Pioneer TX 1070 Schematic

This is the 2 pages manual for Pioneer TX 1070 Schematic.
Read or download the pdf for free. If you want to contribute, please mail your pdfs to info@audioservicemanuals.com.

Page: 1 / 2
left right
Pioneer TX 1070 Schematic

Extracted text from Pioneer TX 1070 Schematic (Ocr-read)


Page 1

FM MPX & MUTING

,_ ........................................... ,- ---------------------------------------


' 9103 COM+B AM+B !
FM FM+B FM+B I COM 5
IANT D101 % {3101 g I i + H (D 0202
0 j b --1 D | - L .
/_\ fl IF DETEr 6 N
g E 0101 101 ES CTOR | - UTE ©
| 4 0105 I 5 i I
i 0102 . I _____ OUT
. |C101PA3001A 1o 9 8 _I 2 I _ 0201 PUT
I 3 QB I
l FM LOCAL OSC SIGNAL I5 E I A - UTE :0)
. n 28 i 5 ' LI-l R
6 - - - .
I »{ Bus)? | g _ J: W
I ICZO1
104 E i HA12016
v .

I_. FL AC inENDm

4 FL AC VOLTAGE
I * .5 DOUBLER fl

- | g I- D I 5
. g» 4%? I I >I= 6W
. L _sz _ ICIOI 3 I . 4 4 2-5 PD2011B
. D410 0403,0407 NJM78M13A E 4% L I II 5V D50
' I

T INHIBIT LEVEL IsIIWITcHEs a INVERTER

D411

I
i AUTOVMONO
- CONTROL
I ®
I I I I I
I
' PILOT
I ©+ PLL DETECTOR
I
' I
I
- @1569 D
. LHIJ I If
6 MUTING
DRIVER
BUFFER SIGNAL 0 STEREO 5 0507,0512
METER 1 w IND g D535
I: g COM+B [1502
I II ............................ _
16 V
TP 1
5 MIAMI""""""" _?9NTI?9£._._._._._._._._ _._._ _
I
r ..................................... I i m
_ . A A - I5
IC 503 TC9172P I E E ! 2
- I-
pHASE PROGRAMMABLE 1 I E w ' V
COMPARATORDIVIDER 1 3+ 2 2 i i
1 " w - FM+B
. 2 2 I
I 2 I < Ii _
I I ' V I
I .
I
CONTROL i
I A
. IL
I E ' D530


i _ FORCED MONO>
' I
I - FLAC-> MEMORY
i i I III I a a 3 3an
. 0517 45v . I FL AC-> 0 kHz
| D506 ' '
(2512 - I 'Cl-I
N . ,B
I 52 H .£. I e. _I II
I :I - 3 13-19
- 516 1-2 @6396??? @@ w
I LFM LLAM I 1.1. I
i *3 *3 i B ' QUARTZ
. SI POWER I g I DIVIDER OSC EIRIVER e
I ON COM+B . II I I C.P.U. :5 I
I I § 2
O
- %

0602 SHIFTER ODE

I ¢ESYAELISHMENY (I: Ic5oz
i D603 7 f); {If D601 {7 (if 503 0505 12. TD52504F
. Ic502 -o o-

MANUAL
I AUTO IND_ D515-D517
| FR quNCYI TUNED D519~D526
' CHANNEL IND IND D536
I A COM+B

K K IndIcales (he transIslor Section of an inherenel resIslor transistor.
I

® ® Indicates a (ransislor that does not have an Inherent resistor.

Page 2

pALI FRONT - END ASSEMBLY

0101: FM RF AMP
75 0101


' 010111051104 1.0107
I 251(241 Y I 0 022
' 0102 2502550

I 0105 2502785 L

' 0101-104 15v147
T0101 ACM 014

LOOP ANTENNA'

ASSEMBLY
ATB 102

SWITCHES:
SWITCl-I ASSEMBLY (1)
s1 POWER O_N-STAND-EY
SWITCH ASSEMBLY (2)
52 TUNING - (DOWN)
55 TUNING + (UP)
DlSPLAY ASSEMBLY (1)
s4 SELECT (STATlON MODE) 9-15
55 FUNCTlON FM
55 FUNCTlON AM
55 STATION CALL 0115
s9 STATION CALL 4112
s10 STATION CALL 5/13
511 STATION CALL 5/14
512 STATION CALL 7/15
513 MEMORY
s14 STATlON CALL 1/9
s15 STAT/ON CALL 2/10
515 STATlON CALL 5111
$501 : FM MONO
DlSPLAY ASSEMBLY (2)
s17 MANUAL/AUTO
s15 FREQUENCY/CHANNEL

The undenined ludicates
the switch position.

