
- 2-1 -
SECTION 2. ELECTRICAL
❏
ELECTRICAL TROUBLESHOOTING GUIDE(AUDIO PART)
P7904 6PIN P-SENS check
Refer to SMPS
Troubleshooting
Check if IC101 KIA7042
input is over 5V
Check if IC101 KIA7042
input is over 4.3V
IC101 KIA7042
relevant parts check
relevant parts
replacement
normal
IC101 KIA7042?
IC100 78KO/KF2 1 PIN
Power Check
normal
YES
NO
NO
NO
NO
YES
YES
YES
YES
■
MICOM PART CHECK I
Summary of Contents for LM-U360
Page 7: ... 1 6 ...
Page 20: ... 2 13 INTERNAL BLOCK DIAGRAM of ICs UTC MC4580 PIN CONFIGURATION TEST CIRCUIT ...
Page 21: ... 2 14 FAN8082D Internal Block Diagram ...
Page 22: ... 2 15 BU2090 Block diagram ...
Page 23: ... 2 16 BA3308 BA3308F BLOCK DIAGRAM BA3308 BA3308F ...
Page 24: ... 2 17 HT1200 4 SYSTEM BLOCK DIAGRAM ...
Page 25: ... 2 18 HT1200 4 FUNCTIONAL BLOCK DIAGRAM ...
Page 26: ... 2 19 CS5340 BLOCK DIAGRAM BU4052 BLOCK DIAGRAM ...
Page 27: ... 2 20 HA12237F BLOCK DIAGRAM ...
Page 28: ... 2 21 PT6324 BLOCK DIAGRAM ...
Page 43: ......
Page 53: ...2 54 2 55 PRINTED CIRCUIT DIAGRAMS MAIN P C BOARD TOP VIEW ...
Page 54: ...2 56 2 57 MAIN P C BOARD BOTTOM VIEW ...
Page 55: ...2 58 2 59 FRONT P C BOARD ...
Page 56: ...2 60 2 61 SMPS P C BOARD DECK P C BOARD BOTTOM VIEW TOP VIEW ...
Page 57: ...2 62 2 63 CD P C BOARD TOP VIEW ...
Page 58: ...2 64 2 65 CD P C BOARD BOTTOM VIEW ...
Page 59: ......
Page 65: ... 3 10 ...