Hfe Sony Str-da30es Da50es V55es Service 2f5817
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STR-DA30ES/DA50ES/V55ES SERVICE MANUAL
US Model Canadian Model STR-DA30ES/DA50ES
AEP Model UK Model E Model Australian Model PX Model STR-DA50ES Photo : STR-DA50ES
Chinese Model STR-V55ES
Manufactured under license from Dolby Laboratories Licensing Corporation. DOLBY, the double-D symbol a , AC-3, the Dolby Digital and “PRO LOGIC” are trademarks of Dolby Laboratories Licensing Corporation.
SPECIFICATIONS AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: With 8 ohm loads, both channels driven, from 20 - 20,000 Hz; rated 120 watts (80 watts: DA30ES) per cannel minimum RMS power, with no more than 0.05% total harmonic distortion from 250 milliwatts to rated output (USA model only). Amplifier section POWER OUTPUT Stereo mode (8 ohms 20 Hz – 20 kHz, THD 0.05%) 120 W + 120 W (DA50ES/V55ES) 80W + 80W (DA30ES) (4 ohms 20 Hz – 20 kHz, THD 0.05%) 100 W + 100 W (DA50ES/V55ES) 70W + 70W (DA30ES) Surround mode (8 ohms at 1 kHz, THD 0.05%) Front: 120W + 120W (DA50ES/V55ES) 80W + 80W (DA30ES) Centera): 120W (DA50ES/V55ES) 80W (DA30ES) Reara): 120W + 120W (DA50ES/V55ES) 80W + 80W (DA30ES) (4 ohms at 1kHz, THD 0.05%) Front: 100W + 100W (DA50ES/V55ES) 70W + 70W (DA30ES) Centera): 100W (DA50ES/V55ES) 70W (DA30ES) Reara): 100W + 100W (DA50ES/V55ES) 70W + 70W (DA30ES) a) Depending on the sound field settings and the source, there may be no sound output.
MICROFILM
Frequency response PHONO: RIAA equalization curve ±0.5 dB CD, TAPE, MD/DAT, DVD/LD, DVD TV/DBS, TV/LD, VIDEO 1, 2, and VIDEO 3: 10 Hz - 50 kHz +0.5/-2 dB (with sound field, tone, and bass booster byed) Inputs (Analog) PHONO: Sensitivity: 2.5 mV Impedance: 50 kilohms S/Nb): 75 dB (A, 2.5 mVc)) CD, DVD/LD, DVD/TAPE, MD/DAT. TV/ DBS, TV/LD, 5.1 INPUT, VIDEO 1, 2, AND VIDEO 3: Sensitivity: 150 mV Impedance: 50 kilohms S/Nb): 82 dB (A, 150 mVc)) b) 78’IHF c) Weighted network, input level Inputs (Digital) DVD/LD, DVD (coaxial): Sensitivity: 0.5 Vp-p Impedance: 75 ohms S/N: 100 dB (A, 20 kHz LPF) CD, DVD/LD, DVD, TV/DBS, TV/LD, MD/DAT (Optical): S/N: 100 dB (A, 20 kHz LPF) — Continued on next page —
FM STEREO FM-AM RECORDER
4-5. SCHEMATIC DIAGRAM — DIGITAL SECTION (1/2) —
— 17 —
STR-DA30ES/DA50ES/V55ES
• See page 21 for printed wiring board. • See page 66, 67 for IC Pin Functions. • See page 16 for Waveforms. • See page 57 for IC Block Diagrams.
— 18 —
4-6. SCHEMATIC DIAGRAM — DIGITAL SECTION (2/2) —
STR-DA30ES/DA50ES/V55ES
— 19 —
• See page 63 for IC Pin Functions. • See page 16 for Waveforms. • See page 57 for IC Block Diagrams.
— 20 —
4-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) —
• See page 59 for IC Block Diagrams.
— 25 —
— 26 —
STR-DA30ES/DA50ES/V55ES
4-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) —
STR-DA30ES/DA50ES/V55ES
— 27 —
• See page 23 for Printed Wiring Board. • See page 59 for IC Block Diagrams.
