Схема и документация усилителя Other GM WK4 OPTION, WK6 OPTION
Формат файла: PDF
C O D E : 2 7 0 1 9 4
SERVICE MANUAL
Schematic Diagrams
Soldering point.
Male connector.
Female connector.
M/F faston connector.
Test point.
Supply voltage.
Logic supply ground.
Analog supply ground.
Chassis ground.
Earth ground.
Flag joined with one or more flags with the same signal name inscribed.
GENERALMUSIC S.p.A. Sales Division: 47048 S.Giovanni in Marignano (RN) ITALY - Via delle Rose, 12 - tel. 0541/959511 - fax 0541/957404 - http://www.generalmusic.com
Service must be carried out by qualified personnel only.Any tampering carried out by unqualified personnel during the guarantee period will forfeit the right to guarantee.
For a correct operation of the instrument, after having switched off, be careful to wait at least 3 seconds before switching on again.To improve the device's specifications, the schematic diagrams may be subject to change without prior notice.
Schematic Notes
All components marked by this symbol have special safety characteristics, when replacing any of these components use only manufacturer's specified parts.
The (µ) micro symbol of capacitance value is substituted by U. The (
) omega symbol of resistance value is substituted by E.
The electrolytic capacitors are 25Vdc rated voltage unless otherwise specified. All resistors are 1/8W unless otherwise specified.
precautions when handling
electrostatic sensitive devices
Index & Warnings
PS2500 / GPS2500
SK76 / SK88
OPTIONAL ACCESSORY
SPARE PARTS LIST
AUDIO/VIDEO with Vocal Processor Board
AUDIO/VIDEO with Vocal Processor Board (NTSC Version) (US)
AUDIO/VIDEO with Vocal Processor Board (PAL Version) (EU)
Harmonizer Demo Disk
34 Wires 7.5cm Length Flat Cable
10 Wires 40cm Length Flat Cable
10 Wires 65cm Length Flat Cable
16 Wires 7.5cm Length Flat Cable
9 Wires 15cm Length Flat Cable
2 Wires 10cm Length Screened Cable
Buffer Module Board (Pcb# 315023)
74HC138D SOIC 1 Of 8 Decoder
74HC374DW SOIC Octal D-Type Flip-Flop
Audio/Video Pal & Harmonizer Board (Pcb# 315109)
Audio/Video Ntsc & Harmonizer Board (Pcb# 315109)
BLM21A102STP Smd EMI Coil For Signal
LC Delay Line 400ns 0.5MHz
FL5R200PNT EMI Coil For Signal
47uH 10% 100mA RF-Coil
22uH 10% 170mA RF-Coil
16 Contacts Vert Female Connector
10 Contacts Vert Female Connector
34 Contacts Vert Male Connector
9 Contacts Vert Male Connector
MAX709 Power Monitor With Reset
TDA8501 PAL/NTSC Encoder
ADSP2181 Dsp Microcomputer
FPGA - Video/Lcd Controller
HM514260JP SOJ Dynamic Ram 4Mbit Ta=70ns
74HC00D SOIC Quad Nand Gate
74HC32D SOIC Or Nand Gate
74HC125D SOIC Quad Tri-State Buffer
AD1877 SOIC Dual Channel 1bit ADC
74HC04D SOIC Hex Inverter
74HC74D SOIC Dual Flip-Flop
74AC138D SOIC 1 Of 8 Decoder
ADV476 Color Palette Ram Dac
7805 +5V 1A Voltage Regulator
7812 +12V 1A Voltage Regulator
7912 -12V 1A Voltage Regulator
TL071 LN J-Fet Operational Amplifier
BC857 TO236 Smd Pnp Transistor
BC847 TO236 Smd Npn Transistor
BC327 TO92 Pnp Transistor
2N918 VHF Npn Transistor
PMLL4148 Smd 100mA 75V Signal Diode
BB204G Dual Varicap Diode
30.20979MHz Quartz Resonator (NTSC Version)
7.15909MHz Quartz Resonator (NTSC Version)
8.867238MHz Quartz Resonator (PAL Version)
30MHz Quartz Resonator (PAL Version)
5p2-30pF N750 Ceramic Capacitor Trimmer
Buffer Module Board (Pcb# 315023)
74HC138D SOIC 1 Of 8 Decoder
74HC374DW SOIC Octal D-Type Flip-Flop
Harmonizer Owner's Manual Addendum
3mt Video Cable (Din/Rgb To Rca) (NTSC Version)
3mt Video Cable (Din/Rgb To Scart) (PAL Version)
M3x8mm Screw