Verstärker - Grundig 22 VLE 521 BG Service Manual

GRUNDIG Service
Chassisplatte – Verstärker / Chassis Board – Amplifier (VTY190R-3)
R507
4.7K
FAULT R524 NC
FAULT
36
R518 100R
37
I2S_MCK 1 8
I2S_MCK
I2S_WS 2 7
I2S_WS
I2S_BCK 3 6
38
I2S_BCK
I2S_SD 4 5
I2S_SD
AMP_STB
AMP_STB
39
R520
1k
R522 C535
4.7K
22pF C538 C537
22pF
22pF
R528
4 5
3 6
13
1 8
I2C-SDA
I2C-SDA
I2C-SCL 2 7
I2C-SCL
12
100R
R529 10K
RES_AU
VCC3V3
R531 1k
RES_AU
R532
C548
33K
D504
1UF 1
3
2
RESET_OUT
9
BAT54CW-7-F
RESOP
RESOP
10
EAR_OUT_R
EAR_OUT_R
EAR_OUT_L
EAR_OUT_L
Switch on (trigger: V_adp.) Power on (trigger: VCC1V25)
9 0
fl ‡
C507 4.7NF
C510 R503 470R
47NF
C513 4.7NF
C514 R504 470R
47NF
IC500
TAS5739MD
VCC3V3
C520
C519
10UF 100NF
13
AVDD
14
A0/FAULT
C527 15
MCLK
4.7UF 16
NC
17
DVSS
C526 18
VR_DIG
100NF 19
/PDN
20
LRCLK
21
SCLK
22
SDIN
23
SDA
24
SCL
R523 R521
100K NC
C539
22pF
VCC3V3
C505
100NF
VCC3V3-ST
R535
PD 15.4K
PD
D503
R533
D502 BAT54CW-7-F
BAT54CW-7-F
47K
R530
1.2K
T500 C549 VCC19V
R534
BC847B 4.7UF 1K R511
1 6.2K
R536
1 8
2 7
R537
3 6 1
4 5 IC501 6.2K
10K
5 R502 4 AP432SRG-7 C503
8 1 1UF
7 2
6 3
C500
1K
1UF
R513 R509
220K 220K
34
C504 C506
3.3nF 3.3nF
@
°
C508 C509
1UF 33NF
C512
2.2NF
RP500
C515 100R*4
C550
100nF
C525
40
100nF
49
EPAD
C551
100nF
48
PGND_AB
47
OUT_B
46 C523
PVDD_B
45 33NF
BST_B
44
BST_C
43
PVDD_C
42 C534
OUT_C
41 33NF
PGND_CD
40
OUT_D
39 C536
PVDD_D
38
33NF
BST_D
37
HPVDD
C511
VCC3V3
C528
1UF 100nF
VCC_AUDIO
C541
1UF
C544 C545 C546
C542 10uF 10uF 10uF
1UF 35V 35V 35V
R500 R501
33R 33R
C502
10nF
L
7 BQ
Serial
SDIN Audio
Port R
7 BQ
DAP
Click and Pop
Sample Rage
MCLK
SCLK Autodetect
Microcontroller
LRCLK and PLL
Based
SDA Serial System
SCL
Control Control
Terminal Control
#
·
2 - 20
L503
NR 6045T 220M
TP28
C533
220NF
C516
C531 C532
330PF
220NF 220NF
C517
C529
330PF
220NF
RP501 L502
41
100R*4 NR 6045T 220M
TP29
TP30
L500
NR 6045T 220M
C530
C518
330PF RP502
C521 C522
100R*4 220NF
220NF 220NF
C540
330PF
RP503 L501 C524
100R*4 NR 6045T 220M 220NF
TP31
L504
TP32 30R
4A
C547
10uF 35
35V
3 S500
HPR TP33
HPL TP34 2
R505 R506
D500 D501 4
1
TP35
C501
PHONE_JACK_PJ-3600
10nF R508
1K 1K VCC3V3
10K
R510
HP_DETECT
100R
OUT_A
2 HB
th
4
FET Out OUT_B
Order
Noise
Shaper
and
OUT_C
2 HB
PWM
OUT_D
FET Out
Protection
Control Logic
HPL_OUT
TAS5739
HPR_OUT
HPL_IN HPR_IN
› fi
‚ =
Chassis TY
1
SP_LEFT+
P1
SP_LEFT- 2
P2
3
SP_RIGHT-
P3
SP_RIGHT+ 4
P4
S501
MOLEX_5025850470
HP_DETECT