Sony HT-K5 / STR-K5 Service Manual ▷ View online
29
29
STR-K5
STR-K5
4-21. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
D914
D915
R911
C913
R912
R913
R905
R904
R903
C916
C914
D913
D912
D911
D910
CNP801
CNP904
C901
C902
C911
C912
CNP906
CNP900
CNP903
C915
D921
D922
D920
D923
F901
Q911
R812
R810
Q901
T902
D901
RY901
JW901
JW902
CNP905
CN905
CNP910
JW904
T901
1SS133T
1SS133T
47k
0.47
50V
33k
10k
1
4.7k
47k
1000
25V
3300
16V
10EDB40-TA2B5
10EDB40-TA2B5
10EDB40-TA2B5
10EDB40-TA2B5
5P
2P
0.22
0.22
0.22
0.22
5P
2P
3P
2200
25V
10EDB40
-TA2B5
10EDB40
-TA2B5
10EDB40
-TA2B5
10EDB40
-TA2B5
T2.5AL/250V
2SC1740S
AC IN DETECT
0.22
1/2W
0.22
1/2W
2SC1740S
RELAY DRIVER
POWER
TRANSFORMER
(SUB)
1SS133T
POWER RELAY
4P
4P
3P
POWER
TRANSFORMER
(MAIN)
N
L
STOP
STBY GND
+16V
-16V
GND
GND
GND
+16V
RW_RY
+5.6V(STBY)
D920-923
RECT
RECT
D910-913
(SP,MY)
(E51)
(NC)
-1
-2
-3
S901
120V
220V
240V
(E51)
(SP,MY)
VOLTAGE SELECTOR
(AC IN ~)
(Page 14)
(Page 18)
(Page 14)
(Page 14)
30
30
STR-K5
STR-K5
•
Waveforms
– DIGITAL Board –
2
IC1301
qf
(BCK)
1 V/DIV, 100 ns/DIV
326 ns
3.3 Vp-p
3
IC1301
wa
(XOUT)
5
IC1501
qs
(MCLK2)
6
IC1501
qf
(SCKOUT)
7
IC1101
id
(X1)
500 mV/DIV, 20 ns/DIV
41.7 ns
1.2 Vp-p
72 ns
0.8 Vp-p
81.5 ns
2.4Vp-p
1
IC1301
qd
(CKOUT)
1 V/DIV, 50 ns/DIV
81.5 ns
2.2 Vp-p
1 V/DIV, 50 ns/DIV
1 V/DIV, 50 ns/DIV
81.5 ns
2.9 Vp-p
500 mV/DIV, 50 ns/DIV
72 ns
1,1 Vp-p
4
IC1501
9
(MCLK1)
500 mV/DIV, 50 ns/DIV
•
IC Block Diagrams
– MAIN Board –
IC400
M61542FP
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
1
2
3
4
5
6
7
8
9
10
14
13
12
11
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
IC501, 601, 701
µ
PC2581V-S
2
3
5
4
6
7
9
8
1
MUTE
+ VOUT1
– VOUT1
COMP1
MF1
IN1
GND
IN2
NF2
COMP2
– VOUT2
+ VOUT2
VCC1
VCC2
VEE
PROTECTOR
BIAS CIRCUIT
REG
DRIVE
PRE
DRIVE
11
10
12
13
15
14
DRIVE
PRE
DRIVE
– DIGITAL Board –
IC1301
LC89056W-E
38
37
36
23
24
1
2 3
4
5
44
8 9 10
46
17
22
21
20
30
35
25
26
27
28
29
32
33
34
16
45
13
14
15
47
40
41
48
CL
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
DOUT
DINO
DINI
DIN2
6
DGND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
XSEL
31
DGND
DO
CSFLAG
F0
F1
F2
VF
ERR9P
BPSYNC
ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42
DGND
43
DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
X’ TAL
31
STR-K5
IC1401
PCM1800E/2K
SINGLE-END
DEFERENTIAL
CONVERTER
REFERENCE
SINGLE-END
DEFERENTIAL
CONVERTER
DIGITAL
∑
MODULATOR
DIGITAL
∑
MODULATOR
1/64
DECIMATION
FILTER
&
LOW-CUT
