Sony DAV-DZ260 / DAV-DZ270 / HCD-DZ260 / HCD-DZ270 / HCD-HDZ278 Service Manual ▷ View online
HCD-DZ260/DZ270/HDZ278
HCD-DZ260/DZ270/HDZ278
33
33
6 YIN
2 CIN
2 CIN
10 CVIN
12 CBIN
14 CRIN
12 CBIN
14 CRIN
16
CrOUT
80
2ND_XM_SEL/
TV_SEL/
MIC_DATA
VIDEO
83
V_SEL1
82
V_SEL0
87
IO_DO/VSEL2
210
RGB_SEL_DSEL
DZ260
DZ260
DZ270/HDZ278
191
Y
189
C
185
Y/G
183
B/Cb/Pb
182
R/Cr/Pr
209
WIDE
180
TX2P
179
TX2N
177
TX1P
176
TX1N
174
TX0P
173
TX0N
171
TCKP
170
TCKN
162
HTPLG
20
CYOUT
18
CbOUT
23
CVBSOUT
16
CrOUT
20
CYOUT
18
CbOUT
23
CVBSOUT
CROUT
CYOUT
CBOUT
VOUT
Q400,402,404
BLANKING
CONTROL
Q401,405,406
FUNCTION SWITCH
Q403
IC404
VIDEO DRIVER
IC400
VIDEO DRIVER
CN400 (1/2)
J404 (1/2)
VIDEO OUT
J401
CN1701
4 CVBSIN
5 YC MIX
5 YC MIX
6 YIN
2 CIN
2 CIN
10 CVIN
12 CBIN
14 CRIN
12 CBIN
14 CRIN
4 CVBSIN
5 YC MIX
CEC_RX_IN
CEC_TX_OUT
CEC_TX_OUT
3 MUTE1
3 MUTE1
13 MUTE2
13 MUTE2
5 YC MIX
5 YC MIX
7
8
16
19
15
11
11
R/COUT
1 TMDS DATA2 +
3 TMDS DATA2 –
4 TMDS DATA1 +
6 TMDS DATA1 –
7 TMDS DATA0 +
9 TMDS DATA0 –
3 TMDS DATA2 –
4 TMDS DATA1 +
6 TMDS DATA1 –
7 TMDS DATA0 +
9 TMDS DATA0 –
10 TMDS CLOCK +
12 TMDS CLOCK –
12 TMDS CLOCK –
19 HPD
G OUT
BOUT
BOUT
CVBSOUT
BLANKING OUT
FUNCTION SW
Y
PB/CB
COMPONENT
VIDEO OUT
PR/CR
HDMI OUT
+6V
IC1103
EEPROM
IC1102
FLASH ROM
IC1101 (2/3)
DVD SYSTEM CONTROL, DSP
IC501 (2/5)
SYSTEM CONTROLLER
IC1104
SDRAM
IC1707
+5V REG.
