Grundig TVR 3730 text Serviceanleitung Seite 14

Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Signal-Chassis – Bedieneinheit / Keyboard Control Unit (KSPUx – CO)
Schaltungsänderungen zur Service-Manual-Ergänzung, Sach-Nummer 72010-524.98, Seite 4-47.
Circuit changes to the Supplement, part number 72010-524.98, page 4-47.
12 13 14
5STBY
6801
5801
6u8
BAT85
5V
64
VDD
5,3V
48 38
P71(VD)
P20(INT5/STOP)
4,8V
47 37
P70(HD)
RESET
5,3V
51 36
P30(INT3/RXIN) P67(Y/BL)
52 35
P66(B)
P31(TC3)
2,7V
50 34
P22(XTOUT) P65(G)
1,9V
49 33
P21(XTIN) P64(R)
7801
1,3V
19 43
OSC2
P47(PWM7)
T C O
42
OSC1
TMP87SX39N
62 12
P04
P40(PWM0)
0V
63 13
P05 P41(PWM1)
Signal-Chassis – IN/OUT (KSPUx – IO)
Schaltungsänderungen zur Service-Manual-Ergänzung, Sach-Nummer 72010-524.98, Seite 4-58.
Circuit changes to the Supplement, part number 72010-524.98, page 4-58.
9 10 11 12
GNDTV
4503
45X6 0E
1
for Plug Print
5500
or front A/V
CM04
4501
2
only
0E
4504
AKP 0E
8 24 5SE2
1502 GNDTV
-7V
GNDTV
9 AKP 25
4,8V
1502
7505
GNDTV BC847B
-0,4V
2513 4502
10 AKP 26
1502 -1,1V
0E
2u2 50V
GNDTV
-7V
17
TVR 37..., TVR 51..., TVR 55...
15 16 17
GOLDCAP
GNDD
5,1V GNDDE GNDDE
5V
0V
0V
0V
0V
3 4
3,4V
1802
2
GNDD
3,4V 2803
1 6
27p
7 0
4,9V GNDD
13 14 15 16
for Plug Print only for front A/V only
from BUPI
AV CINCH
*
4
VID
VIDEO
**
GNDV
GNDTV GNDTV
3
*
4506
*
AUD
AUDIO
0E
3550
GNDA
3
1k
2 **
5501
1919
CM04
1 4
*
4505
45X6
0E
-7V
GNDTV GNDTV
GNDTV
*Pos.:4503,4504,4505,4506 include for
front A/V or Plug Print and not MSTD
GNDTV
**Pos.:5500,5501 include for
front A/V or Plug Print and MSTD
GRUNDIG Service
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Signal-Chassis – Standardton / Standard Sound (AL)
1502 B 9
1502 C10
1502 C10
1915 H16
1918 A14
1919 B16
A
2501 E11
2502 D15
2503 E14
2504 D16
2505 E15
2506 F11
2507 D 1
2508 A 5
2509 C13
2510 G10
2511 A 4
B 2512 C12
2513 C11
2514 D13
2515 C14
2516 J 5
2560 B 8
3500 D13
3501 E12
3502 D14
3503 E10
C 3504 C15
3505 D15
3506 G15
3507 H15
3508 G14
3509 F14
3510 F13
3511 F12
3512 G12
18
TVR 37..., TVR 51..., TVR 55...
GRUNDIG Service