— 28 —
Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
4-11. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) —
— 29 —
• See page 23 for Printed Wiring Board.
— 30 —
Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
STR-DA30ES/DA50ES/V55ES
Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
4-12. SCHEMATIC DIAGRAM — AMP SECTION —
STR-DA30ES/DA50ES/V55ES
— 31 —
— 32 —
4-14. SCHEMATIC DIAGRAM — VIDEO SECTION —
STR-DA30ES/DA50ES/V55ES • See page 60 for IC Block Diagrams.
— 35 —
— 36 —
4-16. SCHEMATIC DIAGRAM — DISPLAY SECTION —
STR-DA30ES/DA50ES/V55ES • See page 61 for IC Pin Functions. • See page 16 for Waveforms. • See page 59 for IC Block Diagrams.
— 39 —
— 40 —
4-18. SCHEMATIC DIAGRAM — SPEAKER SECTION —
STR-DA30ES/DA50ES/V55ES • See page 59 for IC Block Diagrams.
— 43 —
— 44 —
Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
4-21. SCHEMATIC DIAGRAM — AUDIO SECTION —
• See page 60 for IC Block Diagrams.
— 49 —
4-22. SCHEMATIC DIAGRAM — INPUT SECTION —
— 50 —
5-24. SCHEMATIC DIAGRAM — POWER SECTION —
STR-DA30ES/DA50ES/V55ES • See page 59 for IC Block Diagrams.
— 53 —
— 54 —
Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
4-26. IC BLOCK DIAGRAMS
LRCK
DATA OUT
BCLK
SUB 2
SUB 1
D GND
ERROR
CLK OUT2
CLK OUT1
X OUT
X IN
D VDD
IC1101 CXD8495AQ (DIGITAL BOARD)
36
35
34
33
32
31
30
29
28
27
26
25
TIMING GENERATOR
X' TAL OSC
LD/DQSY 37
24 D GND
SRDT 38 D0 39 DI/SWDT 40 CE/XLAT 41
CD SUB-CODE DETECTION
MICRO COMPUTER INTERFACE
23 SBCK MUTING OUTPUT ERROR LOCK DETECTION
22 SFSY 21 PW 20 SBSY
CL/SCLK 42
19 D VDD
D VDD 43 PLL CIRCUIT
18 VCO
MULTI PLEXER
DIN1 44 DIN2 45 DIN3 46
DATA DEMODULATOR
17 V IN 16 A GND 15 R
DIN4 47
14 A VDD 13 N.C.
DGND 48
9
10
11
12 D VDD
8
X MODE
RC2
5
TEST2
RC1
7
TEST1
EMPHA
6
CLK
4
CLKMD
3
D GND
2
CCB/SUB
1 DOUT/V
TEST
29
CLK IN CLKSEL FILTD FILTS VDDA VSSA
30 31 32 33 34 35
PLL CLOCK MANAGER
RESET
36
RAM INPUT BUFFER
DD DC
37 38
COMPRESSED DATA INPUT INTERFACE SP DIF RECEIVER
RAM ROM PROGRAM MEMORY PROGRAM MEMORY ROM DATA MEMORY
ABOOT, INTREQ
SCDIO, SCDOUT, PSEL, GPIO9
CS
SDATAN1
26 25 24 23 22
21
20
19
18
DIGITAL AUDIO INPUT INTERFACE
17 16 15 14 13 12 11 10 9 8 7
FRAMER SHIFTER INPUT BUFFER CONTROLLER
RAM DATA MEMORY
PARALLEL or SERIAL HOST INTERFACE 24-Bit DSP PROCESSING
RAM OUTPUT BUFFER
1 2
3
4
5
6
XMT958
WR, DS, EMWR, GPIO10
RD, R/W, EMOE, GPIO11
A1, SCDIN
42 43 44
VDD1 VSS1
39 40 41
LRCLK SCLK MCLK
