Yamaha RX-Z9, Service Manual

Page: 134 / 190

A B C D E F G H
1
2
3
4
5
6
I J K L M N O
7
8
9
10
134
RX-Z9/DSP-Z9
CONSUMER ELECTRONICS LINK
REGULATOR
REGULATOR
PLL
DSD/PCM
CONVERTER
1394 CPU
RESET
RS-232C
INTERFACE
ROM
6
7
3.3
3.3
3.3
0
0
0
0
0
4.9
4.9
4.9
4.9
3.3
3.3
3.3
3.0
3.0
0
0
0
4.9 3.3
0
0
0
0
0
1.6
1.6
2.4
2.4
4.8
4.8
4.9
4.9 4.9
3.6
0
0
0
0
0
0
0
0
1.6
3.3
3.3
3.3
3.3
3.3
3.3
3.2
2.5
2.5
2.5
2.5
0
0
0
0 0
0
0
0
3.3
0
0
0
0
0
4.9
4.9
4.9 4.9 0 0 0 0
0
9.1
-9.4
-4.6
4.8
2.4
9.6
3.6
-8.9
4.6
3.0
3.2
2.3
2.5
2.5
1.7
1.7
1.6
3.2
2.3
EUROPE
: NOT INSTALLED
T
O
VIDEO T
OP
W232
P
age 140 A-6
T
O
DSP1 (1) CB10
P
age 131 L-7
■
SCHEMATIC DIAGRAM (1394)
* All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
* Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
IC3 : PQ025EZ5MZP
Rgulator
DC INPUT (VIN) DC OUTPUT (VO)
ON/OFF CONTROL (VC)
GND
2
5
3 1
I C
IC15 : PST9242NR
System Reset with Delay Time Circuit
VCC
VOUT
GND
SUB
TC
Id
5
1
4
3
2
IC1 : TLC2932IPWR
PLL
LOGIC VDD
VCO VDD
VCO OUT
VCO GND
VCO IN
RBIAS
VCO INHIBIT
PFD OUT
PFD INHIBIT
LOGIC GND
NC
SELECT
FIN-A
F
IN-B
1
2 3
4
5
6
7
8
9 10
11 13
14
12
PFD
VCO
1/2
DIVIDER
IC12, 16 : SN74LVC245APWR
Octal 3-State Bus Transceivers
1 DIR
2 A1
3 A2
4 A3
5 A4
6 A5
7 A6
8 A7
9 A8
10 GND
20 V
CC
18 B1
17 B2
16 B3
15 B4
14 B5
13 B6
12 B7
11 B8
19 ENG
IC2, 4, 17 : SN74AHCT1G125DCKR
IC7 : SN74LVC1G125DCKR
3-State Bus Buffer
1
2
3
5
4
VCC
Y
OE
GND
A
IC5 : CY22381FC
T h r e e - P L L G e n e r a l P u r p o s e F L A S H
Programmable Clock Generator
XTALIN
XTALOUT
SHUTDOWN/OE
FS/SUSPEND
CLKC
VDD
GND
CLKB
CLKA
OSC
CONFIGURA
TION
FLASH
PLL1
11-BIT P
8-BIT Q
PLL2
11-BIT P
8-BIT Q
PLL3
11-BIT P
8-BIT Q
4 x 3
CROSSPOINT
SWITCH
DIVIDER
7-BIT
DIVIDER
7-BIT
DIVIDER
7-BIT
3
4
8
7
2
1
5
6
IC9 : TSB43CA42PFGF
Consumer Electronics Link with Integrated
Micro Controller and Physical Layer
MPEGG2 DVB
OR
OR
OR
OR
MPEG2 DSS
8
8
8
8
8
8
DIGITAL VIDEO (DV)
PCM-AUDIO
IEC60958 (S/PDIF)
MPEGG2 DVB
OR
OR
OR
OR
OR
MPEG2 DSS
DIGITAL VIDEO (DV)
SUPER AUDIO CD
IEC60958 (S/PDIF)
PCM-AUDO
DATA
16
10
20
11
ADDRESS
CONTROL
GP I/O
1394
BUS
MONITOR
ARM
DEBUG GER JTAG
PORT
WDOG/
TIMER 2
TIMER 1
TIMER 0
UART
256KB RAM
PROGRAM
MEMORY
AND
COMM
MEMORY
1KB 1KB
SHARED RAM
ARM7 TDMI
RISC
CORE
CONTRGURATION REGISTERS (CFRs)
ASYNC
RX 1 FIFO
2KB
ASYNC
RX 0 FIFO
2KB
ASYNC
TX 0 FIFO
2KB
ASYNC
TX 1 FIFO
2KB
BCAST
RX
FIFO
512 B
PACKETIZER
ISO
HSDI 1
FIFO
4KB
1394s-2000
S400
2-PORT
PHY CORE
1394s-2000
LINK LAYER
CORE
CFRs
CFRs
ISO
HSDI 0
FIFO
4KB
M6
CIPHER
M6
CIPHER
H/W
AKE
AUDIO
RX
SYT PLL
HSDI 0
HSDI 1
ISO
PORT
ISO
PORT
EXT.
