Technics SJ-HD505 Service Manual page 49

: Playback signal
: Recording signal
11.2. Type Illustration of IC's, Transistors and Diodes
12. Schematic Diagram
13. Printed Circuit Board and Wiring Connection
Diagram
14. Block Diagram
15. Wiring Connection Diagram
16. Terminal Function of IC's
16.1. IC1 (AN8772FHQ) : RF AMP
Pin Mark I/O
No. Division
1 CENVD —
2 LDO O
3 APCPD I
4 LD IN I
5 APC REF I
6 TEMP IN I
7 TEMP O
8 ADIP O
9 TOFS I
10 TBAL I
11 TE O
12 CRS IN I
Function
D signal det. capacitor
connection terminal
Laser amp output terminal
Photo diode light quantity
det. input terminal
Laser amp reverse input
terminal
APC amp criterion voltage
input terminal
Temperature sensor amp
input terminal
Temperature sensor amp
output terminal
ADIP signal output terminal
Tracking error offset
adjustment terminal
Tracking ballance
adjustment terminal
Tracking error signal
output terminal
Track cross input terminal