Inhaltsverzeichnis
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GRUNDIG Service
ZX8.190 - Hauptteil / Main Part
24 25
26
27
12VReg
X401
CRT
T401
BC858B
C402
330p
R427
270R
R424
33R
T403
BC858B
C403
330p
R428
270R
R425
33R
C401
T402
330p
BC858B
R426
33R
5V
R431
C405
C404
270R
1n
1n
C431
0R
18
TILT
19
R459
100R
4
SDA
5
SCL
R464
100R
C453
C452
22p
22p
3.3V_STB
5V
X404
1
2
3
5V
18
R439
4.7k
STB
3.3V_STB
3.3V_STB
SDA
T406
BC848B
3.3V
R436
R437
R438
D404
4.7k
4.7k
4.7k
1N4148
R440
4.7k
C424
10p
J436
STATUS_3
C417
R433
3.3k
10n
STATUS_2
C418
R434
C421
10n
3.3k
100p
STATUS_1
C419
R435
10n
3.3k
76
0R
47
X403
KEYBOARD MODULE
X405
CON3
Components designated by the safety symbol should only be replaced by original parts produced and proofed by the manufacturer.
Sicherheitsbautelle im Sinn der Sicherheit s bestimmung. Diese Teile durfen nur durch Originalteile ersetzt werden.
R483
R484
Contrassegno di sicurezza. I componenti devono, corrispondere a ricambi originali e devono essere montati a regola díarte.
0R
0R
3.3V_STB
≤
∞
IC301
AN5277
8V
C339
C300
R309
100n
C301
47n
1.8k
R303
R313
56K
1u/25V
R304
T301
10k
C337
1k
C303
BC858B
1n/35V
1n
C313
100u/ 3 5V
8V
R310
C340
1.8k
100n
R305
C302
R314
56K
1u/25V
R306
C314
1k
T302
10k
1n/35V
C305
BC858B
1n
MUTE_L
X407
C432
1
470R
2
3
4
CON4A
5V
IC450
VDD
MAX536X
*
SDA
Mode: z.B. Taste "P+"
1
OUT
e.g. button "P+"
SCL
GND
R465
10K
(
Mode: z.B. Taste "P+"
e.g. button "P+"
5V
19
R441
4.7k
SCL
T407
3.3V
R442
4.7k
BC848B
C425
10p
3.3V_STB
L405
R461
4.7uH
1.5k
C435
R460
C420
47n
1.5k
10u/16V
C426
10p
R412
100R
R413
100R
C427
10p
R414
R415
IC401
100R
100R
24C16
X406
CON4
SERVI CE
§
≥
R307
10k
C326
R320
4.7k
1.5n/50V
1000u/ 3 5V
C321
10u/
16V
28V
R321
22k
T307
R311
BC848B
10k
R339
4.7k
R308
8V'
10k
R315
1k
C309
1n
8V'
R316
1k
C310
1n
8V
R340
1.8K
R341
10K
T312
BC858B
C341
R342
10n
2.2K
3.3V_STB
28V
R334
R333
22K 1/4W
T353
10K
BC848B
R327
0R
R337
22k
100u/ 2 5V
R326
T311
T310
BC848B
47K
BC848B
C353
2.2u/16V
KEYBOARD MODULE
VS
OUT
GND
KEYBOARD
R901
1
150R
2
3
4
VOL+
PR+
5
VOL-
6
PR-
7
X901
3 - 5
X301
C317
1
1000u/ 3 5V
Le ft
2
C320
C307
28V
C327
3
100n
1n/35V
1.5n/50V
Right
R312
4
R319
2.2K 1/2W
C316
4,7R 1/2W
HS301
AUDIO HEATSINK
C315
1000u/ 3 5V
C318
R328
100n
2.2K 1/4W
R318
4.7R 1/2W
8V'
L301
10uH
C322
R322
C323
R324
C338
3.3k
47n
330R
10n
100u/ 1 6V
T304
BC858B
C324
T303
100u/ 1 6V
BC858B
C311
1n
C312
1n
8V'
C325
100u/ 1 6V
R323
R325
330R
3.3k
T306
BC858B
T305
BC858B
IC302
TDA2040
C304
2.2u/25V
1
NON-INV IN.
2
INV INPUT
C330
R336
3
22u/25V
22k
-Vs
4
OUTPUT
5
+VS
R335
R338
22k
680R
28V
C331
C306
22n
D301
C332
1N4001
100n /35V
1000u/ 3 5V
C334
R317
1500u/ 3 5V
D302
4.7R
1N4001
C333
100n /35V
IC901
IR
R902
C901
150R
10u/10V
D901
LED
R904
R903
470R
270R
STANDBY
29" ONLY
Chassis C7/C8
8V
X302
1
Right
2
3
Left
HEADPHONE
C335
X303
1
2
C336
10n/35V
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