MCU
I/F
L
E
B
IC11 : MBM29LV800BA-70TN
16M-Bit Flash ROM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
A15
A14
A13
A12
A11
A10
A9
A8
A19
NC
/WE
/RESET
NC
NC
RY/BY
A18
A17
A7
A6
A5
A4
A3
A2
A1
A16
/BYTE
VSS
DQ15
DQ17
DQ14
DQ6
DQ13
DQ5
DQ12
DQ4
VCC
DQ11
DQ3
DQ10
DQ2
DQ9
DQ1
DQ8
DQ0
/OE
VSS
/CE
A0
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
RY/BY
RY/BY
BUFFER
ERASE CIRCUIT
WRITE/ERASE
PULSE TIMER
LOW VCC DETECT
VCC
VSS
WE
BYTE
CE
OE
A-1
A0~A18
RESET CONTROL
CIRCUIT
(COMMAND REGISTER)
CHIP ENABLE
OUTPUT ENABLE
CIRCUIT
WRITE CIRCUIT
I/O BUFFER
DQ0~DQ15
DATA LATCH
Y DECODER
X DECODER
ADDRESS LA
TCH
STB
STB
Y GATE
16,777,216
CELL
MATRIX
IC201 : ADM202JRN-REEL7
RS-232 Driver/Receiver
R1
R2
T2
T1 T 1 OUT T 1 IN
7 10 T 2 OUT T 2 IN
12
8
R
1
IN R
1
OUT
R 2 IN R 2 OUT
GND
5
6
4
C 2 –
C 2 +
V–
3
2
1
C 1 –
C
1
+
V+
V CC
16
+5V TO +10V
VOLTAGE DOUBLER
+10V TO –10V
VOLTAGE INVERTER
11 14
13
9
15
RS-232
INPUTS TTL/CMOS
OUTPUTS
RS-232
OUTPUTS TTL/CMOS
INPUTS
DSIFL
DSIFR
DSICT
DSISL
DSISR
DSISW
DSGAIN
SEL1FS
SEL4FS
XMTPCM
EXIFLR
EXISLR
EXICSW
EXILRCK
EXIBCK
EXIMCK
SYNC
INIT
DIRDSCK
DSBCK
MCK
TEST1
TEST2
TEST3
TOUT1
TOUT2
FMTPCM
POFLR
POSLR
POCSW
SELEXT
PLRCK
PBCK
MCKOUT
DIRPCK
FIR FILTER
&
DOWN
SAMPLING
UNIT
PCM
MUTE
PCM
I/F
ROM
24bit 720word
(fs 240w)
(2fs 240w)
(4fs 240w)
INT/EXT.
DATA
SELECT
INT/EXT.
CLOCK
SELECT
TEST
CONTROL
(Internal Clocks)
CLOCK
GENERATOR
&
TIMING
CONTROL
Point
u
(Pin 86 of IC10)
V : 2V/div, H : 40nsec/div
DC, 1 : 1 probe
Point y (Pin 53 of IC8)
V : 2V/div, H : 40nsec/div
DC, 1 : 1 probe
0V
0V
IC8 : SM5819AF-G
DSD/PCM Converter
37
38
39
40
41
42
43
44
45
46
47
48
24
23
22
21
20
19
18
17
16
15
14
13
1 2 3 4 5 6 7 8 9 10 11 12
36 35 34 33 32 31 30 29 28 27 26 25
VDDL
DSBCK
DSIFL
DSIFR
DSICT
DSISW
DSISL
DSISR
DIRDSCK
SYNC
INIT
VSS
VSS
POFLR
POCSW
POSLR
PLRCK
PBCK
VDDH
MCKOUT
VSS
FMTPCM
DIRPCK
VDDL
VSS EXIFLR EXICSW EXISLR EXILRCK EXIBCK VDDH EXIMCK VSS MCK TOUT2 VDDL
VSS
SEL1FS SEL4FS
SELEXT DSGAIN XMTPCM
VDDH
TEST1 TEST2 TEST3 TOUT1
VDDL