Ga 011476 19990901-65000 service manual hamamatsu, japan 1.615k-455 printed in japan '99.08 guitar amplifier contents specifications ····································································· 3 panel layout········································································ 4 circuit ...
Dg60-112 2 warning: chemical content notice! The solder used in the production of this product contains lead. In addition, other electrical/electronic and/or plastic (where applicable) components may also contain traces of chemicals found by the california health and welfare agency (and possibly oth...
Specifications dg60-112 3 digital section complete digital signal processing amplification type: internal 8 channel preset digital reverb (spring) speaker simulator (line out) analog section 60 w solid state power amp 30 cm speaker (eminence) x 1 controller/switch front panel: gain, master, treble, ...
Dg60-112 4 panel layout input jack (input high, low) peak indicator channel select switch channel indicator amp select switch gain volume (gain) master volume (master) tone controls (treble, high mid, low mid, bass, presence) reverb volume (reverb) power switch (power) foot switch (foot sw) speaker ...
Dm dm sw sw dm main (bottom) (top) 1/5 main 1/5 main 1/5 main 2/5 main 3/5 main 4/5 main 5/5 a-ch a-ch power transformer ac cord • top view • front view • rear view • side view dg60-112 5 circuit board layout.
Dm sw main input high input low peak ach bch ic201 jk202 jk201 ic202 ic1 ic2 97 ic201 ld201 84 81 3 12 amp select (sw401) gain (vr302) master (vr303) treble (vr304) high mid (vr305) low mid (vr306) bass (vr307) presence (vr308) reverb (vr309) amp select (sw402) gain (vr202) master (vr203) treble (vr...
Sw 2/5 3/5 power transformer [80]: bind head tapping screw-b 3.0x8 mfzn2bl (ep600190) [130]: hexagonal nut 9.0 12x2 mfni33 (lx200060) [190]: hexagonal nut 12.0 14x2 mfc2bl (vd794100) [210]: hexagonal nut 9.0 11x2 mfzn2bl (vj388000) [270]: bind head tapping screw-c a4.0x8 mfzn2bl (vc688900) [290]: bi...
Dg60-112 8 lsi pin description pin no. I/o function name pin no. I/o function name 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 pa6 pa7 vcc pb0 pb1 pb2 pb3 pb4 pb5 pb6//dreq0 pb7//dreq1 /reso vss p90/txd0...
Pin no. I/o function name pin no. I/o function name 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 vss xi xo vdd /sy...
Dg60-112 10 ic block diagram tchcu04af-tp1 (xd660a00) hex inverter sn74hc08nsr (xd831a00) quad 2 input and 1 2 3 1a 1y 4 2a 5 2b 6 2y 7 vss 1b 14 13 12 vdd 4a 11 4y 10 3b 9 3a 8 3y 4b 1 2 3 a qa qa 4 qb qb 5 qc qc 6 qd qd 7 gnd b b 14 13 12 vcc qg qg 11 qf qf 10 qe qe 9 clear clear 8 clock qh ck qh ...
Dg60-112 11 tc74hc4052af (xs790a00) differential 4-channnel multiplexer/demultiplexer 1 2 3 4 5 6 7 0y 2y 2y y-com y-com 3y 3y 1y 1y inh inh vee 16 15 14 13 12 11 10 vdd 2x 2x 1x 0y b 1x x-com x-com 0x 0x 3x 3x a a 8 vss 9 b dm: ic 19, 20 tc74hc4040f (xr684a00) 12-stage binary ripple counter ck 1 2 ...
Dg60-112 12 self check and inspections preparations 1. If no specific frequency is required, set the test frequency at 1 khz. 2. Before turning the [power] switch on, set the idling adjustment volume (vr201, 1 k ohms) on the main circuit board at minimum. 3. Before turning the [power] switch on, set...
Dg60-112 13 when fully turning the check volume knob counterclockwise, the a ch led (cn5–2 pin) will light; when fully turning it clockwise, the b ch led (cn5–3) will light. If the volume is no good, both the a ch and b ch leds (cn5–2, 3 pin) will light to indicate the error. Each press of the switc...
Guitar amplifier contents overall assembly ·········································································································································· 2 pre-main unit ······································································································...
Dg60-112 2 overall assembly pre-main unit: see page 4. Overall cabinet assembly: see page 6. 10 60 55 50 70 30 20 40 30 40 80 60 70 80 100 110 130 120 130 90 95.
Dg60-112 3 overall assembly overall assembly overall assembly overall assembly overall assembly pre-main unit pre-main unit pre-main unit pre-main unit overall cabinet assembly oval head screw washer speaker hexagonal nut oval head tapping screw-1 washer name plate truss head tapping screw-1 label c...
Dg60-112 4 pre-main unit 80 80 80 51 90 90 90 52 53 10 20 80 80 170 180 90 210 200 190 130 290 290 140 280 260 270 270 220 160 100 150 250 240 237 295 236 235 230 130 140 125 125 120 110 280 100 u model: not used.
Dg60-112 5 pre-main unit pre-main unit pre-main unit pre-main unit pre-main unit chassis chassis chassis insulation sheet circuit board circuit board circuit board circuit board bind head tapping screw-b bind head tapping screw-b volume knob (ch) button (s) power switch knob escutcheon, power switch...
Dg60-112 6 overall cabinet assembly cabinet assembly vinyl speaker net corner protector round head tapping screw-1 handle assembly oval head screw screw truss head tapping screw-1 leg truss head tapping screw-1 shield sheet description 10 15 25 30 40 50 55 67 70 90 100 110 ref no. V3691700 - - - - -...
Dg60-112 7 electrical parts circuit board circuit board circuit board circuit board circuit board circuit board electrolytic cap.-bp ceramic capacitor-sl mylar capacitor mylar capacitor ceramic capacitor-sl mylar capacitor electrolytic cap.-bp ceramic capacitor-sl ceramic capacitor-sl mylar capacito...
Dg60-112 8 monolithic ceramic cap. Electrolytic cap. Monolithic ceramic cap. Monolithic ceramic cap. Electrolytic cap. Monolithic ceramic cap. Monolithic ceramic cap. Electrolytic cap. Monolithic ceramic cap. Monolithic ceramic cap. Monolithic ceramic cap. Monolithic ceramic cap. Electrolytic cap. M...
Dg60-112 9 carbon resistor metal film resistor metal film resistor metal film resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbo...
Dg60-112 10 circuit board circuit board led holder fuse holder jumper wire cable kit connector assembly monolithic mylar capacitor ceramic capacitor-sl electrolytic cap. Monolithic mylar capacitor monolithic ceramic cap. Ceramic capacitor-sl electrolytic cap. Electrolytic cap. Electrolytic cap. Cera...
Dg60-112 11 ic ic ic phone jack phone jack led led led carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbon resistor carbo...
Dg60-112 12 transistor transistor transistor transistor transistor pair transistor transistor trimmer potentiometer rotary variable resistor rotary variable resistor rotary variable resistor rotary variable resistor cable kit cable kit cable kit cable kit cable kit cable kit cable kit cable kit cabl...
1 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 a b c d e f g h i j k l a b c d e f g h i j k l dg60-112 dg60-112 overall circuit diagram 1/2 ( dm ) dg60-112 dg60-112 line out/ phones send 0db / -20db return op amp op amp op amp adc / dac d-ff shift register inver...
1 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 a b c d e f g h i j k l a b c d e f g h i j k l dg60-112 dg60-112 overall circuit diagram 2/2 ( main, a-ch, sw ) circuit boards dg60-112 dg60-112 japanese model u.S.&canada models general export model british model m...
