PDP-4271HD
71
5
6
7
8
5
6
7
8
C
D
F
A
B
E
AUDIO ASSY CN3752 (A2)
↔
MAIN ASSY CN4007 (M9)
Pin Function
AUDIO ASSY CN3753 (A3)
↔
Speaker
AUDIO ASSY CN3751 (A1)
↔
POWER SUPPLY UNIT (P5)
Pin No.
Pin Name
I/O
Function
Remarks
1
A_NG_B
O
DC detection, disconnection of cable detection
L : Abnormal, H : Normal
2
GND
–
GND for small signal
–
3
AUDIO_L
I
Small signal L ch
–
4
GND
–
GND for small signal
–
5
AUDIO_R
I
Small signal R ch
–
6
GND
–
GND for small signal
–
7
A_STBY_B
I
MUTE ON/OFF signal for LA4625 IC internal circuit
L : Standby, H : ON
8
A_MUTE
I
MUTE ON/OFF signal for LA4625 IC external circuit
L : MUTE OFF, H : MUTE
9
SCL_AU
I
CLK of I2C for NJW1183GK1 IC
–
10
SDA_AU
I/O
DATA of I2C for NJW1183GK1 IC
–
11
PSW_A
I
ON/OFF switch for 12 V regulator IC
L : OFF, H : ON
Pin No.
Pin Name
I/O
Function
Remarks
1
+16.5V
–
Power supply (16.5 V) for LA4625 IC
–
2
GND_D
–
Return GND for LA4625 IC
–
3
GND_D
–
Return GND for LA4625 IC
–
Pin No.
Pin Name
I/O
Function
Remarks
1
RH+
O
Toweeter output R+
–
2
RL+
O
Woofer output R+ (Speaker output R+)
–
3
RH–
O
Toweeter output R–
–
4
RL–
O
Woofer output R– (Speaker output R–)
–
5
LL+
O
Woofer output L+ (Speaker output L+)
–
6
LH+
O
Toweeter output L+
–
7
LL–
O
Woofer output L– (Speaker output L–)
–
8
LH–
O
Toweeter output L–
–
Содержание PDP-4270HD
Страница 20: ...PDP 4271HD 20 1 2 3 4 1 2 3 4 C D F A B E 2 6 PANEL CHASSIS SECTION 1 2 3 6 4 5 8 8 8 8 8 8 9 13 7 10 12 11 14 ...
Страница 55: ...PDP 4271HD 55 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 189: ...PDP 4271HD 189 5 6 7 8 5 6 7 8 C D F A B E Block Diagram R2S11002AFT MAIN ASSY IC4701 AV SW ...
Страница 190: ...PDP 4271HD 190 1 2 3 4 1 2 3 4 C D F A B E Block Diagram R2S11001FT MAIN ASSY IC4901 Component SW IC ...