Main Section-1 - Sony ICD-S7 Service Manual

4-1. Block Diagrams – Main Section-1 –
MIC3201
MIC
Q3203,3208,
3209
Q3207
J3201
MIC
IC3204
DSPIVDD
3
4
1
SP3201
(SPEAKER)
A MICSENSE
D7102
(OPR)
XBATTEN
B
MICSEL
AUPWR
C
92
IC3201
MIC AMP, AGC,
HP AMP, POWER AMP
35 MICVCC
MICIN
34
LGAININ
28
BIASOUT
27
Q1202,2202
ROUT
42
LOUT
40
Q1201,2201
MUTE
Q3206
SWITCH
SPOUT+
4
2 SPOUT-
Q3202 Q3201
AGCDET
25
SWITCH SWITCH
AGCSW
22
STBYSW
14
32 GAINSW
HPPWR
IC7107
SI/PO DRIVER
8
HPMUTE
RED(REC) 5
XREDLED
GREEN(PB) XGREENLED
6
XBATTEN
14
4 MICSEL
3 CLOCK
DATA
2
2 29
RECOUT
17 39 RIN1
40 LIN1
ROUT2
RIN 13 30
LIN 15 31 LOUT2
OPGAR
25
26 ROUT1
OPGAL
28
27 LOUT1
33
MICPWR
BEEPIN 6
HPPWR 44
SPPWR 5
MUTE
11
XLMUTE 7
SPPWR 13
HPPWR 12
11
XDSPRST
XUSBRST 15
XEEPCS 9
10
EEPRST
30 5
IC7101 (1/3)
CPU
11 11
IC3202
ADC, DAC
STDO
STDO 1
BCLK
BCLK 48
LRCK
LRCK 47
SO
SDTI 2
ADACDTO
CDTI 11
ADACDTI
CDTO 10
ADACCLK
CCLK 9
XADACS
XCS 43
XRST
45
XRST
XPD 46
MCLK
MCK0
13
XUSBRST
IC6202
CLOCK GEN
6 CLKIN
Q0 3
1 CE
IC7106
EEPROM
1 CS
6 RESET
3 DI
4 DO
2
SK
34 24 91 23 33
ICD-S7
D
E
IC7108
REAL TIME CLOCK
WAKEUP
F
/AIRQ
6 CLK 4
/TIRQ 5
DATA
7
CE0
3
CE1
8
Signal path
: PB
: REC