Scaler - Grundig Toronto 32-7830 T Service Manual

GRUNDIG Service
Hauptplatte / Main Board – Scaler
+3.3V
VDDP
R110
10K
#RESET
C101
R103
T100
R109
BC847B
0.1uF *
47K
GND
GND
RESET
2
RESET
R127 100R
C117 20pf
IC101
R128
MAX810S
X100
GND 1M
14.318MHZ
C118
GND
20pf
266
EXTP AD GND
GND
AVDD_DVI 1
TXCLK- DVI_CKN
2
TXCLK+ DVI_CKP
4
TX0- DVIRX0N
5
TX0+ DVIRX0P
7
TX1- DVIRX1N
R126 8
TX1+ DVIRX1P
390R 10
TX2- DVIRX2N
11
TX2+ DVIRX2P
13
REXT
14
SDA_HD DDCD_SDA
C114 0.1uF 15
SCL_HD DDCD_SCL
18
RMID
C115
0.1uF 19
VCLP
20
REFP
GND
21
REFM
16
0.1uF HS_RGB HSYNC1/FSSW1
C150
17
VS_RGB VSYNC1/FBLK1
22
BIN+ BIN1P
23
0.1uF
C149
BIN- BIN1M
24
GND SOG SOGIN1
25
GIN+ GIN1P
26
GIN- GIN1M
27
RIN+ RIN1P
28
RIN- RIN1M
29
SCB- BIN0M
30
SCB+ BIN0P
31
SCG- GIN0M
C116
SCART INPUT 32
SCG+ GIN0P
33
SC_CVBS1
SC_CVBS1 SOGIN0
34
SCR- RIN0M
1nF 35
SCR+ RIN0P
38
SC1_MODE HSYNC0/FSSW0
39
SC1_FSW VSYNC0/FBLK0
40
VSYNC2/FBLK2
41
PB+ BIN2P
42
PB- BIN2M
43
SOY SOGIN2/FSSW2
44
Y+ GIN2P
45
Y- GIN2M
46
PR+ RIN2P
47
PR- RIN2M
48
SC_Chroma C1/CVBS7
49
SC_CVBS2 Y1/CVBS5
50
SV_C0 C0/CVBS6
51
SV_Y0 Y0/CVBS4
52
VCOM2 VCOM2
53
SC_CVBS1 CVBS3
54
DVB_CVBS CVBS2
55
CVBS1 CVBS1
10
56
VCOM1 VCOM1
57
TUNER_CVBS CVBS0
58
VCOM0 VCOM0
+3.3V 59
CVBSO
151
R199
GPIOC0
AD0/GPIOC0
152
4K7
GPIOC1
AD1/GPIOC1
153
470R R198
ABNORMAL
AD2/GPIOC2
R252 470R 154
DVB_COMMPORT
AD3/GPIOC3
155
ON_PANEL
ON_PANEL AD4/GPIOC4
156
ON_PBACK
ON_PBACK AD5/GPIOC5
157
HPDCTRL
HPDCTRL AD6/GPIOC6
158
GPIOC5
AD7/GPIOC7
88
FLSHWEZ/VDO0
89
FLSHOEZ/VDO1
90
FLSHA0/VDO2
91
FLSHA1/VDO3
92
FLSHA2/VDO4
93
FLSHA3/VDO5
94
FLSHA4/VDO6
95
FLSHA5/VDO7
96
FLSHA6/VDCLK
3 4
R159 22R
I2C_SDA
R160 22R
I2C_SCL
R161 22R
TXD
TXD
R162 22R
RXD
RXD
KEY_AD1
KEY_AD2/OPT
SC2_MODE
SC2_MODE
R163
+3.3V
R164
GND
+3.3V +3.3V
C133
0.1uF
IC104
R157
1 8
A0 VCC
2 7
4K7
A1 WP
GND
3 6
A2 SCL
4 5
GND SDA
M24C32
GND
25
2
AVDD_AU
AVDD_SIF
AVDD_MemPLL
VDDM VDDP AVDD_MPLL VDDC
AVDD_DVI
AVDDA
MST66889BLD
power on (trigger: +3.3V)
2
4
IR_SYNC
PWM3
GND
PWM2
PWM1
PWM0
PWM0
4K7*
Mode Selection
4K7*
+3.3V +3.3V
R165 R167
10K 10K/NC
PWM0 PWM1 PWM1
R158
R166 R168
3
4K7
10K /NC 10K
I2C_SCL
I2C_SDA
GND GND
4
DI15/GPIOA15
DI14/AISD3/GPIOA14
DI13/AISD2/GPIOA13
DI12/AISD1/GPIOA12
DI11/AISD/GPIOA11
DI10/AISCK/GPIOA10
DI09/AIWS/GPIOA9
DI08/SPDIF_IN/GPIOA8
IC102
DIO7/GPIOA7
DI05/AUSD0/GPIOA5
DI04/AUSCK/GPIOA4
DI03/AUWS/GPIOA3
DI02/AUMUTE/GPIOA2
DI01/AUMCKO/GPIOA1
DI00/SPDIFO/GPIOA0
IVSYNC/UATX1
IHSYNC/UARX1
GPIOE[0]/LVSYNC
GPIOE[1]/LHSYNC
GPIOE[2]/LDE
GPIOE[3]/LCK
0
power on (trigger: +3.3V)
∞
