Samsung Electronics
4-25
Troubleshooting
4-2 Measures to be taken when the Protection Circuit operates
4-2-1 Operation of Power Block Protection Circuit
The Condition of Power Protection Active.
1. Voltage of SMPS’s PVDD (+34.5V, J3) is higher or lower than Standards.
Normal Condition Voltage Range: PVDD (+34.5V, J3): about +34.5V
2. Over-current occurs to AMP IC. (Over-output or Output short)
3. AMP IC’s temperature exceeds 150°C.
4. No supply voltage on GATE DRIVER.
Z210/Z310
SMPS
Part
Location
Pin No.
Protection Circuit Operation
Remark
Open
Short
CN3
+8V (15)
X
-
+5V (7, 12, 13)
X
+5.6V (5)
X
X
CN02
PVDD (about 34.5V) (7, 9)
X
X
-12V (3)
X
X
+12V (1)
<Table 4-1>
4-2-2 Power Protection
1. OTW: Active, IC’s inner temperature exceeds over 150°C.
(Under 2.7V, Protection Circuit wills Active)
2. TAS5352 3
TH
PIN: Shout down
(Under 2.7V, Protection Circuit wills Active)
<Fig. 4-14>
1
2
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 ...