Fisher RS 913 Service Manual

Page 1

SERVICE MANUAL

FISHEE

TUNER-AMPLIFIER RS-91 3
(U.S.A.)
132 334 24
SPECIFICATIONS
Remote Control (REM-853) 15-Iunction, Loudness Contour (100 Hz/10 kHz) +6 dB/+4 dB
wireless remote control Hum and Noise (IHF Short Circuit, A Network)
POWER AMPLIFIER SECTION Phono 65 dB
Minimum RMS sine wave power per channel Tape Monitor 1 , 2 85 dB
wlthln stated bandwidth at no more than stated VIdeo/AUX/CD 85 dB
distortion and with B-olim load 100 Watts FM SECTION
Power Bandwidth 20 Hz - 20 kHz Usable Sensitivity
Total Harmonic Distortion 0.09 % Mono 30 I'M/1473 dBf
'-M~ D'S'mc" °~°9 % Stereo 5.0 uw23.26 dBt
Speaker Damping >20 50 dB Quieiing Sensltivity
PREAMPLIFIER SECTION Mono 5.0 [IN/19,19 dBI
Frequency Response Stereo 70 uV/42.10 dBt
Phono (RIAA) :1 dB Signal-to-Nolse Ratio
AUX (20 Hz - 20 kHz) :1 dB Mono 70 dB
Input Sensitivity and Impedance Stereo 65 dB
Phono 2.5 mV/SO kn Capture Ratio 15 dB
Tape Monitor 1, 2 150 mV/5o kn Alt. Channel Selectivity (1400 kHz) 55 dB
Video/AUX/CD 150 mV/SO kn Image Response Ratio 46 dB
Phono Max. Input Capability 150 mV Spurious Response Ratio 80 dB
Graphic Equalizer IF Response Ratio 90 dB
63 Hz :10 dB AM Suppression Ratio 50 dB
250 Hz :10 :13 Total Harmonic Distortion at 50 dB Ouieting
1 kHz :10 dB Mono 0.4 %
4 kHz 1-10 dB Stereo 0.5 %
16 kHz :10 dB

- Specifications and design are subject to change without notice.-

REFERENCE No. VIM-22775

Page 2

N ' SPECIFICATIONS (Continued)

