Yamaha CDR-HD1500 Service Manual page 44

A B
CDR-HD1500
1
I PRINTED CIRCUIT BOARD (Foil side)
OSD (1) P. C. B.
2
3
+VA
GND
-VA
SB_DATA
SB_SCK
SB_N_OSD
N_VMUTE
N_DEV_RST
4
BIT0
BIT1
TXD1
RXD1
RTS1
CTS1
DIP1
DIP2
VPP
N_VPP
MAIN
(CB202)
5
OSD (2) P. C. B. (Side A)
U, J models
6
OPERATION (6)
7
(CB600)
44
C D
(Side A)
DCD
DSR
8 9
RXD
RTS
RS-232C
TXD
CTS
DTR
RI
GND
1 16
S VIDEO
12 13
1 24
Refer to "Starting the P.C.B. test mode" on page 18.
「P.C.B.テストモードの起動」 （18ページ） 参照
E F
OSD (1) P. C. B. (Side B) Lead Free Solder Used
VIDEO
VIDEO
OUT
Circuit No. J U A, B, G
CB952 O O X
R955 X X O
W950A, 950B O O X
X: NOT USED
O: USED / APPLICABLE
G H I
WCLK P. C. B.
WCLK P. C. B.
(Side B) Lead Free Solder Used
• Semiconductor Location
Ref. No. Location
D950 F4
IC900 D2
IC950 C4
Q950 G4
Q951 G3
Q952 G4
Q953 G3
Q954 G4
Q955 G3
• Semiconductor Location
J
(Side A)
MAIN
(CB1) (CB140)
Ref. No. Location
IC801 I6
IC802 I5