)
IC 503 TC9172P
PHASE
COMPARATOR
CONTROL
8 9 3
7
6
5V
D506
C512
C502
D503
R503
D502
D504 Q502
11
13
DET
17
15
16
1
PROGRAMMABLE DIVIDER
<POWER ON OFF MUTE>
R507
C504
D309
5
4
<STB>
33
34
DD
V
42
38
INHIBIT
<CK>
35
NT
1
15 14 13
2
<SO>
36
GND
NH
Q804
D802
37
DIVIDER
TEST
2530
3239
Q602
D603
MANUAL AUTO IND
< FM OSC >
<AM S METER>
< REF >
MONO IND
41
QUARTZ
OSC
26
27
Q603
D604
FREQUENCY/ CHANNEL IND
13
VCO ADJTP
5
VCO
CONTROL
FM+B
<FM S METER>
D801
COM+B
Q803
D511
40 312829
Q601
D601
SELECT IND
COM+B
D530
24
16
C.P.U.
Q604
D605
TUNED IND
5
8
6
MIX
7
BUFFER
IC301 LA1247
13
20
COM+B
Q515
<FM>
IC401 NJM78M13A
OUT
D404
Q514 D509 5V
<AM>
COM+B
D411
D403
D401
4
18
PLL
AM +B
Indicates the transistor section of an inherenet resistor transistor.
Indicates a transistor that does not have an inherent resistor.
PAL FM 75
FRONT - END ASSEMBLY
Q101: FM RF AMP
L101
L102
C101
TC101
10P
Q101, 103, 104
2SK241 Y
Q102
2SC2668
Q105
2SC2786 L
D101~104 ISV147
TC101 ACM 014 L101 ATC 192 L102 ATC 248 L103 ATC 247 L104 ATC 214 L105, 106 ATH 049 T101 ATC 194 T102 ATE 063
SWITCHES: SWITCH ASSEMBLY (1)
S1 POWER ON-STAND-BY
SWITCH ASSEMBLY (2)
S2 TUNING - (DOWN) S3 TUNING + (UP)
DISPLAY ASSEMBLY (1)
S4 SELECT (STATION MODE) 9-16 S5 FUNCTION FM S6 FUNCTION AM S8 STATION CALL 8/16 S9 STATION CALL 4/12 S10 STATION CALL 5/13 S11 STATION CALL 6/14 S12 STATION CALL 7/15 S13 MEMORY S14 STATION CALL 1/9 S15 STATION CALL 2/10 S16 STATION CALL 3/11 S801 : FM MONO
DISPLAY ASSEMBLY (2)
S17 MANUAL/AUTO S18 FREQUENCY/CHANNEL
The underlined indicates
the switch position.
AC 220V 50/60 Hz
AC POWER CORD ADG 095
1. RESISTORS. Indicated in R, 1/4W, 1/8W, 5% tolerance unless otherwise noted k, K, M, M, (F), 1%, (G); 2%, (K); 10%, (M); 20% tolerance
R102
Q101
47
11 5
D101
R104 220
R101
47K
C107 0 022
C113 15P
GND
AM LOOP ANTENNA ASSEMBLY ATB 102
!
AWB 065
L103
C104
39P
T101
C102
C103
39P
0 01
Q102 FM LOCAL OSC
Q102
C118 0 01
7 8
7 2
R109
C114 33P
18K
L401
R111
A
B
C115
8P
R110
12K
6.8K
C
C
D102
C106
39P
C105 33P
R103
47K
L105 2 2µH
L104
C116 18P
D104
PML
F
M
L
F
P
T301 AM ANT
TC301
C334 0 022
R304 150
VR201 VRTB6VS332 C512 ACH 902 TC301, 302 ACM 015 L101 ATE 074 L102 ATH 049 L301 ATB 100 L401 ATF 163 F101 ATF 107 F102 ATF 119 F201 ATF 146 F301 ATF 133 T301 ATB 099 T401 ATS 096 V501 AAV 036 X301 ATF 125 X501 ASS 025
IC301 AM TUNER
LA1247
FU1: AEK 407
FU 1 T400mA/250V
T401
!
!
Q105: FM MIXER
C108
1P
C109
2P
R105 47K
C119 0 01
Q103
Q103, 104 BUFFER
VT
E
E
D310
C316 0 01
C315 100P
IC301
BUFFER
C317 1000P
D403
D404
C403 100/35
C404 100/63
2 8
!
R301 47K
C306 0 022
AGC
!
!
L106 2 2µH
C111
100P R106 820K
R112 220
11 1
132
5 5
20
R305 47K
D312
OSC ALC
5 4
D401
!
D405
!
D407
D408
Q105
5 4
19 18
2 2
C318 0 047
D402
COMPLEX ASSEMBLY GWM 481
R107 100
R108 220
C110
1P
Q104
C310 15P
C314 0 022
R322 10K
C331
4.7/50
2 1
RF
4
2 8
IC401 REGULATOR
20
IC401
NJM78M13A
!
