3-4
MUTING TROUBLESHOOTING
(MUTE STATE)
MUTE
YES
YES
YES
EXPEND IC (IC305)
STATE CHECK
EXPEND IC (IC305)
FAULTY IS CHANGE
MICOM
IC302 57PIN HIGH
STATE CHECK
Q752 (A102)
Emitter "HIGH"
NO
NO
Q701, Q751 (D1302)
BASE "HIGH" CHECK
NO
YES
YES
YES
Q752 (A102) STATE CHECK
Q752 (A102)
FAULTY IS CHANGE
EACH PART TR CHANGE
6. MUTING TROUBLESHOOTING (MUTE STATE)
EXPEND
IC (IC501/502)STATE
EXPEND IC OK
YES
YES
D553 / D551 (1SS133)
CHANGE
D553 / D551
(1SS133) CHECK
16PIN VDD
VOLTAGE CHECK
NO
NO
YES
YES
YES
PCB PATTERN CHECK
MICOM
(IC302) 39 / 44PIN CHECK
(CLK1/2)
3 "EXP-CLK" CHECK
NO
NO
YES
YES
YES
PCB PATTERN CHECK
MICOM (IC302)
72PIN CHECK
2 "EXP-DATA" CHECK
NO
NO
YES
YES
EXPEND IC
FAULTY IS CHANGE
4PIN ~ 15PIN EACH
PORT STATE CHECK
NO
7. EXPEND IC (IC501 / 502) STATE
Содержание MDS902S
Страница 9: ...1 8 MEMO ...
Страница 17: ...2 15 2 16 MEMO MEMO ...
Страница 18: ...2 17 PACKING ACCESSORY SECTION ...
Страница 31: ...3 13 INTERNAL BLOCK DIAGRAM OF ICs 1 HA12237F BLOCK DIAGRAM ...
Страница 32: ...3 14 2 NJW1190 BLOCK DIAGRAM 3 AF330W20FT 3 1 PIN CONFIGURATION ...
Страница 33: ...3 15 3 2 BLOCK DIAGRAM 3 3 PIN DESCRIPTION ...
Страница 34: ...3 16 4 AF350W01FT 4 1 PIN CONFIGURATION 4 2 BLOCK DIAGRAM ...
Страница 35: ...3 17 4 3 PIN DESCRIPTION ...
Страница 36: ...3 18 3 19 WIRING DIAGRAM ...
Страница 37: ...3 20 3 21 BLOCK DIAGRAM ...
Страница 40: ...3 26 3 27 3 AUDIO MAIN SCHEMATIC DIAGRAM ...
Страница 41: ...3 28 3 29 4 DECK SCHEMATIC DIAGRAM ...
Страница 42: ...3 30 3 31 5 USB AUX2 HEADPHONE AMP SCHEMATIC DIAGRAM ...
Страница 43: ...3 32 3 33 6 I O JACK SCHEMATIC DIAGRAM ...
Страница 44: ...3 34 3 35 7 AMP SCHEMATIC DIAGRAM ...
Страница 45: ...3 36 3 37 8 WOOFER AMP SCHEMATIC DIAGRAM ...
Страница 46: ...3 38 3 39 9 FRONT SCHEMATIC DIAGRAM ...
Страница 47: ...3 40 3 41 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...
Страница 48: ...3 42 3 43 MAIN P C BOARD BOTTOM VIEW ...
Страница 49: ...3 44 3 45 2 SMPS POWER P C BOARD 3 SUB SMPS POWER P C BOARD ...
Страница 50: ...3 46 3 47 4 FRONT P C BOARD TOP VIEW ...
Страница 51: ...3 48 3 49 FRONT P C BOARD BOTTOM VIEW ...
Страница 52: ...3 50 3 51 5 AMP P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 53: ...3 52 3 53 6 WOOFER AMP P C BOARD MEMO ...
Страница 63: ...4 10 4 FOCUS WAVEFORM AT CD 1 F 2 F NO DISK 5 FOCUS WAVEFORM AT DVD 1 Q401 DVD_LD 2 Q402 CD_LD INSERT CD ...
Страница 65: ...4 12 8 TRACKING SIGNAL 1 Tro 2 Tr 3 Tr 9 RF WAVEFORM ...
Страница 66: ...4 13 10 DISK TYPE JUGEMENT WAVEFORM 1 F 2 FDO 3 SVRRF DVD CD ...
Страница 67: ...4 14 MEMO ...
Страница 68: ...4 15 4 16 SCHEMATIC DIAGRAMS 1 MPEG SCHEMATIC DIAGRAM ...
Страница 69: ...4 17 4 18 2 SERVO SCHEMATIC DIAGRAM ...
Страница 70: ...4 19 4 20 3 USB SCHEMATIC DIAGRAM ...
Страница 71: ...4 21 4 22 4 INTERFACE SCHEMATIC DIAGRAM ...
Страница 72: ...4 23 4 24 DVD P C BOARD TOP VIEW PRINTED CIRCUIT DIAGRAM ...
Страница 73: ...4 25 4 26 DVD P C BOARD BOTTOM VIEW ...