Block Diagram (7) - Sony KF-WE50A1 Service Manual

BLOCK DIAGRAM (7)

CN4703
RES_AMP
RST_PRO
SCDT
SCSHIFT
SLATCH-1
ADC-PD
SP-MUTE
L CH
TO
R CH
G1 BOARD
AU-W
CN6029
SP-DC-PROT
+5.0V
+3.3V
SLATCH-2
STBY 5V
DT +9V
– 35 –
MAIN-Y INIT
9
INIT SCDT
10
SCDT SCSHIFT
11
IC4706
SCSHIFT SLATCH-1
12
A/D CONVERTER
SLATCH-1
13
14 7 PDWN
15
D OUT 27
17 1 L IN
BCK 19
19 2 R IN
LRCK 16
21
23
SCLKI 15
24 +5V
25 +3.3V
SLATCH-2
30
39 STBY+5V
40 +9V
IC4705
CLOCK 0SC
6
X4702
2
1 7
INIT
SCDT
SCSHIFT
IC4701
SLATCH-2
A/D CONVERTER
7 PDWN SCLKI 15
D OUT 27
1 W IN
BCK 19
2 IN
LRCK 16
RESET
IC4701
(1/3)(2/3)
BUFFER
+3.3V
Q4708
2/3
1/3
STBY+5V
Q4711
3/3
IC4701
(3/3)
GATE
IC4704
+ 1.8V REG
+3.3V VCC OUT +1.8V
IC4707
I2S-PWM CONVERTER IC4710
POWER AMP
27 INIT
21 SCDT
PVDD_B
22 SCSHFT
23 SLATCH
PVDD_A
18 NSP MUTE
19 SOF MUTE
OUT L1 11 2 BP OUT_B
31 DATA
OUT L2 9 17 AP OUT_A
30 BCK
29 LRCK
4 /RST
13 /SD
36 XSFI IN
IC4708
14 XSFO OUT OUT R1 6
POWER AMP
48 XSFO IN OUT R2 4
PVDD_B
OSC
X4703 PVDD_A
OUT
49.152MHz
IC4702 2 BP OUT_B
I2S-PWM CONVERTER
17 AP OUT_A
48 XSF0 IN
4 /RST
36 XSFI IN
13 /SD
27 INIT IC4703
POWER AMP
21 SCDT
22 SCSHFT
23 SLATCH
PVDD_B
18 NSP MUTE
19 SOF MUTE
PVDD_A
31 DATA OUT L1 11 2 BP OUT_B
30 BCK
29 LRCK OUT L2 9 17 AP OUT_A
4 /RST
13 /SD
IC4709
RESET DELAY
D4717
+3.3V 2 VCC RESET 1
Q4902
Q4901,4909
+B OFF
+9V
DETECT
KF-WE42A1/WE50A1/WS60A1
IC4712
+ 12V REG
+12V OUT VCC
CN4705
TO
AU+18V 1 AU 18V
H
G1 BOARD
2 AU-GND
CN1603
PS4702
32 .
AU+18V
31
24 .
23
LPF CN4702
1 L+
30
SP9001
SPEAKER
( L-CH )
25 2 L-
3 R+
SP9002
DC DETECT
SPEAKER
Q4706,4707
( R-CH )
4 R-
PS4703
32 .
AU+18V
31
24 .
23
LPF
30
25
DC DETECT
Q4704,4705
PS4704
32 .
AU+18V
31
24 .
23
CN4701
LPF
1 W+
30
SP9003
SPEAKER
( WOOFER )
25 3 W-
DC DETECT
Q4701,4702
Q4703
KD (AUDIO AMP)
– 36 –
RM-1022 RM-1022 RM-1022