Yamaha RX-V1065 Service Manual page 120

A B C
RX-V1065/HTR-6280/AX-V1065
DIGITAL 2/5
1
Page 124 E10 Page 130
to OPERATION (1)_CB401 to VIDEO (4)_W3601
2
3
4
R201
RX-V1065/AX-V1065 100K
HTR-6280 no use
5
3.4
3.4
6
7
IC22
3.4
3.4
0 3.4
3.4
3.4
0 0
8
9
10
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
★ Components having special characteristics are marked
and must be replaced ●
with parts having specifications equal to those originally installed. パーツリストに記載されている部品を使用してください。
★ Schematic diagram is subject to change without notice.
● 本回路図は標準回路図です。改良のため予告なく変更することがございます。
120
D E F
Page 130 I9
C2 Page 126 I7 Page 127 K8
to VIDEO (3)_CB382
to MAIN (5)_CB107 to MAIN (1)_CB156
2
C
0
3.4
3.4
3.4
3.3
0
0
0
3.3 MAIN MICROPROCESSOR
3.4
0
0
IC20
3.4
3.4
0
1.6
3.4
0.7
2.5
0
3.4
0
0
3.4
3.4
3.4
1.2
1.1
3.4
3.4
0.4
0
3.4
B
3.4
3.4
3.4
印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、
G H
1
3.4
3.4
3.4
0 3.4
3.4 3.4 0
IC21
3.3
0
0
3.4
3.3
0
3.4
3.4
3.4
3.4
3.4
3.3
3.4
3.4
3.4
0
3.4
3.4
0
3.3
0
3.3
0
0
3.4
2.6
2.6
0
3.3
0
3.3
3.3
3.4
3.4 3.3
0.6
to DIGITAL 3/5
I J K
Page 129 F6
to VIDEO (1)_CB349
3.7
3.4
-11.7
3.7
3.4
-11.7
3.7
3.4
-11.7
3.7
3.4
-11.7
3.7
3.4
-11.7
Key detection for A/D port
Key input (A/D) pull-up resistance 10 k-ohms
RX-V1065/HTR-6280
Ohm 0 +1.0k +1.0k +1.5k +1.5k +2.2k +3.3k
V 0 – 0.15 0.15 – 0.42 0.43 – 0.70 0.71 – 0.97 0.98 – 1.24 1.25 – 1.53 1.54 – 1.84 1.84 – 2.1
A/D value
0 – 11 12 – 32 33 – 54 55 – 75 76 – 95 96 – 118 119 – 142 143 – 162
(3.3 V=255)
KEY1 SCENE SCENE SCENE SCENE ZONE2 ZONE2
—
(133 pin) RADIO CD TV BD/DVD ON/OFF CONTROL
Ohm 0 +1.0k +1.0k +1.5k +1.8k +2.2k +3.3k
V 0 – 0.15 0.15 – 0.42 0.43 – 0.70 0.71 – 0.99 1.0 – 1.27 1.28 – 1.56 1.57 – 1.86 1.86 – 2.14
A/D value
0 – 11 12 – 32 33 – 54 55 – 77 78 – 98 99 – 120 121 – 143 144 – 165
(3.3 V=255)
CATEGORY CATEGORY
KEY2 PURE STRAIGHT / PRESET PRESET
INFO MEMORY <
(134 pin) DIRECT EFFECT < >
FM
AX-V1065
Ohm 0 +1.0k +1.0k +1.5k +1.5k +2.2k +3.3k
V 0 – 0.15 0.15 – 0.42 0.43 – 0.70 0.71 – 0.97 0.98 – 1.24 1.25 – 1.53 1.54 – 1.84 1.84 – 2.1
A/D value
0 – 11 12 – 32 33 – 54 55 – 75 76 – 95 96 – 118 119 – 142 143 – 162
(3.3 V=255)
KEY1 SCENE SCENE SCENE SCENE
SLEEP MUTE —
(133 pin) RADIO CD TV BD/DVD
Ohm 0 +1.0k +1.0k +1.5k +1.8k +2.2k +3.3k
V 0 – 0.15 0.15 – 0.42 0.43 – 0.70 0.71 – 0.99 1.0 – 1.27 1.28 – 1.56 1.57 – 1.86 1.86 – 2.14
to DIGITAL 4/5 A/D value
0 – 11 12 – 32 33 – 54 55 – 77 78 – 98 99 – 120 121 – 143 144 – 165
(3.3 V=255)
KEY2 PURE STRAIGHT / PRESET PRESET
INFO MEMORY FM
(134 pin) DIRECT EFFECT < >
L M N
POINT B XL20 (Pin 20 of IC20)
POINT C 1 / CB24 (+3.3M), 2 / CB24 (/RESET)
CB24 1
(+3.3M)
CB24 2
(/RESET)
POWER ON POWER OFF
to DIGITAL 5/5
CB24 1
(+3.3M)
CB24 2
(/RESET)
3.4
3.4
