Grundig 46 VLE 8270 BL, Service Manual

Page: 61 / 79

GRUNDIG Service Chassis TK
2 - 23
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Chassisplatte – Verstärker / Chassis Board – Amplifier
R530
2K 1%
T500
BC847B
R528
1.2k %1
R526
330R %1
+5V2_ST
R527
5,6K
C506
2.2n
EAR_OUT_L
C507
2.2n
EAR_OUT_R
HPL
HPR TP52
TP50
EAR_OUT_L
EAR_OUT_R
R503
220k
R504
220k
C508
22nF
C505
22nF
TP51
7531 8642
R517
100R
RESET_OUT
RESET_OUT
R515 1k
D501
PESD5V0S1BL
D500
PESD5V0S1BL
FAULT
FAULT
C503 470n
R506 47K
R505 47K
C504 470n
C502
1uF
7531 8642
R529
10k
C500
1uF
PD
C501
1uF
3
1 2
D502
BAT54CW
PD
AMP_STB
R516
NC/4.7k
R514 10K
7531 8642
R501
10k
7
5
3
1
8
6
4
2
R502
33R
7
5
3
1
8
6
4
2
R539
33R
7531 8642
R500
1K
Ci
p
1
Ci
n
3
PVss
4
OutL
11
In
R
8
InL
6
Vdd
12
/PD
5
OutR
10
PG
ND
2
SVss
9
SGND
7
IC500
MAX9728A
+Aud_Vcc
PD
1
3
2
IC502
AP432SRG-7
3
1 2
D503
BAT54CW
C549
4.7uF
7531 8642
R518
100R
R519
8.2R
C539
10nF
R513
8.2R
TO LR SPEAKER
R508
82R
C522
100nF
C538
1uF
R507
8.2R
C537
680pF
C516
100nF
S
C524
100nF
C536
4.7nF
L501
120R/100MHz/3A
VCC_AUDIO
C523
220pF
TP59
TP54
R521
NC/0R
VCC3V3
AMP_STB
C525
1uF 35V
C515
100nF
TP53
TP55
R511
2.2K
GND_SUB
1
SA
2
TEST MODE
3
VSS_REG
4
VCC_REG
5
OUT2B
6
GND2
7
VCC2
8
OUT2A
9
OUT1B
10
VCC1
11
GND1
12
OUT1A
13
GND_REG
14
VDD_REG
15
CONFIG
16
OUT3B/DDX3B
17
OUT3A/DDX3A
18
EAPD/OUT4B
19
TWARN/OUT4A
20
VDD_DIG
21
GND_DIG
22
PWRDN
23
VDD_PLL
24
FILTER_PLL
25
PLL_GND
26
XTI
27
BICKI
28
LRCKI
29
SDI
30
RESET
31
INT_LINE
32
SDA
33
SCL
34
GND_DIG
35
VDD_DIG
36
GND_EXP
37
IC501
STA339BW
VCC3V3
I2S_WS
I2S_MCK
I2S_BCK
I2S_SD
I2S_WS
I2S_MCK
I2S_BCK
I2S_SD
I2C-SCL
I2C-SDA
C521
220pF
C527
100nF
C526
100nF
C517
100nF
C513
100nF
C535
100nF
C534
100nF
C518
100nF
C514
100nF
C528
220n 50V X7R
C519
220n 50V X7R
C520
220n 50V X7R
C529
220n 50V X7R
TP56
R510
2.2R
L502
NR6045T220M
L503
NR6045T220M
L504
NR6045T220M
L505
NR6045T220M
R520 10k
SP_LEFT-
SP_RIGHT-
VCC3V3
C511
10u 35V
C510
10u 35V
C509
10u 35V
C512
10u 35V
C530
22pF
C531
22pF
C532
22pF
C533
22pF
7531 8642
R512 100R
7531 8642
R509 100R
I2C-SCL
I2C-SDA
S
SP_LEFT-
SP_RIGHT-
26": 7W 8 Ohm
>32": 10W 8 Ohm
SPEAKER
P1
1
P2
2
P3
3
P4
4
GN
D
6
GN
D
5
S501
MOLEX_5025850470
7531 8642
R524 100R
R532 XX
FAULT
FAULT
AMP_STB
R523 10K
7531 8642
R535
100R
R533
8.2R
C546
100nF
C557
1uF
R534
8.2R
C556
680pF
C543
100nF
SUBW+
C551
100nF
C555
4.7nF
L506
120R/100MHz/3A
VCC_AUDIO
R531 100R
AMP_STB
C554
1uF 35V
C542
100nF
TP60
TP61
R536
2.2K
GND_SUB
1
SA
2
TEST MODE
3
VSS_REG
4
VCC_REG
5
OUT2B
6
GND2
7
VCC2
8
OUT2A
9
OUT1B
10
VCC1
11
GND1
12
OUT1A
13
GND_REG
14
VDD_REG
15
CONFIG
16
OUT3B/DDX3B
17
OUT3A/DDX3A
18
EAPD/OUT4B
19
TWARN/OUT4A
20
VDD_DIG
21
GND_DIG
22
PWRDN
23
VDD_PLL
24
FILTER_PLL
25
PLL_GND
26
XTI
27
BICKI
28
LRCKI
29
SDI
30
RESET
31
INT_LINE
32
SDA
33
SCL
34
GND_DIG
35
VDD_DIG
36
GND_EXP
37
IC503
STA339BW
VCC3V3
I2S_WS
I2S_MCK
I2S_BCK
I2S_SD
I2S_WS
I2S_MCK
I2S_BCK
I2S_SD
I2C-SCL
I2C-SDA
C547
330pF
C550
100nF
C553
100nF
C548
100nF
C552
100nF
C544
220n 50V X7R
C545
220n 50V X7R
R522
2.2R
L507
NR6045T220M
L508
NR6045T220M
SUBW-
VCC3V3
C541
10u 35V
C540
10u 35V
7
5
3
1
8
6
4
2
R525
100R
I2C-SCL
I2C-SDA
R_AUDIO
R_AUDIO
Woofer
R537 10K
VCC3V3
TO Woofer
P1
1
P2
2
P3
3
GN
D
4
GN
D
5
Molex_5025850370
S502
CON3+2
GND
GND
R538
NC
C558
NC/10u 35V
SR
SR
TP49
TP62
TP57
TP58
RIGHT
LEFT
GND
Right
Left
GND
S500
Headphone
1
2
3
4
S504
Wa
fer/2.0mm/1*4p/180
D
VCC_AUDIO
32
33
35 34
36
37
12
11
35 34
36
37
12
11
38
39
38
39
10
CHARGE
PUM
P
UVLO/
SHUTDOWN CONTROL
CLICK-AND-POP
SUPPRESSION
C1N
C1P
PVSS SVSS PGND
SGND INR
VDD
SHDN
ON
OFF
SVSS
VDD
SGND
INL
OUTR
5
(8)
12
(2)
1
(3)
2
(4)
3
(5)
4
(7)
9
(12)
11
(1)
6
(9)
10
(14)
7
(10)
SVSS
VDD
OUTL
8
(11)
MAX9728A
STA339BW
Power Digital DSP
Protection
current/thermal
Logic
Regulators
Bias
Power
control
FF
X
PLL
Volume
control
Channel
1A
Channel
1B
Channel
2A
Channel
2B
I2S
interface
I2C
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