Kenwood KCH-16 Service Manual
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Kenwood KCH-16 Service Manual

Kenwood KCH-16 Service Manual

Handheld control head
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HANDHELD CONTROL HEAD
KCH-16
SERVICE MANUAL
Key top (Power/LED)
(K29-9433-03)
Knob (PTT)
(K29-9431-03)
Main cabinet
(A02-4051-01)
GENERAL ................................................................... 2
SYSTEM SET-UP ....................................................... 3
REALIGNMENT ......................................................... 4
INSTALLATION ........................................................ 14
DISASSEMBLY FOR REPAIR .................................. 18
CIRCUIT DESCRIPTION .......................................... 19
COMPONENTS DESCRIPTION ............................... 19
SEMICONDUCTOR DATA ....................................... 20
PARTS LIST ............................................................. 21
EXPLODED VIEW .................................................... 24
PACKING .................................................................. 25
Badge
(B43-1627-04)
Front glass
(B10-2788-03)
Knob (VOL)
(K29-9430-03)
Key top (20key)
(K29-9434-02)
Curl cable
(E30-7661-05)
CONTENTS
ADJUSTMENT ........................................................ 26
TERMINAL FUNCTION ........................................... 55
PC BOARD
CONTROL UNIT (X53-4360-20) .......................... 56
BLOCK DIAGRAM ................................................... 60
INTERCONNECTION DIAGRAM ............................ 61
SCHEMATIC DIAGRAM .......................................... 62
SPECIFICATIONS .................................................... 77
© 2008-6 PRINTED IN JA PAN
B51-8834-00 ( N ) 632
This KCH-16 service manual
contains the service manual
information of the KRK-11.
This product uses Lead Free solder.

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  • Page 1: Table Of Contents

    HANDHELD CONTROL HEAD KCH-16 SERVICE MANUAL © 2008-6 PRINTED IN JA PAN B51-8834-00 ( N ) 632 This KCH-16 service manual contains the service manual Key top (Power/LED) information of the KRK-11. (K29-9433-03) Badge (B43-1627-04) Front glass Knob (PTT) (K29-9431-03)

  • Page 2: General

    KCH-16. KPG-95D versions earlier than version 5.30 will not herein. Kenwood reserves the right to make changes to any work properly. products herein at any time for improvement purposes. Service Manual parts numbers for equipment relative to the KCH-16 Model Parts Number Remarks...

  • Page 3: System Set-Up

    fi cation of the KCH-16 (Head 2 side)” described on 1. Remotely control one radio with one controller. (Form: page 16 if you use the KCH-16 on the Head 2 side. Radio + KRK-11 + KCH-16 + KCT-22M/M2/M3) Merchandise received...

