Sound Amp - Orion MD17 Service Manual

A B
8
7
FROM CHROMA
W813
6
SOUND+B
SOUND_GND
FROM Y/C/AUDIO/HEAD AMP
R313
Y/C_AUDIO_OUT
820
5
W810
GND
4
FROM MICON
R359
TV_A_MUTE
10K
VOL_CTL
R353_1
TV_POWER_H
68K
3
2
FROM POWER
POWER_FAIL[DC]
CAUTION: SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
1
DESCRIBED IN PARTS LIST ONLY
A B
G-11
C
SOUND AMP SCHEMATIC DIAGRAM
SOUND AMP IC
IC352 AN7523
- +
9 8 7 6 5 4 3 2
0.1 NC 0 0.3 3.9 3.4 0 3.5 8.2
HS352
763WAA0014
C356_1
50V 2.2 KANP
C354_1
25V 2200 YK
W834
6.6
0
MUTE
Q351
0 2SC2412K
C366
W812
0.01 B
0.5
SW
SW
Q353
0
Q352
KRC102RTK
0
0
2SC2412K
10.0
0
ATTENTION: LES PIECES REPAREES PAR UN ETANT NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
(SYSCON PCB)
1
NOTE:
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
C353
16V 1000 YK
49
C368
16V 1000 YK
SOUND_GND
CAUTION: DIGITAL TRANSISTOR
THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
F G
H
8
7
6
FROM/TO 21PIN/IN/OUT
SOUND_L+
SP_OUT_L
5
4
TO SPEAKER
CP354
SPEAKER
B2B-EH-A
SP351_1
SP_OUT 1
NF-16D27W-6
2
8OHM
3
FROM POWER
AT+12V
2
PCB010
VM9171
1
H
G-12