Av Sw/Jack - Toshiba 30HF66 Service Manual

Toshiba color tv service manual
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A
B
8
SWD_U
7
SWD_V
SWD_Y
6
FRONT_S_Y
5
FROM/TO TUNER
SPDIF_OUT
DTV_A_MUTE-L
SWD_U
SWD_V
SWD_Y
C_OUT
Y_OUT
TU_V_OUT
4
L703
AT+3.3V
FROM/TO MICON
22uH
0305
SWD_Y_DET
C.SYNC
Y_OUT[MICON]
C703
Y_OUT
AV2
16V
22
S_DET_1
KANP
S_DET_2
S_DET_3
EXT_MUTE
SDA1
SCL1
3
AT+3.3V
AT+5.2V
GND
P.CON+5V
P.CON+9V
FROM/TO STEREO
VAR_A_OUT_L
VAR_A_OUT_R
CS2_A_IN_L
CS2_A_IN_R
SWD_A_IN_R
2
SWD_A_IN_L
DVI_A_L
DVI_A_R
DVI_A_R
DVI_A_L
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-13
C
D
AV SW/JACK SCHEMATIC DIAGRAM
YUV SW
IC702 NJM2584AM(TE1)
C706
3.0
3.0
IN1B
IN1A
1 B
0
0
C716
NC
NC
NC
GND1
R747
10P CH
2.3
3.0
OUT1
IN2B
C714
100
0
5.1
C724
GND2
VCC
R748
10P CH
2.3
0
CTL
OUT2
C760
100
R749
10P CH
1.0
3.0
OUT3
IN2A
100
0
0
C767
NC
NC
NC
GND3
10P
10P
CH
1.7
1.8
IN3A
IN3B
R710
1M
C710
1 B
VIDEO AMP
IC704
MM1501XNRE
C754
0
0
SWD_Y_DET
Vin1
SW
W813
16V
22
KA
CS1_A_IN_L
0
0
SWD_Y_IN
GND
OUT
AV/S_V_IN_2
C771
W806
0
0.9
P.CON+9V
Vin2
VCC
W811
16V
22
KA
CS1_A_IN_R
FRONT_V_IN
C744
0.1 B
R708
SDA1
100
R707
SCL1
100
BUFFER
Q706
SWD_A_IN_R
2SC3928A
5.1
R717
R712
SYNC SEPA
Q707
120K
5.1
1.2K
2.8
2SA1530A
2.1
C757
R719
SWD_A_IN_L
5.0
1 F
220
0.3
L701
P.CON+9V
C.SYNC
47uH
25V
0305
Y_OUT[MICON]
43
Y_OUT
3.6
3.0
BUFFER
Q702
0
2SA1530A
DVI AUDIO IN
J701
MSP-292V2-32_NI_FE_LF
C_OUT
R
3.6
3.0
L
BUFFER
Q701
2SA1530A
0
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D
E
(AV PCB)
VAR_A_OUT_R
C731
VAR_A_OUT_L
1 B
D701
R789
0
EXT_MUTE
C732
1SS133
1K
1 B
L702
16V
47
YK
P.CON+5V
2.2
C730
R788
0
47uH
MUTE
0305
Q716
0.01 B
AV2
1K
0
2SC3928A
C733
0.1
5.2
DTV_A_MUTE-L
MUTE SW
C763
1 B
Q705
5.2
RT1P431C
CH
AT+5.2V
R714
1M
C734
1 B
AV SW
IC701
AN15853B-E1
C718
C742
4.5
4.8
1 B
1 B
Vref
C722
C723
4.8
4.5
25V
10
KA
1 B
C720
C740
4.5
4.8
1 B
1 B
C727
C725
4.8
4.5
25V
10
KA
1 B
0
0
Sin2
Sin1
C741
4.8
4.8
SDA
1 B
C726
4.8
4.5
SCL
1 B
C739
0
4.8
GND
0
1 B
C743
C728
4.7
4.5
Cin
0.01 B
1 B
C717
4.5
4.8
Rout
25V
10
KA
4.6
0
Yin
4.5
0
Lout
C721
4.4
4.7
6dB
C701
Vout
1 B
C707
C729
W826
100
YK
4.5
4.5
BIAS
C705
1 B
16V
22
KA
C719
0.01 B
4.5
4.7
6dB
Yout
1 B
+
C735
9.0
4.5
Vcc
1 B
C766
4.6
4.7
6dB
Cout
1 B
5.1
0
D_SW_1
D_L1_Vin
R711
NC
1.8K
R701
C702
1.8K
16V
10
KANP
CAUTION: DIGITAL TRANSISTOR
NOTE:
THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
IS NON POLAR ONE.
E
F
G
2.7
2.2
5.1
L704
D AUDIO DRIVER
R732
P.CON+5V
680 1/4W
Q703
100uH
2SC3928A
0
680 1/4W
0305
3.3
R759
C738
B701
MUTE
(W010)
Q717
R761
68
0.1 B
FCM1608CF-600T06
W845
SPDIF_OUT
2SC3928A
2.2K 1/4W
CS1_A_IN_L
CS1_A_IN_R
CS2_A_IN_L
CS2_A_IN_R
FRONT_S_C
R726
FRONT_A_IN_R
S_DET_1
D703
100
SWD_Y_IN
MTZJ6.8B-EIC
R728
FRONT_A_IN_L
75
AV/S_C_IN_1
AV/S_Y_IN_1
R729
AV/S_C_IN_2
75 1/4W
AV/S_V_IN_1
AV/S_A_IN_1_L
W828
AV/S_A_IN_2_R
AV/S_A_IN_1_R
AV/S_Y_IN_2
W829
AV/S_A_IN_2_L
R739
S_DET_2
D704
100
AV/S_V_IN_1
MTZJ6.8B-EIC
R730
AV/S_C_IN_2
75
AV/S_Y_IN_2
R731
AV/S_C_IN_1
75 1/4W
AV/S_V_IN_2
AV/S_A_IN_1_R
AV/S_A_IN_2_L
AV/S_A_IN_2_R
AV/S_Y_IN_1
W827
AV/S_A_IN_1_L
TU_V_OUT
FROM SOUND AMP
FRONT AV/S
CP701
(CD2201)
A2001WV2-8P
FRONT_A_IN_R
FRONT_A_IN_R
1
GND
2
FRONT_A_IN_L
FRONT_A_IN_L
3
GND
4
FRONT_V_IN
FRONT_V_IN
5
FRONT_S_C
FRONT_S_C
6
FRONT_S_Y
FRONT_S_Y
7
S_DET_3
FRONT_S_L
8
F
G
H
8
COAXIAL/AUDIO OUT
J705
MSP-213V1-732_NI_LF
R738
R
L
CO
7
CS_IN1
J706 YKC21-7306N
NC
Y
U
V
L
R
6
CS_IN2
J707 YKC21-7306N
NC
Y
U
V
L
R
5
AV/S_IN_1
J708
MSP-803V-BBA-432_NI_LF
C
Y
V
L
R
4
AV/S_IN_2
J709
MSP-803V-BBA-432_NI_LF
C
Y
V
L
R
3
2
PCBD20
CEF155
1
H
G-14

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