AVH-P7950DVD/RC
53
5
6
7
8
5
6
7
8
C
D
F
A
B
E
Check 10: Is the audio circuit OK?
<Outline> The serial 3 lines digital DACCLK, output from DVD-LSI (IC1501), are converted to analog audio
signal at Audio-DAC (IC1801) and are output from the HOST I/F (CN1901).
Simultaneously, the analog MUTE signal is also output from DVD-LSI (IC1501) via the HOST I/F.
The digital audio signal (IECOUT), output from DVD-LSI (IC1501), is output via CN1852.
CN1901
HOST I/F
LRCK
LO
ADOUT3
SRCK
RO
GNDAU
CN1852
IC1801
Audio-DAC
IC1501
DVD-LSI
IEC
Fig 10.1: Audio circuit
<Check method> Playback DVD-REF-A1 TITLE 2 CHAPTER 1 (48 k/16 bit 1 kHz 0 dB),
and check with DGND being the reference.
In case of NG, check the applicable line, periphery of major components as described in the above drawing,
soldering of the peripheral components and defective components.
NO.
Check point 1 (stylus)
1
2
3
Specification value 1
Specification value 2
Reference waveform
ADOUT3
SRCK
LRCK
VCC33V-0.6 V or higher
VCC33V-0.6 V or higher
VCC33V-0.6 V or higher
0.4 V or lower
0.4 V or lower
0.4 V or lower
Waveform 1
Waveform 2
Waveform 3
GND
Fig 10.2: Serial 3 lines specification value
Side A
Specification
value 1
Specification
value 2
Fig 10.3: Serial 3 lines check points
SRCK
LRCK
ADOUT3
Summary of Contents for AVH-P7950DVD/CN5
Page 9: ...AVH P7950DVD RC 9 5 6 7 8 5 6 7 8 C D F A B E 2 SPECIFICATIONS 2 1 SPECIFICATIONS ...
Page 10: ...AVH P7950DVD RC 10 1 2 3 4 1 2 3 4 C D F A B E ...
Page 11: ...AVH P7950DVD RC 11 5 6 7 8 5 6 7 8 C D F A B E 2 2 DISC CONTENT FORMAT ...
Page 12: ...AVH P7950DVD RC 12 1 2 3 4 1 2 3 4 C D F A B E 2 3 PANEL FACILITIES ...
Page 13: ...AVH P7950DVD RC 13 5 6 7 8 5 6 7 8 C D F A B E ...
Page 14: ...AVH P7950DVD RC 14 1 2 3 4 1 2 3 4 C D F A B E ...
Page 15: ...AVH P7950DVD RC 15 5 6 7 8 5 6 7 8 C D F A B E ...
Page 16: ...AVH P7950DVD RC 16 1 2 3 4 1 2 3 4 C D F A B E ...
Page 17: ...AVH P7950DVD RC 17 5 6 7 8 5 6 7 8 C D F A B E ...
Page 18: ...AVH P7950DVD RC 18 1 2 3 4 1 2 3 4 C D F A B E 2 4 CONNECTION DIAGRAM ...
Page 19: ...AVH P7950DVD RC 19 5 6 7 8 5 6 7 8 C D F A B E ...
Page 20: ...AVH P7950DVD RC 20 1 2 3 4 1 2 3 4 C D F A B E ...
Page 65: ...AVH P7950DVD RC 65 5 6 7 8 5 6 7 8 C D F A B E 5 5 DISPLAY SEGMENT COMMON LCD CAW1921 ...
Page 109: ...AVH P7950DVD RC 109 5 6 7 8 5 6 7 8 C D F A B E ...
Page 121: ...AVH P7950DVD RC 121 5 6 7 8 5 6 7 8 C D F A B E ...
Page 132: ...AVH P7950DVD RC 132 1 2 3 4 1 2 3 4 C D F A B E A b A a A a 1 2 A b 1 2 1 2 2 A 2 2 A ...
Page 133: ...AVH P7950DVD RC 133 5 6 7 8 5 6 7 8 C D F A B E A b A a A a 1 2 A b 1 2 3 2 4 2 2 A ...
Page 137: ...AVH P7950DVD RC 137 5 6 7 8 5 6 7 8 C D F A B E A a A b A b 2 2 2 2 A K CN7551 M NSCLS NSOPEN ...
Page 140: ...AVH P7950DVD RC 140 1 2 3 4 1 2 3 4 C D F A B E 10 3 KEYBOARD UNIT GUIDE PAGE B a B ...
Page 141: ...AVH P7950DVD RC 141 5 6 7 8 5 6 7 8 C D F A B E B b B CN651 2 2 A B KEYBOARD UNIT ...
