Pioneer X-HMD01, Service Manual

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63
X-HMD01, X-HMD03, X-HX99, H-HX05
52103 (AN8806SB) (CD PCB : IC400)
• Digital Servo Head Amplifier IC
6 7 29 27 28 8 9 10 17 11 12 19
13
14
15
16
5
18
20
21
2
3 4 1 22 23 26 25 24 30
33
32
34
31
35
36
EQ AGC
RF
DETEC-
TION
ENV
DETECTION
BDO
OFTR
RF- RFOUT FBAL FEOUT FE- RFIN CAGC ARF RFDET CENV CEA ENV
CSBDO
BDO
CSHRT
OFTR
Vcc
GND
VREF
LD OFF
LD
LD ON/OFF LDP PD VDET TEBPF TE- TEOUT CROSS TBAL
E
PDER
F
PDFR
B+D
A+C
SUBTRACTION
FEOUT by IA+C
FEOUT by IB+D
FEOUT by FBAL
TEOUT by IF
TEOUT by IE
FEOUT by TBAL
No. Pin Name Function No. Pin Name Function
1 PD APC Amp input 19 ENV 3TENV output
2 LD APC Amp output 20 VREF VREF output
3 LD ON/OFF APC ON/OFF control 21 LD OFF APC OFF control
4 LDP APC reference voltage setting 22 VDET VDET output
5 Vcc Power supply pin 23 TEBPF VDET input
6 RF- RF Amp inverting input 24 CROSS CROSS output
7 RFOUT RF Amp output 25 TEOUT TE. Amp output
8 RFIN AGC input 26 TE- TE. Amp inverting input
9 CAGC AGC loop filter connection pin 27 FEOUT FE. Amp output
10 ARF AGC output 28 FE- FE. Amp inverting input
11 CENV Capacitor connection pin for RF detection 29 FBAL F. BAL control
12 CEA Capacitor connection pin for HPF-Amp 30 TBAL T. BAL control
13 CSBDO
Capacitor connection pin for RF dark side envelope
31 PDFR
I-V Amp conversion resistor adjustment
14 BDO BDO output 32 PDER
15 CSHRT
Capacitor connection pin for RF light side envelope
33 E
I-V Amp input
16 OFTR OFTR output 34 F
17 RFDET RFDET output 35
B+D
18 GND Ground 36 A+C
•
Block Diagram
•
Pin Function
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