Total Harmonic Distortion at 65 dBt Selectivity 40 dB
Mono (100 Hz/1 kHz/6 kHz) 0.3/0.3/0.4 % Signal-to-Noise Ratio 55 dB
Stereo (100 Hz/t kHz/6 kHz) 0.4/014/05 % Image Response Ratio 40 dB
Stereo Separation IF Response Ratio 60 dB
(100 Hz/l kHz/10 kHz) 40/40/30 :16 GENERAL
Sub-Carrier Rejection (19 kHz/38 kHz) 30/50 dB Power Requirements 120 VAC :10 "In
Audio Frequency Response (50/60 Hz) 190 Watts
(20 Hz - 15 kHz) 13.0 (18 AC Outlet 3
AM SECTION Dimensions (W x H x D) 17.33 x 5.1 x12.6
Usable Sensitivlty 600 uV/m Weight (approx) 19.3 lbs.
- Specifications and design are subject to change without notice.-
CABINET & CHASSIS PARTS LIST
3:1. Part No. Description (My :2" Part No. Description (My
PACKAGE 42 620 186 8586 Antenna P.C.B. Assy 1
620 000 0024 Bag Polyethylene (AC CORD) 1 43 620 186 9590 Band Switch P.C.B. Assy 1
620 059 6596 Patching Sheet 1 44 620 080 0303 Lamp P.CtB. Assy 1
620 062 2127 Rubber Band (AC CORD) 1 45 620 187 4273 Input P.C.B. Assy 1
620 186 8319 inner Carton 1 46 820 185 9613 Balance Volume P.C.B. Assy 1
620 148 3307 Pad From 1 47 620 186 9820 Graphic E0. P.C.B. Assy 1
620 148 3314 Fed Rear 1 48 620 187 2217 Control Panel P1031 Assy 1
620 148 5639 Poly Cover 100 x 190 1 49 620 185 8616 CD Remote Control P.C.B. Assy 1
620 148 8012 Sheet Polyethylene 1 50 620 188 8830 Main Amplifier P.C.B. Assy 1
51 520 080 6718 Bias P.C.B. Assy 1
ACCESSORIES 52 620 080 6725 Bias P.C.B. Assy 1
620 004 1256 REM-853UL (Remote Control) 1 53 620 080 6732 Power Transistor P.C.B. Assy 1
620 024 3872 FM Antenna 1 54 620 080 6749 Power Transistor P.C.B. Assy 1
620 030 8335 Dry Cell Pack 2 55 620 080 8756 Power Transistor P.C.B. Assy 1
620 189 9894 Label 1 56 620 080 8763' Power Transistor P.C.B. Assy 1
620 057 8786 Bag Fan 1 57 820 080 6770 Power Switch P.C.B. Assy 1
620 059 7357 Patching Sheet 1 58 820 186 8654 Speaker Terminal P.C.B. Assy 1
620 061 1107 Note 1 59 620 186 8678 Power Trans P.C.B. Assy 1
620 061 1732 Notes 1 60 620 080 6800 AC Outlet P.C.B. Assy 1
820 061 5662 Service Station List 1 62 A 620 018 0429 AC Socket with/Poia (AC Outlet) 1
620 062 0000 Warranty Card 1 53 A 620 023 7482 Power Cord 1
820 112 8123 Holder Antenna 1 64 A 620 186 9231 Power Trans (Main) 1
620 187 4648 Label Bar Code 1 65 620 028 2741 AM Loop Antenna 1
620 187 4754 Explanatory Booklet 1 66 620 188 0878 Lamp 2
CABINET 71 411 020 5708 SCR S-TPG BRZ 2.5X8 23
820 022 3454 Terminal Lug 1 72 411 020 5904 SCR S-TPG BRZ 3X10 6
620 054 4184 Label 1 73 411 020 7007 SCR S-TPG BFlZ 3X20 2
620 054 9950 Label (UL Caution) 1 74 411 099 9704 SCR S-TPG BRZ 3X6 8
620 125 8424 Wire Band 14 75 411 020 8004 SCR SFTPG BRZ 3X8 2
1 620 045 6982 Cover 1 78 411 099 9803 SCR ScTPG BRZ 3X8 7
2 820 185 8407 Cover Heat Sink 1 77 411 020 7700 SCR S-TPG BRZ 3X6 22
3 620 186 6421 Knob (Balance) 1 78 411 003 8908 SCR PAN + SW 3X6 2
4 «1 620 185 2752 Lag Assy (Front) 2 79 411 021 3107 SCR S-TPG BIN 2.6X8 6
4 -2 620 047 4283 Leg (Rear) 2 80 411 021 3701 SCR S-TPG BIN 3X10 4
5 620 048 7467 Chassis 1 81 411 021 5705 SCR S-TPG BIN 3X6 18
6 620 185 7053 Panel Rear 1 82 411 021 5903 SCR S-TPG BIN 3X6 3
7 620 050 1491 Metal Mount Lamp 1 83 411 070 0807 SCR TPG BRZ 3X8 2
8 620 050 1514 Metal Support 1 84 520 051 1728 Screw, Brazier Hd. Tapping-C. + M3.0X6 1
9 620 185 3278 Bracket Mount HP 1
10 820 050 5246 Metal Mount P.C.B. 1 NOTES:
1 62° 051 2152 Screw Ground 1 1. Parts order must contain Model Number. Part Number and De~
12 620 052 4155 Cushion 1 scriptiont
13 620 053 2136 Bushing (AC CORD) 1 . . t
14 620 186 6445 Heat Sink 1 2. Ordering quantlty of screws and resrstors must be multiple of 10
15 820 186 6612 Cabinet Front Assy 1 pcs.
16 620 186 7758 Mount Screen Assy 1
17 620 052 1659 Rivet 2 PRODUCT SAFETY NOTICE
:3 gggggggg gyggm Cover 1 Each precaution in this manual should be followed during servic-
20 820 186 5806 Knob Slide (Graphic E0) 5 ing. Components ldentiiied with the IEC symbol A In the parts list
21 620111 8407 Knob Push (Speaker) ' 1 and the schematic diagram designate components in which safety
22 620 111 8414 Knob Tact (Loudness) 1 can be of special significance. When replacing a component iden-
23 620 185 3155 Knob Push (POWER) 1 titled with A, use only the replacement parts designated. or parts
24 620 186 5203 Panel Front 1 with the same ratings 01 resistance, wattage or voltage that are
25 620 "7 2034 Sub Chassis 1 designated in the parts list in this manual. Leakage-current or re-
26 620 "7 2590 Metal Reinforce 1 sistance measurements must be made to determine that exposed
27 820 122 2111 Holder Antenna 1 parts are acceptably Insulated from the supply circuit before re-
28 620123 0254 Screw. Bind Hd. Tapping-B, +M4.0X8 4 mi"? 1" PM °"° mm-
29 620 123 0833 Screw, Bind Hd. Tapping-C, + M4.0X10 4
41 620 186 8562 Tuner P.C.B. Assy 1
" F

