Grundig 32 GLX 2500 Service Manual page 33

Chassis – Audio YRQ190R-5
EVOL-9V
C510 1UF/16V U500
1
VCC
SRS_ IR C517 2U2F/16V 2
IN R
C524 R507 3
DIFF
1K 4
470nF
FILTER
SRS_ OR C527 2U2F/16V 5
OUT R
M62438FPDS_SRS
R510
47K
R516
C537 470nF
31K6
C540 2U2F/16V
SCART_AINL
SCART_AINL
C541 2U2F/16V
SCART_AINR
SCART_AINR
C544 2U2F/16V
AV3_AL
AV3_AL
C545 2U2F/16V
AV3_AR
AV3_AR
C546 2U2F/16V
PC_AL
PC_AL
C548 2U2F/16V
PC_AR
PC_AR
C551 2U2F/16V
AV2_AL
AV2_AL
C552 2U2F/16V
AV2_AR
AV2_AR
C553 2U2F/16V
HDMI_LOUT_FIL
C556 2U2F/16V
HDMI_ROUT_FIL
C557 2U2F/16V
DAC_OUT_L
C560 2U2F/16V
DAC_OUT_R
EVOL-9V
EVOL-9V
R597 R599
C567
680R
680R
R523 R524
47K 47K
C568
4U7F/16V
0R
DAC_OUT_L
R532
Q500
BC848BLT
Q501
0R
DAC_OUT_R BC848BLT1G
R537
C570
4U7F/16V
R535 R536
12K
12K
R541 R554
220R 220R
GND OUT R
CNTL FILTER
OUT L DIFF
IN L IN R
V
REF IN
CC
M62438FP
SRS_ IL SRS_ OL
10 C515 2U2F/16V C516 2U2F/16V
REF IN
9 C519 2U2F/16V SRS_ IL
IN L
8 C525 2U2F/16V SRS_ OL SRS_ IR SRS_ OR
OUT L
7 SRS_ ON/OFF C526 2U2F/16V
CNTL SRS_ ON/OFF
6
GND
C530
2U2F/16V
C534
1UF/16 V
C536
1M R514
2U2F/16V
C538
33UF/25V
INL4
INR4 23
AGCOUTL
24
CAGC2
25
CAGC1
INL3 26
INL4
U501
27
INR4
R2A15905 FP
INR3 28
INL3
29
INR3
30
INL2
INL2 31
INR2
32
INL1
INR2 33
INR1
INL1
INR1
INL6
INR6
INL5
INR5
25
2.2uF
C561
C593
DEM /SCLK AGND VA+ 2U2F/16V
2 6 7
3
SRS_ OR
LRCK
Serial Input
1 De-emphasis Voltage Reference
Interface
SDATA
Analog
8
ΔΣ
Interpolator DAC Low-Pass AOUTL
Modulator
Filter
Analog 5
ΔΣ
AOUTR
Interpolator DAC Low-Pass
Modulator
Filter
CS4334/5/6/7/8/9 4
MCLK
AUDIO OUT Buffer for SCART
C569
R521 4U7F/16V
0R
SCART_AL_OUT
SCART_AL_OUT
23
SCART_AR_OUT
SCART_AR_O UT
R525
C574
22
II S_SDATA
0R
4U7F/16V
II S_SC K
II S_WS
C576
C575 21
II S_MCLK
3N9F/50V
3N9F/ 5 0V
20
AUDIO E-VOL
HDMI_ROUT
R506
8K2
C532
C531
C584
C535
68NF/50V 68NF/50V 8N2F/50V HDMI_LOUT
47UF/16V
C539
R517
68NF/50V
8K2
C511
11 C542
BASSR 1
1UF/16V
10 68NF/50V
BASSR 2
9 C543 15NF/50V
PSE UDO
8
LSOUT
7
RSOU T
6
EVOL-9V
SWOUT
C529
5
VCC
1UF/16V
27
4
CEXT
3
SCL
2
SDA
C547
1
GND
C550
V 100NF/25
220NF/16V
100R R518
II C1_SDA
C562 C554
IIC1_SCL
C555
10UF/50V 100NF/25V 100R R519
2.2uF
C558 C559
SRS_ OL
22PF/50V 22PF/50V
C592 L501
RHOUT
2U2F/16V
1UH
C563 100UF/16V
L502
LHOUT LHOUT
1UH
C566 100UF/16V
RHOUT
26
470NF/10V
AUDIO DAC L503
C578
C579
2U2F/16V
100NF/25V
U504
CS4334
C580 4U7F/16V
R558 560R
II S_SDATA 1 8
SDATA AOUTL
II S_SCK 2 7
SCLK VA 24
II S_WS 3 6
LRCK AGND
C581 4U7F/16V
II S_MCLK 4 5
MCLK AOUTR
Vth(H) > 2.0 V
R560 R561 R562 R563
270K 270K 10K 10K
IN L1
IN L2
IN L3
IN L4
Input Gain
IN L5
IN L6
Mono
Stereo
IN R1
Input Gain
IN R2
C585
R595 R596 IN R3
47UF/16V
IN R4
470R 470R
HDMI_ROUT_FIL
IN R5
IN R6
R594
C588
C589
2N2F/50V
10K
2N2F/50V
R538 R540
470R 470R
HDMI_LOUT_FIL
R527
C587
C586
10K
2N2F/50V
2N2F/50V
R505 1K
EVOL_OUT_L
EVOL_OUT_L
EVOL_OUT_R
EVOL_OUT_R
*
R508 1K
R511 R512
100K 100K
19
IIC1_SDA
18
IIC1_SCL
(
S500
HPR RIGHT
Right
HPL LEFT
Left
GND
GND
Headphone
C564 C565
470NF/10V
)
A5V
¡
DAC_OUT_L
R559 560R
DAC_OUT_R
C582 R564 R570
C583
10K
10K
1N5F/50V
1N5F/50V
™
+
VCC=9V
R2A15905 Mode
Selector
VolumeL
LOUT
Control
LHOUT
Tone Control
(Bass / Treble)
RHOUT
Control
VolumeR ROUT
Mode
MCU
Selector
SCL SDA
+
£
≤
∞
§
≥