Toshiba MW20F52 Service Manual page 76

A B
8
7
FROM TV POWER
SOUND+B
SOUND_GND
6
GND
FROM/TO MICON
R353
TV_POWER_H
R359 56K 1/4W
TV_A_MUTE
5 47K 1/4W
VOL_PWM
SDA
SCL
4
R305
3.9K
FROM DVD IN/OUT
R303
3
SW_AUDIO_OUT_L
2.2K
SW_AUDIO_OUT_R
R302
3.9K
FROM REGULATOR
L301
P.CON+8V
100uH 0607
2
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
1
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
A B
G-19
C D
SOUND AMP/SURROUND SCHEMATIC DIAGRAM
SOUND AMP IC
IC352 AN7522N
+ -
L R
1 2 3 4 5 6 7 8 9
6.6 3.5 0 3.5 3.9 1.3 0 1.3
HS351
763WAAA068
0.0056
W843
R356
C321
100K 1/4W
25V 2200 YK
R307
8.2K
C314
0.033
B
NC NC
4.2 1.9 4.6 0 0 4.1 4.2 4.2 0 4.4
1 2 3 4 5 6 7 8 9
NC NC PF4 GND
PF1 AGC L IN PF2 PF3
Tone
Volume 2.2K
AGC SURR
+
Control
Control
MODE
control VCC R IN Vref
NC NC BB RB RT
32 31 30 29 28 27 26 25 24
2.5 7.8 4.6 3.9 0 NC 0 NC 3.9 4.0 4.2 3.4
CAUTION
:SINCE THESE PARTS MARKED BY ARE NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
CRITICAL FOR SAFETY,USE ONES OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DESCRIBED IN PARTS LIST ONLY
C D
E
(VCR PCB)
- +
10 11 12
6.6 3.5 0 3.5
R357
1K
C358
C302 0.0056
B
C331
B
16V 10 KANP
R301
8.2K
MUTE SW
Q350
2SC3052-T1
6.3 0
0
W940
C320
470P
NC NC
4.0 0 0 2.3 4.0 4.5
10 11 12 13 14 15 16
NC NC
LT LB BD VD L ONT
+
Balance
/MUTE
+
BLD TD NC NC R OUT SDA SCL
23 22 21 20 19 18 17
2.3 0 NC 0 NC 4.5 5.02 5.02
R309
100 1/4W
R310
100 1/4W
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
E
F G
FROM/TO IN/OUT
C324
470P B
18
CP303
A2502WV2-4P
C332
SOUND R+ 1
C313
470P B
SOUND R- 2
470P B
SOUND L- 3
B
SOUND L+ 4
F G
H
8
7
SOUND_R+
SOUND_L+
SP_OUT_R
SP_OUT_L
6
CD303
SPEAKER
CH149006
SP351
MSF-18D5SB05
1
8 OHM
2
3 SPEAKER
5
4 SP352
MSF-18D5SB05
8 OHM
4
3
2
PCB010
DME069
1
H
G-20