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GRUNDIG Service
Chassisplatte / Chassis Board – Scaler RAM YTS190R-5
DDR18V
A_MADR0
M8
A0
M3
A_MADR1
A1
M7
A_MADR2
A2
A_MADR3
N2
A3
N8
A_MADR4
A4
A_MADR5
N3
A5
N7
A_MADR6
A6
P2
A_MADR7
A7
A_MADR8
P8
A8
P3
A_MADR9
A9
A_MADR10
M2
A10
P7
A_MADR11
A11
R2
A_MADR12
A12
A_BA0
L2
BA0
L3
A_BA1
BA1
R414
A_MCLK
22R
M0_CLK+
J8
CK
(150R)
R416
R418
22R
K8
A_MCLKZ
M0_CLK-
CK
A_CKE
K2
CKE
DDR18V
M8
B_MADR0
A0
B_MADR1
M3
A1
B_MADR2
M7
A2
N2
B_MADR3
A3
B_MADR4
N8
A4
N3
B_MADR5
A5
N7
B_MADR6
A6
B_MADR7
P2
A7
P8
B_MADR8
A8
B_MADR9
P3
A9
M2
B_MADR10
A10
P7
B_MADR11
A11
B_MADR12
R2
A12
L2
B_BA0
BA0
B_BA1
L3
BA1
R415
J8
B_MCLK
22R
M1_CLK+
CK
(150R)
R417
R419
B_MCLKZ
22R
M1_CLK-
K8
CK
K2
B_CKE
CKE
Chassisplatte – Verstärker / Chassis Board – Amplifier YTS190R-5
C833
R815
EAR_AU_OUT_R
EAR_AU_OUT_R
470R
1uF
C836
3.3nF
GND
C840
R825
EAR_AU_OUT_L
EAR_AU_OUT_L
470R
C842
1uF
3.3nF
GND
R811
AU_DACO_L
AU_OP_L
AU_DACO_L
470R
C824
3.3nF
GND
R846
4.7K
VCC5V
MUTE_S
R845
100R
MUTE_S
AMP_STB R806
100R
AMP_STB
R805
4.7K
VCC5V
R816
AU_DACO_R
AU_OP_R
AU_DACO_R
470R
GND
≥
•
A_MDDR_VREF
F7
LDQS
E8
LDQS
F3
LDM
G8
DQ0
G2
DQ1
H7
DQ2
H3
DQ3
H1
DQ4
H9
DQ5
F1
DQ6
F9
DQ7
IC401
HYB18TC512160B2F-2.5
C8
DQ8
C2
DQ9
D7
DQ10
D3
DQ11
D1
DQ12
D9
DQ13
B1
DQ14
B9
DQ15
B7
UDQS
A8
UDQS
B3
UDM
GND
GND
B_MDDR_VREF
F7
LDQS
E8
LDQS
F3
LDM
G8
DQ0
G2
DQ1
H7
DQ2
H3
DQ3
H1
DQ4
H9
DQ5
F1
DQ6
F9
DQ7
IC402
HYB18TC512160B2F-2.5
C8
DQ8
C2
DQ9
D7
DQ10
D3
DQ11
D1
DQ12
D9
DQ13
B1
DQ14
B9
DQ15
B7
UDQS
A8
UDQS
B3
UDM
GND
GND
VCC5V
R822
33K
R814
22K
8
OUT2
R818
7
VIN2
6
10k
/SD
C835
5
GND
2.2nF
R823
IC802
10K
GND
TS488IQT
R826
GND
GND
10k
C841
2.2nF
GND
R813
C813
R802
47K
220nF
10k
GND
GND
33
GND
EXP
9
DE-POP
/MUTE
10
/SHDN
11
REGEN
12
COM
IC801
13
AGND
MAX9736B
14
AGND
15
REG
16
VS
C802
C803
1uF/10V
1uF/10V
C817
1uF/10V
GND
C814
220nF
R807
10K
C826
R819
3.3nF
47K
+5V_ST
R830
GND
DE-POP
100R
R833
T801
BC847B
22K
R832
4.7k
ZTL431AFFTA
GND
R421
56R
A_DQS0P
R423
56R
A_DQS0M
RP401
R425
56R
A_DQM0
A-MDATA11
A-MDATA0
A-MDATA12
A-MDATA1
A-MDATA9
A-MDATA2
A-MDATA14
A-MDATA3
RP403
A-MDATA4
A-MDATA4
A-MDATA5
A-MDATA3
A-MDATA6
A-MDATA1
A-MDATA7
A-MDATA6
RP405
A-MDATA8
A-MDATA15
A-MDATA9
A-MDATA8
A-MDATA10
A-MDATA10
A-MDATA11
A-MDATA13
A-MDATA12
RP407
A-MDATA13
A-MDATA7
A-MDATA14
A-MDATA0
A-MDATA15
A-MDATA2
R436
56R
A_DQS1P
A-MDATA5
R439
56R
A_DQS1M
R480
56R
A_DQM1
R422
56R
B_DQS0P
R424
56R
B_DQS0M
R426
56R
B_DQM0
B-MDATA0
RP402
B-MDATA1
B-MDATA11
B-MDATA12
B-MDATA2
B-MDATA9
B-MDATA3
B-MDATA14
B-MDATA4
B-MDATA5
RP404
B-MDATA6
B-MDATA4
B-MDATA3
B-MDATA7
B-MDATA1
B-MDATA6
B-MDATA8
B-MDATA9
RP406
B-MDATA10
B-MDATA15
