Grundig Cinaro 26 Service Manual page 37

Hauptplatte / Main Board – VCT
+3.3V_MAIN
R503 *
IC328
1
NC0
2
0 RA303
NC1
2 1
3
VCT_ADB0 A0
A0
4 3 4
VCT_ADB1 A1
A1
6 5 5
VCT_ADB2 A2
A2
8 7 6
VCT_ADB3 A3
A3
2 1 7
VCT_ADB4 A4
A4
4 3 8
VCT_CS CS
CS
+3.3V_MAIN R653 6 5 9
VCT_DB0 D0
I/O1
47K 8 7 10
VCT_DB1 D1
I/O2
0 11
VCC0
R353 RA300 12
SRAM_WRQ
VSS0
0 13
RA304 D2
I/O3
2 1 14
VCT_DB2
I/O4
4 3 15
VCT_DB3 D3
WE
6 5
16
VCT_ADB5 A5
A5
8 7 17
VCT_ADB6 A6
A6
2 0 1 18
VCT_ADB7 A7
A7
4 3 19
VCT_ADB8 A8
A8
6 5 20
VCT_ADB9 A9
A9
8 7 21
VCT_ADB10
NC2
22
RA305 0
NC3
GND K6R4008V1D
S302
1 2
VCT_ADB19
A20 A19
3 4
VCT_ADB18
A21 A18
5 6
VCT_ADB17
A22 A17
7 8
VCT_ADB16
A23 A16
9 10
VCT_ADB0 VCT_DB0
A0 D0
11 12
VCT_ADB1 VCT_DB1
A1 D1
13 14
VCT_ADB2 VCT_DB2
A2 D2
15 16
VCT_ADB3 VCT_DB3
A3 D3
17 18
VCT_ADB4 VCT_DB4
A4 D4
19 20
VCT_ADB5 VCT_DB5
A5 D5
21 22
VCT_ADB6 VCT_DB6
A6 D6
23 24
VCT_ADB7 VCT_DB7
A7 D7
25 26
VCT_ADB8
+3.3V_MAIN VCC A8
27 28
VCT_ADB9
VCC A9
C357
29 30
VCT_ADB10
GND A10
100n
31 32
VCT_ADB11
GND A11
33 34
VCT_ADB12
GND A12
R524 R526
35 36
VCT_ADB13
GND A13
37 38 *
VCT_ADB14
GND A14
39 40
VCT_ADB15
A15
GND
41 42
GND PSEN-T
43 44
GND PSEN-P
45 46
GND P3.7-T
47 48
GND P3.7-P
49 50
GND P3.6-T
51 52
GND P3.6-P
54
53
GND RST-T
55 56
VCT_RSTQ
GND RST-P R525
57 58
VCT_ALE
GND AL E
59 60
GND RST-out *
ONLY FOR MSTAR
CN102
GND
+3.3V_MICOM
C513
IC325 +3.3V_MAIN
0.1uF
7 14 R357 10k
VSS VDD
GND
1 13
KEY_AD1 IN 1 CNTL 1
2
OUT 1 VCT_KEY1
4 5
IRRCVR IN 2 CNTL 2
3
OUT 2 VCT_IR
8 6
™
IN 3 CNTL 3
9
OUT 3
11 12
IN 4 CNTL 4
10
OUT 4
GND GND
CD4066
( ) ¡
+3.3V_MICOM
C374
IC323 0.1uF R542
1 8 R543
C514
A0 VCC
2 7
0.1uF
A1 WP
3 6 R358
A2 SCL
4 5 R359
VSS SDA
C520
44
NC4
43 GND
GND 24LC32B GND
NC5
42 0.1uF
NC6
41 R426 *
A18
40 R354 0
VCT_ADB18
A17
39 2 1
A17 VCT_ADB17
A16
38 4 3
A16 VCT_ADB16
A15
37 6 5
VCT_DB7
OE
36 8 7
D7 VCT_DB6
I/O8
35
D6
I/O7
34 0 RA313
SRAM_RDQ
VSS1
33
VCC1
32 R355 0
D5 VCT_DB5
I/O6
31
D4 VCT_DB4
I/O5
30 2 1
