DOWNLOAD Sony CMT-HP8V / HCD-HP8V Service Manual ↓ Size: 6.29 MB | Pages: 80 in PDF or view online for FREE

Model
CMT-HP8V HCD-HP8V
Pages
80
Size
6.29 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cmt-hp8v-hcd-hp8v.pdf
Date
PREV: Sony CMT-HP8V Service Manual

Sony CMT-HP8V / HCD-HP8V Service Manual ▷ View online

45
45
HCD-HP8V
8-14. Printed Wiring Boards — PWR AMP/Power Section —   
• See page 28 for Circuit Boards Location.
• 
 : Uses unleaded solder.
1
2
3
4
EXCEPT TH
EXCEPT TH
EXCEPT TH
EXCEPT TH
EXCEPT TH
EXCEPT TH
EXCEPT TH
EXCEPT TH
T902
TH
TH
TH
TH
TH
TH
S902
120V
VOLTAGE SELECTOR
EXCEPT TH
CN906
4P : EXCEPT TH
2P : TH
TH
(CHASSIS)
(CHASSIS)
T901
POWER TRANSFORMER (MAIN)
POWER TRANSFORMER (SUB)
PWR TRANS BOARD
PWR AMP BOARD
SENSOR (FAN)BOARD
SUB TRANS BOARD
1
2
3
4
5
6
7
8
9
10
12
13
14
11
1
1
1
3    
9
4
1
2
3
4
2
3
5
4
6
7
220V
230-240V
G
TO
MAIN
BOARD
CN401
(Page 41)
F
TO
MAIN
BOARD
CN404
(Page 41)
1
1
3
4
*
CN905
4P : EXCEPT TH
2P : TH
*
*
1
3
E
E
E
E
E
E
E
E
2
1
E
E
E
E
E
E
E
1
2
1-689-248-
1-689-245-
1-689-246-
1-689-250-
L
R
SPEAKER
(IMPEADANCE USE 6-16    )
1
2
3
4
5
6
IC501
1
2
3
4
6
8
3
4
1
2
AC IN
C529
C527
C528
C532
C530
R551
R550
C531
12
12
12
12
12
12
1
2
A
B
C
D
E
F
3
4
5
6
7
Ref. No.
Location
D501
D-2
D502
E-2
D503
E-1
D504
E-2
D505
E-4
D506
E-4
D507
F-4
D508
F-4
D509
E-4
D901
C-6
D902
C-6
D903
D-6
D904
D-6
D905
D-7
D907
B-2
IC501
F-2
Q501
E-2
Q502
E-2
Q503
E-1
Q504
E-3
Q505
F-3
Q506
E-3
Q507
E-4
Q508
E-4
Q509
D-3
Q510
D-4
Q511
D-3
Q512
E-4
Q513
E-4
Q514
E-3
Q515
E-3
• Semiconductor
Location
46
46
HCD-HP8V
8-15. Schematic Diagram — PWR AMP/Power Section —   
• See page 49 for IC Block Diagrams.
0
0
0
0
0
0
0
0
0
39.4
0.6
40.7
-40.7
2.7
9.7
39.4
3.2
0
0
9.7
0
0
0
0
0
9.6
0.6
0.7
15.1
14.4
14.3
0
0
0
0.2
10
0
9.9
0
0
3.3
0.8
3.9
9.9
0.4
0.2
0.9
No mark:FM
FAN
3P
FAN DRIVE
FAN DRIVE
PROTECT SWITCH
PROTECT
SWITCH
PROTECT
SWITCH
PROTECT
  CONT
Q507,508 PROTECT DETECT
(TO CHASSIS)
RELAY DRIVE
MUTE
FAN
SWITCH
Q502,503
OVER LOAD
DETECTOR
Q504,506
OVER HEAT
DETECTOR
R548
100
100
R549
+
+
-
-
SPEAKER
IMPEADANCE
USE 6-16Ω
IC501
POWER AMP
4P
SENSOR (FAN)
    BOARD
PWR AMP BOARD
*
*
SUB TRANS BOARD
POWER TRANSFORMER
(SUB)
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*CN905
4P:EXCEPT TH
2P:TH
S902
VOLTAGE SELECTOR
EXCEPT TH
EXCEPT TH
120V
220V
