Sanyo F-8501 Service Manual

11-Transistor, FM/AM-band Car Radio
MODEL F-85071
SERVICE MANUAL
SANYO ELECTRIC CO., LTD.
INTERNATIONAL DIVISION : SANYO ELECTRIC TRADING CO., LTD.
OSAKA, JAPAN.
SPECIFICATIONS
CIRCUIT SYSTEM .-..---. 11 transistors plus 8 diodes superhetero-
dyne with RF amplification, manual
tuning and push-button tuning.
FM SECTION
FREQUEN RIANGE <qcticcsoasssorncncseiennenesnesrtanrensinad
INTERMEDIATE FREQUENCY -++-+s-sessesesseeseeseeesseseeses
OUTPUT POWER -.----- Undistorted 4.0W (12V) 2.0W (6V)
SENSITIVITY -++--++e++++ 10 #V/m (for 500mW output with S/N
30dB)
SIGNAL TO NOISE RATIO.-----40dB (at 25 »V/m signal input)
PIDELT TY xssssiesisinasinionenisioniaisiew neni swiiesamaainer/seass nemslereeu x 100c/s -2dB
400c/s OdB .
6000c/s -13dB
AM SECTION
FREQUENCY RANGE) \s0.tincisscsanestssdsnneyananes 530-1,605 Ke
INTERMEDIATE FREQUENCY dasedenescsccnersceerccecesccceccoes 455 Ke
OUTPUT. POWER --------- Undistorted 4.0W (12V) 2.0W (6V)
Maximum — 6.0W (12V) 3.0W (6V)
SENSITIVITY -seeeesereeeeeeeeeeeees 13 »V/m (for 500mW output)
SIGNAL TO NOISE RATIO.---23dB (at 10Kc off tuning from 1000Kc)
FIDELITY) wcesercnss consi cssypenaricedencnnieesepensneccenracess 100c/s -2dB
400c/s OdB
4000c/s -12dB
POWER SUPPLY -+++seeeeeeeeeeees 12V and 6V (Reversatbe polarity)
CONSTRUCTIONS
STANDAPD ACCESSORIES
yoeeeng Items Ratings Q'ty
"y Noise suppressor resistor R-R7006 5
2 Noise suppressor capacitor R-C4005 2
3 Spare fuse R-S1246 1
4 Mounting metal (Perforated) R-111685 1
5 Oval speaker with box Optional 1
CURRENT DRAIN ------++ Nosignal 350mA(12V) 350mA(6V)
Maximum 1300mA (12V) 1500mA(6V)
LOUDSPEAKER. «-v-eeeesccescecessececeeeees 5Y <7" permanent dynamic
Voice coil impedance 4 ohms
TRANSISTORS -----eeee++- 2SA440 FM RF Amp.
2SA440 FM Converter
2SA322 AM RF Amp.
2SA324 FM IF Amp. & AM Converter
28A324 FM IF Amp. & AM IF Amp.
2SA324 FM IF Amp.
2SA324 FM IF Amp.
2SB186 Audio Amp.
2SB186 Audio Driver
2SB217 x2 Power Amp. (pushpull)
DIODES. «:s+0ceccssrccccccssrees 1S994Y FM Regulatcr
181882 FM AM AGC
181882 FM Discriminator
18188 x2 FM Limiter
1$188 AM. Detector
THERMISTORS «eeeeeeeeees SDT-02 Temperature compensator
DIMENSIONS. -cvcccccscccscsscccccsccceesseescensens Width '178 mm 7")
Height 51 mm (2")
Depth 157 mm (614")
SHAFT SPACING::------- 130mm (Distance between control shafts)
WEIGHT. scessesncensscvisevecciveiescssnescence Radio
unit
2.0k8 (4.4 Ibs.)
Speaker unit 0.8k8 (1.8 lbs.)