CONFIDENTIAL
–
DO NOT COPY
Page
9-
5
File No. SG-0204
Yes
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Yes
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TROUBLE
OF
DC-DC
CONVERTER
Start
J7 PIN10,11,12
J7 PIN 2,3,4
The voltage is about + 12V while
power switch on
1.J7 connection good
2.Check J7
Pin1 is up to 3V?
3.Check power board
The voltage is about + 5V
1.Check power board
2.Check power cable
connection J7
U1 pin 5 6 7 8
The voltage is about +5V while
power switch on
1.J1 connection good
2. Check
U11 GPIO_7 Pi
n
U4 pin2
The voltage is about +3.3V
1.J1 to connection good?
2.Check U4
U6 pin 2
The voltage is about +3.3V
1.J1 to connection good?
2.Check U6
U8 pin2
The voltage is about +3.3V
while power switch on
1.Check J1 Connect
2.Check U8
U5 pin2
The voltage is about +1.8V while
power switch on
1.Check U5
END
U7&U8&U10 pin2
The voltage is about +1.8V
while power switch on
1.Check J1 Connect
2.Check
U7&U8&U10
Summary of Contents for VX32L
Page 24: ...CONFIDENTIAL DO NOT COPY Page 7 3 File No SG 0204 ...
Page 39: ...CONFIDENTIAL DO NOT COPY Page 7 18 File No SG 0204 BLOCK DIAGRAM ...
Page 47: ...CONFIDENTIAL DO NOT COPY Page 7 26 File No SG 0204 Fig E RESET TIMING WAVEFORM ...
Page 49: ...CONFIDENTIAL DO NOT COPY Page 7 28 File No SG 0204 Pin Configuration 400mil TSOP II x4 x8 x16 ...
Page 58: ...CONFIDENTIAL DO NOT COPY Page 7 37 File No SG 0204 Data Output Read ...
Page 60: ...CONFIDENTIAL DO NOT COPY Page 8 2 File No SG 0204 CH1 R R203 CH1 R C95 CH1 B R199 CH1 B C92 ...
Page 61: ...CONFIDENTIAL DO NOT COPY Page 8 3 File No SG 0204 CH1 G R195 CH1 G C89 CH1 VGAL R207 CH2 VOL ...
Page 63: ...CONFIDENTIAL DO NOT COPY Page 8 5 File No SG 0204 CH1 AV1 CH1 AV1L IN CH2 AV L Speaker ...
Page 64: ...CONFIDENTIAL DO NOT COPY Page 8 6 File No SG 0204 CH1 AV1 IN R CH2 AV_R Speaker CH1 AV2 ...
Page 67: ...CONFIDENTIAL DO NOT COPY Page 8 9 File No SG 0204 CH1 YPBPR1_R IN CH2 R Speaker CH1 YPBPR2_Y ...
Page 124: ...CAM Products 2000 TM top art ...
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