IC1705
BUFFER
WF
EEWP
SCL
SDA
18 +5V POWER
13 CEC
15 SCL
16 SDA
16 SDA
Q9724,9726,
Q9728,9729
Q9728,9729
CEC RX/TX I/F
7
112 101 102
DDC_CLK
161
DDC_DA
159
CLKE
37
UDQM
39
LDQM
15
WE
11
OE
28
CE
26
45
12
/CAS
17
/RAS
18
/WE
16
/CS
19
CLK
38
BA1
21
BA0
20
CKE
147
DQM1
132
DQM0
111
_CAS
134
_RAS
135
_R
WE
133
_RCS
136
DRCLK
146
BA1
138
BA0
137
XWR
66
XRD
78
XROMCS
XWR
XRD
XROMCS
A1–A21
A0
76
SCL
6
SDA
5
Q1701
LEVEL SHIFT
139–141,143,144
149–155
2,4,5,7,8,10,11,13,42,
44,45,47,48,50,51,53
117–113,119–129
22–26,29–35
RD0–RD15
RA0–RA11
RD0–RD15
RA0–RA11
56–64,67–75,77,
87,91,92
29,31,33,35,
38,40,42,44
79,80,82–86,89
25–16,10–1,48
HD0–HD7
HA0–HA21
A0–A21
HD0–HD7
HD0–HD7
DQ0–DQ7
RA0–RA21
DQ15/A-1
RESET
XSYSRST
C
RF
SECTION
G
AUDIO
SECTION
E
AUDIO
SECTION
5OUTPUT (TO TV)
EURO AV
• SIGNAL PATH
: VIDEO
: Y
: CHROMA
: COMPONENT VIDEO
: Y
: CHROMA
: COMPONENT VIDEO
6-2. BLOCK DIAGRAM – VIDEO Section –
(Page 32)
(Page 34)
(Page 34)
HCD-DZ260/DZ270/HDZ278
HCD-DZ260/DZ270/HDZ278
34
34
Q101,104,105
MIC DC SWITCH
J100
SW3.3V
DC-CONT
R-CH
R-CH
R-CH
D107
Q102
Q103
Q413
Q412
D104
Y1
Y
GAIN_CONT
PLUG_DET1
MONO_ST_DET
A.CAL
DC_CONT
IC103
MIC AMP
IC104
MIC LEVEL DETECT
IC411
INPUT SELECT
IC202
DMPORT
AUDIO AMP
IC2101
VBUS CONTROL
IC1101 (3/3)
DIR/USB CONTROL
IC501 (3/5)
SYSTEM CONTROL
CN104
USB5V
1
2
3
4
2
3
4
IC301
OPTICAL
RECEIVER
IC702
DIR
IC302
WAVE
SHAPER
AUDIO IN/
A.CAL MIC
J404 (2/2)
CN204
CN400 (2/2)
TU401
J302
FM/AM
TUNER
RACK
TV/VIDEO
DMPORT
DC 5V
0.7V MAX
EURO AV
AM
COAXIAL
DZ270/HDZ278
DZ260
DZ270/HDZ278
DZ270/HDZ278
DZ260
OPTICAL
TV DIGITAL
IN
AUDIO
IN
5
OUTPUT
(TO TV)
3
5
7
2
3
48
25
1
VIDEO
VIDEO
LCH
RCH
RCH
VBUS (5V)
DET
RXD
TXD
DET
RXD
TXD
VIDEO 5V
A (L) IN
A (R) IN
A (R) IN
L-CH
R-CH
TUNED
DI
DO
CL
CE
RDS_DATA
RDS_CLK
R-CH
TUNED
DI
DO
CL
CE
RDS_DATA
RDS_CLK
VIDEO 5V
(DMPOART)
13
14
14
5
6
7
6
7
6
2
2
4
17
1
5
3
A 10
B 9
Y2
2
Y3
4
Y0
1
L
R
VIDEO
SECTION
E
AMP
SECTION
F
R-CH
R-CH
XMODE (I)
XVOICE/DIR_CSFLAG
MDIR_CSFLAG
MDIR_CL
MDIR_CE
MDIR_DI
MDIR_DO
VBUS
D-
D+
GND
D-
D+
GND
SPMCK
SPLRCK
SPBCK
SPDATA
CSFLAG (O)
38
CL (I)
37
CE (I)
36
DI (I)
35