Page 6

P.C.BOARD PARTS LIST

:2" Pan No. Descrlpllon O'ty :2" Perl No. Dewrlmlon Gty
TUNER no.3. 4957 or 405 004 4502 TR 2SA303F-NP 1
41 620 136 3562 Tuner P00 Assy 1 0112 405 019 2703 TR 230533-F-NF 1
320 022 3454 Terminal Lug 1 or 405 019 3604 TR 280536-G-NP 1
620 137 0553 LCD. 0035MJP 1 0113 405 004 3901 TR ZSAEOB-E-NP 1
620 031 4763 Wire Wrap Terminal 11 or 405 004 4502 TH 25A608~F~NP 1
320 052 9075 Cover Sheila 1 0114 405 021 0105 TR 2301012-F 1
620 052 9032 Cover Shield Top 1 or 405 021 0501 TR 290101243 1
620 053 9321 Reilecmr 1 0115 405 021 0105 TR 2$D1012-F 1
620 139 6331 Filler (LCD) 1 or 405 021 0501 TR 2501012-0 1
CA101 620 186 0238 Connector 3P Assy 1
3:8; 3 312% germ Fm °'7MZ 1 l1 necessary. replace both Diode D101, D103, D104 (svc211) and
amm'c Fm "17M: 1 [Ted D105 D106 svc 321 1 eth 01 h' h h In
CF103 620 014 5362 Ceramic Filler 450kHz 1 a ' . . °9 5 w' "6 '9 w '° 3" e
. . equivalent Characterlstlcs.
CF104 620 014 5379 Ceramlc Filter 450kHz 1
CF105 620 014 6253 Ceramic osc 1
CN101 320 132 9013 Plug 7P 1 D101 407 000 3503 VARACTOR DI sv0211sp 1
011102 620 132 3943 Plug 6P 1 D102 407 007 9904 DIODE CMA01-ET 1
CN103 320 132 3946 Plug 5P 1 D103 407 000 3503 VARACTCR DI sv0211SF 1
CX1D1 620 007 1333 Cryslal 7.2MHz 1 0104 407 000 3503 VARACToR DI sv02113l= 1
or 520 007 3226 Crystal 7.2MI-lz 1 D105 407 000 4703 VARACTOR DI svc32102 1
or 620 007 1914 Crystal 72an l or 407 000 4307 VARACTOR DI sv032102 1
L101 620 023 2135 FM Anienna Coil 1 0103 407 000 4703 VARACTCR DI sv0321C-2 1
or 620 023 2161 FM Amenna Coil 1 or 407 000 4307 VARACTOR Dl sv0321D-2 1
L102 620 023 2215 FM Antenna Call 1 D107 407 005 3305 DIODE 03442-3T 1
or 320 023 2192 FM Amenna Coil 1 D103 407 050 3300 2ENER DIODE 02A4.3x 1
L103 620 023 1651 FM RF Coil 1 or 407 050 3409 ZENER DIODE GZA4.3v 1
or 520 029 1637 FM RF Coil 1 0109 407 003 0405 DIODE CMBm-BT 1
L104 620 029 1632 FM RF Cell 1 D110 407 003 0405 DIODE 6M301-BT 1
or 320 029 1663 FM RF Call 1 D111 407 069 1205 DIODE 09441 1
L105 620 026 5133 RF Fil1er(2.2url) 1 D112 407 003 0405 DIODE GMBm-BT 1
L106 620 023 3304 FM osc Coil 1 0113 407 003 0405 DIODE GMBO1-BT 1
or 620 023 3793 FM osc Coll 1 0101 403 024 9507 CERAMIC 4P 0 50v 1
or 620 133 0347 FM osc Coil 1 0103 403 072 2703 CERAMIC 0.0220 2 50v 1
T101 620 027 7105 FM IFI' 1 0104 403 026 9406 CERAMIC 5P 0 50v 1
or 620 027 7099 FM IFT 1 C105 403 003 4100 CERAMIC 1P 0 50v 1
T102 620 135 9041 AM Antenna Coil 1 0103 403 011 1507 CERAMIC 12F K 50v 1
or 520 023 1343 AM Anienna Coil 1 C107 403 009 3105 CERAMIC 100P K 50v 1
T103 320 135 9056 AM osc Cell 1 C103 403 069 0705 CERAMIC 10002 K 50v 1
or 620 023 7753 AM osc Coil 1 0109 403 072 2703 CERAMIC 0.0220 2 50v 1
T104 620 136 0523 AM In 1 0110 403 004 0500 CERAMIC 00470 K 25v 1
or 320 027 7006 AM lFT 1 0111 403 024 9903 CERAMIC 43 C 50v 1