OUTPUT FORMATTER
AUDATA2 AUDATA1 AUDATA0
STC
27
EXTMEM, GPIO8
28 CMPREQ,LRCKN2
LRCKN1 SCLKN1, STCCLK2 VSS3 VDD3
CMPCLK, SCLKN2 CMPDAT, RCV958, SDATAN2
IC1106 CS4926 (DIGITAL BOARD)
— 57 —
DATA0,EMAD0,GPIO0 DATA1,EMAD1,GPIO1 DATA2,EMAD2,GPIO2 DATA3,EMAD3,GPIO3 VSS2 VDD2 DATA4,EMAD4,GPIO4 DATA5,EMAD5,GPIO5 DATA6,EMAD6,GPIO6 DATA7,EMAD7,GPIO7 A0,SCCLK
IC1109 TC74VHC393FT(EL) (DIGITAL BOARD) 14
13
12
11
10
9
8
QA QB QC A CLEAR
QD
IC3310 TC74HC151AF (DIGITAL BOARD)
D3 1
VCC
CLEAR A QA QB QC
QD GND
1
2
3
4
5
6
7
16 VCC
D2 2
D2 D3 D4
15 D4
D1 3
D1
D5
14 D5
D0 4
D0
D6
13 D6
Y 5
Y
D7
12 D7
XY 6
W
A
11 A
OE 7
S
B
10 B
C
GND 8
9 C
IC1202 AK4324-VF-E2 (DIGITAL BOARD)
DVSS DVDD CKS MCLK PD
BICK SDATA LRCK SMUTE DFS DEM0 DEM1
1 2 3 4 5
24 23 22 21 20 19 18
CLOCK DIVIDER
6 7 8 9 10 11 12
8x INTERPOLATOR
∆∑ MODULATOR
SCF
8x INTERPOLATOR
∆∑ MODULATOR
SCF
DZFL DZFR AVDD VREF AVSS AOUTL+ AOUTL–
17 AOUTR+ 16 AOUTR– 15 DIF2 14 DIF1 13 DIF0
SERIAL INPUT INTERFACE
DEEMPHASIS CONTROL
AGND
VA
VD
DGND
VB
CMODE
MCLK
SMODE2
SMODE1
SCLK
LRCK
FSYNC
IC1210 AK5352-VF-E2 (DIGITAL BOARD)
5
4
12
13
24
22
17
15
23
18
19
20
Serial Output Interface
Clock Divider
1
AINR–
2
Modulator
16
9
8
10
11
14 TST4
AINR+
Digital Decimation Filter
Modulator
TST3
7
TST2
AINL–
TST1
6
HPFE
AINL+
Voltage Reference
PD
VREF 3
— 58 —
21 SDATA
IC202,203
LC7821 (MAIN/AUDIO BOARD)
L1
1
30 R1
L2
2
29 R2
L3
3
28 R3
L4
4
27 R4
L COM1
5
26 R COM1
L5
6
25 R5
L6
7
24 R6
L COM2
8
23 R COM2
L7
9
22 R7
L8 10
21 R8
L COM3 11
20 R COM3
LEVEL SHIFT
19 VDD
VEE 12
DI
14
CL 15
18 RES
LATCH
CONTROL
CE 13
17 S SHIFT RESISTER
16 VSS
BUFFER
IC901
NJM2103D (PS BOARD)
CR
1
VSC
2
8
RESET
– + VREF
7 VSA
+ –
OUTC
3
GND
4
6
VSB/SESIN
5
V+
Q R
IC103
LB1638M (DISPLAY BOARD)
S
+ –
IC501,601,701
+ –
uPC2581V (S.AMP/MAIN BOARD)
10 N.C.
GND 1
8 VS
REG
PRE DRIVE
DRIVE
PRE DRIVE
DRIVE
3
4
5
6
7
8
9
10
11
12
13 14 15
MF1
IN1
GND
IN2
NF2
COMP2
– VOUT2
+ VOUT2
VCC1
— 59 —
VCC2 VEE
2
COMP1
6 N.C.
1
– VOUT1
7 OUT2
IN2 4 GND 5
PROTECTOR
+ VOUT1
VCC 3
9 OUT1
MUTE
IN1 2
CONTROL LOGIC
BIAS CIRCUIT
US Model Canadian Model STR-DA30ES/DA50ES
AEP Model UK Model E Model Australian Model PX Model STR-DA50ES Photo : STR-DA50ES
Chinese Model STR-V55ES
Manufactured under license from Dolby Laboratories Licensing Corporation. DOLBY, the double-D symbol a , AC-3, the Dolby Digital and “PRO LOGIC” are trademarks of Dolby Laboratories Licensing Corporation.
