Pioneer PDP-R04E Service Manual page 164

1
MSP3417G (AV BOARD ASSY : IC7502)
• Multisound Processor
A
Block Diagram
ANA_IN1+ 2
B
40
SC1_IN_L
SC1_IN_R 41
43
MONO IN
C
Pin Arrangement (Top view)
D
E
F
164
1
2
De-
ADC
modulator processing
SCRAT
DSP
ADC
Input
Select
CAPL_M 34
AHVSS 35
AGNDC 36
NC 37
NC 38
NC 39
SC1_IN_L 40
SC1_IN_R 41
VREFTOP 42
MONO_IN 43
AVSS 44
2
3
Loud-
Pre-
speaker
Sound
Processing
DAC
Prescale
22
21
20
19
18
17
16
15
14
13
12
PDP-R04E
3
4
27 DACM_L
DAC
26 DACM_R
SCRAT
31
SC1_OUT_L
Output
Select 30 SC1_OUT_R
RESETQ
TP
DVSS
DVSUP
TP_CO
TP
TP
TP
TP
I2C_DA
I2C_CL
4