Keyboard Control, Volume Control - Grundig UMS 1 Serviceanleitung

Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
Schaltbild / Circuit Diagram
Bedienteil, Lautstärkeregler

Keyboard Control, Volume Control

KEY BD - LEFT
S616
EDIT
S617
REPEAT
S618
SHUFFLE
S619
DOLBY
S620
TIMER
FC603
3 - 7
UMS 1 / UMS 2
D
B NR
RECORD
CD-COPY
A.S.S
D D D D D D D D D D D D
5 6 7 8 9 10 11 12 13 14 15 16 17
+5V
IR-SENSOR
RC601
+5V +5V
TC609
TO CONTROL/CD BOARD
T605
BC548B
CN609
R649
PAGE 3-14
10K
+5V
S621
ON/OFF
R610
R609
3.9K 3.3K
+5V
BC328-25
R624
10K
R625
1.2K
R626
10K
R627
1.2K
BC328-25
GRUNDIG Service
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
DISPLAY DP601
STEREO
MONO
REPEAT
D D D D S S S S S S S S S S S
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
TC610 TC611
TO CONTROL/CD BOARD TO CONTROL/CD BOARD
CN610 CN611
PAGE 3-14 PAGE 3-14
R608 R607 R606 R605 R604 R603 R602
2.7K 1.8K 1.8K 1.2K 1.2K 910 820
D603
D604 VR601
1N4148
100KA
T603 1N4148
T604
BC338-25
-
1 1
M
VR601
2 2 +
T601
VR601
BC338-25
100KA
T602
D601 D602
1N4148 1N4148
VOLUME CONTROL
3 - 8
47
46
D606
5.1C
+5V
1
KHZ
2
MHZ
S S S S S
39 40 41 42 43
R601
1K
TC606
RIN
1
GND
2
LIN
3
LOUT
4
GND
5
ROUT
6
UMS 1 / UMS 2
F1 5
AC 4V
F2 4
–36V -VEE 3
+5V
2
GND 1
TC601
KEY BD - RIGHT
S611
MEMORY
S612
CANCEL
S613
EDIT
S614
RECORD
S615
CD-COPY
FC605
GRUNDIG Service