SPECIFICATIONS AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: With 8 ohm loads, both channels driven, from 20 - 20,000 Hz; rated 120 watts (80 watts: DA30ES) per cannel minimum RMS power, with no more than 0.05% total harmonic distortion from 250 milliwatts to rated output (USA model only). Amplifier section POWER OUTPUT Stereo mode (8 ohms 20 Hz – 20 kHz, THD 0.05%) 120 W + 120 W (DA50ES/V55ES) 80W + 80W (DA30ES) (4 ohms 20 Hz – 20 kHz, THD 0.05%) 100 W + 100 W (DA50ES/V55ES) 70W + 70W (DA30ES) Surround mode (8 ohms at 1 kHz, THD 0.05%) Front: 120W + 120W (DA50ES/V55ES) 80W + 80W (DA30ES) Centera): 120W (DA50ES/V55ES) 80W (DA30ES) Reara): 120W + 120W (DA50ES/V55ES) 80W + 80W (DA30ES) (4 ohms at 1kHz, THD 0.05%) Front: 100W + 100W (DA50ES/V55ES) 70W + 70W (DA30ES) Centera): 100W (DA50ES/V55ES) 70W (DA30ES) Reara): 100W + 100W (DA50ES/V55ES) 70W + 70W (DA30ES) a) Depending on the sound field settings and the source, there may be no sound output.
MICROFILM
Frequency response PHONO: RIAA equalization curve ±0.5 dB CD, TAPE, MD/DAT, DVD/LD, DVD TV/DBS, TV/LD, VIDEO 1, 2, and VIDEO 3: 10 Hz - 50 kHz +0.5/-2 dB (with sound field, tone, and bass booster byed) Inputs (Analog) PHONO: Sensitivity: 2.5 mV Impedance: 50 kilohms S/Nb): 75 dB (A, 2.5 mVc)) CD, DVD/LD, DVD/TAPE, MD/DAT. TV/ DBS, TV/LD, 5.1 INPUT, VIDEO 1, 2, AND VIDEO 3: Sensitivity: 150 mV Impedance: 50 kilohms S/Nb): 82 dB (A, 150 mVc)) b) 78’IHF c) Weighted network, input level Inputs (Digital) DVD/LD, DVD (coaxial): Sensitivity: 0.5 Vp-p Impedance: 75 ohms S/N: 100 dB (A, 20 kHz LPF) CD, DVD/LD, DVD, TV/DBS, TV/LD, MD/DAT (Optical): S/N: 100 dB (A, 20 kHz LPF) — Continued on next page —
FM STEREO FM-AM RECORDER
4-5. SCHEMATIC DIAGRAM — DIGITAL SECTION (1/2) —
— 17 —
STR-DA30ES/DA50ES/V55ES
• See page 21 for printed wiring board. • See page 66, 67 for IC Pin Functions. • See page 16 for Waveforms. • See page 57 for IC Block Diagrams.
— 18 —
4-6. SCHEMATIC DIAGRAM — DIGITAL SECTION (2/2) —
STR-DA30ES/DA50ES/V55ES
— 19 —
• See page 63 for IC Pin Functions. • See page 16 for Waveforms. • See page 57 for IC Block Diagrams.
— 20 —
4-9. SCHEMATIC DIAGRAM — MAIN SECTION (1/3) —
• See page 59 for IC Block Diagrams.
— 25 —
— 26 —
STR-DA30ES/DA50ES/V55ES
4-10. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) —
STR-DA30ES/DA50ES/V55ES
— 27 —
• See page 23 for Printed Wiring Board. • See page 59 for IC Block Diagrams.
