Yamaha HTR-6150 Service Manual page 87

A B C
DSP 5/8
1
to DSP 4/8
2
to DSP 4/8
3
3.3 3.3
0 0
to DSP 4/8
4
3.3 3.3
to DSP 8/8
to DSP 8/8
IC155
3.3
to DSP 4/8
5
IC155
1.1 3.0
IC155
3.3 0.1
to DSP 4/8
6
7
to DSP 4/8
8
to DSP 4/8
9
IC51: K4S641632K-UC60000
64 M synchronous DRAM
CLK
10 ADD
LCKE
LRAS
CLK
D E F
IC152
0
3.2
3.2
IC152
3.3
3.2
3.3
IC152
3.3
3.2
3.0
IC152
3.3
3.2
1.1
IC153
3.3
3.2
3.3
IC153
3.3
3.3
3.3
3.2
3.3
3.2
3.3
3.3 0
3.3 0
IC153 3.3 0 3.3
3.3
0 3.3
3.3
3.3
1.3
0 3.3
IC154
IC153
IC155 IC155
3.3
IC155
3.3 0 0 3.3
3.3
3.3
0 0 3.3
3.3
0
SDRAM
3.3 0
1.3 0.4
3.3
0
1.3 0.4
0.6 0.4
0
3.3
1.2 0.4
1.1 0.4
3.3 0
0.9 0.3
0.5
1.0
0 3.3
0 0.3
3.3 0
0
3.3 0
1.7
3.3
3.3 3.3
3.3
1.1 0.6
2.2 0.4
3.3
1.2
3.3 3.3
3.3 0.4
3.3 3.1
3.3 1.8
3.3 0
IC52: EN29LV160AB-70TCP
16 M-bit flash memory boot sector flash memory, CMOS 3.0 V-only
LWE
RY/BY#
Vcc
Data Input Register
Vss
LDQM
Bank Select
State
Control
2M x 8 / 1M x16
V DD 1 54 V WE#
SS
2M x 8 / 1M x16 DQ0 2 53 DQ15
Program Voltage
DQi V DDQ 3 52 V
SSQ Generator
2M x 8 / 1M x16 DQ1 4 51 DQ14
Command
DQ2 5 50 DQ13
V 6 Register
2M x 8 / 1M x16 SSQ 49 V DDQ
DQ3 7
48 DQ12 CE#
DQ4 8 47
DQ11 OE#
V DDQ 9 46 V
SSQ
DQ5 10 45 DQ10
Column Decoder
DQ6 11 44 DQ9
V SSQ 12 43 V DDQ
DQ7 13 42 DQ8
Latency & Burst Length V DD 14 41 V SS
LDQM
15 40 N.C/RFU
16
WE 39 UDQM Vcc Detector
CAS 17 38
Programming Register CLK
RAS 18 37 CKE
CS 19 36 N.C
LCBR LWE LCAS LWCBR LDQM
BA0 20 35 A11 A0-A19
BA1 21 34 A9
A10/AP 22 33 A8
Timing Register A0 23 32 A7
A1 24 31 A6
A2 25
30 A5
A3 26 29 A4
CKE CS RAS CAS WE L(U)DQM V 27 28 V
DD SS
G H
3.3
IC151
3.3
3.3 0
3.3 3.3
0
3.3
0
3.2
3.2 3.3
0
3.3
0 0
0
IC53
3.3
3.3 3.2
3.3 0
3.3 0
3.3 0
1.8 0
3.1
0
0.4 0.2
3.3 0
0 0
BUS BUFFER
3.3
IC54
3.2
1.3 3.2
1.3 0
0.6
0
1.2 0
1.1 0
0
0.9
1.0 0
0
0
0 0
BUS BUFFER
IC55 3.3
3.2
0.3 3.2
0.5 0
0.3
0
0.4 0
0.4 0
0
0.4
0.4 0
0.4 0
0 0
FLASH MEMORY
0 0
3.3
0
0 0
1.9 0.4
1.3 0
1.3 0.4
1.4 1.0
1.2 0.4
3.3 0.9
0.4
3.3 1.1
3.3
3.3
0.4
1.2
3.3
0.3
0 0.6
0 0.5
3.3 1.3
0.4 0.3
1.3
3.1
1.8 3.3
3.3 0
3.3 3.3
3.3 3.3
IC56: SN74AHCT574PWR
Octal edge-triggered D-type flip-flops with 3-state outputs
1
OE
11
CLK
DQ0-DQ15 (A-1)
Block Protect Switches
2
1D
Erase Voltage Generator
Input/Output buffers
A15 1 48 A16
A14 2 47 BYTE#
STB
Data Latch A13 3 46 V SS
Chip Enable 9
A12 4 45 DQ15/A-1 8D
Output Enable
A11 5 44 DQ7
Logic
A10 6 43 DQ14
A9 7
42 DQ6
A8 8 41 DQ13
A19 9 40 DQ5
