Sanyo FXR-61GB User manual

SERVICE MANUAL F“!! Ant” Reve’se
CarFidelity Receiver/
Cassette Player
F)( R-61 GB(GENERAL)
MMYO r?m-mlm 11(:11:1n
PRODUCT CODE No.
14757582
Specifications
Tape section Auto ............................ AM :9 kHz
Tape ............................Cassette FM: 100kHz
Tape speed ................4.75 cmls
Wow &flutter (DIN) ...1505 °/0
Output power ............Maximum 2x25W
Signal to noise
ratio ........................5O dB
Cross talk
(1,000 Hz) ................40 dB
Frequency
response ................63 —12,500Hz
Tuner section
Frequency range ....... AM:
1531- 1602kHz
FM:
87.5 —108 MHZ
General
Power source ............DC 12V
(ll~16V)
Negative
ground only
Speaker output
impedance .............4Q
Dimensions ...............178(W)X50(H)X
155(D) mm
Weight ........................l.4 kg
Channel spacing
Manual ....................... AM: 9kHz
FM: 100kHz
L. Specifications are subject to change without notice.
REFERENCE No. WM-590221

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.... . . .
ALIGNMENT PROCEDURES MAIN PARTS IDENTIFICATION
ILLUSTRATION
MAIN P.C. B. TOP VIEW
1. General
a) Test Conditions
Signal generator output:
Modulation frequency (AM) 1kHz (FM) 1kHz
Modulation percentage (AM) 300/0 (FM) 22.5 kHz
Signal level just high enough to prowde meter deflection.
Signal application:
Antenna receptacle through the dummy an!enna.
Outp,Jt meter connection:
Accross speaker or dummy load (4 ohms).
Setting of radio controls:
Tone control at center positoion.
Power supply 14.4V.
*Location of the components for alignment are shown in
MAIN PARTS IDENTIFICATION ILLUSTRATION (TOP VIEW).
&VR2(
~SVR120
TUNER
TP21
0
0
0
0
i
Head Azimuth Alignment
1,Insert aBASF 10kHz standard test tape and set the unit in play mode.
2. Tune the azimuth adjusting screw (1) until you obtain maximum reading
on the VTVM at the foward position.
3. Tune the azimuth adjusting screw (2) until you obtain max]mum reading
on the VTVM at the reverse position. 1
VR
r
Dolby level Alignment
1. Test tape :MTT-150 (DOLBY B-TYPE TONE)
2, Function :DOLBY SW .. .... OFF
3. Adjustment method
Play the test tape at the forward position and adjust respectively the
SVR20, 120 to get 337mV at TP21.
Check the output level of TP21, at the reverse position within limit.
(337mV *1 .OdB) mAZIMUTH SCREW(2)
HEAD @@FOR REVERSE
@AZIMUTH SCREW( I)
FOR FORWARD
MECHANISM
IC BLOCK DIAGRAM
TA8221 HMC14053BFB MN1280-P
I
B;!IARY 10 1-oF-2
ACIECCXIERWITH
aINHIBIT
2
0
PROTECTOR
LOADtlJMP
StiDRT CIRCUIT
L-W
Xo
xi
Yo
Y1
Zo
21
1II1
1. . J
PRE-GND STANO-BY Sw
&fJ JHA12134FP TC4S01 F
2EZ IN GND?9 IN BIAS REC/?9 PB OUT DE? RECOUT
IM
INBI 5VDD
INA2
v~~ 34OUTX
REC IN$“’C~?B IN VREF ?6 WT
ON/’;F~ DET i?FCOUT
–l–

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i
BLOCK DIAGRAM
IC4 IC402
P. HEAD LINE
OUT
IC2 IC3 IC5 IC403
L-CH +
~DOLBY Sw BASS VI? SUB
R-CH +~ TRE “WOOFER
ANT IC7 _;;:E R
LOUD IC8 (
EST-21 20
TUNER (
jJ -COM
‘IC202 IC801
PLL
CONTROLLER
LCD KEY
IC BLOCK DIAGRAM
COMI
cm 2
COM 3
COM 4
SEG I
SEG2
SEG 3
SEG 4
SEG 5
SEG 6
SEG 7
SEG 8
SEG 9
SEGIO
SEGI I
SEG 12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
9EG20
SEG2 I
SEG 22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
HD4074808FS/8481A
3Sc ITIMER A/ TIMER EXTERNAL ;l:cRHC/ SYSTEM
—
—7:–6
ROM
TIME BASE B‘NTERRUPT DOG TIMER CONTROL 8192 xIOBIT
INTERRUPT CONTROL
u
STACK INSTRUCTION
RAM I184 x4BIT POINTER DECODER
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MUTE SW
I
IC402,403 RC4565M
D401 ERA15 -02
Q403,404,405 DTC314
D406 DCAOIO
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1[ vR3I-A WJSS 50kB 6.f3k “i 1
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‘IN 010 011 0!2 c 3 Q16 017 0!8 019 0116 0201 Q2CM
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c14,0 03.0 014.0 00 0 0 0 0 0 0 0 0 0 0 8.5
E6.5 00 0 $4.0 0 0 0 0 010 0 0 0 0 0 0 8.5
ZIN TC206 0207 0208 0209 02!0 Oeol 0802 oe~ 0== 0E07 ~cam @309 0810 08!1 0814 08[5 0817 Qete 0819 0820
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cI.o,:o (.0-
To 14.0 0 0 5.0 5.0 5.0 5.0 5.0 ‘5.0 14.0 0 0 14.0 0 0 0 0 0
E0.6 08.5 0 0 5.0 5.0 5.0 5.0 5.0 15.0 a.5 o05.5 5.5 00 0 0
LC4066BM AsWD SWc
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AN78L05
–3–

DIAGRAM
I
t
1
..
.
—
O1,20&::~4
Q2,!2,17,Is
2SC3396
0~4,9,10,11,13,19
810
3TCI14
,05 2SB1240
06,201,20S,210
DTC 114
3204 0TEI13
0206,207,81 I
2SC2812
0801,802,503
004, eo7
FN3L4
‘0815 2SAI 179
:Q808,817,818
I819,820
DTA114
016, 116 DTC3,4
NOTES
1RESISTOF VALUES IN OHMS (K. ICOO)
2CAPACITOR VALUES IN MICRO CARADS ,P=+F1 ..’
3MODIFICATION MAY BE DONE WITHOL,T ANY NOTICE
4THE ME UT(OP” ED F, GIJRE OF u,<)? ON THE IC ARE VOLTS
–4– –5–