Panasonic SA-PM10 - Terminal Function of ICs; IC1 (LA1833 NMNTLM): IF & MPX IC (TUNER)

parts shown in the parts list.
Caution !
IC, LSI and VLSI are sensitive to static electricity.
Secondary trouble can be prevented by taking care during repair.
- Cover the parts boxes made of plastics with aluminium foil.
- Put a conductive mat on the work table.
- Ground the soldering iron.
- Do not touch the pins of IC, LSI or VLSI with fingers directly.
15. Printed Circuit Board
16. Wiring Connection Diagram
17. Illustration of IC’s, Transistors and Diodes
18. Terminal Function of IC's
18.1. IC1 (LA1833NMNTLM) : IF & MPX IC (TUNER)
Pin
No.
Mark I/O Function
1 FM IF In - D signal det. capacitor
connection terminal
2 AM MIX
out
O Laser amp output terminal
3 REG I Photo diode light quantity
det. input terminal
4 AM IF In I Laser amp reverse input
terminal
5 GND I AMC amp criterion voltage
input terminal
6 SD I Temperature sensor amp
input terminal
7 ST O Temperature sensor amp
output terminal
8 FM DET O ADIP signal output terminal
9 Vcc I Tracking error offset
adjustment terminal
10 STRQ I Tracking balance
adjustment terminal
11 FM/AM O Tracking error signal
output terminal
43