230-240V
4P
PWR TRANS BOARD
POWER TRANSFORMER
(MAIN)
*
*CN906
4P:EXCEPT TH
2P:TH
TO
MAIN
BOARD
CN401
(Page 42)
G
9P
TO
MAIN
BOARD
CN404
(Page 42)
F
2P
2P
13P
1000U
JW912
16V
TH
JW901 
JW902
JW903 
JW904 
JW905
JW906 
JW907 
JW908 
JW909 
JW911
JW912
JW913
JW914
JW915
EXCEPT TH
*
JW911
C531
C532
C528
C527
0.1U
0.1U
4.7K
4.7K
C530
R550
R551
C529 
220P
220P
1K
1K
JR505
JR504
220P
10K
R520
10 1/2W
C524
0.1U
C526
0.1U
R521
10 1/2W
C523
0.1U
C525
0.1U
47K
2SC3143S
2SC3143S
47K
56K
JR502
C516
0.22U
0.22U
JR503
2.2
47
HCD-HP8V
8-16. IC Block Diagrams
— BD Board —
IC103  CXA2581N-T4
— PANEL Board —
IC002  M65850FP
IC602  MM1574A
RW/ROM
RW/ROM
EQ ON/OFF
VOFST
VOFST
DVC
VC
VC
VC
RW/ROM
VC
DVC
30
29
28
+
–
+
–
DVC
VCC
DVC
27
26
25
24
RW/ROM
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
RW/ROM
VC
RW/ROM
DVC
+
–
3
A
B
C
D
B
C
A
A
A
B
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
RW/ROM
APC-OFF
(Hi-Z)
RW/ROM
(H/L)
VOFST
VC
RW/ROM
+
–
10
11
GM
GM
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
F
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
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
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
1
16
NC
NC
BIAS
THERMAL
SHUTDOWN
CURRENT
LIMITTER
REFERENCE
DRIVER
1
2
3
5
4
VIN
GND
CONT
NOISE
VO
48
HCD-HP8V
— VMP Board —
IC506  BU2507FV-E2
14
GND
13
AO1
12
DI
11
CLK
10
LD
9
AO6
8
VCC
1
VSS
(VREFL)
2
AO2
3
AO3
4
RESET
5
AO4
6
AO5
7
VDD
(VREFH)
14BIT
SHIFT REGISTER
ADDRESS
DECODER
D0 – D9
D10 – D13
10BIT R-2R
D/A CONVERTER
10BIT R-2R
D/A CONVERTER
10BIT LATCH
10BIT LATCH
10BIT R-2R
D/A CONVERTER
10BIT LATCH
10BIT LATCH
10BIT R-2R
D/A CONVERTER
10BIT R-2R
D/A CONVERTER
10BIT LATCH
10BIT R-2R
D/A CONVERTER
10BIT LATCH
CH2
CH3
CH4
CH5
CH1
CH6
IC307  BD7600FV-E2
1
BUFOUT
2
STBY
3
IN
4
GND
8 BUFIN
7 VCC
6 OUT
5 OUTSAG
8dB
9dB
LPF
CLAMP
GND
VCC
IC504  PCM1748E/2K
SCK
1 2 3
7 8
4
5
6
SERIAL
INPUT
INTERFACE
10
9
BCK
DATA
LRCK
VOUTL
VOUTR
DGND
VDD
VCC
VCOM
AGND
FUNCTION
CONTROL
INTERFACE
SYSTEM
CLOCK
MANAGER
8 TIME OVER
SAMPLING
DIGITAL FILTER
WITH
FUNCTION
CONTROLLER
ENHANCED
MULTI-LEVEL
DELTA-SIGMA
MODULATOR
D/A
CONVERTER
D/A
CONVERTER
OUTPUT AMP AND
LOW-PASS FILTER
OUTPUT AMP AND
LOW-PASS FILTER
ZERO DETECT
POWER SUPPLY
12
11
ZEROL
ZEROR
15
14
ML
MC
16
13
MD
SYSTEM
CLOCK
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