Sony HCD-GZX33D / HCD-GZX55D / HCD-GZX88D Service Manual ▷ View online
HCD-GZX33D/GZX55D/GZX88D
53
IC750 PCM1754DBQR (MB BOARD (1/9))
IC765 PCM1754DBQR (MB BOARD (1/9)) (GZX55D/GZX88D)
IC765 PCM1754DBQR (MB BOARD (1/9)) (GZX55D/GZX88D)
IC780 TC7WH157FK (MB BOARD (1/9))
1
AUDIO
SERIAL
PORT
POWER
SUPPLY
SUPPLY
BCK
SYSTEM
CLOCK
2
DATA
3
LRCK
4
DGND
5
NC
6
VCC
15
SERIAL
CONTROL
PORT
FMT
14
4x/8x OVERSAMPLING DIGITAL
FILTER & FUNCTION CONTROL
ENHANCED MULTILEVEL
DELTA-SIGMA MODULATOR
D/A
CONVERTER
D/A
CONVERTER
ZERO
DETECT
OUTPUT AMP
& LOW-PASS
& LOW-PASS
FILTER
OUTPUT AMP
& LOW-PASS
& LOW-PASS
FILTER
MUTE
SYSTEM
CLOCK
MANAGER
16 SCK
13 DEMP
12 TEST
11 ZEROA
9 AGND
VLTUO
VRTUO
10 VCOM
7
8
8
SELECT
11
6
ST
11
7
A 1
2
3
A
B
Y
5
Y
B
GND 4
VCC
8
Y
EN G
Y
HCD-GZX33D/GZX55D/GZX88D
54
IC851 AM5890S (MB BOARD (3/9))
IC900 PCM1808PWR (MB BOARD (1/9))
IC920 PCM1808PWR (MB BOARD (1/9))
IC920 PCM1808PWR (MB BOARD (1/9))
Actuator
Driver (6X)
MUTE
Actuator
Driver (6X)
Spindle
Driver (4X)
Sled
Driver (4X)
Thermal
Shut down
25K
Vcc2
25K
10K
Vcc2
Vcc2
Vcc2
Vcc1
Pre-DRV
TRAY
DRIVER
10K
25K
15K
10K
Voltage
Detection
10K
+
-
+
-
+
-
+
-
+
-
+
-
28
MUTE
27
BIAS
26
VINTK
25
TRB_2
24
RESET
23
VINLD
22
GND
30
PGND
29
PGND
21
VCTL
20
VCCD
19
Vcc2
18
VOLD-
17
VOLD+
16
VOTK-
15
VOTK+
1
VINFC
2
TRB_1
3
REGO2
4
VINSL+
5
REGO1
6
FWD
7
REV
8
Vcc1
9
VOTR-
10
VOTR+
11
VOSL+
12
VOSL-
13
VOFC-
14
VOFC+
Reference
Delta Sigma
Modulator
Delta Sigma
Modulator
x1/64
Decimation
Filter
with
High Pass Filter
Power
Supply
Clock
and
Timing
Control
Antialias
LPF
Serial
Interface
Mode/
Format
Control
Control
Antialias
LPF
BCK
AIN_L
VREF
IN_R
AGND
AVCC
1
DVDD
DGND
LRCK
SDO
SCKI
FMT
MOD1
MOD0
2
3
4
5
6
7
8
9
9
10
13
14
11
12
12
HCD-GZX33D/GZX55D/GZX88D
55
IC1003, IC1005 IRS2092STRPBF-CU (MB BOARD (5/9))
IC1004 IRS2092STRPBF-CU (MB BOARD (5/9)) (GZX88D)
IC1006 IRS2092STRPBF-CU (MB BOARD (5/9)) (GZX55D/GZX88D)
IC1004 IRS2092STRPBF-CU (MB BOARD (5/9)) (GZX88D)
IC1006 IRS2092STRPBF-CU (MB BOARD (5/9)) (GZX55D/GZX88D)
CSH
16
VB
15
HO
14
VS
13
VCC
12
LO
11
COM
10
DT
9
OCSET
8
VREF
7
VAA
CLICK NOISE
ELLIMINATION
COMP
PWM MODULATOR
UV
DETECT
UV
DETECT
DEAD TIME
LOW SIDE CS
PROTECTION
CONTROL
HV
LEVEL
SHIFT
HV
LEVEL
SHIFT
HV
LEVEL
SHIFT
HV
LEVEL
SHIFT
HIGH
SIDE
CS
5V REG
UV
Q
HV
LEVEL
SHIFT
1
GND
OTA
ENABLE
VAA+VSS
FLOATING INPUT
2
2
IN- 3
COMP 4
CSD 5
VSS 6
6V
6V
CHARGE/
DISCHARGE
SD
20.4V
FLOATING HIGH SIDE
DT
20.4V
UV
DETECT
+
–
+
–
IC1501, IC1502 TC62D723FNG (MB BOARD (9/9)) (GZX88D)
IC2100 TC62D723FNG (STR BOARD)
IC2100 TC62D723FNG (STR BOARD)
Output open/short detection circuit
Error detection result
data register
Constant current output circuit
Output delay circuit
PWM
countor
POR
circuit
Reference
voltage
8-bit
DAC
16-bit x 2
State setting
register
SOUT
selection
circuit
F/F
TSD
circuit
POD
circuit
Output ON/OFF setting data register
PWM data registor
Data transfer control circuit
16-bit shift registor
Comparator
0-bit
15-bit
0-bit
15-bit
Registor 3
(for output)
(for output)
Registor 2
(for synchronous)
Registor 1
16-bit
PWM Data
for OUT0
16-bit
PWM Data
for OUT0
16-bit
PWM Data
for OUT15
16-bit
PWM Data
for OUT15
16-bit
PWM Data
for OUT15
24 VDD
25 GND
1
GND
23 REXT
22 SOUT
/OUT15
20
PWMCLK
21
/OUT0 5
/OUT1 6
TRANS 4
SIN 2
SCK 3
/OUT5 10
/OUT6 11
/OUT7 12
/OUT8 13
/OUT9 14
/OUT10 15
/OUT11 16
/OUT12 17
/OUT13 18
/OUT14 19
/OUT4 9
/OUT2 7
/OUT3 8
8
16
16
16
16
16
16
16
16
16
16
16-bit
PWM Data
for OUT1
16-bit
PWM Data
for OUT1
16-bit
PWM Data
for OUT0
16
16
16
16
16
16
16
16
16
16
16-bit
PWM Data
for OUT1
16
16
Command
control
circuit
Comparator
Comparator
HCD-GZX33D/GZX55D/GZX88D
56
IC1600, IC1601 SN74LV4052APWR (MB BOARD (1/9))
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2Y0
1Y2
VCC
1Y1
1-COM
1Y0
1Y3
A
B
GND
GND
INH
2Y1
2Y3
2-COM
2Y2
IC1650 NJM41031F1 (TE2) (MB BOARD (1/9))
CLAMP
VIN 4
VSAG
VOUT
2
POWER SAVE
1
GND 5
V+ 6
LPF
3
75
:
DRIVER
6dB
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