3-10
ONE POINT REPAIR GUIDE
8. HDMI PROBLEM
No display or No Sound.
8-1. IC802
1) Check 3.3 V at L801, L802.
2) If 3.3 V is not output, check 3.3 VA at pin1 of IC802.
3) 1), 2) is OK.
Replace IC802.
8-2. IC803
1) Check 1.0 V at L803.
2) If 1.0 V is not output, check 3.3 V at pin1 of IC803.
3) 1), 2) is OK.
Replace IC803.
8-3. IC801
1) Check 5.1 VA at L804 of JK800.
2) If 5.1 VA is not output, following Step 2-2.
3) 1), 2) is OK.
Replace IC801.
< MAIN board top view >
< MAIN board bottom view >
L804
L804
L801,L802
L801,L802
JK800
JK800
IC801
IC801
IC802
IC802
IC803
IC803
Содержание SH4
Страница 9: ...1 8 ...
Страница 15: ...2 6 Figure 1 9 HOW TO DISASSEMBLE THE MAIN SET 9 Disassembly finish ...
Страница 17: ...2 8 Figure 2 3 HOW TO DISASSEMBLE THE WOOFER 4 Disassembly finish ...
Страница 21: ...2 14 ...
Страница 36: ...3 15 2 FLASH MEMORY FIG 2 VCC CS CLK DO 4 5 6 7 6 7 5 4 VCC CS CLK DO ...
Страница 38: ...3 17 4 USB FIG 4 1 5 V Voltage 12 FIG 4 2 USB D 13 FIG 4 3 USB D 14 12 14 13 ...
Страница 40: ...3 19 6 OPTICAL FIG 6 1 OPT_IN 18 FIG 6 2 OPT_DET 19 19 18 ...
Страница 53: ...3 42 3 41 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD DIAGRAM TOP VIEW BOTTOM VIEW ...
Страница 54: ...3 44 3 43 2 FRONT P C BOARD DIAGRAM 3 KEY P C BOARD DIAGRAM TOP VIEW TOP VIEW BOTTOM VIEW BOTTOM VIEW ...
Страница 55: ...3 46 3 45 ...
Страница 62: ...4 7 4 AMP VOLTAGE FIG 4 2 AMP_12V FIG 4 1 AMP PVDD 10 11 11 10 ...
Страница 63: ...4 8 5 PWM FIG 5 2 Woofer PWM SW Signal FIG 5 1 Woofer PWM SW Signal 12 13 13 12 ...
Страница 64: ...4 9 6 LED FIG 6 2 Pairing On Status Green LED FIG 6 1 Pairing Off Status Red LED 14 15 15 14 ...
Страница 65: ...4 10 ...