A14 VCT_ADB14
A14
4 3 R356 0
29
A13 VCT_ADB13
A13
28 6 5
A12 VCT_ADB12
A12
27 8 7
A11 VCT_ADB11
A11
26
A10
A10
25 0 RA312
NC7
24
NC8
23
NC9
C523
GND
C375
4.7uF /16V
0.1uF
1
GND BOUT
2
VRD
R577 1K 3
XREF
4
VSUP3.3BE VSUP3.3BE
5
GND2
6
GND3
7
VSUP3.3IO VSUP3.3IO
8
VSUP3.3DAC VSUP3.3DAC
9
GNDDAC
10
FRC_V SAFETY
11
FRC_H HFLB
12
HOUT
13
VPROT
14
VCT_ADB11
ADB11
15
VCT_ADB9
ADB9
16
VCT_ADB8
ADB8
17
VCT_ADB13
ADB13
18
VCT_ADB14
ADB14
19
VCT_ADB17
ADB17
20
VCT_PSWEQ
PSWEQ
21
VCT_ADB18
ADB18
R527
22
VCT_ADB16
ADB16
* ONLY FOR
23
VCT_ADB15
ADB15
MICRONAS
R440 0 24
VCT_CS
STOP Q
EMULATOR
R380 * 25
ENEQ
26
VCT_PSENQ VCT_ADB12
ADB12
27
VCT_ADB7
ADB7
GND 28
RDQ_JACK VCT_ADB6
ADB6
29
VCT_ADB5
ADB5
30
WRQ_JACK VCT_ADB4
ADB4
31
VCT_ADB19
ADB19
32
RDQ_JACK
RDQ
VCT_PSWEQ
33
WRQ_JACK
WRQ
34
OCF
EMULATOR
35
C522 VCT_ALE
AL E
36
VCT_RSTQ
RSTQ
+
10uF /16V
GND
R349
1k
R336
+3.3V_MAIN
1k
22
+3.3V_MAIN
GND
9 10
R544 4.7K
R576 4.7K
R360 100
VCT_SDA
R361 100
VCT_SCL
VCT_RXD
VCT_TXD
R644 0
RD_SCALER
WR_SCALER
R645 0
VCT_KEY1
+3.3V_MAIN
20 21
R498 *
C306
10nF
GND
R369 0
KEY_AD1 VCT_KEY1
IRRCVR VCT_IR
R373 0
4.7K
4.7K
C302 C303
GND
1nF 1nF
100
EEPROM_SCL
* EEP ROM_SCL
100
EEPROM_SDA
EEP ROM_SDA
R579
6.8K
R578 R625
6.8K 6.8K
VSUP5.0BE
PROT
IFIN+ IF IF Sound Audio
HOUT
Frontend Processor Demod. Processor
IFIN-
HFLB
VERT
Comb Color Display
CVBS in
EW
Video Video
Filter Decoder &
YCrCb in Panorama
SVM
Frontend Backend
Deflection
RGB in Component Scaler RGB out
Processor
CVBS out Interface RGB in
SENSE
RSW
Bus Display
Slicer
I2C I2C
Arbiter Generator
Timer
24kB CPU Reset & RESETQ
CRT/PWM
CharROM 8051 TestLogic
ADC/UART TEST
Watchdog
20k BX 256kB Memory RTC
Clock XTAL1
RAM ProgROM Interface
I/O-Ports Generator
XTAL2
Pxy
ADB, DB, PSENQ,
PSWEQ, WRQ, RDQ
R461 R832
24V SENSE
* 0R
R462
*
GND
20 21
VCT_ADB0 VCT_DB0
A0 Q0
19 22
VCT_ADB1 VCT_DB1
A1 Q1
C362 C524
18 23
VCT_ADB2 VCT_DB2
A2 Q2
0.1uF 3.3uF /50V
17 25
VCT_ADB3 VCT_DB3
A3 Q3
16 26
