GRUNDIG Service
UMS 3000
3 - 1
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Blockschaltplan / Block Diagram
5V REG
Q703
PLL
IC502 TC98123B
CASSETTE
IC401 LS22241
CD SERVO
U701 LA9242M
U702 LC78633E
U703 LA6541D
SYSTEM
POWER SWITCH
Q203 Q204
5V REG.
IC102 78L05
MUTE CCT.
Q201 Q202
12V
MAIN SUPPLY
D301 – D304
C306 C307
MCU
IC101 WP2K080
CHANNEL SELECTOR
& AUDIO PROCESSOR
IC202 LC75342
AUDI O AMP.
IC201 TA8229K
POWER ON CCT.
Q205 Q206
SPEAER
9V5 REG
Q208 Q209
Q210
CD POWER
SWITCH
Q704 Q705
RADIO
IC501 LA1832
KEYS
DISPLAY
R-CH
L-CH
FM ANT