POWER ON
3.4
3.4
3.4
0.2
3.4
3.4
Page 131 B2
3.4
to GUI_CB501 IC21: R1172H331D-T1-F
3.4
Voltage regulator
2.5
2.6
0
0.3
V DD 4 5 V OUT
0
0.7
Vref
Current Limit
CE 1 2 GND
Pin No. Symbol Description
1 CE Chip Enable Pin
2 GND Ground Pin
to DIGITAL 1/5
3 NC No Connection
4 V DD Input Pin
5 V Output Pin of Voltage Regulator
OUT
IC22: LE25LB2562M-TLM-E
256 k-bit serial SPI EEPROM
(U model)
X ·
EEPROM
ADDRESS DECODER
Cell Array
BUFFERS
and
LATCHES
Y ·DECODER
CONTROL I/O BUFFERS
and
LOGIC
DATA LATCHES
SERIAL INTERFACE
CS# SCK SI SO WP# HOLD#
CS# 1 8 VDD
3.3
SO 2 7 HOLD#
0
WP# 3 6 SCK
3.3
VSS 4 5 SI
0.6
Writing port
0
IC22: LE25LA322M-TLM-E
3.3
32 k-bit serial SPI EEPROM
3.3
(C, R, T, K, A, B, G, E, F, L, J models)
3.3
CB27
X ·
EEPROM
DECODER
ADDRESS Cell Array
CB26
BUFFERS
&
LATCHES
Y ·DECODER
I/O BUFFERS
CONTROL
and
LOGIC
DATA LATCHES
SERIAL INTERFACE
CS# SCK SI SO WP# HOLD#
CS# 1 8 VDD
SO 2 7 HOLD#
WP# 3 6 SCK
VSS 4 5 SI
IC20: M30878JBGP
Single chip 16/32-bit microprocessor
8 8 8 8 8 8 8
Port P0 Port P1 Port P2 Port P3 Port P4 Port P5 Port P6
< >
< V > V CC1
CC2
Peripheral Functions Clock Generation Circuit
A/D Converter:
1 circuit X IN - X OUT
Timer (16-bit) Standard: 10 inputs X CIN - X COUT
Timer A: 5-channel Maximum: 34 inputs (2) On-chip Oscillator
+4.7k +22.0k +33.0k Timer B: 6-channel PLL Frequency Synthesizer
UART/Clock Synchronous Serial I/O:
2.34 – 2.55 2.55 – 2.97
Three-Phase Motor Control Circuit 7-channel (3) DMAC
181 – 197 198 – 229
DMACII
Watchdog Timer (15-bit) X/Y Converter:
16-bit x 16-bit
MAIN ZONE TONE
—
D/A Converter: CRC Calculation Circuit (CCITT):
ON/OFF CONTROL
8-bit x 2-channel CAN Module: 2-channel X 16 +X 12 +X 5 +1
+4.7k +6.8k +10.0k +22.0k +68.0k
M32C/80 series microprocessor core
Memory
2.14 – 2.4 2.4 – 2.65 2.66 – 2.91 2.92 – 3.17
Intelligent I/O
R0H R0L FLG
166 – 185 186 – 205 206 – 225 226 – 245
R1H R1L INTB ROM
Time Measurement: 8-channel (4)
(5) R2 ISP
Wave Generating: 16-channel
TUNING CH TUNING CH
Communication Functions: R3 USP
> — — RAM
< > Clock Synchronous Serial I/O, UART,
A0 PC
AM HDLC Data Processing
A1 SVF
FB SVP
SB VCT Multiplier
+4.7k +22.0k +33.0k
< > < >
2.34 – 2.55 2.55 – 2.97 V CC1 V CC2
Port P14 Port P15 Port P11 Port P12 Port P13
181 – 197 198 – 229
STANDBY/ TONE
—
ON CONTROL 7 8 5 8 8
+4.7k +6.8k +10.0k +22.0k +68.0k
(Note 1)
2.14 – 2.4 2.4 – 2.65 2.66 – 2.91 2.92 – 3.17
NOTES:
166 – 185 186 – 205 206 – 225 226 – 245
1. Ports P11 to P15 are provided in the 144-pin package only.
2. Included in the 144-pin package only. 26 inputs maximum in the 100-pin package.
TUNING TUNING 3. 6-channel available in the 100-pin package.
AM — —
< > 4. 6-channel available in the 100-pin package.
5. 10-channel available in the 100-pin package.