GRUNDIG Service
Chassis CN
2 - 10
Chassisplatte – Verstärker / Chassis Board – Amplifier
NC
C548
0R
R510
100R
R504
10UF
C502
NT72453
AUDIO/IF
AUD_VRM
E22
DACOUT_R1
D21
DACOUT_L1
D22
DACOUT_R0
C21
DACOUT_L0
C22
AUD_VRP
E23
ADIN_R2
G21
ADIN_L2
G22
ADIN_R1
F21
ADIN_L1
F22
ADIN_R0
F23
ADIN_L0
E21
SPDIF_OUT/CI_IORD#/GPD_28
M2
I2S_OUT_A_DATA/PTSIN1_D5/GPD_9
K2
I2S_OUT_A_WS/PTSIN1_D6/GPD_10
K1
I2S_OUT_A_BCLK/PTSIN1_D7/GPD_11
L3
I2S_OUT_A_MCLK/PTSIN2_ERROR/GPD_12
J5
I2SIN_DATA/PTSIN1_D2/GPD_6
J3
I2SIN_WS/PTSIN1_D3/GPD_7
J2
I2SIN_MCLK/PTSIN1_D4/GPD_8
K3
DEMOD-
H22
DEMOD+
H23
VIF_IF_AGC/DEMOD_IF_AGC/PTSOUT_VALID/PTSIN2_VALID/DEMODOUT_VALID/GPD_14
J4
PTSOUT_CLK/PTSIN2_CLK/DEMODOUT_CLK/GPD_13
J6
SIF+
J22
SIF-
J23
I2SIN_BCLK/CI_HA1/CI_ALE8/GPE_3
R3
SPDIF_IN/CI_IREQ#/GPD_27
M3
DEMOD_Emerg/PTSOUT_START/PTSIN2_START/DEMODOUT_START/GPD_15
K6
AUD_VCM
G18
IF_2+
J18
IF_2-
J19
NC
V15
CLK_OUT
W15
IC100E
NT72453-BA
2.
2U
F
C5
44
0R
BD500
D_IF_SoC_P
D_IF_SoC_N
D_IF_SoC_P
D_IF_SoC_N
SOC_IFAGC
SOC_IFAGC
SC_LIN
SC_RIN
SC_LIN
SC_RIN
SC_LIN
SC_RIN
C560
100nF
GND
3
Vcc
2
Vin
1
SH
IE
LD
4
SH
IE
LD
5
S502
OPT-111
L506
R519 100R
C561
10pF
TP59
SPDIF_OUT
SPDIF_OUT
0R
R511
NC
C549
10UF
C503
10
0N
F
C5
45
10
0N
F
C5
47
2.
2U
F
C5
46
AUD_VRP
AUD_VRM
AUD_VCM
SOC_IFAGC
D_IF_SoC_P
D_IF_SoC_N
AMP_SCL
AMP_SDA
AMP_PDn
6.2K
R537
1
3
2
BC847BW
T500
R518
2.7K
NC
R528
1K
R530
220NF
C512
R525
1k
10K
R517
C552
10uF
35V
C551
10uF
35V
C554
10uF
35V
C553
10uF
35V
33PF
C540
R509
100R*4
R513
100K
R535 10K*4
3
1
2
BAT54CW-7-F
D503
R512 1k
220NF
C531
P1
1
P2
2
P3
3
P4
4
GN
D
6
GND
5
S500
MOLEX_5025850470
1
3
2
IC502
AP432SRG-7
3
1
2
BAT54CW-7-F
D500
L501
NR 6045T 220M
L500
NR 6045T 220M
L503
NR 6045T 220M
L502
NR 6045T 220M
R515
100R*4
220NF
C520
220NF
C511
220NF
C537
220NF
C529
C523
100nF
C533
100nF
1UF
C538
100NF
C555
100NF
C532
1UF
C570
1UF
C575
AUX_RST
3
1
2
BAT54CW-7-F
D504
VCC_AUDIO
100NF
C519
R514
4.7K
4.7UF
C564
R524
84.5K
D501 D502
22R*4
R516
C559
10nF
C558
10nF
R529
10K
HPh_DETECT
R533
100R
2
4
1
3 S501
