Yamaha 505 Service Manual Page 7
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- Table of contents
- BOOKMARKS
Rated. / 5. Based on customer reviews
GX-505/GX-505VCD
GX-505/VCD
■ SPECIFICATIONS
■ AMPLIFIER SECTION
Minimum RMS Output Power per Channel
1kHz, 0.9% THD, 6Ω .................................................. 80W + 80W
1kHz, 10% THD, 6Ω ............................................... 100W + 100W
Input Sensitivity/Impedance
AUX/MD ...................................................................... 200mV/47kΩ
Spectrum Analyzed Band ........................................................... 5 band
(100Hz, 350Hz, 1kHz, 3.5kHz, 10kHz)
■ VIDEO SECTION (GX-505VCD only)
Signal Level ............................................................................ 1Vp-p/75Ω
■ TUNER SECTION
FM Tuning Range
U, C models ....................................................... 87.5 to 107.9MHz
R, T models ...................... 87.5 to 108.0MHz/87.50 to 108.00MHz
A, B, G, L model ............................................ 87.50 to 108.00MHz
AM Tuning Range
U, C models ......................................................... 530 to 1,710kHz
R, T models .............................. 530 to 1,710kHz/531 to 1,611kHz
A, B, G, L models ................................................. 531 to 1,611kHz
FM Usable Sensitivity (75Ω)
30dB S/N Quieting, Mono, 1kHz,
100% mod. R, U, C, L, T models ...................... 1.5µV (14.8dBf)
DIN Mono, S/N 26dB (A, B, G only) ..................................... 1.8µV
■ CD CHANGER SECTION
Type ........................................................ 3-Disc Carousel Auto-changer
Signal Readout.................................................................... Non-contact,
3-beam semi-conductor laser pick-up
D/A Converter............................................................................ 1bit DAC
Filter ..................................................... 8-time oversampling digital filter
Wow & Flutter .................................................................. Unmeasurable
■ TAPE DECK SECTION
Type ...................................................................................Auto Reverse
4-Track 2-Channel playback/recording stereo Cassette Deck
Heads
REC/PB .................................................................. Hard permalloy
Erase ............................................................... Double Gap Ferrite
Motors
Main ....................................................................... DC servo motor
Tray Loading.................................................................... DC motor
Wow & Flutter
W.PEAK .............................................................................. ±0.19%
W.RMS ................................................................................. 0.09%
Frequency Response (–20dB)
Type I/Normal tape ..................................... 50 to 15,000Hz ± 3dB
Type II/High (CrO2) tape ............................. 50 to 16,000Hz ± 3dB
S/N Ratio
NR off ..................................................................................... 58dB
Dolby B NR on ....................................................................... 66dB
■ SPEAKER SECTION (NX-GX505)
Type .............................................................. 3-Way Bass-reflex Design
(Magnetic-Shielding Type)
Speakers ................................................................. 13cm (5-1/8”) woofer
5cm (1-15/16”) tweeter
2cm (13/16”) super tweeter
Frequency Range ............................................................ 60 to 27,000Hz
Maximum Input .............................................................................. 220W
Impedance ........................................................................................... 6Ω
Frequency Range ............................................................ 60 to 27,000Hz
Sound Pressure Level .................................. 90dB/1m • 2.83V (1W/6Ω)
■ GENERAL
Power Supply
U, C models ............................................................AC120V, 60Hz
A model ................................................................... AC240V, 50Hz
B, G, L models ........................................................AC230V, 50Hz
R, T models ...................................AC110/120/220/240V, 60/50Hz
Power Consumption ...................................................................... 140W
(approx. 1.3W when set to the standby mode)
Dimensions (W X H X D)
GX-505/GX-505VCD ..................................... 280 X 320 X 365mm
(11” X 12-5/8” X 14-3/8”)
NX-GX505 ..................................................... 200 X 320 X 208mm
(7-7/8” X 12-5/8” X 8-3/16”)
Weight
GX-505/GX-505VCD ..................................... 10.2kg (22 lbs. 7 oz)
NX-GX505 ................................................ 3.8kg (8 lbs. 6 oz)/each
Finish
GX-505 ..........................................................................Silver color
GX-505VCD ...................................................................Silver color
NX-GX505 ................................................ Cherry color/Black color
Accessories ........................................................... AM loop antenna X 1
Indoor FM antenna X 1
Remote Control Transmitter X 1
Battery (size “AA”, R06) X 2
Speaker Cord (5m) X 2
* Specifications subject to change without notice.
* Manufactured under license from Dolby Laboratories Licensing
Corporation. “DOLBY” and the double-D symbol V are
trademarks of Dolby Laboratories Licensing Corporation.
U ......................... U.S.A. model G .................. European model
C ................... Canadian model R ...................... General model
A .................. Australian model L .................. Singapore model
B ........................ British model T .......................... China model
6
320 (12-5/8")
280 (11")
100
(3-15/16")
172 (6-3/4")
339 (13-3/8")
12
(1/2")
14
(9/16")
365 (14-3/8")
192 (7—9/16")15.8
(1/16")
207.8 (8—3/16")
200 (7—7/8")
320 (12—15/8")
● NX-GX505
● GX-505/GX-505VCD
Unit : mm (inch)
- GX-505VCD 1
- ■ TO SERVICE PERSONNEL 2
- Laser Emitting conditions: 3
- ■ GX-505 PANELS 4
- ■ GX-505VCD PANELS 6
- ■ SPECIFICATIONS 7
- ■ INTERNAL VIEW 8
- GX-505/VCD 10
- Friction 12
- 19.4 ± 0.2 mm 13
- ■ VOLUME RANGE 14
- ■ SYSTEM CONTROL CHECK 14
- ■ TEST MODE 15
- ■ SYSTEM TEST MODE 15
- ■ RECEIVER TEST MODE 16
- ■ TAPE TEST MODE 17
- ■ CD TEST MODE 18
- ■ CD ERROR MESSAGES 19
- GX-505/GX-505VCD 20
- “MECHANICAL ADJUSTMENT” 23
- “ELECTRICAL ADJUSTMENT” 23
- ■ IC DATA 25
- PATTERN AREA 32
- ■ BLOCK DIAGRAM 34
- ● Semiconductor Location 37
- MAIN P.C.B. (5) 48
- MAIN P.C.B. (6) 48
- SCHEMATIC DIAGRAM (GX-505 CD) 49
- INPUT (3) 51
- INPUT (1) 51
- INPUT (2) 52
- PARTS LIST 57
- ■ GX-505 EXPLODED VIEW 76
- ■ GX-505 MECHANICAL PARTS 77
- ■ GX-505VCD EXPLODED VIEW 80
- ■ GX-505VCD MECHANICAL PARTS 81
- MEN-125F 87
- EXPLODED VIEW (Loading Unit) 88
- New Parts 89
- ■ SCHEMATIC DIAGRAM 90
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