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Micro System BTM1360/12
TABLE OF CONTENTS
Chapter
Location of PC Boards & Versions Variation .......................... 1
Technical Specifications......................................................... 2
Safety instruction.....................................................................3
Set Block Diagram...................................................................4
Set Wiring Diagram .................................................................5
Disassembly Diagram .............................................................6
Main Board
Circuit Diagram ................................................................7-1
Layout Diagram................................................................7-2
Display Board
Circuit Diagram................................................................8-1
Layout Diagram ..............................................................8-2
Mechanical Exploded View ..................................................... 9
Trouble Shooting...........................................................10
Software Upgrade & Procedure To Restore Product Setting....11
Revision list ............................................................................12
3140 038 62560
Published by Xu & Kelly wk1450 Subject to modification
Version1.0
1.Location of PC Boards
Display Board Main Board
Versiongs Variation
Type/Version 3 0
/12 /12
Board in used service Policy (EU) (APMEA)
Main Board M M+C
Display Board M M+C
Tips:C--Component Level Repair
M--Module Level Rpair
3.Safety instruction
1. General safety
2.Laser safety
Safety regulations require that during a repair:
This unit employs a laser. Only qualified service personnel
. Connect the unit to the mains via an isolation transformer.
may remove the cover, or attempt to service this device
. Replace safety components indicated by the symbol ,
(due to possible eye injury).
only by components identical to the original ones. Any
Laser device unit
other component substitution (other than original type)
Type : Semiconductor laser GaAlAs
may increase risk of fire or electrical shock hazard.
Wavelength : 650nm (DVD)
: 780nm (VCD/CD)
Safety regulations require that after a repair, you must
Output power : 7mW (DVD)
return the unit in its original condition. Pay, in particular,
: 10mW (DVD /CD)
attention to the following points:
Beam divergence: 60 degree
. Route the wires/cables correctly, and fix them with the
Note: Use of controls or adjustments or performance of
mounted cable clamps.
procedure other than those specified herein, may result in
. Check the insulation of the mains lead for external
hazardous radiation exposure. Avoid direct exposure to
damage.
beam.
. Check the electrical DC resistance between the mains
plug and the secondary side:
1) Unplug the mains cord, and connect a wire between
the two pins of the mains plug.
2) Set the mains switch the "on" position (keep the
mains cord unplug).
3) Measure the resistance value between the mains
plug and the front panel, controls, and chassis
bottom.
4) Repair or correct unit when the resistance
measurement is less than 1M .
5) Verify this, before you return the unit to the
customer/user (ref. UL-standard no. 1492).
6) Switch the unit "off", and remove the wire between
the two pins of the mains plug.
4.Set Block Diagram
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03 /LQH ,1
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5. Set Wiring Diagram
6. Disassembly Diagram
1)Dismanting of the top cabinet:Remove 10 screws A&B as indicated to loosen the top cabinet
A B
2)Dismanting of the PCB board:
a: Remove 6 screws C as indicated to loosen the main board
b: Remove 9 screws D as indicated to loosen the display board
C
D
5 4 3 2 1
7-1. Main Board Circuit Diagram
OFF PAGE
POWER CONNECTION
D D
USB_VCC
USB_VCC (1)
BT_VCC
BT_VCC (1)
-P5V
-P5V (1,2)
+P5V
+P5V (1,2)
USB+5V
USB+5V (1)
BT MODE SPARE AMP_VCC
AMP_VCC (2,3)
M33V
M33V (1)
STBY_CTRL
STBY_CTRL (1,2)
BT_CTRL
BT_CTRL (1)
T1
EEL25
! C316
1KV/102P R338 10R/1206
Q306
USB_Current
GND
AMP_GND
USB_Current
GND
(1)
(1,2)
1525SI BT_GND AMP_GND (3)
D310 HER103 BT_VCC USB_CTRL BT_GND (1)
1 8 2 3 USB_CTRL (1)
A_MUTE
+EC309 A_MUTE (3)
C313 +P5V_CTRL
+P5V_CTRL (1)
R313 200K/1206
R314 200K/1206
R315 200K/1206
10UF/16V 0.1uF
R336 10K R335 1K
1
+ R302 + C314
2
2
EC300 EC310 0.1uF R337
D302 D303 150uF/400V 330K/1206 C303 NC/100uF/16V 100K
IN4007 IN4007 102P/1KV Q305 Design standard
3
2N3904
9 BT_GND BT_GND 1 R334 4.7K BT_CTRL
1
1
C315
Default Power ON(BT_CTRL) +P5V 0.2A
2
2
R303 10 0.1uF R333 1 ON
2
2
100K
D300
IN4007
D301
IN4007
330K/1206
C317
D305
FR107
0 OFF -P5V 0.1A
1KV/100P + C310 R339
EC308 0.1uF 100K
1
! 100uF/16V M33V 0.8A
1
1
R304 Q300
! MD70R900P FB300 #3*6 3 Q304
VCC 1.5A
3
330K/1206 D304 1N4148 12 D309 HER103 2 S8050 3 -P5V
C R306 R305
CY301 250V/471PF
10-23.5V R312 100R 1
R332
EC312
10UF/16V
+
C312
100PF
AMP_VCC 1.2A C
1
IC300 10K
5
1.5M 1.5M OB2273 R311
2
4.7K/0805 3 2 +P5V
VDD
CX301 0.1uF/275V 3 Q303
RI
! GATE 6
R323 1K/0805
6
C311
S8550
1
CS 4
0.1uF GND R331
GND
2 FB 10
R346
R347
R348
EC304