Dvd I/O - Toshiba SD-V280 Service Manual

A B
8
7
6
5
4
3
2
1
A B
H-23
C D
Hi-Fi/DEMODULATOR SCHEMATIC DIAGRAM
(VCR PCB)
C744
0.1 F
C743
R716
3.3K
50V 0.22 YK
HI-FI/AUDIO/HEAD AMP/DEM IC
R717
2.2M
C746
0.1 B
C747
C751
50V 10 YK 0.1
L702_1 22uH
P.CON+5V
0305
C748 C749
0.1 F 0.1 F
HIFI_A_OUT_R
C750 R720
6.8K
50V YK
2.2
ST_SELECT
HIFI_A_OUT_L
C757
RF_CONV_A_OUT
C754 50V 10 YK
L703
P.CON+12V
100uH
16V 47 YK
35V
C756
TO_NORMAL_A
50V 10 YK
R718
FROM_NORMAL_A
1K
R719 50V
390
C755
0.022 B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
NOTE:THE DC VOLTAGE EACH PART WAS
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C D
E F
IC701
2.2 0 3.5 2.1 2.3 4.7 4.7 0 4.9 NC 0 1.6 0 2.4
0
AN3663FBP
48 47 46 45 44 43 42 41 40 39 38 37 36 35
3.4
DEM_BLK
ZZ-PROM
LOGIC
2.7
4.5M CUE AM 95HMz MUTE VCO-F0
TRAP BPF DEMOD BPF CTL ADJ
F LOGIC
4.9
SUB SUB 3.5M S/N
COMP
BPF DET VCO
SW12
PNR RCH
2.5 SW NOISE PB
MAIN FM LOGIC
SW21
DEEN DEMOD
SW9 RCH
4.2
SUB DEEN
MATRIX VCO
AUDIO
FROM 1PIN
MUTE LIMIT
OUTPUT SW REC LPF
2.3
LOG
R SW18
AMP R L BS
AMP
PC PB LPF
AMP
SW19 HIFI
0
L
J
R
MIX
AN3672FBP RCH BPF
1.2 MUTE
SW16 FM UM
L
SW10
MIX LCH BPF
4.3 SW17
HIFI
AMP
L
R BS
PC PB LPF
11.0 FROM 3PIN
RFC
AUDIO
4.3 LIMIT
DET
SW14
SW4
C759
1.0
SW2
SW NOISE
PNR LCH
SW22 L
22 YK
MIX
2.4
S/N
MIX DET
R
C760
2.3
L REC LPF
AGC
INPUT_SW(L)
1 KA LCH VCO
2.2 R
INPUT_SW(R)
0.6
VREF1
1 2 3 4 5 6 7 8 9 10 11 12 13 14
2.3
0 2.3 0 2.2 2.4 2.1 0.5 0 0 0 2.0 2.2 0
E F
G
FROM/TO OPERATION/DISPLAY
FRONT_A_IN_L
FRONT_A_IN_R
FROM/TO TUNER/JACK
HIFI_A_OUT_L
HIFI_A_OUT_R
0.7 2.4
RF_CONV_A_OUT
34 33
REAR_A_IN_L
C730 0.015 B
2.4
REAR_A_IN_R
C731 SIF_OUT
2.1
HIFI ENV.
50V 0.22 YK
TP701
1.8
NC
D701
REC 1.8
V.REC_ST-H
1SS133
1.8 HIFI_ENV.DET
C732 0.01 F
28
2.5
HIFI_H.SW
C729 0.01 B
HPF
C722
0
NOISE
DET 0.1 B
L704_1
4.9
P.CON+5V FROM/TO Y/C/AUDIO/CCD/H.AMP
LINER
SW 0305
22uH
C723
0.6
HOLD HF2
TIMING 0.01 F C761_1
0
6.3V 47 KA
CURR
C724
AMP
0.7
-
HF1
0.01 F
-
0
+ HF_COM
C725 0.1 B FSC
0
FROM_NORMAL_A
SW15
C726 0.015 B
H 2.4
TO_NORMAL_A
SW11 C727 50V 10 YK
L
2.4
C728_1 16V 10 KA
0.7 FROM/TO REGULATOR
P.CON+5V
15 16
P.CON+12V
0 2.4
GND
FROM/TO VCR SYSCON
V.REC_ST-H
HIFI_ENV.DET
HIFI_H.SW
AUDIO_MUTE-H
SCL
SDA
ST_SELECT
FROM/TO DVD I/O
DVD_A_OUT_L
DVD_A_OUT_R
PCB010
VMA251
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
G
H
8
7
6
5
4
3
2
1
H
H-24