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XR-4880
SERVICE MANUAL
AEP Model UK Model
Photo: XR-4880
Model Name Using Similar Mechanism Tape Transport Mechanism Type
XR-C6100R MG-25F-136
SPECIFICATIONS
FM/MW/LW CASSETTE CAR STEREO
MICROFILM
SECTION 6 DIAGRAMS
• IC Block Diagrams – MAIN Board –
IC301 IC351 LB1930M-TLM
CXA2509AQ-T4
LINEOUT2 TAPEIN2 PBOUT2 AUXIN2 PBEQ2 MSSW DIREF
IC21 TB2118F (EL)
AM CP OUT FM CP OUT A-GND D-GND AM IN FM IN
GND
NC
24dB
VCC 1 NC 2 IN1 3 IN2 4
VDD
REG
VCC
IFC
VT
10 NC BUFFER CONTROL CIRCUIT BUFFER MOTOR DRIVE CIRCUIT 9 OUT1 8 NC 7 OUT2 6 P-GND
XI
30
29
28 27
26
25
24
23 22 21
24 23
22 21
20
19
18
17 AMP
16 15 14 13
120µ/70µ T2 – + PBFB2 31 PBRIN2 32 PBREF2 33 F2 TAPE EQ FWD/RVS NR BIAS X1 TAPE/AUX + –
+
VCC 4BIT SWALLOW COUNTER SEEK/RECP PRESCALLER 12BIT PROGRAMMABLE CO