DO (O)
13
CKOUT (O)
15
LRCK (O)
14
BCK (O)
16
52
51
51
DATA (O)
24
AUDIO- (O)
34
ERROR (O)
4
2
DIN1 (I)
(OPT)
(OPT)
5 DIN2 (I)
(COAX)
4 XOUT (O)
22 XIN (I)
XSYSRST
RF
SECTION
D
X701
12.288MHz
214
196
DIR_CL
227
DIR_CE
221
RT/DIR_DI
230
LT/DIR_DO
231
SPMCK
199
SPLRCK
201
SPBCK
200
ADIN (SPDATA)
DIR_AUDIO/NC
DIR_ERROR/NC
DIR_ERROR/NC
INT3 RDS_CLK/LED_LAT
VBUS_OC
USB_DM
202
197
MDIR_ERROR
MDIR_AUDIO
1
75
45
CEC_RX_IN
CEC_RX_IN
3
CEC_TX_OUT
CEC_TX_OUT
22
USB_DP 44
VBUS_OE
VBUS_SW
3
COAXIAL 75Ω
FM
ANTENNA
DZ260/DZ270
DZ260
RDS_DATA/XM_RST (PCONT)
76
ST_CE
71
ST_CLK
69
ST_DO
70
ST_DI
72
TUNED
TUNED
DI
DO
DI
DO
CE
CL
RDS_DATA
RDS_CLK
RDS_CLK
68
DMP_TX_OUT
30
DC_CONT
28
A.CAL MIC LEVEL/DSP_MASTER
91
MIC_GAIN
26
MONO/ST_DET
MONO_ST_DET
GAIN_CONT
A.CAL
DC_CONT
GAIN_CONT
A.CAL
DC_CONT
TXD
RXD
DET
RXD
DET
PLUG_DET1
PLUG_DET2
ASEL1
ASEL0
ASEL0
L-IN
R-IN
R-CH
ASEL1
90
JACK1/JACK2/S-ART DET
66
IO_RESET/ASEL1
85
IO_CE/ASEL0
84
DMP_RX_IN
29
DMP_DET
89
RF
SECTION
B
VIDEO
SECTION
G
• R-ch is omitted due to same as L-ch.
POWER
SECTION
I
• SIGNAL PATH
: TUNER
: VIDEO
IC411
(DZ270/HDZ278)
IC411
(DZ260)
6-3. BLOCK DIAGRAM – AUDIO Section –
(Page 32)
(Page 32)
(Page 33)
(Page 33)
(Page 35)
(Page 36)
Ver. 1.1
HCD-DZ260/DZ270/HDZ278
HCD-DZ260/DZ270/HDZ278
35
35
14 PWM_B
6 PWM_A
5
4
RESET
SD
OUT_B
31
3
1
2
6
DATA
36 XFSIIN
AMP_D0
AMP_D2
AMP_D1
AMP_D2
AMP_D2
MCK0
BCK0
LRCK0
BCK0
LRCK0
OVF2
SCDT
SHIFT
LAT3
INIT
SCDT
SHIFT
LAT3
INIT
SOFTMUTE
AMP_D0
AMP_D1
AMP_D1
MCK0
BCK0
LRCK0
BCK0
LRCK0
OVF
SCDT
SHIFT
LAT1
INIT
SCDT
SHIFT
LAT1
INIT
SOFTMUTE
MCK0
BCK0
LRCK0
BCK0
LRCK0
SCDT
SHIFT
LAT2
INIT
SHIFT
LAT2
INIT
SOFTMUTE
PLUG_DET2
BCKO
LRCKO
MCKO
LRCKO
MCKO
30 BCK
29 LRCK
25 OVF FLAGL
24 OVF FLAGR
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
29 LRCK
25 OVF FLAGL
24 OVF FLAGR
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
OUTR1(+)
4
OUTR2(–)
11
OUTL1(+)
9
OUTL2(–)
48
XFS0IN
38
FS0I
25
-
27
28
28
-
30
OUT_A
LPF
SUBWOOFER
TB3901
TB100
SPEAKER
CENTER
PHONES
J101
IC3400
DIGITAL POWER AMP
PLUG DET2
HPMUTE
Q107,109,
Q106,108
Q106,108
MUTE
Q3081
H/P MUTE
DRIVE
L
R
