3
5
6
7
8
F
E
D
C
B
A
5
6
7
8
GM-8537ZT/WL
[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
CONTENTS
SAFETY INFORMATION............................................2
1. SPECIFICATIONS .......................................................3
2. EXPLODED VIEWS AND PARTS LIST ......................4
2.1 EXTERIOR ............................................................4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ....6
3.1 BLOCK DIAGRAM ...............................................6
3.2 SCHEMATIC DIAGRAM(GUIDE PAGE) ..............8
4. PCB CONNECTION DIAGRAM................................14
4.1 DSP UNIT...........................................................14
4.2 AMP UNIT..........................................................18
4.3 ASL UNIT ...........................................................22
5. ELECTRICAL PARTS LIST........................................23
6. ADJUSTMENT .........................................................28
7. GENERAL INFORMATION.......................................35
7.1 DIAGNOSIS .......................................................35
7.1.1 DISASSEMBLY .........................................35
7.1.2
CONNECTOR FUNCTION DESCRIPTION
......37
7.1.3
THE METHOD OF DISTINGUISHING DEFECTIVE
DSP IC(IC301 OR IC311) DURING DSP ERROR .....
38
7.2 IC ........................................................................40
7.3 EXPLANATION...................................................44
7.3.1 SYSTEM BLOCK DIAGRAM .....................44
7.3.2 OPERATIONAL FLOW CHART .................47
8. OPERATIONS ...........................................................48
1. SPECIFICATIONS
Power source . . . . . . . . . . . . .13.2±0.1V(10.5-16.0V)
Grounding . . . . . . . . . . . . . . . .Negative type
Backup current . . . . . . . . . . . .0.3mA or less
Dimensions(No Bracket) . . . .285mm(W)x51mm(H)x128mm(D)
Weight(No Bracket) . . . . . . . .1.6kg
Maximum output power . . . .39W or more(Front)
13W or more(Tweeter)
21W or more(Rear)
35W or more(Woofer)
Summary of Contents for GM-8537ZT-91/WL
Page 4: ...4 1 2 3 4 1 2 3 4 F E D C B A GM 8537ZT WL 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR ...
Page 7: ...7 5 6 7 8 F E D C B A 5 6 7 8 GM 8537ZT WL ...
Page 10: ...A a A b A a A a A b C 1 2 3 C ASL UNIT 10 1 2 3 4 1 2 3 4 F E D C B A GM 8537ZT WL ...
Page 12: ...12 1 2 3 4 1 2 3 4 F E D C B A GM 8537ZT WL A a A b A b 1 2 3 A DSP UNIT ...
Page 15: ...15 5 6 7 8 F E D C B A 5 6 7 8 GM 8537ZT WL A SIDE A B CN905 ...
Page 16: ...16 1 2 3 4 1 2 3 4 F E D C B A GM 8537ZT WL A A DSP UNIT ...
Page 17: ...17 5 6 7 8 F E D C B A 5 6 7 8 GM 8537ZT WL A SIDE B ...
Page 18: ...18 1 2 3 4 1 2 3 4 F E D C B A GM 8537ZT WL 4 2 AMP UNIT B B AMP UNIT A CN101 FAN MOTOR ...
Page 19: ...19 5 6 7 8 F E D C B A 5 6 7 8 GM 8537ZT WL B SIDE A A CN102 C CN403 ...
Page 20: ...20 1 2 3 4 1 2 3 4 F E D C B A GM 8537ZT WL B B AMP UNIT ...
Page 21: ...21 5 6 7 8 F E D C B A 5 6 7 8 GM 8537ZT WL B SIDE B ...