  • Page 4: Realignment

    KCH-16 REALIGNMENT The mode when the KCH-16 Handheld control head is connected with the TK-5710/5710H/5810/5810H transceiver via the KRK-11 Interface box and KRK-11 Panel assembly is described below. 1. Modes ● Transceiver (TK-5710/5710H/5810/5810H) ● KCH-16 KCH-16 Firmware User mode programming mode...
  • Page 5 Transceiver information mode [S] + [B] + Power ON o S / A / B / C / Orange (Programmable Function) keys KCH-16 Firmware programming Press to activate their programmable functions. [ ] + [ ] + Power ON mode The default setting is None (no function).
  • Page 6 REALIGNMENT 6. PC Mode 6-1. Preface The TK-5710/5710H/5810/5810H transceiver and the KCH-16 are programmed using a personal computer, pro- gramming interface (KPG-43/43A), USB adapter (KCT-53U), programming software (KPG-95D), Interface box (KRK-11), control cable (KCT-22) and Panel assembly (KRK-11). Figure 1 shows the setup of a PC for programming.
  • Page 7 KCT-22 control cable” on page 14 for the cover from the plug. installation details.) 3. Connect the KCH-16 cable to the Interface box. 4. Connect the Interface box to the computer using the interface cable (KPG-43/43A) and USB adapter (KCT-53U : the KCT-53U can be used with the KPG-43A interface cable.)
  • Page 8 3. Connect the KCH-16 cable to the Interface box. displayed. If you press the [Orange] key again while the 4. Connect the Interface box to the computer using the checksum is displayed, “PROG 115200”...
  • Page 9 “Head Type” must be same to clone the transceiver. keys, “CLONE MODE” is displayed if the entered pass- However, combinations of KCH-15 and KCH-16 can be word is correct. If the password is incorrect, “CLONE cloned. In addition, you may be unable to clone the trans- LOCK”...
  • Page 10 The addition of new channels and the deletion of Enter the password and then channels that have already been programmed by the FPU press the [S] and [ ] keys on the KCH-16. cannot be performed using the self-programming mode. • RX Frequency • TX Frequency Is password •...
  • Page 11 KCH-16 REALIGNMENT The setup items for self programming mode are as follows. Setup item Display Remarks Select Zone/Channel ∗∗ - ∗∗∗ Zone: 1~50, Channel: 1~250 RX Frequency Receive frequency ∗∗∗.∗∗∗∗∗MHz TX Frequency ∗∗∗.∗∗∗∗∗MHz Transmit frequency Channel Type TYPE ANALOG/P25/MIXED TX Mode...
  • Page 12 KCH-16 REALIGNMENT Keypad input mode Item RX Frequency TX Frequency RX Signaling TX Signaling Cancel the keypad input mode (Return to the normal mode) Cancel the keypad input mode (Return to the normal mode) Delete the least digit from the current number (Press and hold to delete all numbers.)
  • Page 13 4. To exit the transceiver information mode, turn the trans- • In the Dual head configuration, when rewriting the ceiver power OFF. KCH-16 fi rmware with the Head in one side, It is not ab- normal operation though the display of the Head (KCH-14, 14. KCH-16 Firmware Programming Mode KCH-15 or KCH-16) on the other side may become strange.

  • Page 14: Installation

    1. Transceiver (TK-5710/5710H/5810/5810H) The KRK-16 Handheld control head is used to remotely operate the transceiver (TK-5710/5710H/5810/5810H). KRK-11 Panel assembly ■ Using the transceiver with one KCH-16 (For use with a single head) 1-1. Installing the KRK-11 Panel assembly onto the transceiver 1.
  • Page 15 Take care that the sheet (G11-4379-04) does not peel off Interface box. when installing the upper/lower case. 1. Connect the 8-pin connector of the KCH-16 cable to the 5. Reassemble the upper case and lower case of the trans- control connector (J2) of the KRK-11 Interface box.
  • Page 16 (J2) of the the KRK-11 Interface box 1/Interface box 2. Note: When you use it as a dual head (combinations of KCH-16 and KCH-14/15 etc.), Generally connect the KCH-16 to Head 1 side. The KCH-16 is set to the Head 1 side by CONTROL UNIT factory default. (X53-4360-20) It is necessary to perform modifi...
  • Page 17 INSTALLATION 3. External Speaker (KES-5: Option) 4. Ignition Sense Cable (KCT-18: Option) The speaker output from the KCH-16 is as follows: The KCT-18 is an optional cable for use with the follow- ing functions: 1. The external speaker output from the accessory connec- tor (6-pin) on the KRK-11 Interface box is 12W/4 ohms.

  • Page 18: Disassembly For Repair

    KCH-16 DISASSEMBLY FOR REPAIR Precautions for Disassembly Precautions for Reassembly ■ Removing the case packing (G53-1805-02) ■ Installing the power switch key top (K29-9433-03) Remove the case packing from the front case slowly, so and shading board (F15-1017-04) 1. Insert the power switch key top q onto the case.

