Grundig 32 GLX 2500 Service Manual page 51

GRUNDIG Service
Chassis – Verstärker / Amplifier YRQ190R-7
L800
120R/100MHZ 3A
L801
120R/100MHZ 3A
P24V
+ C801
C800 C803
-
100NF /50V 220UF/35V
100NF /50V
470NF/50V
EVOL_OUT_L
EVOL_OUT_L
C810
28
EVOL -9V
P24V
R825
0R/NC
R811
4K 7
AMP_STBY_CONT_N R816 10K
R819
10K C815
100NF/25V
TP61
TP55
TP54 -OUT_LEFT-
P24V_AMP
C802 29
100NF /50V
330pF/50V/X7R 330pF/50V/X7R
C804 C805
L802
L805
1
OUTL -
1UF/25V C808 2
OUTL -
3
BOOT
4
MONO
47K %1 R800 5
FBL
15K %1 R802 6
IN L
7
NC
8
NC
TP59
AMP_MUTE_CONT_N
AMP_STBY_CONT_N
TP60
C814
1UF/25V
D800
ZENER SOT23
15V
R809 6K 8
R817
Q800 1K AMP_STBY
AMP_STBY
BC848BLT1G
HIGH-->MUTE ENABL E L OW-- >MUTE DISABLE
•
TO SPEAKER
S800
SPEAKER
TP56
-OUT_RIGHT-
TP57 TP58
29
330pF/50V/X7R 330pF/50V/X7R
C806 C807
P24V_AMP L803 L804
U800
MAX9736
24
OUTR-
23
OUTR-
22
C1P
21
C1N
20 R801
MOD
19 47K %1 R803 10K
FBR
18 15K %1
IN R
17
NC
1UF/25V
C812
C813
P24V
D801
15V
R813
4K 7
R814
AMP_MUTE_CONT_N 10K
Q801
R820 C816 BC848BLT1G
10K 100NF/25V
TP62
ª
2 - 35
VS PVDD C1P
16 2 , 7 0 3 22
REG 15
CHARGE
REGULATOR
PUMP
FBL 5
INL 6
COM 12
BIAS POWER
STAGE
INR 18
FBR 19
MOD 20
CONTROL
MONO 4
MAX9736
10 9 11 13, 14 28, 29
SHDN MUTE REGEN AGND PGND
C809
100NF /50V
3V3_B
R804 EVOL_OUT_R
EVOL_OUT_R
C811
470NF/50V 28
R810 6K 8
R818
1K PXD11
AMP_MUTE
HIGH-->MUTE ENABLE
LOW-->MUTE DISABLE
Chassis SZ
C1N
1 2
3 BOOT
31, 32 OUTL+
1, 2 OUTL-
25, 26 OUTR+
23, 24 OUTR-
7, 8, 17
N.C.