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GRUNDIG Service
Chassisplatte – Hauptschaltplan / Chassis Board – Main Circuit Diagram
ZA1190-14
STAND_BY
R336
33k
C330
220n/16V
R314
R_OUT
C329
R337
220R
2.2n
??
R315
D301
100R
1N4148
C331
R316
47u/16V
10k
C332
R317
2.2n
L_OUT
C333
220n/16V
220R
R338
??
5V
R318
1.5k
R319
T301
BC848B
R320
6.8k
MUTE
10k
R321
10k
C336
100n/25V
C337
1000u/25V
R322
1u/100V
15k
R323
5V
5
33k
MUTE
T302
BC848B
7
R324
IN+ L
C338
15k
1u/100V
9
R325
T303
GND
15k
BC848B
11
IN+ R
C339
C340
R326
2.2n
SUB_OUT
220R
1u/100V
C341
100n/25V
+15V
C328
C327
R313
100n/25V
3.3k
1500u/25V
4
1
IN1
OUT1+
X302
2
OUT1-
7
ST_BY
9
5
S_GND
NC
10
IC303
NC
12
11
IN2
TDA7297
NC
6
15
SPEAKER
MUTE
OUT2+
8
14
PW_GND
OUT2-
X604
HS301
AUDIO HEATSINK
1
2
C334
3
1u/100V
KABLO 3_B
TILT
+15V
OPTION SUBWOOFER
C335
R327
4
OUT_L
R328
4.7R 1W
C343
18k
R329
100n/63V
IC304
8
IN- L
470R
TDA7265
2
OUT_R
X303
R330
R331
18k
4.7R 1W
10
IN- R
C344
R332
100n/63V
470R
SUBWOOFER
-15V
C342
1000u/25V
CVBS_TUN1
CVBS_PIP
4
SC1_VID_IN
3
2
SC1_VID_OUT
1
SC1_F_BLANK
SC1_R_IN
SC1_G_IN
STATUS1
SC1_B_IN
-15V
C_IN
Y_IN
SC2_VID_IN
SC2_VID_OUT
STATUS2
SC3_VID_OUT
2
SC3_F_BLANK
1
SC3_R_IN
SC3_G_IN
STATUS3
SC3_B_IN
3.3V
5V
12V
X205
1
11
E/W_DRV
3.3V_STB
2
12
H_DRIVE
3
13
FLY_BACK
4
PROT.
14
V_DRIVE(+)
5
MUTE
15
V_DRIVE(-)
6
DEGAUSS
16
V_PROT
7
STAND_BY
CONTROL
MSP_RESET
X207
6
SCL_EE
SCL_EE
5
SDA_EE
SDA_EE
4
SCL_3.3
SCL_3.3
3
SDA_3.3
SDA_3.3
2
SERVICE
SERVICE
1
5V
SERVICE
R266
4.7k
3.3V
R267
D201
1N4148
4.7k
T204
BC848B
5V
R268
4.7k
3.3V
R269
D202
1N4148
4.7k
T205
BC848B
20
18
X203
1
2
3
4
5
6
7
S1VI
8
9
S1VO
10
11
12
13
R270
14
0R
15
S1RGB
R272
16
0R
17
18
19
20
S2VI
21
22
S2VO
23
24
S3VO
25
26
S3RGB
27
28
29
30
SIGNAL
X204
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
POWER
SDA
19
SCL
20
Chassis 22.2
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