Grundig 32 GLX 2500, Service Manual, Page: 50 / 64

GR
UNDIG Ser
vice
Chassis SZ
2 - 34
LHOUT
EVOL_OUT_R
II S_SCK
II S_SDATA
II S_MCLK
II S_WS
II C1_SDA
II C1_SCL
SCART_AINR
SCART_AINL
AV2_AL
AV2_AR
AV3_AL
AV3_AR
RHOUT
EVOL_OUT_L
DAC_OUT_L
DAC_OUT_R
HDMI_LOUT_F IL
HDMI_ROUT_F IL
PC_AL
PC_AR
INR6
INL5
INR5
INL4
INR4
INR3
INL3
INL2
INR2
INR1
INL1
INL6
C546 2U2F/16V
C530
2U2F/16V
C557 2U2F/16V
C552 2U2F/16V
C532
68NF/50V
SDATA
1
MCL K
4
AOUTL
8
AOUTR
5
VA
7
AGND
6
SCLK
2
LRCK
3
U504
CS4334
C548 2U2F/16V
C579
100NF/25V
C526 2U2F/16V
C536
2U2F/16V
C555
100NF/25V
R518 100R
C553 2U2F/16V
L503
C5814U7F/16V
R562
10K
C583
1N5F/50V
C543 15NF/50V
C562
2.2uF
C534
1UF/16V
C538
33UF/25V
R514 1M
C
52
8
8N
2F
/5
0
V
R506
8K2
C540 2U2F/16V
R561
270K
C580 4U7F/16V
GND
1
SDA
2
SCL
3
CEXT
4
VCC
5
SWOUT
6
RSOUT
7
LSOUT
8
PSEUDO
9
BASSR2
10
BASSR1
11
TR
E
R
12
B
A
S
S
L
2
13
B
A
S
S
L
1
14
TR
E
L
15
M
V
O
L
IN
R
16
M
V
O
L
IN
R
17
IG
R
O
U
T
18
IG
L
O
U
T
19
IN
A
TT
R
20
A
G
C
O
U
T
R
21
IN
A
TT
L
22
AGCOUTL
23
CAGC2
24
CAGC1
25
INL4
26
INR4
27
INL3
28
INR3
29
INL2
30
INR2
31
INL1
32
INR1
33
IN
L6
34
IN
R
6
35
IN
L5
36
IN
R
5
37
T
O
N
E
R
O
U
T
38
H
V
O
L
IN
R
39
R
H
P
U
T
40
L
H
O
U
T
41
H
V
O
L
IN
L
42
T
O
N
E
LO
U
T
43
R
E
FI
N
44
U501
R2A15905F P
C560 2U2F/16V
R519 100R
R511
100K
C561
2.2uF
C544 2U2F/16V
C545 2U2F/16V
R559 560R
C551 2U2F/16V
C547
100NF/25V
R570
10K
R558 560R
R560
270K R564
10K
C535
8N2F/50V
C539
68NF/50V
C541 2U2F/16V
C542
68NF/50V
R563
10K
+
C563
100UF/16V
C516 2U2F/16V
C554
10UF/50V
C558
22PF/50V
C531
68NF/50V
R512
100K
C556 2U2F/16V
C582
1N5F/50V
C529
1UF/16V
C550
220NF/16V
C511
1UF/16V
R517
8K2
C559
22PF/50V
+
C566
100UF/16V
SCART_AINR
SCART_AINL
AV2_AR
AV2_AL
AV3_AR
AV3_AL
II C1_SDA
II C1_SCL
PC_AR
PC_AL
EVOL_OUT_L
EVOL_OUT_R
A5V
EVOL- 9V
AUDIO DAC
Vth(H) > 2.0 V
AUDIO E-VOL
R505 1K
R508 1K
VCC
1
IN R
2
DIF F
3
FIL TER
4
OUT R
5
GND
6
CNTL
7
OUT L
8
IN L
9
REF IN
10
U500
M62438FPDS_SRS
C517 2U2F/16V
C527 2U2F/16V
C525 2U2F/16V
C519 2U2F/16V
C515 2U2F/16V
EVOL -9V
C510 1UF/16V
R507 1K C524 470nF
R
50
9
10
0K
R516 31K6
R
51
3
1K
5
R510 47K
R
51
5
3K
6
R
50
4
4K
7
C537 470nF
C
53
3
4.
7n
F
SRS_IL
SRS_IR
SRS_OL
SRS_OR
SRS_IL SRS_IR
SRS_OL
SRS_OR
SRS_ON/OFF
SRS_ON/OFF
C578
2U2F/16V
HDMI_LOUT
HDMI_ROUT
+
C584
47UF/16V
R527
10K
R538
470R
R540
470R
C586
2N2F/50V
C587
2N2F/50V
+
C585
47UF/16V
R594
10K
R595
470R R596
470R
C588
2N2F/50V
C589
2N2F/50V
HDMI_LOUT_F IL
HDMI_ROUT_F IL
SCART_AR_OUT
SCART_AL_OUT
DAC_OUT_L
DAC_OUT_R
C569
4U7F/16V
R554
220R
C576
3N9F/50V
C574
4U7F/16V
R541
220R
C575
3N9F/50V
SCART_AL_OUT
SCART_AR_OUT
EVOL -9V
AUDIO OUT Buffer for SCART
C568
4U7F/16V
C570
4U7F/16V
R524
47K R523
47K
R536
12K
R535
12K
EVOL -9V
Q500
BC848BL T
Q501
BC848BLT1G
R597
680R
R599
680R
R525
0R
R521
0R
R532
0R
R537
0R
SRS_OL
SRS_OR
C593
2U2F/16V
C592
2U2F/16V
RHOUT
LHOUT
R
52
0
10
0K
/N
C
R
52
2
10
0K
/N
C
C565
470NF/10V
C564
470NF/10V
L501
1UH
L502
1UH
HPR
HPL
TP118
TP119
RIGHT
LEFT
GND
Right
Left
GND
S500
Headphone
II S_SDATA
II S_SCK
II S_WS
II S_MCLK
C567
4U
7F
/1
6V
DAC_OUT_L
DAC_OUT_R
20
21
22
23
24
25
26
27
19
18
Chassis – Audio YRQ190R-7
LRCK
3
SDATA
1
DEM /SCLK
2
MCLK
4
VA+
AOUTL
8
AOUTR
5
Serial Input
Interface
Interpolator
Interpolator
De-emphasis
Modulator
ΔΣ
Modulator
DAC
DAC
Voltage Reference
Analog
Low-Pass
Filter
Analog
Low-Pass
Filter
7
AGND
6
ΔΣ
CS4334/5/6/7/8/9
*
(
)
¡
™
£
≤
∞
§
≥
M62438FP
REF IN
IN L
OUT L
CNTL
GND OUT R
FILTER
DIFF
IN R
V
CC
SRS 3D Soun
d
REF
1
2
3
4
5
10
9
8
7
6
R2A15905
ROUT
RHOUT
LOUT
LHOUT
Tone Control
(Bass / Treble)
Mode
Selector
MCU
SDA SCL
VolumeL
IN L2
IN L1
IN L3
Input Gain
Control
VCC=9V
IN L4
VolumeR
Input Gain
Control
Mode
Selector
IN L5
IN L6
IN R2
IN R1
IN R3
IN R4
IN R5
IN R6
Mono
Stereo
+
+