AC 220v
50/50 Hz

AC POWER CORD

ADG 095

1. RESISTORS.
Indicated in R. 1I4W. 1/8W, 5% tolerance unIess otherwise
noted k. K. M M, (F). 1151(5); 2%1(K): 10%, (M); 20% tolerance


R529
100K

COMPLEX ASSEMBLY GWM 451
,_ _._._._._._._._._._._._F1.02_ ......... IsM®SI/T .........................
R102 F101 1:104 0101 5 1 FM lFAMP AM FM
1 1:1 1
1, _1 C555£ R323
47 I 10K
/50
R10 0105
550 00221-f
1.0101
TD 01 0101 1:
R109
052° gm [9523 22K
Y 0550
C515 ax
(mop R520 0523 91:?
22K
0521

._._._._._._._._.J

5201 521
FM¢E SWITCHING

0522, 525 SWITCHING

VR201

0101 2502555
020112021205150715141
C2458

05011512 25A1048
(1502151515171 0521-525 RN1205
05151 520 RN2201

01011 10215091501-5061
0508150515111515-5171
0515-525 550-555 5551

(5)700 ___________ _ _ ___________________ 1

PA5001 A
HA12015
LA1247
NJM78M13A
PD2011B I
T052504P

TC9172P

I
551505 155151 I
02011 401-4051407 408 55555 -
SVC521c2/02 I
R022EB -
R04 7E0 I

R05 2E0

1:201. 202 74011116
R225 .

vR201 VRTB5VS552
C512 ACH 902
T0501, 502 ACM 015

ATE 074
ATH 04B
ATB 100
ATF 155
ATF 101
ATF 115
ATF 145
ATF 155
ATB 090
AT5 095
AAV 055
ATF 125
A55 025

IC301 AM TUNER
1247

0lSPLAY ASSEMBLY (2)

FO502~504 0502- 504
RN1205 AEL 451 .
LED DR1VER 0505 AEL 424 I


517118 A56 711 I

MANUAL I
/AuTo

MDANUAUAUTO)
- R505 I
I 0502 1 5K

R504


Fu1,AEK 407

FU 1
T400mA/250v

A

/

be sure to use pans of indentical designation.

CHI: 5
0515 m g 100 I 505i 0603 1 5K D5 (FREQUENCY I
3: 3 5 10HANNEL) I
R515 §§ I I _ I I
3x 0:5 Kr l I .
a: 0205 AuDlOAMP R505
05" E Q512MUTING '505 505- 0504 910 D605 (TUNED, I
V CONTROL I 4 4 , -
.5 R525
Efi '
I
I5 5 IC 503 PLL I
AM . B SWITCHING 109172? I
'505
10 505 1
a B r I
10 I 5 SWITCH ASSEMBLY 2
05141515 002 FIéI Ex 28:: ----------(-).
0C AMP 11 to
R525 001 NC g I 504 5 TUNING .
12 5 504 7 (DOWNI
100K 31 I
TEST 5TB 1 -
3: 0552 3 4 z I TUNING I
,_ AM lN CK uP -
K 0555 14 3 7 31 5 24 5 22 I I I I
0332 R525 |_- GND 51 T RT lNH INT REF S1 SOCKSTBTESTML/TE P1 2 P52#1 I I
$3 0015 I] K 15 2 IC 501 CONTROL P020113 - 1
.7 (3515 FM lN REF I
0309 1000P. 15 50 D71 02 D3 04 D5 07 2h VZFI S2 5 A50 711 .
I 1;: VDD GND 1. I
38 I0507 '
47 I ___________ I
/25
1533 7P DISAPLAY ASSEMBLY (1)
504"0507150318174'""""""""'
*7 5| LED DRIVER 503 :ng \ (MONO)
R554 0505 504 9
10K
N 0501
I
£§§ Efl % "l" V501 0517 I 5014
89 0:5 417115122 7 5015
0515 C512 0505 Cnsggp I 010519 I J 0504
I00471000 (35217 501 5 _j
155 /5 50555 501 2 Rm-
0515.AuTo STOP § 71 . 7 504 5 I "K I
COTROL SWITCHING a 15041 5021
m 5233 55,915 0:? I ,gggg 3313 III
A
032215 504 4 504 4 0002
I L 3332 I
0501 502 INHIBIT '0 CI I 513 S 515 516
1 >Sw1 14710125 Co v a aw am am
Ts0)(32W) 29 15 -505 5 505 5 I Y Y Y ?
% 3° I 59 510 S11 512
E! if ' 5055 505 5 $4 $04 aw éw
D5 V5011PIN CONNECTION IT 1 3 am 1305 504
NO 3 4 5 a s 10 '30 5 5054I 3. ' RN1205 '
3501 F m If a :7 57 7G a 0 SC ,3 i5033 5035- o 0.4 0501 AEL 451
0 21:13 No 14 15 15 1 1819 0 1 22 2 3 - 3:32 ISESL1512
51:40 . 5:; g 2:; 1 32:215 52 KKZ 5 ,_II>°12 15052 5052- j
R401 55 4555 226 11 15051 54-515-151501
08 A 2 mm) A 0505 16 3° 501 1 ASC 7
_1_6_ _1_1_._ l E 8 8,2252, MEMORY 10 5551
E52 kHz fig 505 5
DP 52 504 5 I
505 2 I
Lassa- _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._
WT0H
ASSEMBLY(1)
Indicated in CapaCIty (pH/voltage (V) unless otherwise noted 3 I%WIGECC 3:51:53 (10) 51 no input signal 5? The A Ti I°;I ?" I"? °h°mp°ne§fi a"? I? 9' I"!'
p, pF. IndiCaIIion without voltage is 50v except electrolwc Capacitor. Signal VuIlage at FM 400141475042 DEV. [571 name 0 I 9 5 9W 0 ° I e W- 9'9 'e- W e" '99 "9-