IC3001
HEADPHONE AMP
LPF
Q3251,3252
DC BALANCE
DETECT
D3551
6 PWM_A
14 PWM_B
5
4
RESET
SD
OUT_B
25
-
27
28
28
-
30
OUT_A
LPF
IC3300
DIGITAL POWER AMP
LPF
Q3301,3302
DC BALANCE
DETECT
14 PWM_B
HP
HP
HP
HP
WF
WF
C
C
FR
FR
FL
FL
SR
SR
SL
SL
6 PWM_A
5
4
RESET
SD
OUT_B
25
-
27
28
28
-
30
OUT_A
LPF
IC3100
DIGITAL POWER AMP
LPF
Q3101,3102
DC BALANCE
DETECT
6 PWM_A
14 PWM_B
5
4
RESET
SD
OUT_A
28
-
30
25
25
-
27
OUT_B
LPF
IC3150
DIGITAL POWER AMP
IC3051
CLOCK
OSCILLATOR
LPF
Q3151,3152
DC BALANCE
DETECT
14 PWM_B
6 PWM_A
5
4
RESET
SD
OUT_B
25
-
27
28
28
-
30
OUT_A
LPF
IC3200
DIGITAL POWER AMP
IC3020
S-MASTER PROCESSOR
IC3010
S-MASTER PROCESSOR
IC501 (4/5)
SYSTEM CONTROLLER
D3071 – D3073
IC3030
S-MASTER PROCESSOR
LPF
Q3401,3402
DC BALANCE
DETECT
6 PWM_A
14 PWM_B
5
4
RESET
SD
OUT_A
28
-
30
25
25
-
27
OUT_B
M+14V
LPF
IC3250
DIGITAL POWER AMP
LPF
Q3202,3201
DC BALANCE
DETECT
Q3551
DC BALANCE
PROTECT
Q3552 – 3555
B+ DOWN PROTECT
D3552
EN
+31V
Q631,632
BUFFER
FAN
DRIVE
Q3000 – 3002
31
6
DATA
36 XFSIIN
30 BCK
29 LRCK
25 OVF FLAGL
24 OVF FLAGR
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
30 BCK
29 LRCK
25 OVF FLAGL
24 OVF FLAGR
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
2
1
5
6
OUTR1(+)
41
HPOUTR1
39
HPOUTR2
45
HPOUTL1
43
HPOUTL2
53
HP_MUTE
52
1
DAMP_SCDT/DIR_DIN
2
DAMP_SHIFT/DIR_CLK
65
DAMP LATCH1
56
DAMP LATCH2
49
DAMP LATCH3
50
DAMP INIT
51
DAMP SOFT MUTE
44
OVERFLOW1
45
OVERFLOW2
HPMUTE
SCDT
SHIFT
LAT1
LAT2
LAT3
LAT2
LAT3
INIT
SOFTMUTE
OVF
OVF2
EN
DIAG
DC-DET
42
DRIVE RST(EN)
43
SD(DIAG)/PVDD_DET
57
DC_DET
4
OUTR2(–)
11
OUTL1(+)
9
OUTL2(–)
48
XFS0IN
14
XFS0OUT
X3051
49.1MHZ
38
FS0I
37
FS0CKOUT
31
6
DATA
IC3003
DATA SELECT
36 XFSIIN
30 BCK
29 LRCK
25 OVF FLAGL
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
30 BCK
29 LRCK
25 OVF FLAGL
21 SCDT
22 SCSHIFT
23 SCLATCH
27 INIT
19 SOFTMUTE
24 OVF FLAGR
24 OVF FLAGR
OUTR1(+)
4
OUTR2(–)
11
OUTL1(+)
9
OUTL2(–)
48
XFS0IN
14
XFS0OUT
38
FS0I
5
7
6
(+)
(–)
(–)
(+)
FRONT R
SPEAKER
FRONT L
(+)
(–)
SUR R
(+)
(–)
SUR L
(+)
(–)
(+)
(–)
FAN3001
DC FAN
H
POWER
SECTION
F
AUDIO
SECTION
15
13
X501
5MHz
