Werbung
GRUNDIG Service
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of the PCBs
Blockschaltplan / Block Diagram
Tuner_In L/R
U4
70/76
69/77
L/R
71/75
50/45
S-L/R
48
Center
FAV In
47
Woofer
1/65
Tape In
1/65
33 / 36
HP_OUT L/R
AUX In
IC403
68/78
DVD-In
20
Center
57/79
VCR-In
24
SL
RLY5
+12V
26
FR
23
SR
80/66
TV-In
27
FL
3/6
19
SW
2/7
VCR-Out
4/5
7/59
+12V
16
IC302/R
RLY4
6/60
TV-Out
9
IC302/L
5/61
Tape Out
FAV-In L/R
13
CN 6
CN 5
74/72
Front-
IC203
54/58
AV Board
25
26
27
+12V
FAV-In V
DVD-In V
VCR-In V
RLY3
+12V
4
2
TV-In V
3
6
7
VCR-Out V
5
TV-Out V
4052-B
4052-A
+12V
+5VA
5.1-In V
Y-TV
6dB
5.1-In Y/C
Y
DVD In
Y-VCR
VCR In
6dB
YC
+12V
C
TV In
C-TV
4
2
3
IC1
VCR Out
7
6
C-VCR
5
TV-Out
S-VHS Board
RLY1...2
Y / C
VCR Out To Relay
Y / C
R/L Out
IF-Amplifier &
Stereo
IC01
Stereo-Decoder
Tuned
CLK1
U/Tun
DATA Out
Syntisizer
IC02
DATA In
f osc.
CE
RDS Data
RDS-Decoder
IC03
RDS Clk
Front Panel
CN81
CP 4
CN4
FAN 1
5_1 In
CN82
Head Phone
FAN 2
6.3 mm
HP - IN
IC404
IC3
CN 33
A GND
Center
IC402
SL
FR
SR
FL
IC401
Sub-Woofer
Sub-Woofer
J8
F-R
26
–
–
U8
F-L
27
–
–
Limit +
1/2 U6
19
(from
+
IC301
Power-Supply)
Limit –
IC2
+
23
SUB-W
+
U7
S-R
24
S-L
Center
1/2 U6
20
U9
CN 4
CN 3
Dig IN L/R
5
8
ADC IN L/R
13
14
+5VA
-12V
+12V
+2V5
+3V3
-12V
13
+10V
OPT-IN
+B
+B
12
COAX 1
Protection
HP-IN
4
COAX 2
+10V
CN 9
Q701
CP 9
CP 8
+5VD
Front Panel
CP 7
CPU VCC
+12V
Q22
Q16
C74
Q21
NTC
Q17
Q18
C73
CN80
-12V
Dolby Digital Board
U10
4
RD
2
SDIN3
AUDATA 2
41
5
WR
U1
3
SDIN2
AUDATA 1
40
ENAD D0...D7
4
SDIN1
AUDATA 0
39
8...17
ADR A0...A14
11
MCU-CLK
7
12
MCU-CDIN
6
18
13
4360-CS
11
U12
8 x D-FF
7
ADR A0...A7
10
U2
4
MCLK
44
11
U11
8 x D-FF
U5
2
SCLK
43
ADR A8...A14
3
LRCK
42
Stereo-DA
Converter
1
XMT958
3
24Bit / 96kHz
SDATAN2
27
31
AC-3, DTS, MPEG,
3
SDATAN1
22
(analog) Dolby Surround,
U4
7
18
30
virtuell Surround etc.
Stereo-AD
4
Converter
36
19
20
4360/
24Bit, 96kHz
5333-RST
16
21
12.288MHZ
28
U14
27
2
96kHz
16
Digital Audio
Interface
17
10
U2
18
SDATAN1
3
8415-EMPH
9
D-CDOUT
1
8415 RST
U3
CP 1
CP 2
D711
Q4
CPU VCC
Q2
Q3
+
IC 701
System Controller
IC702
KEY1
KEY2
KEY3
I2C
NVM
S1
S2
+5VD
2 - 1
Center
SL
SR
FR
J1
A GND
CP32
Center
SL
FR
SR
FL
feed back
CP 30
CN 30
Thermal Protect
Protection
+5VD
+10V
+12V
–5VA
–12V
+5V
see
Front Panel
7812
7912
7805
+10V
5
Power Down
7
Q2
CP22A
4
Q1
CP22C
2
FL-B
C4
3
FL-A
1
-30V
VFD1
CN23
T101
T1
7
IR1
Q101
6
Standby
8
Ohm-SW
CP 10
CN 10
Main Board
CINIO AVR 5200 DD
P GND
FL
J2
+B/ +35V (4Ω) / +41V (8Ω)
–B/ –35V (4Ω) / –41V (8Ω)
+3V3
+2V5
317
317
–B
+B
P GND
Q302
Q301
Q300
P GND
CN20
Q301
CP20
CP20
CP20
+10V
RLY 1
RLY 2
6
4
RLY 101
+10V
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