T105 620 027 7242 FM DET 1st 1 C112 403 023 2103 CERAMIC 33? K 50v 1
T106 620 027 7259 FM DET 2113 1 0113 403 010 5203 CERAMIC 12F J 50v 1
TC101 320 006 9274 Trlmmer Condenser 1 0114 403 069 3404 CERAMIC 0.010 2 50v 1
TC102 620 006 3724 Trimmer Condenser 1 0115 403 023 1601 CERAMIC 33F K 50v 1
VR101 620 003 1377 Foieniiomeler (B40110) 1 0116 403 023 9307 CERAMIC 5P 0 50v 1
or 520 003 1940 Potentiometer (la-101m) 1 C117 403 032 3405 CERAMIC 3F C 50v 1
VR102 620 006 1353 Foienliomeier (3400101) 1 C119 403 069 3404 CERAMIC 0.010 2 50v 1
or 620 006 1933 Potentiometer (31-100er) 1 C120 403 059 0705 CERAMIC 1000P K 50v 1
VR103 620 006 1353 Paienilomeler (El-100m) 1 C121 403 059 3404 CERAMIC 0.010 2 50v 1
or 620 006 1933 Poieniiomeier (3400110) 1 0122 403 023 5403 CERAMIC 47F K 50v 1
w103 620 055 3631 Jumper 1 C123 403 004 0500 CERAMIC 0.0470 K 25v 1
W104 620 055 9531 Jumper 1 C124 403 004 0500 CERAMIC 00470 K 25v 1
w105 620 055 2443 Jumper 1 C125 403 004 0500 CERAMIC 0.0470 K 25v 1
mm 620 055 3179 Jumper 1 0126 403 069 3404 CERAMIC 0.010 2 50v 1
IC101 409 073 9505 IC LA1236 1 C127 403 033 2402 ELECT 1000 M 6.3V 1
or 409 079 3904 IC LA1265A 1 0123 403 069 3404 CERAMIC 0.010 2 50v 1
l0102 409 017 0303 IC LA3400 1 C129 403 033 4104 STYRENE 430R J 50v 1
l0103 409 053 1604 l0 Tc9112P 1 C130 403 014 0200 CERAMIC 18F J 50v 1
lC104 410 014 9607 IC TSE2039AF-020 1 C131 403 049 5503 ELECT 100 M 50v 1
0101 405 025 9503 TR ZSK241-GR 1 0132 403 051 2106 ELECT 4.70 M 50v 1
or 405 026 9306 TR 28K241-Y 1 0133 403 026 5403 CERAMIC 47F K 50v 1
0102 405 016 5503 TR 23029990 1 C134 403 069 3404 CERAMIC 0.010 1 50v 1
or 405 016 5301 TR zsC2999-E 1 0135 403 049 1703 ELECT 10 M 50v 1
0103 405 020 2902 TR 290930F-NP 1 0135 403 051 2106 ELECT 4.70 M 50v 1
or 405 020 1905 TR 260930E-NP 1 C137 403 050 7305 ELECT 3.30 M 50v 1
0104 405 026 9603 TR 26K241-GR 1 C133 403 069 3404 CERAMIC 0.010 2 50v 1
0105 405 025 3304 TR ZSK212-E 1 C139 403 074 2701 CERAMIC 0.0470 2 50v 1
or 405 026 3601 TR 23K212-F 1 0140 400 074 2701 CERAMIC 0.0470 z 50v 1
0106 405 020 1103 TR 250930-an 1 0141 403 069 3404 CERAMIC 0.010 2 50v 1
or 405 020 1905 TR 230930-E-NP 1 C142 403 044 0300 ELECT 470 M 16v 1
0107 405 019 2703 TR 280536-F-NP 1 0143 403 049 1703 ELECT 10 M 50v 1
or 405 019 3304 TR ZSCSSB-G-NP 1 C144 403 059 3404 CERAMIC 0.010 1 50v 1
0103 405 004 3901 TR 23A603-E-NF 1 C145 403 044 0300 ELECT 470 M 16v 1
or 405 004 4502 TR 28A603~F«NP 1 0146 403 030 3700 POLYESTER 0.0330 K 50v 1
0109 405 011 7107 TR 2301740-E 1 C147 403 074 2701 CERAMIC 0.0470 2 50v 1
or 405 012 1307 TR 2801815-BL 1 0143 403 049 5503 ELECT 100 M 50v 1
0110 405 027 0304 TR 23K246-Y 1 C149 403 049 1703 ELECT 10 M 50v 1
0111 405 004 3901 TR 23A303E-NP 1 0150 403 043 7701 ELECT 0.470 M 50v 1