M_ST
Xin
Xout
19
DIRCSFLAG
AMP_D0 – D3
A
RF
SECTION
• SIGNAL PATH
: TUNER
6-4. BLOCK DIAGRAM – AMP Section –
(Page 32)
(Page 34)
(Page 36)
HCD-DZ260/DZ270/HDZ278
HCD-DZ260/DZ270/HDZ278
36
36
94 AD KEY2
21
FL_CLK/LED_CLK
30
VEE
F1
S2 – 16
FL100
FLUORESCENT
INDICATOR
TUBE
T100
DC/DC
CONVERTER
TRANSFORMER
T901
MAIN
TRANSFORMER
D931
+31V
(DIGITAL AMP)
D901
D905
T903
SUB
TRANSFORMER
Q100
DC/DC
CONVER
TER
D100
D101
24
FL_D_OUT/LED_DATA
23
FUNCTION
KEY
S102 – 104
IC501 (5/5)
SYSTEM CONTROL
IC100
FL DISPLAY
DRIVER
95 AD KEY1
FUNCTION
KEY
S100,101
10 ENA
ROTARY
ENCODER
S107
VOLUME
11 ENB
12 RESET
E4V
20 AC CUT
4 SIRCS_IN
97 AD KEY0
7 VIN
4 VCC
Q922
+21V REG.
PC902
FEED BACK
PC904
STANDBY
CONTROL
Q930 – 932
POWER
CONTROL
IC922
SHUNT REG.
IC921
SWITCHING
REGULATOR
IC506
+3.3V REG.
IC505
+5V REG.
IC507
+5V REG.
IC504
+5V REG.
IC201
+5V REG.
IC620
+5V REG.
IC620
+5V REG.
IC931
SHUNT REG.
IC1105
+3.3V REG.
IC1107
+3.3V REG.
IC1708
+3.3V REG.
IC502
+5V REG.
IC102
+3.3V REG.
IC3050
+1.8V REG.
D902
D923
Q921
D947
D502
PS954
P.CONT3
P.CONT3
E4V
E+4V
6V
+6V
E3.3V
BUP3.3V
DZ904
2 FB
1 ZC
1 ZC
9 D
3 C
4 VCC
IC901
SWITCHING
REGULATOR
F901
LF901,902
FILTER
PC901
FEED BACK
PC903
STANDBY
CONTROL
Q943,947
POWER DOWN
DETECT
Q949,950
POWER
PROTECT
EN
EN
5 FB
8 CLK
7 DIN
9 STB
7 DIN
9 STB
FUNCTION
KEY
S105,106
D505
74 KEY INT
!
S108
15
–
29
G1 – 12
DZ270/HDZ278
DZ260/HDZ278
DZ260/DZ270
DZ260
42
–
31
F2
F1
F2
F2
5V
13
15
X501
5MHz
FL_CS/STB
40
P.CONT2
39
P.CONT1
P.CONT2
+3.3V5
+3.3V4
USB 5V
VBUS_SW
A+5V
+5V
D3.3V
+1.8V
5V
(FL)
SW3.3V
VIDEO 5V
(DMPORT)
+1.8V
(IC1101)
+5V
(IC400)
+5V
(IC404)
+3.3V3
(IC1101)
VDD3.3V
(IC1101)
RF+3.3V
P.CONT1
41
WRITE EMP P_CONT3
X OUT
X IN
Q503
RESET
IC503
RESET
IC101
REMOTE
CONTROL
RECEIVER
D911
PS956
D916
D941
Q945
B+ SWITCH
D912
M+14V
M+9V
P.CONT1
12V
M+14V
M+9V
+9V
A12V
IC941
+12V REG.
IC413
+9V REG.
IC1110
+1.8V REG.
IC413
+9V REG.
AC IN
Q901
ON/OFF SWITCH
H
AMP
SECTION
I
AUDIO
SECTION
DZ270/HDZ278
DZ260
DZ270/HDZ278
DZ260
6-5. BLOCK DIAGRAM – POWER Section –
(Page 34)
(Page 35)
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