JVC RX-7030VBK Service Manual page 24

4.7 GP1UM281XK (IC404) : Dual operation amplifier
• Block diagram
4.8 HA17558AF-X (IC303,IC304,IC386,IC397,IC399,IC520 to IC526,IC528 to IC530) : Ope. amp.
• Pin layout & Block diagram
1
2
3
4
GND
1-24 (No.22058)
Amp
Limiter
Vcc 8
7
6
5
Demodu- Integra-
B.P.F
lator tor
R
L
Com-
para-
tor
GND Vcc Vout