Grundig GDR 5550 HDD, Service Manual

Page: 27 / 41

Hauptplatte / Main Board – Interface
RESET CIRCUITRY
FRONT PANEL CONNECTOR
FRONT PANEL INTERFACE
D_HO ST
D_FM
FP_S CLK
RDY_ FM
ATN_ FM
/FP_ RST
or
MAX8 09L
STM809 lWX6F
IDC Voltage Conversion
1 S G 2
3 D
BSS138
SOT-23
G_Link Connector to G_Link Board
RS232
Connector
Or ST
2N70 02
Or ST
2N70 02
onse mi
onse mi
A/V I/O Connector
TO AVIO BOARD
(Fast switch input source
between RGB andCVBS/YC)
(MUT E)
BTSC and AUDIO RESET
(Ain_Sel1)
(Ain_Sel0)
To AVIO Board
IRRX
/R ST _ HO ST
F P_ G ND
F P_ P4
F P_ P1
F P_ P8
F P_ P5
F P_ P3
F P_ P2
F P_ IR
SC L_5V SCL
SDA
SC L_5V
SD A_5V
IR _ O UT _ C HAS
G L INK_ T XD
G L INK_ R XD
/R ST _ HO ST
/SYS _ R ST
SD A_5V
-12V
+ 5 VS TB
AUD IO _L
+ 5V
AUD IO _R
SD A_5V
+ 3 .3V
SC L_5V
M UTE
E5_ G PIO0
E5_ G PIO x42
E5_ G PIO x41
E5_ G PIO x24
E5_ G PIO x25
SCL
SDA
E5_ IR T X1
E5_ UAR T 1 _TX
E5_ UAR T 1_ RX
/SYS _ R ST
E5_ UAR T 2_ RX
E5_ UAR T 2 _TX
Pr/R _ O ut
C VBS _ O ut
Y/G _ IN
Pb /B_ O ut
VI_ G PIO _ C9
C VBS _ IN
Y_ O ut
VI_ F SS
VI_ G PIO _ C5
AUD IO _R
R _ C _ IN
T V_ C VBS _ IN
C _ O ut
AUD IO _L
VI_ G PIO _ C6
Pb /B_ IN
Y/G _ O ut
VI_ G PIO _ C0
Pr/R _ IN
R _ Y_ IN
E5_ SP I_ C LK
AI_ F SY NC
E5_ G PIO3
AI_ SC LK
AO _ D2
AO _ D0
AI_ M C L KO
AO _ SC LK
E5_ G PIO x34
AO _ F SY NC
AI_ D0
E5_ G PIO5
AO _ IEC 958
E5_ SP I_ M ISO
E5_ SP I_ M O SI
AO _ D1
AO _ D3
E5_ SP I_ C S2
AO _ M C L KO
E5_ G PIO4
E5_ SIO _ IRRX
G ND
VCC
G ND
V33
V33
V33
VCC
VCC
V33
G ND G ND
VCC
VCC
-12V + 5 VS TB + 12V
G ND
V5 CO NN
G ND
G ND
V33
V33
V33
G ND
V33
F B18 BK 1608 HM 1 21-T
R 218
10K
F B12 9 BK 1608 HM 6 01-T
F B3 0 BK 1608 HM 1 21-T
F B13 0 BK 1608 HM 6 01-T
R 219
10K
D NS-CO N5 X2
1
3
5
7
9
2
4
6
8
10
+
+
+
+
+
+
+
+
+
+
S
D
G
Q6
BSS 138 LT1
2
1
3
R 548
0
F B117 BK 1608 HM 1 21-T
J18
D NS-PH5 /2 MM
1
2
3
4
5
F B45 BK 1608 HM 6 01-T
F B14
BK 1608 HM 6 01-T
C 346
0 .1 UF
F B3 7 BK 1608 HM 1 21-T
U21
T PS 3809 I50
1
2
3
G ND
R ST
VDD
R 38
D NS-10K
JP5
HEA D ER 22 X2(2 .0 MM ) C AB L E W IRE
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
F B2 2 BK 1608 HM 6 01-T
F B116 BK 1608 HM 1 21-T
F B1 9 BK 1608 HM 6 01-T
F B7
BK 1608 HM 6 01-T
R
10
1
2.
2K
F B2 8 BK 1608 HM 1 21-T
F B8
BK 1608 HM 6 01-T
D 9 IN4148
1 2
R
10
0
2.
2K
R 53 5 D NS-0
F B46 BK 1608 HM 6 01-T
R 53 6 D NS-0
F B3 2 BK 1608 HM 6 01-T
F B3 6 BK 1608 HM 1 21-T
J4
PH8 /2 MM
2 MM PIT CH
PH8- TH
1
2
3
4
5
6
7
8
R 217
4 .7K
F B2 9 BK 1608 HM 1 21-T
F B9
BK 1608 HM 6 01-T
F B60
BK 1608 HM 6 01-T
R 216
220
F B2 1 BK 1608 HM 6 01-T
F B10
BK 1608 HM 6 01-T
R 360
0
JP2
CR 20321 VB
1
2
+ 3V
G ND
F B2 0 BK 1608 HM 6 01-T
F B3 8 BK 1608 HM 1 21-T
F B118 BK 1608 HM 1 21-T
F B11
BK 1608 HM 6 01-T
R 35 5 1K
F B3 5 BK 1608 HM 1 21-T
R 528
10K
R
55
4
4.
7K
R
55
5
4.
7K
F B15 BK 1608 HM 1 21-T
F B3 9 F BM J2125 HS420 -T
C 436
0 .01 UF
F B4 1 BK 1608 HM 6 01-T
F B13
BK 1608 HM 6 01-T
C 253
0 .1 UF
R 547
0
R 53 0 0
R 53 1 0
F B1 2 BK 1608 HM 1 21-T
F B107 BK 1608 HM 1 21-T
F B2 6 BK 1608 HM 1 21-T
F B108 BK 1608 HM 1 21-T
F B2 5 BK 1608 HM 1 21-T
F B109 BK 1608 HM 1 21-T
R 44
10K
F B18 7 D NS-BK 1608 HM 121 -T
F B16 BK 1608 HM 1 21-T
F B136 BK 1608 HM 6 01-T
F B2 4 BK 1608 HM 1 21-T
F B110 BK 1608 HM 1 21-T
F B2 7 BK 1608 HM 1 21-T
P4
28 PIN 1 .0 MM FFC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
F B111 BK 1608 HM 1 21-T
F B112 BK 1608 HM 1 21-T
F B3 1 BK 1608 HM 6 01-T
F B18 8 D NS-BK 1608 HM 121 -T
F B18 9 D NSBK 1608 HM 121 -T
F B4 2 BK 1608 HM 6 01-T
S
D
G
Q7
BSS 138 LT1
2
1
3
F B17 BK 1608 HM 1 21-T
13
5
9
11
10
12
14 15 16 17
21
20
19
18
22
24
23
26
12
11
32
27
18
29
28
25
5
6
5
connect mains plug (trigger: VCC)
6
connect mains plug (trigger: VCC)
6
power on (trigger: VCC)
7
Power on (trigger: VCC)
9 0
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GR
UNDIG Ser
vice
GDR 5550 HDD
2 -