Y-Decoder Y-Gating
NC 10 39 DQ12
WE# 11 38 DQ4
STB RESET# 12 37 V CC
NC 13 36 DQ11
NC 14
Timer 35 DQ3
Cell Matrix RY/BY# 15 34 DQ10
X-Decoder
A18 16 33 DQ2
A17 17 32 DQ9
A7 18 31 DQ1
A6 19 30 DQ8
A5 20 29 DQ0
A4 21 28 OE#
A3 22 27 V
SS
A2 23 26 CE#
A1 24 25 A0
I J K
5.0
0
0 5.0
0 0
0
0
0
4.9
0 0
0 3.3
0 0
0 4.9
0 3.3
IC56
3.3
0
0 0
0 3.3
0 3.0
0
3.3
0 0
0 0
0 0
0
0
0 3.3
IC57
0 3.3
0 3.3
0 3.3
0 3.3
0
3.3
0 3.3
0 3.3
0
0
0
0
0
3.3
IC58
3.3
0
0 3.3
0 0
0 3.3
0
0
0
3.3
0 1.8
0 3.1
0 0.3
0 3.3
IC59
EXTENDED PORTS
IC57-59: SN74LV574APWR 8D-F
Octal edge-triggered D-type flip-flops with 3-state outputs
1
OE
OE
OE 1 20 V 11
CC CLK 1D
1D 2 19
1Q 2D
C1 19
2D 3 18 2Q
1Q 3D
C1 19 2
3D 4 17 1D 1D
1Q 3Q 4D
1D
4D 5 16 4Q 5D
5D 6 15 5Q
6D
6D 7 14
6Q 7D
7D 8 13 7Q
8D
8D 9 12 8Q C8
12 GND
8Q
C8 12 9
GND 10 11 CLK 8D
8Q 8D
8D
L M N
RX-V563/HTR-6150/DSP-AX563
to DSP 7/8
to DSP 4/8
to DSP 6/8 / to DSP 7/8
to DSP 6/8 / to DSP 7/8
to DSP 6/8
to DSP 6/8
to DSP 7/8
to DSP 6/8
to DSP 7/8
to DSP 6/8 / to DSP 7/8
to DSP 6/8 / to DSP 7/8
IC53-55, 151: SN74LVC245APWR
Octal bus transceivers with 3-state outputs
DIR 1 20 Vcc
A1 2 19 OE
A2 3 18 B1
to DSP 2/8
A3 4 17 B2
A4 5 16 B3
to DSP 2/8
A5 6 15 B4
to DSP 2/8
A6 7 14 B5
A7 8 13 B6
A8 9 12 B7
GND 10 11 B8
IC152: SN74LVC32APW
to DSP 3/8 Quadruple 2-input positive-OR gates
to DSP 8/8
to DSP 8/8
to DSP 3/8 1A 1 14 Vcc
to DSP 2/8
1B 2 13 4B
to DSP 8/8
1Y 3 12 4A
to DSP 8/8
2A 4 11 4Y
2B 5 10 3B
2Y 6 9 3A
GND 7 8 3Y
IC153: SN74LVC08APWR
Quadruple 2-input positive-AND gate
to DSP 8/8
1A 1 14 Vcc
1B 2 13 4B
1Y 3 12 4A
to DSP 8/8
2A 4 11 4Y
to DSP 8/8
2B 5 10 3B
2Y 6 9 3A
GND 7 8 3Y
IC155: SN74LV14APWR
Hex schmitt trigger inverters
to DSP 8/8
VCC
A1 1 14
Y1 A6
2 13
to DSP 8/8 A2 3 12 Y6
Y2 4 11 A5
A3
5 10 Y5
Y3 6 9 A4
GND 7 8 Y4
to DSP 6/8
IC154: SN74LV123APWR
Dual retriggerable monostable multivibrators with schmitt-trigger inputs
1A 1 16 VCC
1 20 V
CC 1B
2 15 1R ext /C ext
2 19 1Q
1CLR 3 14 1C ext
R ext /C ext
3 18
2Q A 1Q
C ext 1Q 4 13
4 17 3Q
2Q 5 12 2Q
5 16
4Q B Q 2C ext 6 11 2CLR
6 15
5Q 2R ext /C ext
7 10 2B
7 14 6Q CLR R Q
GND 8 9 2A
8 13
7Q
9 12 8Q
10 11 CLK
# All voltages are measured with a 10MΩ/V DC electronic voltmeter.
# Components having special characteristics are marked s and must be replaced
with parts having specifications equal to those originally installed.
# Schematic diagram is subject to change without notice.
87