  • Page 19: Circuit Description

    KCH-16 CIRCUIT DESCRIPTION / COMPONENTS DESCRIPTION 1. Power supply CONTROL UNIT (X53-4360-20) Power is supplied to the CPU by converting SB from the Ref. No. Part name Description transceiver, via the KRK-11, to 5V by IC4. Additionally, SB is Voltage doubling inverter supplied to the LED for the backlight.

  • Page 20: Semiconductor Data

    KCH-16 SEMICONDUCTOR DATA CPU: 3062LFGPUKCTA (Control unit IC9) Pin No. Port Name I/O Function Pin No. Port Name I/O Function KEYI0 Key matrix input 0 Not used KEYO3 Key matrix output 3 LCD driver bus WR KEYO2 Key matrix output 2...

  • Page 21: Parts List

    Les articles non mentionnes dans le Parts No. ne sont pas fournis. Y : AAFES (Europe) X : Australia M : Oth er Areas Teile ohne Parts No. werden nicht geliefert. KCH-16 (Y61-3400-20) CONTROL UNIT (X53-4360-20) Desti- Desti- Ref. No.
  • Page 22 KCH-16 PARTS LIST CONTROL UNIT (X53-4360-20) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation E41-1487-05 PIN ASSY RK73HB1J000J CHIP R 1/16W E41-2539-05 PIN ASSY RK73HB1J104J CHIP R 100K...
  • Page 23 KCH-16 PARTS LIST CONTROL UNIT (X53-4360-20) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation 2SC4617(S) TRANSISTOR 12A02CH TRANSISTOR SSM3K15TE(F) UPA672T-A UMG4N TRANSISTOR Q7,8 DTC144EE DIGITAL TRANSISTOR 2SK1824-A Q10,11...

  • Page 24: Exploded View

    KCH-16 EXPLODED VIEW (C/4) (B/4) MIC1 29x2 Control unit (X53 A/4) 29x3 (D/4) MIC2 : N14-0584-14 C M2 x 5 : N80-2005-48 D M3 x 12 : N80-3012-43 Parts with the exploded numbers larger than 700 are not supplied.

  • Page 25: Packing

    KCH-16 PACKING 701 Protection bag 8 Instruction manual (B62-2101-00) 26 Hanger (J19-5482-05) 702 Item carton case Parts with the exploded numbers larger than 700 are not supplied.