PHONE_JACK_PJ-3600
VCC24V
1UF
C550
FAULT
47NF
C515
470R
R501
4.7NF
C509
47NF
C507
470R
R500
4.7NF
C504
100NF
C510
2.2NF
C508
1UF
C505
33NF
C506
100R*4
RP501
330PF
C528
R506
15K
OUT_
A
1
PV
DD_A
2
BS
T_
A
3
GVDD_OU
T
4
SS
TIME
R
5
NC
16
AV
SS
9
PLL_FLTM
10
PL
L_
FL
TP
11
VR_ANA
12
AVDD
13
A0/FAULT
14
MCLK
15
DVSS
17
VR_DIG
18
/PDN
19
LRCLK
20
SDIN
22
SDA
23
SCL
24
/RESET
25
ST
ES
T
26
DVDD
27
DVSS
28
GND
8
AGND
7
VREG
6
HPVSS
34
CP
N
35
CP
P
36
HPVDD
37
BST_D
38
PVDD_D
39
OUT_D
40
PGND_CD
41
OUT_C
42
PVDD_C
43
BST_C
44
BST_B
45
PVDD_B
46
OUT_B
47
PGND_AB
48
EPAD
49
SCLK
21
HPR_IN
29
HPL_I
N
30
HP_
GN
D
31
HPR_OUT
32
HPL_O
UT
33
TAS5739MD
IC500
4A
L504
30R
33NF
C524
33NF
C530
33NF
C535
100R*4
RP502
100R*4
RP503
100R*4
RP504
330PF
C534
330PF
C516
330PF
C518
TP55
TP52
TP53
TP51
TP50
TP57
TP56
TP58
10UF
C521
VCC3V3-ST
6.2K
R531
C5
17
10
0n
F
C527
100nF
10UF
C556
10UF
C522
33PF
C541
33PF
C542
33PF
C543
FAULT
AMP_RSTn
HPL
HPR
AMP_SCL
AMP_SDA
FAULT
AMP_PDn
AMP_PDn
AMP_RSTn
AMP_RSTn
AMP_SCL
AMP_SDA
470R
R502
R-C Low Pass Filter:
Fc=1/2*3.14*(R+Rint)*C
Fc = 45kHz
Rint=600Ohm
470R
R503
EAR_OUT_R
EAR_OUT_L
EAR_OUT_R
EAR_OUT_L
HPh_DETECT
HPh_DETECT
AUX_RST
VCC3.3V
VCC3.3V
VCC3.3V
VCC3.3V
VCC3.3V
VCC3.3V
TP49
SPDIF_IN
GPD14
I2S_A_BCLK
I2S_A_DATA
I2S_A_MCLK
I2S_A_LRCLK
S
SP_LEFT-
SP_RIGHT-
RES_AUD
AUX_RST
I2S_A_BCLK
I2S_A_DATA
I2S_A_LRCLK
VCC_AUDIO
3.3NF
C514
AUDIO POWER
SPDIF OUT
DEMOD_RST
DEMOD_RST
DEMOD_RST
3.3NF
C513
TP54
TP60
VCC_AUDIO
= 12V R524: 30.9K %1
VCC_AUDIO
= 24V R524: 84.5K %1
I2C ADDRESS: 46
R505
10k
I2S_A_BCLK
TP48
0R
R508
28
29
30
31
11
10
9
8
32
33
34
34
35
SDIN
MCLK
SCLK
LRCLK
Serial
Audio
Port
L
R
VOLUME
DRC
Protection
Logic
Click and Pop
Control
SDA
SCL
4
Order
th
Noise
Shaper
and
PWM
SRC
DAP
Sample Rage
Autodetect
and PLL
Terminal Control
Serial
Control
Microcontroller
Based
System
Control
7 BQ
7 BQ
OUT_A
OUT_B
HPL_OUT
HPR_OUT
HPR_IN
HPL_IN
2 HB
FET Out
OUT_C
OUT_D
2 HB
FET Out
TAS5739
8
Power on (trigger: VCC)
9
Power on (trigger: VCC)
0
!
•
ª
º
⁄
32
‹
›
fi
