Yamaha dg80 112a service manual

Page 1

GUITAR AMPLIFIER

480-112;:

SERVICE MANUAL

mmnmm-mmmm

The DGSO-l 12A service manual provides a listing of only the
differences as compared with the DGBOnl 12.
For checking and repairing the DGSO-llZA, be sure to use

the service manual for the DGSO-llZ GA- together

with this ones

mmm-W

.YAMAHA

GA 01 1499 HAMAMATSU. JAPAN
20000301448000 1.61K-571 ©Pnmed in Japan 00.3

Page 2

DGBO-112A

I SPECIFICATIONS

Bulk Out, Merge Out

ITEM DGEO-1 12 0680-1 12A
Digital Section Complete Digital Signal Processing Complete Digital Signal Processing
Internal 8 Channel Preset Internal 8 Channel Preset
Digital Revert) (SPRING, HALL, PLATE) Digital Reverb (SPRING, HALL, PLATE)
Digital Tape Echo Digital Effects (Tremolo, Chorus, Tape Echo)
Speaker Simulator (LINE OUT) Speaker Simulator (LINE OUT)
Analog Section 80 W (8 ohm) Solid State Power Amp
30 cm Speaker (Celestion G12H100) x 1
MIDI Function
Receive: Program change, Control Change (No. 7, 91, Program change, Control change (No. 7. 91, 92,
Transmit: 94), Bulk In 93,94), Bulk In

Bulk Out, Merge Out

Controller/Switch

Front Panel: TRIM, OUTPUT, GAIN, MASTER, TREBLE, GAIN (TR EMOLO S P E ED), MASTE R
HIGH MID. LOW MID, BASS (TIME), (TREMOLO DEPTH), TREBLE (CHORUS
PRESENCE (FEED BACK), REVERB (LEVEL) SPEED), HIGH MID (CHORUS DEPTH), LOW
MID (CHORUS LEVEL), BASS (TAPE ECHO
TIME), PRESENCE (TAPE ECHO FEED
BACK), REVERB (TAPE ECHO LEVEL)
Rear Panel: LINE OUT volume, EFFECT BLEND LINE OUT volume, EFFECT BLEND
Switch: AMP SELECT (LEAD1, LEADZ, DRIVE1, AMP SELECT (LEAD1, LEAD2, DRIVE1,
DRIVEZ, DRIVE2,
CRUNCH1, CRUNCHZ, CLEAN1, CLEANZ), CRUNCH1. CRUNCH2, CLEAN1, CLEAN2),
REVERB, MODEE, El, STORE. RECALL REVERB, MODE, IE, El, STORE, RECALL
Display AMP SELECT display LED x 8
MODE display LED x a
REVEFIB type display x 3
7 segment LED x 2 digits
Indicator Trim Level Display LED (Green)
Trim Clip Display LED (Red) 7
Connection Jacks INPUT HIGH/LOW: Standard Phone Mono Jack
SPEAKER x 2: Standard Phone Mono Jack
EFFECT SEND/RETURN: Standard Phone
Mono Jack
LINE OUT: Cannon Jack
MIDI IN MIDI OUT: 5 pin DIN
AID Converter 20 bit 4-
DIA Converter 20 bit <-
Sampling Frequency 48 kHz <-
Memory Number 128 <-
lnput Level/Impedance INPUT HIGH: -30 dBm (THRU)/1 M ohm
INPUT LOW: -20 dBm (THRU)/1 M ohm 4-
, EFFECT RETURN: O dBm/120 k ohm
Output Level/Impedance SPEAKER: 80 W HMS/8 ohm, 100 W HMS/4, ohm
LINE OUT: 44 dBm/600 ohm <-
EFFECT SEND: 0 dBm/22 k ohm
Power Requirements US. and Canadian models: 120 V, 60 Hz
General model: 230 V, 50 Hz
Power Consumption 100 W <-
Dimensions (W x H x D) 542 x 510 x 284 mm (21.3" x 20,1 x112) <-
Weight 25.0 ko (55 lbs 2 02) <-