Yamaha DSP-AX1800 - OPERATION (1) P.C.B. (Side A) Layout; OPERATION (2) P.C.B. (Side A) Layout

2
ABCDEFGH I J
1
3
4
5
7
RX-V1800/HTR-6190/DSP-AX1800
6
94
CB801
CB803
CB802
+5D1
KEY1B
VRA
+5M2
RTS
CTS
TXDF
RXDF
ISA MG PSW +5M2 ISB +5D1
PDLED
VRB
+5SPC
MG
/RES
BOOT
BUSY
FL (2) (CB971)
Writing port
FL (1)
(W9004)
RXDF
BUSY
TXDF
BOOT
CTS
MG
/RES
RTS
+5M2
MAIN ZONE
ON/OFF
INPUT
PURE
DIRECT
(RESET)
VOLUME
(Side A)
OPERATION (1) P.C.B.
(Side A)
OPERATION (2) P.C.B.
• Semiconductor Location
D8001 G4
Ref no. Location