IN
C401 1000 /35
C405 100 /63
!
R401
!
2 2k(1W)
LF
T102
OUT
K
K
R101
D
D
H
J
C329 10/25
R318
100
2 2
14
8
7
8 1 8 1
13
220
R13 180
C20
C518
33/16
1000P
Q520, 521 FM+B SWITCHING
Q516
Q516, 517 AM + B SWITCHING
R320 150
R324 27K
C326 0 01
C325
R317
1000P
1K
0
0
13
12 11
DET
IF
10
9
4 7
2 8
C320 0 022
F301
R501 5 6K
22
502
1
502
ON
2
STAND BY S1 POWER ASG 413
SWITCH ASSEMBLY(1)
Q521
Q517
C332 0 015
S1
C112 0 01
12 5
11 1
TC 302
C330 1/50
X301
1 3 9 8
16
5
7 3
C319
1.5K
0 01
D409
LOCAL OUT
AM OSC L301
R321 10K
C327 047/50
R319 82
15
METER
MIX
6
2 1
!
OUT
H
J
C402 47 /25
C407 100 /35
D410
R113 220
C311 430P
17
AGC
0
R310
2. CAPACITORS. Indicated in capacity (µF)/voltage (V) unless otherwise noted p, pF. IndicatIion without voltage is 50V except electrolytic capacitor.
R102
220
Q520
13
C501
R311 330
C321 10/25
1 /50
502 3
502 4
502 5
F101
D501
R502 5 6K
R104
13
100
R103
R526 100K
D532
D533
R325 47K
D309
R403
!
150(2W)
D411
Q522
C502 4 7 /50
Q101
2
R105 1 2K
R108
270
220
C102
0.01
C101 0 01
R106 220
Q522, 523 SWITCHING
R524
C510 33 /16
C511 3 3 /50
Q501, 502: INHIBIT
C408
220
/16
Q501
R503 47k
Q101:
F102
FM IF AMP
R107 330
R530 10K
D531
D502
220
R525
1K
Q515
D503
R523 10K
D504 R505 3 3K
D505
R504 3 3k
R528 22K
R529 100K
C508 0 01
C509 1 5/50
Q514, 515 DC AMP
SWICHING
C519 33/16
Q523
R522 10K
R506 10k
3. VOLTAGE CURRENT.
mV
2
1
SM
SM AM
R323
C335
10K
4 7 /50
C103 0 022
D101
R109 22K
D530
R527
10K
R521 10K
Q514
Q513
Q513: AUTO STOP COTROL SWITCHING
R507 47K
D508
Q502
: DC voltage (V) at no input signal : Signal voltage at FM 400Hz÷75kHz DEV.
R115 15K
FM
C104 0 022
1 9
1
LEVEL
DET
IC101
16
C516 1000P
R534 10K
R110 330
IC101: FM IF AMP &DET PA3001A
1 9
1 9
2
3
4
IF
METER
INV
15
14
0
3 6
R114
C109
10K
1
/50
D509
C517 1000P
V501 PIN CONNECTION
2
1
NO
3
FM
AM
F
MHz
kHz
14
NO
15
16
4G
DP
8G
FM AM
C105
4P
0
0
5
MUTE SW
DET
L SET
INV
12 11
13
C112
0.022
IC 503 PLL TC9172P
IC 503
9
10 D02 11 D01 12 TEST
13
AM IN
14 GND
15 FM IN
16 VDD
C507 47 /25
D506
C514
1000P
5
4
8G
b7 18
17
3G
g
7G
b7
f
e
c7
888
6G
d
C106 220P
a g
R111 22K
5 2
6
12 6
L102 2 2µH
13
R533
6
c7 19
2G
b c
Q102
C107
1
/50
5 6
7
0V
SW
10
5 6
C110
47 /25
8
AM
7
FM
6
NC
5
STB
4
CK
3
S1
2
REF
1
GND
470
C512 0 047 /5 5
7 7G 20
a2, c2
1
d2 f2
5G 4G 3G
DP
INH
3.3K
39
K2
4
VCOADJ
C209 1000P
C204
0.047
38
INT
K3
5
Q505
5
VCO
R214 5 6K
R215
1K
3
16
IC201
1
11 9
C203 1/50
R207 18K
D201
R208
C205 220 /16
Q507 MUTING
BUFFER
R532
3.3K
36
37
S1
REF
D0
D1
6
789
D521
D522
5
Q503~5 LEVEL STER
C210 3 3/50
C211
1/50
2 5
2 5
13
14
15
PLL & SWITCH
MPX OEM
PRE
POST
AMP
AMP(L)
3
2
5 4
3 7
C207 1000P
R209 47K
18K
R211 3 9K
C206 47/25
Q507
R516 22K
D511
33
34
35
STB
CK
SO
D3
D2
D4 10
D524
D523
IC502
TD62504P
R217 10K
R216 100K
C212 3 3/50
2 5
0
12 11
+
+
67
5
4
5 4
0 1
R213