+3.3V +3.3V
R169 R171
10K/NC 10K
PWM2 PWM2 PWM3
R170 R172
10K 10K/NC
R173 100
GPIOC5
GND GND
2 - 34
Chassis BL (LX prime IDTV)
AUOutS
AUOutS
AUOutR
AUOutR
AUOutL
AUOutL
AUOutR1
AUOutR1
AUOutL1
AUOutL1
AUOutR2
AUOutR2
AUOutL2
AUOutL2
AUMONO
AUMONO
AUR3
AUR3
AUL3
AUL3
AUR2
AUR2
C119
AUL2
AUL2
AUCOM
AUR1
AUR1
0.1uF GND
AUL1
AUL1
AUR0
AUR0
AUL0
AUL0
AUVREF
C121
AUVRADP
C120
0.1uF
SIFP0
SIFP0
10uF/25V
SIFM0
SIFM0
251
SPDIF_OUT
SPDIF_OUT
250
249
248
247
AISD
246
AISCK
245
AIWS
244
SPDIF_IN
241
ITU656_7
240
ITU656_6
DI06/GPIOA6
239
ITU656_5
238
ITU656_4
236
ITU656_3
235
ITU656_2
234
ITU656_1
233
ITU656_0
232
231
230
IDE/UATX0
229
ITU_CLK
ICLK/UARX0
228
DCR_ON
227
226
PANEL INTERFACE
225
222 R121 47R
RXO0-/RA7
LB0M/RA7 1 2 RXO0-/RA7
221
RXO0+/RA6
LB0P/RA6 3 4 RXO0+/RA6
220
RXO1-/RA5
LB1M/RA5 5 6 RXO1-/RA5
219
RXO1+/RA4
LB1P/RA4 7 8 RXO1+/RA4
218 R132 47R
RXO2-/RA3
LB2M/RA3 1 2 RXO2-/RA3
217
RXO2+/RA2
LB2P/RA2 3 4 RXO2+/RA2
216
RXOC-/RA1
LBCKM/RA1 5 6 RXOC-/RA1
215
RXOC+/RA0
LBCKP/RA0 7 8 RXOC+/RA0
214
RXO3-/GA7
LB3M/GA7 RXO3-/GA7
213 47R
R130
RXO3+/GA6
LB3P/GA6 RXO3+/GA6
212 47R
R131
NC/GA5
211
NC/GA4
208 R147 68R
RXE0-/GA3
LA0M/GA3 1 2 RXE0-/GA3
207
RXE0+/GA2
LA0P/GA2 3 4 RXE0+/GA2
206
RXE1-/GA1
LA1M/GA1 5 6 RXE1-/GA1
205
RXE1+/GA0
LA1P/GA0 7 8 RXE1+/GA0
204 R148 68R
RXE2-/BA7
LA2M/BA7 1 2 RXE2-/BA7
203
RXE2+/BA6
LA2P/BA6 3 4 RXE2+/BA6
202
RXEC-/BA5
LACKM/BA5 5 6 RXEC-/BA5
201
RXEC+/BA4
LACKP/BA4 7 8 RXEC+/BA4
200 R145 22R
RXE3-/BA3
LA3M/BA3 RXE3-/BA3
199
RXE3+/BA2
LA3P/BA2 RXE3+/BA2
198
R146 68R
NC/BA1
197
NC/BA0
121
MDATA0
MD0
120
MDATA1
MD1
119
MDATA2
MD2
118
MDATA3
MD3
116
MDATA4
MD4
115
MDATA5
MD5
114
MDATA6
MD6
113
MDATA7
MD7
110
MDATA8
MD8
109
MDATA9
MD9
108
MDATA10
MD10
107
MDATA11 Memory INTERFACE
MD11
105
MDATA12
MD12
104
MDATA13
MD13
MDATA[0..15]
102
MDATA14
MD14 MDATA[0..15]
101
MDATA15
MD15
127
L106 22R
MCLK
MCLK
126
L107 22R MCLKZ
MCLKZ
125
CKE
MCLKE
124
MVREF
MVREF
123
DQM
DQM
122
DQS0
DQS0
100
DQS1
DQS1
130
RASZ
RASZ
134
CASZ
CASZ
135
WEZ
WEZ
128
BA1
BADR1
129
BA0
BADR0
150
MADR11 MADR[0..11]
MA11 MADR[0..11]
149
MADR10
MA10
148
MADR9
MA9
147
MADR8
MA8
143
MADR7
MA7
142
MADR6
MA6
141
MADR5
MA5
140
MADR4
MA4
139
MADR3
MA3
138
MADR2
MA2
137
MADR1
MA1
136
MADR0
MA0
+3.3V
R174
R175
4K7
4K7
IC704
OPTIONAL
1 8
CE# VDD
2 7
SO HOLD#
3 6
WP# SCK
4 5
VSS SI
M25P40
+3.3V
IC105
1 8
R176 CE# VDD
10K
2 7
SO HOLD#
3 6
SPI-/WP
WP# SCK
R177
4 5
VSS SI
NC
GND
M25P40
C122 C123
4.7uF
1uF
GND
+3.3V
C134
0.1uF
GND
R178 100R
SPI_DO
2 1
SPI_CZ
4 3
SPI_DI
6 5
SPI_CK
8 7