VCT_ADB4 VCT_DB4
A4 Q4
15 27
VCT_ADB5 VCT_DB5
A5 Q5
14 28
VCT_ADB6 VCT_DB6
A6 Q6
LOUD_OUT_L
13 29
VCT_ADB7 VCT_DB7
A7 Q7
LOUD_OUT_R
3
VCT_ADB8
A8
SCART_LOUT1
2
VCT_ADB9
SCART_ROUT1 A9
31 8
VCT_ADB10
A10 VCC
SCART_LOUT2
1
VCT_ADB11
A11
SCART_ROUT2
12
VCT_ADB12
A12
SUBWOOF ER
4 7
VCT_ADB13
A13 WE#
AV_DTV_L
5
VCT_ADB14
A14
AV_DTV_R
11
VCT_ADB15
A15
HDMI -AI N-L
30
10
VCT_ADB16
A16 CS#
HDMI -AI N-R
6
VCT_ADB17
A17
DVB_AI N_L
9
VCT_ADB18
A18
DVB_AI N_R
32
FLASH_PSENQ
OE#
TAGC
24
VSS
IF-
IF+
GND
C376
IC329
0.1uF
EN29LV040_TSOP
VSUP5.0F E
IC324
GND
VCT49XYI
VCT-X1
8
108
RESETQ VCT_RESETQ
107
VSUS5.0F E
106
VSUP5.0F EI VSUP5.0IF
105
VSUP3.3DIG VSUP3.3DIG
104
VCT-X2
GND4
103
GND5
102
VSUP1.8DIG VSUP1.8DIG
101
VCT-X1
XTAL 1
100
VCT-X2
XTAL 2
99
P22 EEP ROM_SCL
98
P23 EEP ROM_SDA
97
VCT_PSENQ
PSENQ
96
VCT_ADB10
ADB10
95
VCT_DB7
DB7
94
VCT_DB6
DB6
93
VCT_DB5
DB5
92
VCT_DB4
DB4
91
VCT_DB3
DB3
90
VCT_DB2
DB2
89
VCT_DB1
DB1
88
VCT_DB0
DB0
87
VCT_ADB0
ADB0
86
VCT_ADB1
ADB1
85
18
VCT_ADB2
ADB2
84
VCT_ADB3
ADB3
83 R375 100
VCT656_CLK
P24/656CL KIO
82
P25/656HI O
81
19
P26/656VI O
80
P30/656I O 0
79 R646 0
P31/656I O 1
78
P32/656I O 2
77
VSUP3.3EIO VSUP3.3EIO
76
C304
GNDEIO
75
22pF
P33/656I O 3
74
P34/656I O 4
73
P35/656I O 5
GND
RA314 33
2 1
VCT6560
4 3
VCT6561
6 5
VCT6562
8 7
VCT6563
2 1
VCT6564
4 3
VCT6565
6 5
VCT6566
8 7
VCT6567
RA315 33
17
R530 100
SCART_F BLNK1
R531 100
SCART_VBIN1
C321 100nF R362 100
SCART_VGIN1
C307 100nF R363 100
SCART_VRIN1
C322 100nF
C316 R364 100
SCART_CI N 2
100nF C323 R365 100
SCART_VIN2
100nF
C324 R367 100
100nF C319 R366 100
C320 100nF R368 100
SCART_VIN1
100nF C325 R374 100
DVB_CVBS
100nF
VCT_CVBS
SCART_VOUT1
SCART_VOUT2
IDTV-SVHS_YIN
IDTV-SVHS_CI N
+3.3V_MAIN
R541
0
power on (trigger: +12V)
8
VCT_PSWEQ
C521
0.1uF
R540
0
GND
switch on (trigger: +3.3V_MAIN)
8
R660
0
27MHz_VCT
C326
22pF
X302
20.25MHz
C327
9
22pF
GND
0
VCT656_CL K
AL E_SCALER
VCT_IR
$
VCT656[0..7]
&
SVHS_CI N
SVHS_YIN
*
14