105
Input
CVBS,COMP
A
Check the input signal to video decoder
IC(DIGITAL UNIT U1102).
V : R1104
COMPONENT-Y : R1101
COMPONENT-Cb : R1103
COMPONENT-Cr : R1102.
Check the output signal from video
encoder IC (DIGITAL UNIT U1401).
V : Q1401-E
COMPONENT-Y : Q1402-E
COMPONENT-Cb : Q1403-E
COMPONENT-Cr : Q1404-E.
Check of the I
2
C control signal of video
selector IC(U3703).
8U-210119-4 CONNECT2 UNIT
I
2
C(SCL)
: N4007-18pin
I
2
C(SDA): N4007-17pin
see the sample wave form (page
106 ).
To B
• Defective connection of N3701.
• Power supply IC (U3701 or U3702) flaw.
•
To B
• DIGITAL UNIT flaw.
• Defective connection of the connector
(N4007 or N4004).
• 8U-310116 DIGITAL UNIT flaw.
NO
NO
NO
NO
YES
YES
YES
YES
Check power supply voltage.
8U-210119-1 AUDIO/VIDEO UNIT.
V+3.3V : U3701 Out pin
V-5V
: U3702 Out pin
Содержание AVR-4520
Страница 32: ...32 Personal notes...
Страница 102: ...102 Personal notes...
Страница 124: ...124 LEVEL DIAGRAM FRONT ch I V I V GAIN ADJ ANALOG ATT SPEAKER OUT REC OUT LEVEL DIAGRAM...
Страница 125: ...125 LEVEL DIAGRAM CENTER ch I V I V GAIN ADJ SPEAKER OUT...
Страница 126: ...126 LEVEL DIAGRAM SUBWOOFER ch I V I V 10dBFS DD IN Config1 GAIN ADJ SPEAKER OUT...
Страница 127: ...127 LEVEL DIAGRAM SURROUND ch I V I V GAIN ADJ SPEAKER OUT...
Страница 128: ...128 LEVEL DIAGRAM SURR BACK ch I V I V GAIN ADJ SPEAKER OUT...
Страница 129: ...129 LEVEL DIAGRAM FRONT HEIDHT ch I V I V GAIN ADJ SPEAKER OUT...
Страница 130: ...130 LEVEL DIAGRAM FRONT WIDE ch I V I V GAIN ADJ SPEAKER OUT...
Страница 131: ...131 LEVEL DIAGRAM ZONE2 3...
Страница 183: ...183 Personal notes Personal notes...
Страница 195: ...195 R5F3650NNFB DIGITAL U2101...
Страница 209: ...209 MX29LV160DBTI 70G NETWORK DSP U0103 U0203 U0303 MX29LV160DBTI 70G Block Diagram...
Страница 213: ...213 AK5358BET DIGITAL U0141 AK5358BET Pin Function...
Страница 218: ...218 ADV7850KBCZ 5 DIGITAL U1102 ADV7850...
Страница 236: ...236 2 FL DISPLAY FLD 17 BT 40GINK SPK SMPS Z6801 PIN CONNECTION GRID ASSIGNMENT Y2 q...
Страница 237: ...237 ANODE CONNECTION...