4-2
Samsung Electronics
Troubleshooting
4-1 Checkpoints by Error Mode
4-1-1 Power Failure
UIC1 Main PCB;
pin 14, 40, 55, 89 5V?
Yes
Yes
Check for
POWER-SENSE (5V) at Main PCB
: pin 22 of UIC1, 5V?
POWER PCB (SMPS)
C73 (+) CHECK → 5V?
Check NORMAL
VOLTAGE at SMPS PCB
: D51
Replace CON3 wire
Check pattern from MCON2
to pin 22 of UIC1
Check for circuit at SMPS
PCB; ICM01, Fuse (F1), D81,
T1, T2
Replace D51.
Check Resistance from GND
to pin 22 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
UIC2; pin 13, 43
Replace the VFD DRIVER IC
(ZIC1).
No
Yes
A
Содержание HT-Z210
Страница 18: ...3 4 Samsung Electronics MEMO ...
Страница 26: ...4 8 Samsung Electronics Troubleshooting MAIN Page 7 6 RIC4 BPIC1 MAIN PCB Top Page 6 10 Fig 4 2 6 6 6 6 ...
Страница 28: ...4 10 Samsung Electronics Troubleshooting AMP Page 7 5 Fig 4 4 1 ...
Страница 30: ...4 12 Samsung Electronics Troubleshooting AMP Page 7 5 IC1L CW SIC1 AMP PCB Top Page 6 6 Fig 4 5 ...
Страница 48: ...MEMO 4 30 Samsung Electronics ...
Страница 66: ...5 18 Samsung Electronics MEMO ...
Страница 69: ...Samsung Electronics 6 3 PCB Diagram 6 2 FRONT PCB Top 2 1 I I VFD FCON2 FCON1 FCW2 FCW3 KIC2 KIC1 KCON1A KCW2 ...
Страница 71: ...Samsung Electronics 6 5 PCB Diagram 6 3 FRONT PCB Bottom I I VFD FCON2 FCON1 FCW2 FCW3 KIC2 KCON1A KCW2 ...
Страница 72: ...6 6 Samsung Electronics PCB Diagram 6 4 AMP PCB Top 1 TP6 TP7 2 TP8 J7 FJ1 J3 MIC1 IC1L IC1CW IC1R NIC1 SIC1 ...
Страница 74: ...6 8 Samsung Electronics PCB Diagram 6 5 AMP PCB Bottom J7 J3 ...
Страница 75: ...Samsung Electronics 6 9 PCB Diagram 6 6 BLUETOOTH PCB Top 6 7 BLUETOOTH PCB Bottom CON1 ...
Страница 80: ...6 14 Samsung Electronics PCB Diagram 6 10 SMPS PCB Top CN2 ICMI CN3 ...