Sound Amp/Headphone Amp - Toshiba 42HP16 Service Manual

42" digital plasma color television
Hide thumbs Also See for 42HP16:
Table of Contents

Advertisement

A
B
8
7
C301
390P CH
FROM STEREO
6
SP_AUDIO_OUT_R
SP_AUDIO_OUT_L
FROM POWER
5
GND
SOUND_GND
S801Y
SOUND+B
AT+5V
4
FROM TUNER/OUT JACK
POWER_ON-H
AUDIO_MUTE
3
0
4.8
SW
Q302
KTC3875S_Y_RTK
4.8
R325
SW
0
Q301
0
1K
KTC3875S_Y_RTK
0
2
W910
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
H-9
C
SOUND AMP/HEADPHONE AMP SCHEMATIC DIAGRAM
3
R304
C320
1K
50V
1
KANP
W886
2
R302
C319
50V
1
KANP
1K
0
R311
3.0
SW
10K
Q300
0
KTC3875S_Y_RTK
R324
47K
C304
0.1 B
C364
C365
6.3V
220
V-S
6.3V
220
V-S
W911
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)
SOUND AMP
IC301
TA2024-ASE
24.0
5.5
C337
+5VGEN
CPUMP
50V
1
KANP
0
23.0
DCAP2
PGND1
0
14.0
DCAP1
NC
NC
C338
11.0
5.5
0.1
B
VD5
VDDA
0
0
AGND1
NC
NC
6.0
R317
0
REF
OUTP1
8.2K
11.0
+-1%
0
C339
NC
OVERLOADB
VDD1
0.1
B
11.0
C340
0
AGND2
VDD1
16V
1000
YK
6.0
5.5
V5A
OUTM1
6.0
R318
2.5
OAOUT1
OUTM2
22K
11.0
R314
2.5
C341
INV1
VDD2
0.1
B
22K
11.0
C342
0
MUTE
VDD2
16V
1000
YK
6.0
0
NC
OUTP2
NC
2.5
0
R319
OAOUT2
NC
NC
22K
2.5
0
R315
INV2
DGND
22K
2.5
0
C332
BIASCAP
NC
NC
0.1
R338
B
0
0
C323
AGND3
PGND2
470K
0.1
B
0
0
SLEEP
FAULT
NC
HS78
HS300
763WAAA066
NC
ATTENTION
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D
E
F
G
4
L300
10uH7313N
CP303 A2502WV2-2P
5
L301
10uH7313N
L302
10uH7313N
CP301 A2502WV2-3P
6
NC
7
L303
10uH7313N
CAUTION
:SINCE THESE PARTS MARKED BY
ETANT
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F
G
H
8
7
SPEAKER
SP304
EAS5PH134C
4 OHM 10W
TR301
W5T29X7.5X19
(L)
CD303
SPEAKER
CU12A501
SP302
SP OUT L+
2
1
EAS12D175B
SP OUT L-
1
2
6
CD301
CU13A301
SPEAKER
SP OUT R-
3
1
SP301
NC
2
2
EAS12D175B
SP OUT R+
1
3
4 OHM 10W
(R)
SPEAKER
SP303
TR302
EAS5PH134C
W5T29X7.5X19
5
4
3
2
PCBD20
CMF083
1
ARE
H
H-10

Advertisement

Table of Contents
loading

Table of Contents