Sony STR-DH100 Service Manual ▷ View online
25
25
STR-DH100
STR-DH100
1
2
3
4
5
6
7
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
A
B
C
D
E
F
G
H
I
J
5-13. PRINTED WIRING BOARD — HEADPHONE BOARD — • Refer to page 12 for Circuit Boards Location.
5-14. SCHEMATIC DIAGRAM — HEADPHONE BOARD —
• Refer to page 30 IC Block Diagrams.
1
2
3
4
2
3
4
CNP790
4P
HP DETECT
R-CH
GND
L-CH
GND
L-CH
J790
1-822-554-21
SIGN2
SIGN4
C
MAIN
BOARD (1/3)
CN360
(Page 19)
HEADPHONE BOARD
SPEAKERS
MAIN BOARD
CN360
(Page 18)
C
TP790
1
4
CNP790
J790
PHONES
HEADPHONE BOARD
11
1-878-577-
(11)
26
26
STR-DH100
STR-DH100
1
2
3
4
5
6
7
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
A
B
C
D
E
F
G
H
I
J
5-15. PRINTED WIRING BOARD — POWER KEY BOARD — • Refer to page 12 for Circuit Boards Location.
5-16. SCHEMATIC DIAGRAM — POWER KEY BOARD — • Refer to page 30 IC Block Diagrams.
RV101
RV101
INPUT SELECTOR
S153
S120
C151
2200p
C153
2200p
R133 680
R134
1k
1
2
3
4
5
2
3
4
5
CNP102
5P
AD_1
PW_SW
GND
INPUT_JOG_A
INPUT_JOG_B
S154
FM MODE
A
BOARD
DISPLAY
CN102
(Page 24)
POWER SWITCH
SPK:OFF/A/B/A+B
POWER KEY BOARD
C153
R134
C151
R133
RV101
S120
S153
S154
1
5
CNP102
POWER KEY BOARD
1-878-576-
11
(11)
FM MODE
SPEAKERS
(OFF/A/B/A+B)
INPUT SELECTOR
A
DISPLAY BOARD
CN102
(Page 23)
STR-DH100
27
IC700 STK350-530T-E (MAIN BOARD) (1/3)
• IC Block Diagrams
MUTE
BIAS CIRCUIT
PROTECTOR
REG
DRIVE
DRIVE
PRE
DRIVE
PRE
DRIVE
+VOUT1
-VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
1
2
3
4
5
6
7
8 9 10 11 12 13 14 15
GND
FRIN2
FLIN2
SRIN2
SLIN2
Mode
Selector
Rec
SW2
Volume
C
Volume
SW1
Volume
SL
Volume
SR
Volume
FL
Volume
FR
Volume
Main
Mode
Selector
Mode
Selector
SWIN2
CIN2
RECR5
RECL5
GND
RECR1
RECL1
RECR2
RECL2
RECR3
RECL3
RECR4
RECL4
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
33
32
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
51
52
53
54
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
55
50
N.C
OUTSW2
OUTC
OUTSW1
OUTSL
OUTSR
OUTFL
OUTFR
VEE
DGND
CL
DA
VCC
TNF1
BNF1
BOUT1
BOUT2
SNF2
TNF2
GND
GND
N.C
SW2IN
CIN1
SWIN1
SLIN1
SRIN1
FLIN1
FRIN1
GND
ADCL
ADCR
GND
SUB1R
SUB1L
GND
INR1
INL1
INR2
INL2
INR3
INL3
INR4
INL4
INR5
INL5
INR6
INL6
INR7
INL7
INR8
INL8
INR9
INL9
INR10
INL10
INR11
INL11
INR12
INL12
Tone
Tone
Logic
IC400 BD3474KS2 (MAIN BOARD) (1/3)
STR-DH100
28
1
2
3
4
5
4-bit latch
24-bit output latch
12-bit shift register
Data selector
6
7
8
9
10
11
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
Serial
interface
OSC
Timing generator
key scan
Display memory
24 bits x 12 words
Key data memory
(2 x 16 bits)
Command decoder
segment driver
Grid driver
Multiplexed driver
39
40
41
42
43
44
SW1
SW2
SW3
SW4
OSC
DOUT
DIN
CLK
STB
KEY1
KEY2
KEY2
VSS
VDD
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
GRID9
GRID8
GRID7
GRID6
GRID5
GRID4
GRID3
GRID2
GRID1
VDD
VSS
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
VEE
SEG17
GRID11
GRID10
IC100 PT6315 (DISPLAY BOARD)
5
A0
16Kbit EEPROM ARRAY
Address
Decode
Slave, Word
Address Register
Control Logic
High Voltage Gen
Vcc Level Detect
ACK
STOP
START
11 bit
8 bit
11 bit
Data
Register
2
A1
3
A2
4
GND
8 Vcc
7 WP
6 SCL
5 SDA
IC601 BR24S16FJ-WE2 (MAIN BOARD) (2/3)
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