Toshiba SD-25VLSR Service Manual page 135

A B
8
7
6
L801
D801
22uH 0305 1N4005-EIC
R804
100 R803
100
5
NC NC
NC NC
9.2 0 3.8 3.8 0 0 0 0 0 0
33 32 31 30 29 28 27 26 25
8.3
0
IIS_DA_IN2
C801
3.7
34 CAPL_M 36 AGND
50V 3.3 KA 35 AHVSS
0
NC SC2_IN_L
C803
0
0.1 F NC SC2_IN_R
0
NICAM/A2
ASG1
IC801
3.8
4 MSP3417G-QG-B8
C804 NC SC1_IN_L
3.8
0.1 F
SC1_IN_R 13 SDA
NC
C802 12 SCL
2.6
VREFTOP
44 AVSS
50V 10 KA
3.8
MONO IN
NC
0
1 2 3 4 5 6 7 8 9
4.9 1.5 1.5 0 2.3 2.2 2.5 0 0
0
NC NC NC
3
X801
18.432MHz
100CT01803
2
1
A B
H-19
C
Hi-Fi/DEMODULATOR SCHEMATIC DIAGRAM
C701
25V
W804
P.CON+9V
TU_AUDIO-L
TU_AUDIO-R
NC NC
0
24 23
R808
5.0
ST_RESET
RESETQ
1K
2.5
NC
R701
0 DVD_A-R
DVSS
47K
5.0
DVSUP
R702
SWD_AUDIO-R
TP_CO NC 0.5
47K
IIS_DA_IN1 NC 0
R703
FRONT_A_IN-R
P.CON+5V
IIS_DA_OUT NC 0
47K 1/4W
IIS_WS NC 0.5
DEC_AUDIO-R
IIS_CL NC 0.7
R801
2.3 DEC_AUDIO-L
IIC_DATA
100 1/4W
R802
2.5 IIC_CLK
100 1/4W
HIFI_AUDIO_OUT-R
10 11
5.0
C811
SIF
HIFI_AUDIO_OUT-L
47P CH
NORMAL_AUDIO_OUT
NORMAL_AUDIO_IN
DVD_A-L
SWD_AUDIO-L
FRONT_A_IN-L
AT+9V
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(VCR PCB)
C702 R718
R719 47K 1/4W
25V 10 KA
NC NC NC NC NC NC NC
47K 1/4W
10 KA
0.1 0.1 0.1 0.1 0.1 0.1 0.1
60 59 58 57 56 55 54
Hi-Fi/AUDIO/CANAL SW IC
0
IC701
NC
LA72646SM-MPB
0
NC
0
NC
0
NC
2.5
NC
0
NC
2.5
NC
C705
2.5
50V 2.2 KA
0.1
R-CH
R704
0 IN SEL
NC
10K
0.1
R705 C706
2.5
4.7K
50V 2.2 KA
0.1
R706 C707
1.7 SW ALC D.C
4.7K
25V 10 KA
4.5
4.5 SW ALC D.C
0
R707 C709 OUT
4.4
MUTE ALC
SEL
1K
50V 4.7 KA
0
R708
C710
4.4
1K 50V 4.7 KA
1 2 3 4 5 6 7
NC 2.5 9.7 2.1 0.1
0 2.5 5.1
C712
1 B
R709
47K R710
R711
47K
L701 47K
22uH 0305
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
D E
F G
22uH 0305
C733
NC
6.3V 47 KA
0 0 0 0 0 3.0 2.5 5.1 0.2 3.0 3.0 3.0 3.0
53 52 51 50 49 48 47 46 45 44 43 42 41
32
2.5
A GND
1.4
R-CH
ALC
PNR
1.2
0
HOLD
PULSE NC
5.1
SW
LOGIC
NOISE
0
3.8
LIM NC
C737
3.0
NOISE
DEV
DET
16V 22 KA
5.1
R-CH
VCO COMP
BPF
2.6 L703
LPF LIM
L-CH
22uH 0305
D0 DET
2.6
BPF
MIX
0 C735
NC
470P CH
0
ENV
DET
REC-H
PB AMP
2.1
2.1
COMP 0
2.1
PB AMP
REC-H 0.1
L-CH
ALC
IN SEL
2.7
2.7
VREF
A GND
8 9 10 11 12 13 14 15 16 17 18 19 20
0 2.0
2.5 2.7
1.8 0.1 0 0.1 0 2.7 2.4 5.1 2.7
F G
H
8
7
L702
AT+5.2V
C734
6
0.1 F
HIFI_H.SW
IIC_CLK
IIC_DATA
5
R715
22K
C739
6.3V 47 KA
AT+5.2V
C740
0.1 F
R716
4
2.2K
HF2
HF_COM
HF1
HIFI_ENV.DET
C738
0.01 B
31
3
HIFI_REC_MUTE
2
1
PCB010
VMD350
H
H-20