— 28 —
Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
4-11. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) —
— 29 —
• See page 23 for Printed Wiring Board.
— 30 —
Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
STR-DA30ES/DA50ES/V55ES
Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
4-12. SCHEMATIC DIAGRAM — AMP SECTION —
STR-DA30ES/DA50ES/V55ES
— 31 —
— 32 —
4-14. SCHEMATIC DIAGRAM — VIDEO SECTION —
STR-DA30ES/DA50ES/V55ES • See page 60 for IC Block Diagrams.
— 35 —
— 36 —
4-16. SCHEMATIC DIAGRAM — DISPLAY SECTION —
STR-DA30ES/DA50ES/V55ES • See page 61 for IC Pin Functions. • See page 16 for Waveforms. • See page 59 for IC Block Diagrams.
— 39 —
— 40 —
4-18. SCHEMATIC DIAGRAM — SPEAKER SECTION —
STR-DA30ES/DA50ES/V55ES • See page 59 for IC Block Diagrams.
— 43 —
— 44 —
Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
4-21. SCHEMATIC DIAGRAM — AUDIO SECTION —
• See page 60 for IC Block Diagrams.
— 49 —
4-22. SCHEMATIC DIAGRAM — INPUT SECTION —
— 50 —
5-24. SCHEMATIC DIAGRAM — POWER SECTION —
STR-DA30ES/DA50ES/V55ES • See page 59 for IC Block Diagrams.
— 53 —
— 54 —
Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
Note: Les composants identifiés par une marque ! sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
4-26. IC BLOCK DIAGRAMS
LRCK
DATA OUT
BCLK
SUB 2
SUB 1
D GND
ERROR
CLK OUT2
CLK OUT1
X OUT
X IN
D VDD
IC1101 CXD8495AQ (DIGITAL BOARD)
36
35
34
33
32
31
30
29
28
27
26
25
TIMING GENERATOR
X' TAL OSC
LD/DQSY 37
24 D GND
SRDT 38 D0 39 DI/SWDT 40 CE/XLAT 41
CD SUB-CODE DETECTION
MICRO COMPUTER INTERFACE
23 SBCK MUTING OUTPUT ERROR LOCK DETECTION
22 SFSY 21 PW 20 SBSY
CL/SCLK 42
19 D VDD
D VDD 43 PLL CIRCUIT
18 VCO
MULTI PLEXER
DIN1 44 DIN2 45 DIN3 46
DATA DEMODULATOR
17 V IN 16 A GND 15 R
DIN4 47
14 A VDD 13 N.C.
DGND 48
9
10
11
12 D VDD
8
X MODE
RC2
5
TEST2
RC1
7
TEST1
EMPHA
6
CLK
4
CLKMD
3
D GND
2
CCB/SUB
1 DOUT/V
TEST
29
CLK IN CLKSEL FILTD FILTS VDDA VSSA
30 31 32 33 34 35
PLL CLOCK MANAGER
RESET
36
RAM INPUT BUFFER
DD DC
37 38
COMPRESSED DATA INPUT INTERFACE SP DIF RECEIVER
RAM ROM PROGRAM MEMORY PROGRAM MEMORY ROM DATA MEMORY
ABOOT, INTREQ
SCDIO, SCDOUT, PSEL, GPIO9
CS
SDATAN1
26 25 24 23 22
21
20
19
18
DIGITAL AUDIO INPUT INTERFACE
17 16 15 14 13 12 11 10 9 8 7
FRAMER SHIFTER INPUT BUFFER CONTROLLER
