Sansui TU 5900 Service Manual

Page 2

1. SPECIFICATIONS

FM SECTION
TUNING RANGE ............ 88 to 108 MHZ
USABLE SENSITIVITY (lHF) ,.10.3dBf(1.8,uV)
(DIN) . .1.0/lV (1 kHz, Modulation
30% S/N 26dB)
MAX, INPUT CAPABILITYI .more than 125dBf
SOCIB QUIETINC SENSITIVITY

STEREO (IHF) ............ 38dBf (45W)
MONO (IHF) ............ 16dBf (3.5,aV)
TOTAL HARMONIC DISTORTION
STEREO .................. less than 0.35% (1 kHz)
MONO .................. less than 0.25% (1 kHz)
SIGNAL TO NOISE RATIO
STEREO. . better than 60dB

MONO .................. better than 70dB
ALTERNATE CHANNEL SELECTICTIVITY
.................... better than 60dB (i400 kHz)
CAPTURE RATIO .......... less than 2.0dB
AM SUPPRESSION .......... better than 55dB
IMAGE RESPONSE RATIO (IHF)
.................... better than 50dB (98 MHz)
IF RESPONSE RATIO (IHF) ..better than 75dB (98 MHZ)
SPURIOUS RESPONSE RATIO (IHF)
.................... better than 65dB (98 MHZ)
SPURIOUS RADIATION ....|ess than 34dB
STEREO SEPARATION ...... better than 30dB (100 HZ)
better than 40dB (1 kHz)
better than 30dB (10 kHz)
FREQUENCY RESPONSE (IHF)
.................... +1.0dB, w2.0dB (30 to
15.000 Hz)

ANTENNA IMPEDANCE . . . .300 ohms balanced
75 ohms unbalanced

FM ANTENNA ATTENUATION

.................... -20dB

AM SECTION
TUNING RANGE ............ 535 to 1,605 kHz
SENSITIVITY (Bar antenna) ..SOdB/m (1,000 kHz)
SELECTIVITY .............. better than 30dB (1,000 kHZ)
IMAGE RESPONSE RATIO ..better than 30dB (1,000 kHZ)
IF RESPONSE RATIO ....... better than 30dB (1,000 kHz)
OTHERS
OUTPUT LEVEL (FM 100% modulation)

OUTPUT ................ 0 to 775 mV

DOLBY FM .............. 200 mV

POWER REQUIREMENTS . . . .100,120, 220, 240V, 50/6OHZ
120V (Usable 110-130V)
60 Hz (For USA. 8: Canada

only)
POWER CONSUMPTION. . . .18W (rated)
DIMENSIONS .............. 430 mm (16-15/16) W

132 mm (5-1/4) H

243 mm (9-9/16) D
WEIGHT .................. 6.4 kg (14.1 lbs) net

7.5 kg (26.5 lbs) packed

*Design and specifications subject to change without notice for
improvements.

TABLE OF CONTENTS

Section Title Page
1 . SPECIFICATIONS .................................................. 1
2. ADJUSTMENT ,... 2

2~1. FM & MPX Adjustment & Alignment .......................... 2, 3
2~2. AM IF Adjustment & Tracking .................................. 4
3. PARTS LOCATION 8.. PARTS LIST .. 5
31. F-2590 AM, FM, MPX Circuit Board ... 5, 6
3-2, F-1511 Power Supply Circuit Board I. . 6
3-3, Figures of Semiconductor ...................................... 6

0 COMMON PARTS LIST FOR RESISTORS
& CAPACITORS ONLY ...................................... (Attached)
4. OTHER PARTS .................................................. 6, 7
5. TROUBLESHOOTING CHART ............................... .. 7
G. OPERATION BLOCK DIAGRAM .................................... 8
6-1. Block Diagram .................................................. 8
6-2. PLL Block Diagram (lC HA1196) ............. . 8
6-3. FM IF System Block Diagram (IC HA1137W) .................. .. 8
7. SCHEMATIC DIAGRAM ...................................... . . .. 9
8. THREADING OF DIAL CORD ...................................... 10
9. PACKING LIST .......................................... BACK COVER
10. ACCESSORY PARTS LIST ................................ BACK COVER