Service Manual
Haier
21/57
(4) Check whether the data inputs are normal.
Input::AY1(pin 88)
Output::ACO(pin83),AYO(pin 84)
9.11SP3450G(ANALOG:U6002)-Multi stand sound processor
(1) Check whether the proper power is supplied (5v,8v).
(2) Check I2C bus (pin 2 and 3).
(3) Check whether the 18.432 M HZ clock is connected to pins 71 and 72.
(4) Check whether the inputs/outputs are normal
INPUT:SIF(pin
67),SC1_IN_R(pin
57),SC1_IN_L(pin
56),SC2_IN_R(pin
54),SC2_IN_L(pin
53),SC3_IN_R(pin51),SC3_IN_L(pin50),SC4_IN_R(pin48),SC4_IN_L(pin 47),
OUTPUT:audio out L,R(pin 33,34),DACM L,R(PIN 27,28),DACM SUB(pin 30)
9.12 TA2024(ANALOG:U6000)-Digital Audio Ampifier Driver
(1) Check whether the proper power is supplied (12V).
(2) Check whether the inputs/outputs are normal.