Service manual

25
21HS-50H
ICs ADDITIONAL INFORMATION:MSP34x5G (IC3001)
PMQFP44 package
CAPL_M
AHVSS
AGNDC
SC2_IN_L
SC2_IN_R
ASG
SC1_IN_L
SC1_IN_R
VREFTOP
MONO_IN
AVSS
RESETQ
I2S_DA_IN2
DVSS
DVSUP
ADR_CL
I2S_DA_IN1
I2S_DA_OUT
I2S_WS
I2S_CL
I2C_DA
I2C_CL
NC
SC1_OUT_L
SC1_OUT_R
VREF1
NC
AHVSUP
DACM_L
DACM_R
VREF2
NC
NC
ANA_IN1+
ANA_IN−
TESTEN
XTAL_IN
XTAL_OUT
AVSUP
TP
D_CTR_I/O1
D_CTR_I/O0
ADR_SEL
STANDBYQ
MSP 34x5G
34
35
36
37
38
39
40
41
42
43
44
22
21
20
19
18
17
16
15
14
13
12
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33 32 31 30 29 28 27 26 25 24 23
Simplified functional block diagram of MSP 34x5G
Source Select
Loud-
SCART1
SCART1
SCART2
MONO
De-
modulator
speaker
Sound
Processing
DACADC
Loud-
DAC
ADC
Sound IF1
speaker
I
2
S
I
2
S1
I
2
S2
Pre-
processing
Prescale
Prescale
SCART
DSP
Input
Select
SCART
Output
Select