Block Diagram - Main1 Section - Sony ICD-SX68 Service Manual

4-1.

BLOCK DIAGRAM - MAIN1 SECTION -

Q3660
SWITCH
M101
(MIC)
L
M102
(MIC) R
IC3904
MIC AMP
M103
(MIC CENTER) V+
1 IN+ 5
OUT 4
IC3024
SELECTOR
J3201
PLUG IN
POWER 2 NO1
4 NC1
10
NO2
8 NC2
Q6001
SWITCH
FUNCTION
SWITCH
S6001,S6002,S6004
S6005-6008
S6010,S6012,
S6509,S6511
B6 C6 AD5
AD4
S6014
S6015
OFF
ON
HOLD
ICD-SX68/SX68DR9/SX78/SX78DR9/SX88
D3607
IC3203
D3606
SELECTOR
IC3655
SELECTOR
2 NO1
COM1 3
4 NC1
4 NC1
2 NO1
10
NO2
COM2 9 8 NC2
NC2
8
10 NO2
IN1 5
IN2 7
Q3659 Q3657
SWITCH SWITCH
COM1 3
COM2
9
IN1 5
IN2
7
AA3 AC20
AD20 AB20
IC1001(1/2)
SYSTEM CONTROLLER
AC5
AD3 AD2
S6016 S6013
ON OFF ON OFF ON OFF
V-UP DPC DIRECTNL
IC3202
AMP
COM1 3 3 A+INPUT
A OUTPUT 1
2
A-INPUT
COM2
9 5 B+INPUT
B OUTPUT
7
6
B-INPUT
IN1 5
IN2 7
VDD_HP
IC3654
VOLUME CONTROL
14 WA LA 13
11 WB LB 10
SPI1_CLK
2
SCLK
SPI1_MOSI
3 DIN
AGC_XCS
4 CS
PWM
ADA_XCS
PCM0_LRCK
PCM0_BCK
PCM0_DADT
PCM0_ADDT
CPU_RFFCLK0
AB21 V10 W8 W10 AD7 AD22
AC23 AB22 AC21 AC22
AC26
AB26
T26 U26
X1601
X1401
32.768KHz
11.2896MHz
13 13
ICD-SX68/SX68DR9/SX78/SX78DR9/SX88
IC3901
ADC, DAC, HEADPHONE AMP
HPCOM/MONO
9
AIN1L
27
IC3404
REG
VOUT 5
26 AIN1R +3.3V 1 VIN
CE
3
UNREG35-DET
A
MAIN2
SECTION
SWITCH
(Page 14)
HPOL/LOR
17
HPOR/LOR 16
Q3304
MUTE
22 AIN3R
23 AIN3L
29 AS/ADR
MC/SCR 31
32 LRCK
MD/ADA
30
1
BCK
2 DIN
3 DOUT
7 SCKI
AC8 AC7
U18 Y3 AA2 AA1 AB2
W3
D5004
GRNK
REDK
VDD_GP2
IC3403
POWER AMP
+
4 IN
12
OUTP
SP001
(SPEAKER)
-
OUTN 10
15
VDD2
2 VDD1
14 16
Q3402
J3301
SCK
LCD101
SDA
LIQUID
CS
CRYSTAL
DISPLAY
RES
CD
VDD_GP2
D5005,5004,5002
Q5001
LED DRIVE
AC6 U19 W22
V17
W2
Signal path
: PB
: REC