Equipment information
Hitachi VC-6025 Oscilloscope
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Model:
VC-6025
Date:
Category:
Group:
Description:
Digital Storage Oscilloscope
Manual Type:
Service Manual
Pages:
192
Size:
23.92 Mbytes (25083612 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
2017 08 30
MD5:
0a5ffadb9dc8c3ea343ffa74124f4b3d
Downloads:
1857
Information
Specifications ...
Accessories ...
Preventive maintenance ...
Calibration ...
4.1 Calibration interval ...
4.2 Test equipment required ...
4.3 Preliminary procedure ...
4.4 Preliminary control settings ...
4.5 Initial starting procedure ...
Detailed circuit description ...
5.1 VERTICAL CIRCUIT ( <l)> , <(î> , <3)> 1/2 , <7> 1/3 ,
<9> 1/5 , <lj> 1/2 ) ...
5.2 CALIBRATOR ( <(?)> 2/2) ...
5.3 TRIGGER CIRCUIT ( <(4)> , <?> 2/5 ) ...
5.4 SWEEP CYCLE ( <(?> ) ...
5.5 SWEEP ( <£> 1/2) ...
5.6 H AMP ( <J> 2/3 , <(9)> 3/5 ) ...
5.7 UNBLANKING & Z-AXIX AMP
( <7> 3/3 , <9> 4/5 , <K> 1/2 ) ...
5.8 VERTICAL CH SWITCHER ( <£> 2/2) ...
5.9 MPU (RTO), CHR GEN & FRONT PANEL
( <Q> , <|> S/5 ) ...
5.10 HV, CRT ( <1j^> 2/2 ) ...
5.11 POWER ( <^M> ) ...
5.12 TRACK HOLDER ( <Q> ) ...
5.13 AD DRIVER & ACQ MEMORY ( <Q> ) ...
5.14 DIGITAL MPU ( <(j> )
DISP CONT ( <> U2 >
FRONT PANEL (DSO) ( <^> ) ...
Electrical parts arrangement
(With adjustment locations) ...
Electrical parts lead configurations ...
8. Electrical parts list ... 167
PEF-781 V-PRE & TRIG AMP ... 167
PEF-782 SWP LOGIC ... 169
PEF-783 PANEL ... * ... 172
PEF-784 POWER ... 172
PEF-785 V OUT ... 174
PEF-789 CRT SOCKET 1 ... 175
PEF-816 Filter ... 175
PEF-833 ATT READOUT ... 175
PEF-835 CRT SOCKET 2 ... 175
PEF-837 CYCLE ... 175
CHASSIS ... 176
PEF-880 DIGITAL ... 176
PEF-882 PANEL (DSO) ... 178
PEF-883 S/H ... 178
PEF-886 DLY4 ... 179
PEF-887 RS-232C ... 179
PEF-890 ROM PG CKT ... 180
PEF-896 DLY5 ... ; 180
9. General block diagram ... 181
10. Schematic diagrams
<?> CH1 & CH2 ATT (PEF-781 ) ... 183
<(2> CH SWITCH & DLY DRIVER (PEF-781) ... 185
<3> VC-6025, V OUT AMP (PEF-785) ... 187
<3> VC-6045, V OUT AMP (PEF-785) ... 189
<4> TRIG AMP & TRIG GEN (PEF-781 , 782) ... 191
<Ÿ> CYCLE (PEF-782, 837) ... 193
<6)> SWEEP GEN (PEF-782) ... 195
<(?> H AMP & H OUT AND Z-CONTROL (PEF-782, 784) ... 197
<8> MPU & ROM PG (PEF-782, 890) ... 199
<9)> CHR GEN & FRONT PANEL (PEF-782, 783) ... 201
<H> HV, Z, CRT (PEF-784, 789) ... 203
<A> AC INPUT & POWER (PEF-784, 81 6) ... 205
<fè> S/H (PEF-880, 883) ... 207
<û> AD DRIVER & ACQ MEMORY (PEF-880, 883) ... 209
<q4> DIGITAL MPU (PEF-880)
... 211
<fs> DISP CONT (PEF-880)
... 213
<fs> RS-232C & FRONT PANEL (DSO) (PEF-882, 887)
... 215
<0> INTERCONNECTIONS (1/2)
... 217
<H> INTERCONNECTIONS (2/2)
... 219
11. Mechanical parts list and exploded view
... 221