RAM DATA MEMORY
PARALLEL or SERIAL HOST INTERFACE 24-Bit DSP PROCESSING
RAM OUTPUT BUFFER
1 2
3
4
5
6
XMT958
WR, DS, EMWR, GPIO10
RD, R/W, EMOE, GPIO11
A1, SCDIN
42 43 44
VDD1 VSS1
39 40 41
LRCLK SCLK MCLK
OUTPUT FORMATTER
AUDATA2 AUDATA1 AUDATA0
STC
27
EXTMEM, GPIO8
28 CMPREQ,LRCKN2
LRCKN1 SCLKN1, STCCLK2 VSS3 VDD3
CMPCLK, SCLKN2 CMPDAT, RCV958, SDATAN2
IC1106 CS4926 (DIGITAL BOARD)
— 57 —
DATA0,EMAD0,GPIO0 DATA1,EMAD1,GPIO1 DATA2,EMAD2,GPIO2 DATA3,EMAD3,GPIO3 VSS2 VDD2 DATA4,EMAD4,GPIO4 DATA5,EMAD5,GPIO5 DATA6,EMAD6,GPIO6 DATA7,EMAD7,GPIO7 A0,SCCLK
IC1109 TC74VHC393FT(EL) (DIGITAL BOARD) 14
13
12
11
10
9
8
QA QB QC A CLEAR
QD
IC3310 TC74HC151AF (DIGITAL BOARD)
D3 1
VCC
CLEAR A QA QB QC
QD GND
1
2
3
4
5
6
7
16 VCC
D2 2
D2 D3 D4
15 D4
D1 3
D1
D5
14 D5
D0 4
D0
D6
13 D6
Y 5
Y
D7
12 D7
XY 6
W
A
11 A
OE 7
S
B
10 B
C
GND 8
9 C
IC1202 AK4324-VF-E2 (DIGITAL BOARD)
DVSS DVDD CKS MCLK PD
BICK SDATA LRCK SMUTE DFS DEM0 DEM1
1 2 3 4 5
24 23 22 21 20 19 18
CLOCK DIVIDER
6 7 8 9 10 11 12
8x INTERPOLATOR
∆∑ MODULATOR
SCF
8x INTERPOLATOR
∆∑ MODULATOR
SCF
DZFL DZFR AVDD VREF AVSS AOUTL+ AOUTL–
17 AOUTR+ 16 AOUTR– 15 DIF2 14 DIF1 13 DIF0
SERIAL INPUT INTERFACE
DEEMPHASIS CONTROL
AGND
VA
VD
DGND
VB
CMODE
MCLK
SMODE2
SMODE1
SCLK
LRCK
FSYNC
IC1210 AK5352-VF-E2 (DIGITAL BOARD)
5
4
12
13
24
22
17
15
23
18
19
20
Serial Output Interface
Clock Divider
1
AINR–
2
Modulator
16
9
8
10
11
14 TST4
AINR+
Digital Decimation Filter
Modulator
TST3
7
TST2
AINL–
TST1
6
HPFE
AINL+
Voltage Reference
PD
VREF 3
— 58 —
21 SDATA
IC202,203
LC7821 (MAIN/AUDIO BOARD)
L1
1
30 R1
L2
2
29 R2
L3
3
28 R3
L4
4
27 R4
L COM1
5
26 R COM1
L5
6
25 R5
L6
7
24 R6
L COM2
8
23 R COM2
L7
9
22 R7
L8 10
21 R8
L COM3 11
20 R COM3
LEVEL SHIFT
19 VDD
VEE 12
DI
14
CL 15
18 RES
LATCH
CONTROL
CE 13
17 S SHIFT RESISTER
16 VSS
BUFFER
IC901
NJM2103D (PS BOARD)
CR
1
VSC
2
8
RESET
– + VREF
7 VSA
+ –
OUTC
3
GND
4
6
VSB/SESIN
5
V+
Q R
IC103
LB1638M (DISPLAY BOARD)
S
+ –
IC501,601,701
+ –
uPC2581V (S.AMP/MAIN BOARD)
10 N.C.
GND 1
8 VS
REG
PRE DRIVE
DRIVE
PRE DRIVE
DRIVE
3
4
5
6
7
8
9
10
11
12
13 14 15
MF1
IN1
GND
IN2
NF2
COMP2
– VOUT2
+ VOUT2
VCC1
— 59 —
VCC2 VEE
2
COMP1
6 N.C.
1
– VOUT1
7 OUT2
IN2 4 GND 5
PROTECTOR
+ VOUT1
VCC 3
9 OUT1
MUTE
IN1 2
CONTROL LOGIC
BIAS CIRCUIT
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