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GRUNDIG Service
Chassisplatte – Hauptschaltplan / Chassis Board – Main Circuit Diagram
ZA9190-05
STAND_BY
R336
33k
C330
220n/ 1 6V
R314
R_
OUT
R337
220R
??
R315
D301
100R
1N4148
C331
R316
47u/16V
10k
R317
L_OUT
C333
220n/ 1 6V
220R
R338
??
5V
R318
1.5k
R319
T301
BC848B
R320
6.8k
MUTE
10k
R321
10k
C336
100n/ 2 5V
C337
R322
1u/100V
15k
R323
5V
5
33k
T302
BC848B
7
R324
C338
15k
1u/100V
9
R325
T303
15k
BC848B
11
C339
C340
R326
2.2n
Subwoofer
220R
1u/100V
C341
100n/ 2 5V
+15V
C328
C327
R313
100n/ 2 5V
3.3k
1500u/ 2 5V
4
1
IN1
OUT1+
C329
2.2n
2
OUT1-
7
ST_BY
9
5
S_GND
NC
10
IC303
NC
12
11
IN2
NC
TDA7297
C332
2.2n
6
15
MUTE
OUT2+
8
14
PW_GND
OUT2-
HS301
AUDI O HEATSINK
C334
1u/100V
KABLO 3_B
+15V
OPTION SUBWOOFER
C335
1000u/ 2 5V
R327
4
MUTE
OUT_L
R328
4.7R1W
18k
R329
IC304
8
IN+ L
IN- L
470R
TDA7265
2
GND
OUT_R
R330
R331
18k
10
4.7R1W
IN+ R
IN- R
C344
R332
100n/ 6 3V
470R
-15V
C342
1000u/ 2 5V
18
CVBS_TUN1
CVBS_PIP
X302
4
SC1_VID_IN
3
2
SC1_VID_OUT
1
SPEAKER
SC1_F _BLANK
SC1_R _IN
SC1_G _IN
X604
1
STATUS1
2
SC1_B_IN
3
-15V
C_IN
TILT
Y_IN
SC2_VID_IN
SC2_VID_OUT
STATUS2
C343
100n/ 6 3V
SC3_VID_OUT
X303
2
SC3_F _BLANK
1
SC3_R _IN
SC3_G _IN
SUBWOOF ER
STATUS3
SC3_B_IN
X205
1
11
E/W_DRV
2
12
H_DRIVE
3
13
FLY_BACK
4
PR OT.
14
V_DRIVE(+)
5
MUTE
15
V_DRIVE(-)
6
DEGAUSS
16
V_PROT
7
STAND_BY
MSP_ RESET
CONTROL
X207
6
SC L_EE
SC L_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
R267
D201
1N4148
T204
BC848B
5V
R268
4.7k
R269
D202
1N4148
T205
BC848B
30
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
3.3V
X204
1
2
5V
3
4
12V
5
6
3.3V_S TB
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PO WER
SDA
3.3V
19
4.7k
SC L
3.3V
20
4.7k
Chassis 22.2
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