34
DVM-1845/745
LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON
THE FOLLOWING PAGES:
1. CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE
SAME TYPE FUSE.
ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D'INCELE N'UTILISER
QUE DES FUSIBLE DE MÊME TYPE.
RISK OF FIRE-REPLACE FUSE AS MARKED.
2. CAUTION:
Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F1001) is blown, first check to see that all components in the power supply circuit are not
defective before you connect the AC plug to the AC power supply. Otherwise it may cause some components
in the power supply circuit to fail.
3. Note:
1. Do not use the part number shown on the drawings for ordering. The correct part number is shown in the
parts list, and may be slightly different or amended since the drawings were prepared.
2. To maintain original function and reliability of repaired units, use only original replacement parts which are
listed with their part numbers in the parts list section of the service manual.
4. Voltage indications for PLAY and STOP mode on the schematics are as shown below:
5. How to read converged lines
6. Test Point Information
A V
F
This symbol means fast operating fuse.
Ce symbole represente un fusible a fusion rapide.
2
3
1
5.0
(2.5)
5.0
The same voltage for
both PLAY & STOP modes
Indicates that the voltage
is not consistent here.
PLAY mode
STOP mode
(Unit: Volt)
3
2
1
A
B
C
D
1-B1
1-D3
AREA D3
AREA B1
1-D3
Distinction
Area
Line Number
(1 to 3 digits)
Examples:
1. "1-D3" means that line number "1" goes to the line number
"1" of the area "D3".
2. "1-B1" means that line number "1" goes to the line number
"1" of the area "B1".
: Indicates a test point with a jumper wire across a hole in the PCB.
: Used to indicate a test point with a component lead on foil side.
: Used to indicate a test point with no test pin.
: Used to indicate a test point with a test pin.
Summary of Contents for DVM-1845/745
Page 13: ...13 DVM 1845 745 S 15 20 PCB Holder 19 DVD Main CBA Unit Fig D10...
Page 36: ...36 DVM 1845 745 DVD Main 2 4 Schematic Diagram...
Page 37: ...37 DVM 1845 745 DVD Main 3 4 Schematic Diagram...
Page 38: ...38 DVM 1845 745 DVD Main 4 4 Schematic Diagram...
Page 40: ...40 DVM 1845 745 AV 2 2 Schematic Diagram...
Page 41: ...41 DVM 1845 745 Changer 1 2 Function Power Switch Switch Schematic Diagram...
Page 43: ...43 DVM 1845 745 Relay Sensor Mecha Pick Up Unit Schematic Diagram...
Page 57: ...57 DVM 1845 745 Packing X10 X22 X21 X5 X2 X4 S2 S2 S3 S3 S1 A30 A30 A22 S10 X1 S4 Unit...