Page 142: ...AVH P7950DVD RC 142 1 2 3 4 1 2 3 4 C D F A B E B a B b B b 1 2 CN651 2 2 A B KEYBOARD UNIT ...
Page 143: ...AVH P7950DVD RC 143 5 6 7 8 5 6 7 8 C D F A B E B a B b B b ...
Page 144: ...AVH P7950DVD RC 144 1 2 3 4 1 2 3 4 C D F A B E B b B a B a B b 1 2 ...
Page 145: ...AVH P7950DVD RC 145 5 6 7 8 5 6 7 8 C D F A B E B a B b B b B a ...
Page 147: ...AVH P7950DVD RC 147 5 6 7 8 5 6 7 8 C D F A B E ...
Page 153: ...AVH P7950DVD RC 153 5 6 7 8 5 6 7 8 C D F A B E D b D a D a 1 2 D b1 2 CWW1434 ...
Page 159: ...AVH P7950DVD RC 159 5 6 7 8 5 6 7 8 C D F A B E ...
Page 163: ...AVH P7950DVD RC 163 5 6 7 8 5 6 7 8 C D F A B E G a G b G b 1 2 4 TC90A96BFGSING LCD MODULE ...
Page 169: ...AVH P7950DVD RC 169 5 6 7 8 5 6 7 8 C D F A B E G a G b G b 2 2 2 3 ...
Page 171: ...AVH P7950DVD RC 171 5 6 7 8 5 6 7 8 C D F A B E A a G b G a G b 2 2 G a 2 2 2 3 PEH111A ...
Page 173: ...AVH P7950DVD RC 173 5 6 7 8 5 6 7 8 C D F A B E J I H I SWITCH PCB UNIT J VOLUME PCB UNIT ...
Page 175: ...AVH P7950DVD RC 175 5 6 7 8 5 6 7 8 C D F A B E K b K K POWER SUPPLY UNIT ...
Page 176: ...AVH P7950DVD RC 176 1 2 3 4 1 2 3 4 C D F A B E K a K b K b 1 2 3 4 K POWER SUPPLY UNIT ...
Page 177: ...AVH P7950DVD RC 177 5 6 7 8 5 6 7 8 C D F A B E K a K b K b 4 5 ...
Page 178: ...AVH P7950DVD RC 178 1 2 3 4 1 2 3 4 C D F A B E A a K b K a K a K b 1 2 3 4 CN231 2 2 A ...
Page 179: ...AVH P7950DVD RC 179 5 6 7 8 5 6 7 8 C D F A B E A a K b K a K a K b 4 5 18K 680 UDZS5R1 B ...
Page 181: ...AVH P7950DVD RC 181 5 6 7 8 5 6 7 8 C D F A B E L b L L AMP UNIT ...
Page 182: ...AVH P7950DVD RC 182 1 2 3 4 1 2 3 4 C D F A B E L a L b L b 1 2 3 L AMP UNIT ...
Page 183: ...AVH P7950DVD RC 183 5 6 7 8 5 6 7 8 C D F A B E L a L b L b 3 4 5 ...
Page 185: ...AVH P7950DVD RC 185 5 6 7 8 5 6 7 8 C D F A B E A a L b L a L a L b 3 4 5 0 5 A ...
Page 189: ...AVH P7950DVD RC 189 5 6 7 8 5 6 7 8 C D F A B E M a M b M b 1 2 2 CN751 2 2 A ...
Page 190: ...AVH P7950DVD RC 190 1 2 3 4 1 2 3 4 C D F A B E M b M a M a 1 2 M b 1 2 1 Video input ...
Page 191: ...AVH P7950DVD RC 191 5 6 7 8 5 6 7 8 C D F A B E M b M a M a 1 2 M b 1 2 2 2 2 M A L CN9452 ...
Page 195: ...AVH P7950DVD RC 195 5 6 7 8 5 6 7 8 C D F A B E M a M b M b 2 2 2 3 4 A ...
Page 196: ...AVH P7950DVD RC 196 1 2 3 4 1 2 3 4 C D F A B E M b M a M a 2 2 M b 2 2 1 ...
Page 197: ...AVH P7950DVD RC 197 5 6 7 8 5 6 7 8 C D F A B E M b M a M a 2 2 M b 2 2 2 ...
Page 205: ...AVH P7950DVD RC 205 5 6 7 8 5 6 7 8 C D F A B E D SIDE A 0 50 60 70 80 90 A CN702 UNIT E ...
Page 206: ...AVH P7950DVD RC 206 1 2 3 4 1 2 3 4 C D F A B E D D DVD CORE UNIT 50 60 70 80 90 E ...