Grundig GDR 5400/1GMK2400, Service Manual

Page: 74 / 88

GRUNDIG Service
GDR 5400
2 - 14
LINE_AINR A_IN_R
BTSC_AIN_R
A_IN_L
AIN_R
LINE_AINL
AINL
AIN_L
-12V
AIN_L_R
AIN_R_R
AIN_R_F
AINR
AIN_L_F
BTSC_AIN_L
-12V
AIN_L_SCART
MUTEC
AUD_L
AO_RT
AO_LT
MUTEC
AUD_R
AOUT_RT
MUTEC
AOUT_RT
AOUT_LT
AIN_R
AIN_L
AOUT_LT
BTSC_AINL
BTSC_AINR
AIN_SEL1
AIN_SEL0
AIN_L_SCART
AIN_R_SCART
AO_LT
AO_RT
MUTE
AMUTE
E5_SPI_MOSI
AO_SCLK
E5_SPI_CS2
AMUTE
E5_SPI_CLK AO_FSYNC
AO_D0
AO_MCLKO
AI_FSYNC AI_D0
AI_SCLK
AI_MCLKO
AIN_L_F
AIN_R_F
AIN_L
AIN_R
DGND
VDD
SCKI
BCK
LRCK
DOUT
BYPASS
FMT
VCC
AGND
VREF2
VREF1
BCK
DATA
LRCK
DGND
VDD
VCC
AOUT_L
AOUT_R
AGND
VCOM
ZEROR/ZEROA
ZEROL/NA
MD
MC
ML
SCK
A0
INH
V-
NO0B
NO1B
COMB
GND
NO3A
NO0A NO2B
NO3B
V+
NO2A
A1
COMA
NO1A
Line Audio In
AIN_SEL[1:0]
01
10
11
00 BTSC/TUNER
Audio In(Back)
SCART_In
Audio In(Front)
Audio Source
GND_Ain
GND_Ain
GND_Ain
(74HCT4052D )
GND_Ain
GND_Ao
GND_Ao
GND_Chassis
GND_Chassis
GND_Ao
GND_Ao
GND_Ao
GND_Ao
Audio DAC
FMT=H: MSB First, I2S
BYPASS=L: HPF Enabled
Audio ADC
FMT=L: MSB First, Left-Justified
(CD4052BM)
VCC_AIN
GND_AV
V12-
GND_AV
GND_AV
GND_AV
VCC_AIN
GND_AV
GND_AV
VCC
VCC_AIN
GND_AV
V12-
GND_AV
GND_AV
GND_AV
V12
GND_AV
GND_AV
GND_AV
GND_AV
GND_AV
GND_AV
GND_AV
VCC V12
V12
GND_AV
GND_AV
V12-
VCC_AOUT
GND GND_AV GND_AV
V33
VCC
VCC
GND_AV GND
VCC_AIN_A VCC_AIN
FB544
BK1608HM601-T
C540
0.1uF FB543
BK1608HM601-T
Q540
2N3904
C686
1200PF
C542
0.1UF
C552
0.1uF
C543
1000PF
R559
4.7K
R686
3.3K
Q670
2N5401
C550
1000PF
Q673
S9014
R670 10K
R67447K
FB545
FBMJ2125HS420-T
C677
1200PF
R687
2K
+
C678
DNS-10UF/16V
+
C655
47UF/16V
R699
10
R502 1K
+
C671
220UF/16V
+
C553
47UF/25V
R689
100K
C680
DNS-3300PF
+
C690
220UF/16V
+
C541
47UF/25V
J607C
RCA_JACK_2x3
5
6
C684
100PF
Q675
S9014
R544
47K
C689
DNS-3300PF
1
C673
0.1UF
+
C546 22UF/16V
R553
47K
Q674
S9014
R671
100
C549
0.1UF
Q676
S9014
R677
2K
J607A
RCA_JACK_2x3
1
2
R543
4.7K
+
C688
DNS-10UF/16V
R500
10
R542
4.7K
R557
10K
R556
10K
+
C658
DNS-10UF/10V
+
-
U670B
NJM4580E
5
6
7
8
4
FB651
FBMJ2125HS420-T
+
C681
47UF/16V
1
2
D673
1N4148
R546
47K
R541 0
+
C551 22UF/16V
R540 0
C675
100PF
+
C555
22UF/25V
R684
1.8K R683
3.3K
Q677
S9014
R690
10K
+
-
U670A
NJM4580E
3
2
1
8
4
Q672
2N5401
R696
1.8K
R558
4.7K
C674
100PF
+
C652
47UF/16V
R680
180
+
C687
DNS-10UF/16V
D672 DNS
FB540
FBMJ2125HS420-T
R691
150
+ C656 4.7UF/16V
R688
2K
R554
10K
R682
3K
R695
3.3K
R697
3.3K
R650 10K
C682
0.1UF
FB671
BK1608HM601-T
+
C651
47UF/16V
C683
560PF
+
C650
47UF/16V
+
C672
47UF/16V
U650
PCM1801U/2K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C685
100PF
+ C657 4.7UF/16V
R685
3.3K
R547
47K
R694
3K
C545
100PF
+
C548
1UF/50V
C676
560PF
C544
100PF
R549
47K
R698
3.3K
C653
0.1UF
R550
9.1K
R538
10K
FB650 0
R551 0
R548
47K
Q671
2N5401
R555
10K
D670
1N4148
R6733.3K
R675
2K
R552 0
R679
150
R693
180
R651 DNS-0
R545
9.1K
R692
180
FB670
BK1608HM601-T
C654
0.1UF
R678
10K
R501
10K
R539 10K
R672 560
R676
100K
U651
PCM1742
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
J405A
RCA_JACK_2
1
2
J405B
RCA_JACK_2
3
4
Q541
2N3904
+
C679
DNS-10UF/16V
+
C547
1UF/50V
U540
MAX4052A
9
6
7
1
2
3
8
11
12 5
4
16
14
10
13
15
R681
180
C670
0.1UF
21
21
22
22
23
32
31
24
25
28
29
30
31
26
27
22
Buchsenplatte / Socket Board – Audio (Version 1)
Audio
Serial
Port
Output Amp and
Low-Pass Filter
DAC
4x/8x
Oversampling
Digital Filter
with
Function
Controller
Enhanced
Multilevel
Delta-Sigma
Modulator
Output Amp and
Low-Pass Filter
DAC
BCK
LRCK
DATA
ML
MC
MD
Serial
Control
Port
System Clock
Manager
Zero Detect
Power Supply
V
OUT
L
V
COM
V
OUT
R
V
DD
DGND
ZEROL ZEROR
SCK
System Clock
V
CC
AGND
PCM1742
Clock/Timing Control
BYPAS
V
CC
V
DD
AGND
Reference
Format
Control
FMT
SCKI
Serial Data
Interface
DOUT
BCK
LRCK
V
IN
L
V
REF
1
V
REF
2
V
IN
R
Power Supply
DGND
(–)
(+)
x1/64
Decimation
and
High-Pass Filter
5th-Order
∆∑
Modulator
5th-Order
∆∑
Modulator
PCM1801
(+)
(–)
Single-Ended-
to-Differential
Converter
Single-Ended-
to-Differential
Converter