B-MDATA8
B-MDATA11
B-MDATA10
B-MDATA12
B-MDATA13
B-MDATA13
B-MDATA14
RP408
B-MDATA7
B-MDATA15
B-MDATA0
R438
56R
B_DQS1P
B-MDATA2
R440
56R
B_DQS1M
B-MDATA5
R482
56R
B_DQM1
R810
VCC3.3V-ST
0R
C820
10uF
GND
C827
100uF/16V
300R/100MHz
C830
1nF
R803
1K
C834
1
100uF/16V
VCC
GND
2
OUT1
3
VIN1
C837
300R/100MHz
R521
4
1nF
BP
22K
R847
C839
1K
1uF
GND
GND
C804
C809
1uF/25V
470uF/25V
C807
GND
L805
1uF/50V
GND
120R\100MHz
C801
470pF
27
GND
32
L801
OUTL+
31
OUTL+
30
120R\100MHz
PVDD
29
PGND
C806
28
PGND
470pF
27
PVDD
26
GND
L802
OUT_R+
25
OUT_R+
120R\100MHz
C810
470pF
GND
27
GND
L806
120R\100MHz
C811
C805
470pF
100nF
R839
GND
+5V_ST
330R %1
R834
R835
NC
1.2k %1
R844
+12V
10K
2
R836
IC803
2K 1%
2 - 14
A_MDDR_VREF
A_MDDR_VREF
B_MDDR_VREF
B_MDDR_VREF
A_MCLK
A_MCLK
A_MCLKZ
A_MCLKZ
A_CKE
A_CKE
A_WEZ
A_WEZ
A_CASZ
A_CASZ
4*47R
A_RASZ
A_MDATA11
A_RASZ
A_BA0
A_MDATA12
A_BA0
A_BA1
A_BA1
A_MDATA9
A_ODT
A_MDATA14
A_ODT
A_DQS0M
A_DQS0M
4*47R
A_DQS0P
A_DQS0P
A_MDATA4
A_DQS1M
A_MDATA3
A_DQS1M
A_DQS1P
A_DQS1P
A_MDATA1
A_DQM0
A_MDATA6
A_DQM0
A_DQM1
A_DQM1
4*47R
A_MDATA[15..0]
A_MDATA[15..0]
A_MDATA15
A_MADR[12..0]
A_MDATA8
A_MADR[12..0]
A_MDATA10
A_MDATA13
4*47R
DDR18V
A_MDATA7
A_MDATA0
A_MDATA2
A_MDATA5
C405
C406
C408
C409
10uF
100nF
100nF
100nF
GND
DDR18V
C427
C428
C429
100nF
100nF
100nF
DDR18V
C414
C415
C416
C418
C419
C420
10uF
100nF
100nF
100nF
100nF
100nF
4*47R
VCC1.8V
B_MDATA11
DDR18V
B_MDATA12
TP11
L413
B_MDATA9
0R
B_MDATA14
C423
4*47R
100nF
B_MDATA4
B_MDATA3
B_MDATA1
B_MDATA6
B_MCLK
4*47R
B_MCLK
B_MDATA15
B_MCLKZ
B_MCLKZ
B_MDATA8
B_CKE
B_CKE
B_MDATA10
B_WEZ
B_WEZ
B_MDATA13
B_CASZ
B_CASZ
B_RASZ
4*47R
B_RASZ
B_MDATA7
B_BA0
B_BA0
B_MDATA0
B_BA1
B_BA1
B_MDATA2
B_ODT
B_ODT
B_MDATA5
B_DQS0M
B_DQS0M
B_DQS0P
B_DQS0P
B_DQS1M
B_DQS1M
B_DQS1P
B_DQS1P
B_DQM0
B_DQM0
B_DQM1
B_DQM1
B_MDATA[15..0]
B_MDATA[15..0]
B_MADR[12..0]
B_MADR[12..0]
L803
TP1
HPR
C831
220pF
S801
RIGHT
Right
LEFT
Left
GND
GND
GND
TP2
Headphone
L804
TP3
HPL
GND
2
C838
VIN1
220pF
5
STDB
GND
3
BPS
BIAS
6
VIN2
L807
+12V
120R/100MHz
S804
C808
L+
1
(470uF/25V)
P1
L-
2
P2
L_SPK
S803
R+
1
P1
R-
2
P2
R_SPK
S802
TP4
L+
4
L-
TP5
3
R-
TP6
2
TO SPEAKER
R+
1
TP7
SPEAKER
28
VS
PVDD
16
2
, 7
0 3
22
REG
15
REGULATOR
FBL 5
INL 6
COM 12
BIAS
INR 18
FBR 19
MOD
20
CONTROL
MONO
4
10
9
11
13, 14
SHDN MUTE REGEN
AGND PGND
Chassis DB
C410
C411
100nF
100nF
GND
C430
100nF
GND
C421
C422
100nF
100nF
GND
C424
C425
C426
100nF
100nF
100nF
GND
Vcc
1
VOUT1
TS488
= STDB
TS489
= STDB
7
VOUT2
GND
C1P
C1N
1 2
3 BOOT
CHARGE
PUMP
31, 32 OUTL+
1, 2 OUTL-
POWER
STAGE
25, 26 OUTR+
23, 24 OUTR-
MAX9736
28, 29
7, 8, 17
N.C.
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