FILTER
CLOCK/
TIMING CONTROL RESET/
POWER CONTROL
SERIAL I/O
INTERFACE
&
MODE/FORMAT
CONTROL
LIN
V REF 1
REFCOM
V REF 2
RIN
RSTB
FMT0
BYPASS
FMT1
MODE1
MODE0
FSYNC
1
2
3
4
5
6
8
7
9
11
10
12
AGND
VCC
C PR
C NR
C PR
C NR
DGND
SYSCLK
DOUT
BCK
LRCK
VDD
24
23
22
21
20
19
17
16
15 14 13
18
IC1452
PCM1602APT
SYSTEM
CLOCK
MANAGER
FUNCTION
CONTROL
INTERFACE
SERIAL
INPUT
INTERFACE
4X/8X
OVER SAMPLING
DIGITAL
FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTI-
LEVEL
DELTA-
SIGMA
MOJULE
ZERO DETECT
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
DAC
LPF
RST
SCKI
SCKO
BCK
TEST
VDD
DGND
DATA1
DATA2
DATA3
ZEROA
LRCK
37
38
39
40
42
43
44
45
46
47
48
41
ZERO1
ZERO2
ZERO3
ZERO4
ZERO5
ZERO6
NC
NC
VOUT6
VOUT5
VOUT4
VOUT3
1
2
3
4
5
6
7
8
9
10
11
12
VOUT2
VOUT1
VCOM
NC
AGND5
VCC5
AGND6
NC
AGND4
VCC4
AGND3
VCC3
13
14
15
16
17
18
19
20
21
22
23
24
ML
MC
MDI
MDO
NC
NC
NC
NC
VCC1
AGND1
VCC2
AGND2
36 35 34 33
32 31 30
29
28
27
26
25
IC1503
TC7WH157FU (TE12R)
SELECT
11
6
ST
11
7
A
1
2
3
A
B
Y
5
Y
B
GND 4
VCC
8
Y
EN G
Y
32
STR-K5
IC2120
M65850FP-E1
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
2
3
4
5
6
7
8
9
10
11
15
14
13
12
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
16
NC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
1
NC
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
– DISPLAY Board –
IC100
µ
PD16315GB-3BS
5
OSC
OSC
DATA
SELECTOR
6
DOUT
7
DIN
8
CLK
9
STB
10
KEY1
11
KEY2
SERIAL
INTERFACE
DISPLAY MEMORY
24 BITS x 12 WORDS
24-BIT OUTPUT
LATCH
12-BIT SHIFT
REGISTER
SEGMENT
DRIVER
TIMING GENERATOR
KEY SCAN
COMMAND
DECODER
DIMMING
CIRCUIT
KEY DATA MEMORY
(2 x 16 BITS)
4-BIT LATCH
1
LED1
2
LED2
3
LED3
4
LED4
24
16
16
12
4
8
8
4
8
27 SEG14/KS14
29 SEG16/KS16
30 VEE
28 SEG15/KS15
8
31 SEG17/GRID12
33 SEG19/GRID10
32 SEG18/GRID11
23 SEG10/KS10
24 SEG11/KS11
25 SEG12/KS12
26 SEG13/KS13
22
SEG9/KS9
21
SEG8/KS8
20
SEG7/KS7
19
SEG6/KS6
18
SEG5/KS5
17
SEG4/KS4
16
SEG3/KS3
15
SEG2/KS2
14
SEG1/KS1
MULTIPLEXED
DRIVER
34
SEG20/GRID9
35
SEG21/GRID8
36
SEG22/GRID7
37
SEG23/GRID6
39
GRID4
40
GRID3
41
GRID2
42
GRID1
43
VDD
44
VSS
13
VDD
12
VSS
38
SEG24/GRID5
GRID
DRIVER
– MIC TONE Board –
IC2000
M5243BFP09-CF0J
2
1
20
19
4
3
18
17
6
5
16
15
7
14
8
13
9
12
10
11
+
–
+
–
VREF
IN1-1
NF1-1
IN2-1
NF2-1
IN3-1
NF3-1
NON-INVERTED INPUT-1
INVERTED INPUT-1
OUTPUT-1
GND
VCC
OUTPUT-2
INVERTED INPUT-2
NON-INVERTED INPUT-2
NF3-2
IN3-2
NF2-2
IN2-2
NF1-2
IN1-2
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