![background image](http://html.mh-extra.com/html/sony/hcd-dp900d/hcd-dp900d_service-manual_420616025.webp)
25
25
HCD-DP900D
– MAIN SECTION –
IC601
AUDIO DECODER
IC602
S-RAM
IC610
REC
BIAS(L)
BIAS
TRAP
R-CH
R-CH
R CH
BIAS
OSC
Q302,303
RV304
Q301
TC A+12V
C332,L301
ERASE
HEAD
REC/PB
HEAD
PB EQ
AMP
IC304
RV303
E-6V
IC302
REC/PB SWITCH
REC
EQ
BIAS
SW
DOLBY
B
BIAS(N)
B/N(L)
A/N(L)
EQ OUT(L)
BIAS(C)
REC(L)
LEVEL
RV301
PB
LEVEL
PB
LEVEL
40
1
2
3
4
48
46
A
B
70
120
PB
REC
DOL
PAS
PB OUT(L)
REC(L)
36
33
32
38
39
43
BIAS ON/OFF
20
B NORM/CROM/METAL
ALC ON/OFF
15
RM ON/OFF
22
NR ON/OFF
23
REC /PB/PASS
24
LM ON/OFF
25
MS OUT
26
A
TUNER
SECTION
MD/VIDEO
(AUDIO)
R-CH
L-CH
L-CH
J101
L
R
R-CH
PB
HEAD
DECK-B
DECK-A
PB EQ
AMP
IC303
RV302
SWITCH
Q304,305
17
A120/70
PB A/B
16
NORM/HIGH
18
DECK PROC.
IC301
90
89
57
56
91
70
69
B-SHUT
A-SHUT
B-PLAY
AMP-DATA
AMP-CLK
AMP-LAT
REAR-RELAY
NC
SP PROTECT
STK-MUTE
FRONT RELAY
LINE-MUTE
FLOUT
LREC OUT
LIN1
LIN4
SWOUT
MAC IN
COUT
SLOUT
LIN2
LREC OUT1
LIN5
B PLAY
B PLAY
B PLAY
FRBB2
FRBB1
FLBB2
FLBB1
L REC IN
ADL+OUT
ADL-OUT
FLIN
L-RECIN
SWIN
C IN
PORT3
PORT1
PORT4
PORT5
LIN-
LIN+
LOUT1
LOUT2
LOUT3
LOUT3
SMUTE
PDN
MCLK
BCK
DATA0
DATA1
DATA2
DATA3
LRCK
CSO
WEO
CS
WE
SCKOUT
BCK
SDI1
SDO1
SDO4
SDO3
LRCKO
GP10
BST
XRST
PM
HCS
HD IN
HCLK
SDI2
XSTATE
DO
CE
DI
CL
XOUT
XIN
ERROR
DATA
BCK
LRCK
CKOUT
XMCK
AUDIO
BCKI2
LRCKI2
KFSI2
MCLK2
MCLK1
GP8(AUDIO)
HACN
HDOUT
GP9(DECODE)
EXLOCK(ERROR)
CODEC-SMUTE
DSP-CS
DIG-TX
DIG-CLK
DIR-STATE
DIR-RX
DIR-CS
FAN
IICDATA
IICCLK
M-RESET
DVDPOWER
ACOUT
RESET
POWER
S1115
STBY RELAY
A-PLAY
B-HALF
A-HALF
67
PB-A/B
A TRIG
DRIVE
CAP MOTOR
DRIVE
Q396,397
Q393,394
CN304
B TRIG
DRIVE
Q391,392
CAP MOTOR
SPEED CONT
Q395
A-TRIG
50
B-TRIG
52
CAP-M H/L
54
CAP M-CONT
55
XC-IN
10
XC-OUT
11
TC BLOCK
A120/70
B120/70
A HALF
B HALF
A PLAY
B PLAY
A SHUT
B SHUT
A TRG M+
B TRG M+
CAP M H/L
CAP M+
19
TC-RELAY
IC401(2/2)
IC1102
MASTER CONTROL
66
EQ -H/N
68
ALC
65
BIAS
61
REC-MUTE
60
NR-ON/OFF
59
R/PB-PAS
58
TC-MUTE
53
AMS-IN
DC
BIAS
Q141
E+6V
TC A+12V
70
64
46
10
11
18
MUTE
12
63
66
69
28
1
67
1
2
3
72
85
86
84
15
16
17
52
71
79
81
5
7
77
78
76
94
30
29
41
38
100
12
83
74
19
37
35
36
42
40
43
48
73
4
97
T301
LINE
MUTE
Q502
51
DBFB
CONT
Q604
MUTE
Q823
Q613
PROTECT
Q833,834
RELAY
DRIVE
Q881,882
PROTECT
DETECTOR
Q835-837
+B
PROTECT
CONT
Q831,832
OVER LOAD
DETECTOR
Q801
D891
THERMAL
DETECTOR
Q816,817
45
44
2
6
7
9
2
13
24
12
20
30
29
27
25
23
17
3
39
4
9
6
7
8
5
14
20
18
23
26
25
19
67
18
21
22
DBFB
CONT
Q605
IC605
MULTI-CHANEL AUDIO DECODE
17
35
5
1
6
2
37
36
38
21
22
34
16
14
15
13
20
24
30
29
28
22
12
9
69
32
35
68
59
IC604(1/2)
DIGITALAUDIO
INTERFACE
IC603(2/2)
BUFFER
56
2
113
36
33
34
72
I
80
•
98
•
99
•
102
I
108
64
I
66
•
83
I
85
•
92
I
97
•
109
•
110
•
112
16
I
13
•
10
I
7
•
38
I
35
•
32
I
29
20
I
18
•
2
I
4
•
1
•
5
•
