4-2
Samsung Electronics
Troubleshooting
4-1 Checkpoints by Error Mode
4-1-1 Power Failure
UIC1 Main PCB;
pin 14, 40, 55 and 89 of 5V?
Yes
Yes
Check for
POWER-SENSE (5V) at Main PCB
; pin 95 of UIC1
POWER PCB (SMPS)
CN2(6) CHECK → 5V?
Check NORMAL
VOLTAGE at SMPS PCB
; D51
Replace CON3 wire
Check pattern from CON3
to pin 95 of UIC1
Check for circuit at SMPS
PCB; ICM01, Fuse (F1), D81
Replace D51.
Check Resistance from GND
to pin 85 of MICOM (UIC1).
If short (0 ohm), Replace
MICOM (UIC1)
No
No
Yes
No
Yes
No
The power does not turn on.
When POWER ON
for Front PCB, Check for HIGH
voltage (5V) at ZIC; pin16
Replace the VFD DRIVER IC
(ZIC1).
No
Yes
A
Содержание HT-Z410
Страница 18: ...2 10 Samsung Electronics MEMO ...
Страница 32: ...4 10 Samsung Electronics Troubleshooting AMP Page 7 4 Fig 4 4 1 5 6 4 4 4 6 6 4 4 ...
Страница 87: ...Samsung Electronics 6 5 PCB Diagram 6 3 FRONT PCB Bottom I J K I J K CONU1 FL1 CN24 CON6C CON6B CONSA ACON1 ...
Страница 90: ...6 8 Samsung Electronics PCB Diagram 6 5 AMP PCB Bottom J7 FJ1 J3 ...
Страница 91: ...Samsung Electronics 6 9 PCB Diagram 6 6 RF PCB Top 1 IC11 MJ4 RCN1 RCN2 IC13 ...
Страница 93: ...Samsung Electronics 6 11 PCB Diagram 6 7 RF PCB Bottom MJ4_1 ...
Страница 96: ...6 14 Samsung Electronics PCB Diagram 6 8 2 Test Point Wave Form TP8 TP9 TP1 TP2 TP3 TP4 TP10 TP11 TP12 ...
Страница 98: ...6 16 Samsung Electronics PCB Diagram 6 10 SMPS PCB Top CN3 CN1 CN2 ICM1 ...
Страница 101: ...Samsung Electronics 7 3 Schematic Diagram This Document can not be used without Samsung s authorization 7 2 FRONT POWER ...
Страница 103: ...Samsung Electronics 7 5 Schematic Diagram This Document can not be used without Samsung s authorization 7 4 RF ...
Страница 107: ...Samsung Electronics 7 9 Schematic Diagram This Document can not be used without Samsung s authorization 7 8 IPOD ...