36K
R517 4 7K
32
31
TEST
MUTE
D7
D6 11 121314
D515
D516
D525
D526
1
2
3
4
5
6
7 8
IC201: MPX HA12016
2 5
2 5
10
POST AMP(R)
0 1
5 4
R210
47K
R212 3 9K
30 P1 2
a
IC502
16
15
12
11
9
LAMP DRIVER
8
29
4
b
14
13
10
9
R218 15K
0 7
0
C208 1000P
R220 6 8K
28
3
c
15
D803
R805
P2
IC101
PA3001 A
IC201
HA12016
IC301
LA1247
IC401
NJM78M13A
IC501
PD2011B
IC502
TD62504P
IC503
TC9172P Q101 2SC2668 Q201, 202, 205, 507, 514, Q515 2SC2458 Q501, 512 2SA1048 Q502, 513, 517, Q521~523 RN1203 Q516, 520 RN2201
D101, 102, 309, 501~506, D508, 509, 511, 515~517, D519~526, 530~533, 535, D536, 803 1SS131 D201, 401~405, 407, 408 S5566 D310, 312 SVC321C2/D2 D409 RD22EB D410 RD4 7EB D411 RD6 2EB
C213
R219
1/50
6 8K
R221 7 5K
R222 7 5K
C214 1/50
5.6K
26
25
27
1
2
e
d
161718 19 20
R509 47K
R510 47K R511 47K
R512 47K
R513
47K R514 47K
R515 47K
R518 4 7K
4
f
Q512
24
3
g
C215 1800P
216
23
P3
D517
D519 D520 D536
1800P
2
h
(K0) (K1) (K2) (K3)
R224 390
Q201, 202 MUTING
R223 390
R519
Q512 MUTING
22
VFL
21
D535
1M
1
R225 100
Q201
Q202
R226 100
CONTROL
DISPLAY ASSEMBLY (2)
Q602~604
RN1203
LED DRIVER
505
9
505
R
OUTPUT
FM
650mV
150mV
AM
L
505
4
505
1
504 505 6 505 5 504 8 504 7
504 9
501 4
501 5
501 3 501 2
504 1 504 2 504 3 504 4 505 9 505 8
CC
503 6
503 5
503 4
503 3
503 2
501 1 505 7 505 3
504 5 505 2
8
505
7
505
5
505
4
505
3
505
2
505
1
501 1
501 2 501 3 501 4
501 5
DISAPLAY ASSEMBLY (1)
504
Q601, 803, 804
6
LED DRIVER
504
8
Q501
504
7
504 9
504 3
504 1 504 2
504 3 504 4
503 6
503 5
503 4
503 3
503 2
503 1503 1
S18
Q602
Q603
Q604
SWITCH ASSEMBLY (2)
S2
S3
S2, 3 ASG 711
R601
S13
S9
S8
S5
S17
(SELECT)
D601
MANUAL /AUTO
FREQUENCY /CHANNEL
R603 1 5K
R604 1 5K
R605 910
TUNING (DOWN)
TUNING+ (UP)
S14
S10
S4
S6
D602~604
AEL 451
D605 AEL 424
S17, 18 ASG 711
(MANUAL/AUTO)
D603
D604
(FREQUENCY /CHANNEL)
D605
(TUNED)
R602 1K
D602 (STERO)
Q803
S16
S15
S12
S11
S801
R804
(MONO)
910
D801
Q804
R807 47K
D802
Q601, 803, 804
D601 AEL 451 D801 AEL 424 D802 ISS131
S4~6, 8~16, 801
R808 47K
RN1203
ASC 711
3
4
T METER
R201
R229 220
C219 33/16
F201
C202
680P
C505 33P
42
VDD
82K
VR201
R206
4.7K
C506 33P
X501
7 20MHz
41
40
XT
XT
R112
C108
18K
0 01
5 6
8
R113 18K
9
5 6
L101
C113
C111
0 022
0 047
R202
C201 4 7/50
220k
R203
47K
R204
4.7K
Q205
Q205: AUDIO AMP
R205
1.8K
C504 1/50
IC 501 CONTROL PD2011B
K0
GND
K1
2
3
1
FREQUENCY
V501
(CHANNEL)
4, 7, 15, 22
C513
C503
1000P
1000 /6
9
10
8 a
b
6G
23
21
22
g2
1G
2G
g2
a2
b2
f2
8
c2
d2
e2
11
c
24
b2 e2
1G
MEMORY
MHz kHz
8, 21
5, 6, 9, 24
2, 12 3, 16
20, 25 14, 18, 23 26
12 d 25
26
MEMO RY
10 13
17
19
11
1
13 5G
F
Q503
)
KO
Q504
) (K1)
(K2)
(K3)
Q506
!
The mark found on same component parts indicates the im­portance of the safety factor of the part. There fore, when replacing, be sure to use parts of indentical designation.