Schematic Diagram - Yamaha RX-Z7 Service Manual

A B
1
● RAV36

SCHEMATIC DIAGRAM

+3V
R3 In-system programming point
R2
100 ohms
47 ohms
2
VDD
D1
IR Diode
E2
VSS
Q1
Xin
3
X1
4.00MHz
1 3
R1 C1
1 ohm
47uF
2
4
5
6
7
C D
SYSTEM
VOLUME (+)
MEMORY4
VOLUME (-) MUTE
LEFT INPUT (-) RETURN
U1
M34283G2GP
UP
1 20
Vss Vdd
2 19
E2 CARR
MENU
3 18
E1 D0
4 17
Xin D1
STATUS
5 16
Xout D2
6 15
E0 D3
RIGHT DISPLAY
7 14 INPUT (+)
G0 D4
8 13
G1 D5
9 12 DOWN
ENTER
G2 D6
10 11
G3 D7
G1 G0 E0
PANEL
E F
KEY NO. LAYOUT KEY CODE
Key
No.
SYSTEM 1 2
MEMORY3
6 7 8 9
STANDBY
SYSTEM
MEMORY1
11 13
15 16 17 18
POWER
19 20 21 22
SYSTEM
23 24 25 26
MEMORY2
ID SETTING
ZONE SETTING
G H
Key name ID1
MAIN ZONE2 ZONE3 ZONE4
1 STANDBY 7E-7F 7E-BB 7A-EE 7A-7C
2 POWER 7E-7E 7E-BA 7A-ED 7A-7B
6 SYSTEM MEMORY 1 7A-007F 7A-017E 7A-027D 7A-1867
7 SYSTEM MEMORY 2 7A-037C 7A-047B 7A-057A 7A-1966
8 SYSTEM MEMORY 3 7A-0679 7A-0778 7A-0877 7A-1A65
9 SYSTEM MEMORY 4 7A-0976 7A-0A75 7A-0B74 7A-1B64
11 INPUT ◁ 7A-235C 7A-245B 7A-255A 7A-2659
13 INPUT ▷ 7A-1F60 7A-205F 7A-215E 7A-225D
15 STATUS 7A-433C 7A-3A45 7A-3D42 7A-403F
16 ▲ (up) 7A-9D 7A-2B54 7A-304F 7A-354A
17 MENU 7A-84 7A-3B44 7A-3E41 7A-413E
18 VOLUME + 7A-1A 7A-DA 7A-FD 7A-2B
19 ◀ (left) 7A-9F 7A-2D52 7A-324D 7A-3748
20 ENTER 7A-DE 7A-2F50 7A-344B 7A-3946
21 ▶ (right) 7A-9E 7A-2E51 7A-334C 7A-3847
22 VOLUME - 7A-1B 7A-DB 7A-FE 7A-2C
23 RETURN / SUBMENU 7A-AA 7A-3C43 7A-3F40 7A-423D
24 ▼ (down) 7A-9C 7A-2C53 7A-314E 7A-3649
25 DISPLAY 7A-C2 7A-36 7A-37 7A-38
26 MUTE 7A-1C 7A-DC 7A-FF 7A-2D
Key No. Key name Key No. Key name
6 SYSTEM MEMORY 1
19 ◀ (left) with
7 SYSTEM MEMORY 2
Key No. Key name Key No. Key name
6 SYSTEM MEMORY 1
7 SYSTEM MEMORY 2
21 ▶ (right) with
8 SYSTEM MEMORY 3
9 SYSTEM MEMORY 4
I J
RX-Z7/DSP-Z7
Code
ID2
MAIN ZONE2 ZONE3 ZONE4
7E-7F81 7E-BB45 7A-EE10 7A-7C82
7E-7E80 7E-BA44 7A-ED13 7A-7B85
7A-007E 7A-017F 7A-027C 7A-1866
7A-037D 7A-047A 7A-057B 7A-1967
7A-0678 7A-0779 7A-0876 7A-1A64
7A-0977 7A-0A74 7A-0B75 7A-1B65
7A-235D 7A-245A 7A-255B 7A-2658
7A-1F61 7A-205E 7A-215F 7A-225C
7A-433D 7A-3A44 7A-3D43 7A-403E
7A-9D63 7A-2B55 7A-304E 7A-354B
7A-847A 7A-3B45 7A-3E40 7A-413F
7A-1AE4 7A-DA24 7A-FD03 7A-2BD5
7A-9F61 7A-2D53 7A-324C 7A-3749
7A-DE20 7A-2F51 7A-344A 7A-3947
7A-9E60 7A-2E50 7A-334D 7A-3846
7A-1BE5 7A-DB25 7A-FE00 7A-2CD2
7A-AA54 7A-3C42 7A-3F41 7A-423C
7A-9C62 7A-2C52 7A-314F 7A-3648
7A-C23C 7A-36C8 7A-37C9 7A-38C6
7A-1CE2 7A-DC22 7A-FF01 7A-2DD3
SETTING
ID1
more then 3 sec. ➡
ID2
SETTING
MAIN
ZONE2
more then 3 sec. ➡
ZONE3
ZONE4
227