1-8-2
SCRK05
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.
2.
CAUTION:
Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F001) 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. Mode: SP/REC
5. Voltage indications for PLAY and REC modes on the schematics are as shown below:
6. How to read converged lines
7. Test Point Information
2
3
1
5.0
(2.5)
PLAY mode
REC mode
5.0
The same voltage for
both PLAY & REC modes
Unit: Volts
Indicates that the voltage
is not consistent here.
1-D3
Distinction
Area
Line
Number
(1 to 3 digits)
Examples:
1. "1-D3" means that line number "1" goes to area "D3".
2. "1-B1" means that line number "1" goes to area "B1".
3
2
1
A
B
C
D
1-B1
1-D3
AREA D3
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 29C-854
Page 23: ...1 8 3 1 8 4 HG456SCM1 Main 1 8 Schematic Diagram...
Page 24: ...Main 2 8 Sensor Schematic Diagrams 1 8 5 1 8 6 HG456SCM2 D1 D2 D3 D4 a b c d e g f...
Page 25: ...Main 3 8 Schematic Diagram 1 8 7 1 8 8 HG456SCM3...
Page 26: ...Main 4 7 Jack Sub Jack Schematic Diagrams 1 8 9 1 8 10 HG456SCM4...
Page 28: ...1 8 13 1 8 14 HG456SCM6 Main 6 8 Schematic Diagram...
Page 29: ...HG456SCM7 Main 7 8 Schematic Diagram 1 8 15 1 8 16...
Page 30: ...HG456SCM8 Main 8 8 Schematic Diagram 1 8 17 1 8 18...
Page 31: ...1 8 19 1 8 20 HG456SCAFV AFV Schematic Diagram...
Page 34: ...1 8 25 1 8 26 Jack CBA Top View Jack CBA Bottom View BHG470F01014C...
Page 41: ...1 13 1 HG250FEX EXPLODED VIEWS Front Panel A1X...
Page 77: ...29C 854 HG456FD 2004 11 25...