21
•
24
•
42
I
44
•
27
I
25
6
17
44
45
MUTE
SWITCH
Q821,822
Q611
NC
NC
Q501
RESET
SWITCH
POWER
MUTE
Q504-507
MUTE
SWITCH
Q612
X-OUT
13
X-IN
15
IC607(1/2)
SOUND PROCESSOR
Q607
FAN
SWITCH
Q114
FAN
DRIVER
Q111-113
D111
L REC OUT
L IN1
R-CH
R-CH
R-CH
R-CH
L IN4
SWOUT
J602
TM801
M961
FAN
MUTE
SWITCHT
Q503
MUTE
Q121
L
R
L
R
L
R
L
R
OUT
IN
IN
FRONT
SPEAKER
MD VIDEO
GAME
SUB WOOFER
OUT
R-CH
RY881
J1101
PHONES
R CH
J1202
MIC
FIP21
I
FIP59
FIP/LED5
FIP/LED20
FLOURESCENT
INDICATOR TUBE
DISPLAY CONTROL
IC1101
F1
F2
GRID
DRIVER
D1101-1106
FUCTION
KEY
60 IIC DATA
61 IICCLOCK
VOL 1A
56
VOL 1B
57
S1101
ENCORDER
VOLUME
X1101
4.0MHz
FL1101
6-10
12-22
24-41
43-47
HEADPHONE
58
S1136-1138,1140-1149
78
PB6/AN13
79
PB6/AN14
85
RLED5 FIP/LED0
55
97 99
PLAY1
NC
86
LED4 FIP/LED1
59
PB7/SO1 LED11
PA3/AN3 LED10
PB4/AN2 LED9
67
76
80
PB7/AN15
87
88
89
LED1 FIP/LED4
LED1 FIP/LED3
LED1 FIP/LED2
LED
DRIVER
Q1101-1106
D1114-1116
LED
DRIVER
Q1114-1116
D1108,1113
LED
DRIVER
Q1108-1110,
1113
52
53
54
PB8/S10 LED13
PB1/C11 LED14
PB0/IC1 LED15
KEY0
+2.6V
64
+4.5V
TOUCH
PANEL
DIVICE
S1135
VL
VH
HL
HH
68
69
70
71
FUCTION
KEY
S1110-1114
S1129-1134,1139
KEY1
65
FUCTION
KEY
S1116-1128
KEY2
66
77 RSTX
83
XIN
82
XOUT
D1107,1111
1112
LED
DRIVER
Q1107,1111
1112
Q601
D+5V
5.1CH
EFFECT
GROOVE
LED CTL
REC /
GAME
DIGITAL
VIDEO
TAPE A/B
TUNER
CD/DVD
DISC1
DISC2
DISC3
ENTER
Q1123,1124
IC1201
MIC
AMP
RV1201
MIC-LEVEL
MUTE
X601
13.5MHz
X401
32.768kHz
X402
16MHz
IC801
POWER
AMP
IC607(2/2)
SOUND PROCESSOR
D15
D0
A15
A0
T911
POWER TRANSFORMER
AC
IN
REG
+VH
-VH
+VL
-VL
VP
D1071
D871
1
3
REG
1
3
REG
1
3
Q931,932
(UNREG+9V)
(-30V)
(UNREG+16V)
B+SWITCH
Q921-924
SWITCH
E,SP,MY
E,SP,MY
E,SP,MY
E,SP,MY
MX
E,SP,MY
MX,TH
TH
RELAY
DRIVER
IC922
REG
1
3
IC921
IC923
IC934
+5.7V
REG
1
3
1
3
IC901
Q901
RESET
IC501
D959
D961,962
D830,831
MC+9V
A+12V
D+5V
D+3.3V
GC+3.3V
DVD+12V
REG
1
3
IC932
5VREG 1
3
IC931
D+5V
(DVD)
REG
1
3
IC933
2
1
CN901
F911
F916
F917
F912
F913
JW901
JW906
F1
F2
JW907
JW903
JW902
JW909
JW905
RY901
D902-905
T901
SUB
TRANSFORMER
120
220
230-240
120
230-240
D606
FEED BACK
E+6V
E+6V
Q971
REG
F918
F919
EVER5.7V
AC4
AC4
D950
AC3
D911
AC3
AC2
AC2
AC1
AC1
S901(1/2)
S901(2/2)
RESET
SWITCH
Q1120
POWER
SIRCS
DISPLAY KEY
POWER KEY
J601
32
36
DSP-RX
DSP-DATA
DSP-DECODE
DIR-UNLOCK
IC603(1/2)
BUFFER
12
10
8
4
13
11
9
3
DSP-RX
DSP-ACK
DSP-DECODE
DIR-UNLOCK
6
80
82
75
90
I
100
1-5
S1135
DISPLAY
IR
POWER
XIFCS
SYS CS
SYS CLK
SYS OUT
SYS IN
SYS RQ
SYS RST
SYS OK
VMUTE
SCO
SOO
SIO
XIFINT
XFRRST
XIFOK
VMUTE
D1117
REMOTE
CONTROL
RECEIVER
RED
DRIVER
C
DVD SYS
SECTION
D
TUNER/DVD DSP
SECTION
1
3
REG
REG
(Page 23)
(Page 24)
: FM
: AM
: CD
• Signal Path
• RCH is omitted due to same as LHC
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
: MD(VIDEO)
g
Summary of Contents for HCD-DP900D
Page 90: ...HCD DP900D MEMO ...