Yamaha HTR-6290 Service Manual page 190

A B
RX-V1900/HTR-6290/DSP-AX1900
1
● RAV37 (RX-V1900: U, C, R, T, K, A, B, L models / HTR-6290: C model)
SCHEMATIC DIAGRAMS
+3V
R3 In-system programming point
100 ohms R2
47 ohms
2
VDD
D1
IR Diode
E2
VSS
Q1
Xin
3
X1
4.00MHz
1 3
R1
C1
1 ohm
47uF
2
4
PANEL
RAV37
RX-V1900 (U, C, R, T, K, A, B, L models)
HTR-6290 (C model)
5
6
7
190
C D E
SYSTEM
VOLUME (+)
MEMORY4
VOLUME (-)
LEFT INPUT (-)
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
7 14 INPUT (+)
G0 D4
8 13
G1 D5
9 12
ENTER
G2 D6
10 11
G3 D7
G1 G0
KEY NO. LAYOUT
1 2
6 7 8 9
11 13
15 16 18
19 20 22
23 24 26
F G
SYSTEM
MEMORY3
MUTE
RETURN STANDBY
SYSTEM
MEMORY1
POWER
SYSTEM
DOWN
MEMORY2
E0
KEY CODE
Key
Function
no.
RAV33 MAIN
1 STANDBY 7E-7F
2 POWER 7E-7E
6 SYSTEM MEMORY 1 7A-007F
7 SYSTEM MEMORY 2 7A-037C
8 SYSTEM MEMORY 3 7A-0679
9 SYSTEM MEMORY 4 7A-0976
11 INPUT (-) 7A-235C
13 INPUT (+) 7A-1F60
15 PRESET ( ▼ ) 7F01-027D
16 PRESET ( ▲ ) 7F01-0679
18 VOLUME (+) 7A-1A
19 STOP ▅
7F01-69
20 PLAY ▶ 7F01-68
22 VOLUME (-) 7A-1B
23 SKIP (-) 7F01-6C
24 SKIP (+) 7F01-6D
26 MUTE 7A-1C
[K24] + [K6]
ZONE setting
= MAIN
Default: ID1/MAIN
H I
Custom code
ID1
ZONE2 ZONE3 ZONE4 MAIN ZONE2
7E-BB 7A-EE 7A-7C 7D-B1 7D-63
7E-BA 7A-ED 7A-7B 7D-B2 7D-64
7A-017E 7A-027D 7A-1867 7A-007E 7A-017F
7A-047B 7A-057A 7A-1966 7A-037D 7A-047A
7A-0778 7A-0877 7A-1A65 7A-0678 7A-0779
7A-0A75 7A-0B74 7A-1B64 7A-0977 7A-0A74
7A-245B 7A-255A 7A-2659 7A-235D 7A-245A
7A-205F 7A-215E 7A-225D 7A-1F61 7A-205E
7F01-037C 7F01-047B 7F01-057A 7F01-027C 7F01-037D
7F01-0778 7F01-0877 7F01-0976 7F01-0678 7F01-0779
7A-DA 7A-FD 7A-2B 7D-8D 7D-70
7F01-89 7F01-A9 7F01-C9 7F01-6997 7F01-8977
7F01-88 7F01-A8 7F01-C8 7F01-6896 7F01-8876
7A-DB 7A-FE 7A-2C 7D-8E 7D-71
7F01-8C 7F01-AC 7F01-CC 7F01-6C92 7F01-8C72
7F01-8D 7F01-AD 7F01-CD 7F01-6D93 7F01-8D73
7A-DC 7A-FF 7A-2D 7D-94 7D-72
[K23] + [K6] [K23] + [K7]
= ID1
[K24] + [K7] [K24] + [K8] [K24] + [K9] [K24] + [K6] [K24] + [K7]
= ZONE2 = ZONE3 = ZONE4 = MAIN = ZONE2
J
ID2
ZONE3 ZONE4
7D-73 7A-7C82
7D-74 7A-7B85
7A-027C 7A-1866
7A-057B 7A-1967
7A-0876 7A-1A64
7A-0B75 7A-1B65
7A-255B 7A-2658
7A-215F 7A-225C
7F01-047A 7F01-057B
7F01-0876 7F01-0977
7D-20 7A-2BD5
7F01-A957 7F01-C937
7F01-A856 7F01-C836
7D-21 7A-2CD2
7F01-AC52 7F01-CC32
7F01-AD53 7F01-CD33
7D-22 7A-2DD3
= ID2
[K24] + [K8] [K24] + [K9]
= ZONE3 = ZONE4