GRUNDIG Service
Chassis SZ
2 - 35
AMP_MUTE_CONT_N
AMP_STBY_CONT_N
AMP_STBY
EVOL_OUT_R
EVOL_OUT_L
AMP_STBY_CONT_N
AMP_MUTE_CONT_N
R801
10K
EVOL_OUT_R
EVOL_OUT_L
AMP_STBY
C808
1UF/25V
C807
330pF/50V/X7R
C800
100NF /50V
C810
470NF/50V
-OUT_LEFT-
L802
FE
R
R
IT
E
B
E
A
D
-
C
H
IP
1
20
R
/1
00
M
H
Z
3A
/1
20
6
P24V_AMP
L804
FE
R
R
IT
E
B
E
A
D
-
C
H
IP
1
20
R
/1
00
M
H
Z
3A
/1
20
6
+
-
1
2
C803
220UF/35V
P24V
P24V_AMP
HIGH-->MUTE ENABLE
R818
1K
AMP_MUTE
R813
4K7
R810
6K8
1
3
D801
15V
P24V
R814
10K
C816
100NF/25V
R820
10K
HIGH-->MUTE ENABL E
L OW-- >MUTE DISABLE
R817
1K
R811
4K7
R809
6K8
1
3
D800
15V
P24V
R816
10K
C815
100NF/25V
R819
10K
ZENER SOT23
Q801
BC848BLT1G
Q800
BC848BLT1G
TO SPEAKER
1
2
3
4
S800
PXD11
L805
FE
R
R
IT
E
B
E
A
D
-
C
H
IP
1
20
R
/1
00
M
H
Z
3A
/1
20
6
L803
FE
R
R
IT
E
B
E
A
D
-
C
H
IP
1
20
R
/1
00
M
H
Z
3A
/1
20
6
C806
330pF/50V/X7R
C805
330pF/50V/X7R
C804
330pF/50V/X7R
+
O
U
T_
LE
FT
+
+
O
U
T_
R
IG
H
T
+
-OUT_RIGHT-
C801
100NF /50V
C802
100NF /50V
L801
120R/100MHZ 3A
L800
120R/100MHZ 3A
C809
100NF /50V
C813
1UF/25V
C812
1U
F/
25
V
C814
1UF/25V
3V3_B
R800
47K %1
R803
47K %1
R804
15K %1
R802
15K %1
C811
470NF/50V
TP55
TP57
TP58
TP56
TP54
TP59
TP60
OUTL -
1
OUTL -
2
BOOT
3
MONO
4
FBL
5
IN L
6
NC
7
NC
8
M
U
TE
9
S
H
D
N
10
R
E
G
E
N
11
C
O
M
12
A
G
N
D
13
A
G
N
D
14
R
E
G
15
V
S
16
NC
17
IN R
18
FBR
19
MOD
20
C1N
21
C1P
22
OUTR-
23
OUTR-
24
O
U
TR
+
25
O
U
TR
+
26
PV
D
D
27
PG
N
D
28
PG
N
D
29
PV
D
D
30
O
U
TL
+
31
O
U
TL
+
32
E
X
P
O
S
E
D
33
U800
MAX9736
TP62
TP61
R825
0R/NC
EVOL -9V
SPEAKER
LOW-->MUTE DISABLE
28
28
29
29
Chassis – Verstärker / Amplifier
YRQ190R-7
MAX9736
CHARGE
PUMP
POWER
STAGE
REGULATOR
BIAS
MOD
MONO
SHDN MUTE REGEN AGND PGND
N.C.
20
FBR 19
INR 18
COM 12
INL 6
FBL 5
REG
VS
PVDD
C1N
C1P
15
16
1
2
0
3
,
7
2
22
3 BOOT
31, 32 OUTL+
25, 26 OUTR+
23, 24 OUTR-
1, 2 OUTL-
4
10
9
11 13, 14
7, 8, 17
28, 29
CONTROL
•
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Summary of Contents for 32 GLX 2500
Page 9: ...Chassis SZ GRUNDIG Service 1 9...
Page 10: ...Chassis SZ GRUNDIG Service 1 10 Chassis SZ GRUNDIG Service 1 10...
Page 12: ...Chassis SZ GRUNDIG Service 1 12...
Page 13: ...Chassis SZ GRUNDIG Service 1 13 Chassis SZ GRUNDIG Service 1 13...
Page 14: ...Chassis SZ GRUNDIG Service 1 14 Chassis SZ GRUNDIG Service 1 14...