  • Page 26: Adjustment

    ■ Connection procedure KCH-16 Operation Check Method Connect a PC, programming interface (KPG-43/43A), You can confi rm whether the KCH-16 operates normally USB adapter (KCT-53U), programming software (KPG-95D), by performing the following operation checks: JIG Box (X60-3890-20), DC power supply, oscilloscope and 1.
  • Page 27 KCH-16 is talked to while observing the nications port in the confi guration item. oscilloscope. 3) Set the KCH-16 service fi rmware to be rewritten by File 11) Write the user fi rmware according to the following pro- name item.
  • Page 28 KCH-16 ADJUSTMENT TX LED BUSY LED LCD Brightness Event Main LCD Sub LCD Green Green High Press DTMF 5 Key ON [5] Key Blank Release DTMF 5 Key OFF Press DTMF 6 Key ON [6] Key Blank Release DTMF 6 Key OFF...
  • Page 29 Channel No. Hold: Test frequency chan- Furthermore, in the adjustment methods (pages 39 to nel continuation up 54), key names that relate to that of the KCH-16 are listed in Push: Test signaling down shaded boxes. Hold: Test signaling con- Signaling No.
  • Page 30 KCH-16 ADJUSTMENT • Filter Mode Signaling P25/ Analog Display Condition DTMF Code “159D” DTMF Code “159D” Analog WIDE (25kHz) Filter None DTMF Code “9” Analog NARROW (12.5kHz) Filter None 1633Hz Single Tone Analog P25 (12.5kHz) Filter 2-tone: 2-tone: A: 304.7Hz A: 304.7Hz...
  • Page 31 KCH-16 ADJUSTMENT • LCD display in the panel tuning mode RX assist voltage (Upper) Tuning point Display RX (MHz) W : Wide N : Narrow 204.95000 A : P25 Low’ 209.70000 Center 214.45000 TXF 256 High’ 219.20000 High 223.95000 Adjustment...
  • Page 32 KCH-16 ADJUSTMENT RX assist voltage (Upper) RX assist voltage (Lower) Tuning Tuning Display Display point point RX (MHz) RX (MHz) 485.00000 435.00000 450.00000 400.00000 Low’’ 490.90000 440.90000 Low’’ 455.90000 405.90000 Low’ 496.70000 446.70000 Low’ 461.70000 411.70000 Center 502.50000 452.50000 Center 467.50000...
  • Page 33 KCH-16 ADJUSTMENT ■ Flow Chart (TK-5710/5710H) [S]:Not stored [S]:Not stored [Orange]:Not stored 5 reference level 3 reference level TX V assist Wide adjustments adjustments [S]:Not stored [A]:Not stored [S]:Not stored [A]:Not stored [Orange]:Stored [Orange]:Not stored 5 reference level RX V assist (Upper)
  • Page 34 KCH-16 ADJUSTMENT ■ Flow Chart (TK-5810/5810H) [S]:Not stored [S]:Not stored [Orange]:Not stored 7 reference level 3 reference level TX V assist Wide adjustments adjustments ]:Auto ADJ*1 [S]:Not stored [A]:Not stored [S]:Not stored [A]:Not stored [Orange]:Stored [Orange]:Not stored 7 reference level...
  • Page 35 KCH-16 ADJUSTMENT BER (Bit Error Rate) Measurement Adjustment Points ■ TK-5710/5710H 1. The Panel Test Mode is used to measure the BER (Refer to “Test mode operation features” described on page 29.). CN10 2. Select “20” for test signaling (Refer to “Test Signaling”...
  • Page 36 KCH-16 ADJUSTMENT ■ TK-5810/5810H ■ KCH-16 CN10 FINAL UNIT (X45-3790-XX) : TK-5810(B) Component side view CN14 CONTROL UNIT (X53-4360-20) Component side CLKC 32K OUT CONTROL UNIT (X53-4120-10) Component side CN151 CN150 CN200 L217 L222 L227 L229 TX-RX UNIT (X57-7270-XX) Component side view...
  • Page 37 KCH-16 ADJUSTMENT Test Equipment Required for Alignment Test Equipment Major Specifi cations Frequency Range 136 to 174MHz (TK-5710/5710H), 400 to 520MHz (TK-5810/5810H) Standard Signal Generator (SSG) Modulation Frequency modulation and external modulation Output –127dBm/0.1µV to greater than –47dBm/1mV Input Impedance 50Ω...
  • Page 38 Test- Unit Terminal Unit Parts Method equipment 1. Setting 1) Connect the KCH-16 Hand- held control head to the TK- 5710(B)/5710H(B)/5810(B)/ 5810H(B) transceiver via the KRK-11 Interface box and KRK-11 Panel assembly. 2) Power supply voltage •TK-5710(B)/5810(B) Power input connector: 13.6V •TK-5710H(B)/5810H(B)
  • Page 39 KCH-16 ADJUSTMENT Note: In the adjustment methods (pages 39 to 54), key names that relate to that of the KCH-16 are listed in shaded boxes. TK-5710/5710H Common Section Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit...
  • Page 40 KCH-16 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 4. MCF 1) CH-Sig: 1-1 Spectrum Rear TX-RX L225 Adjust the coils to • Wide Spectrum analyzer setting analyzer panel L227 obtain the waveform Center-f: 49.95MHz...
  • Page 41 KCH-16 ADJUSTMENT TK-5710/5710H Transmitter Section Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Frequency [Panel test mode] f.counter Rear Front [B],[C] Center frequency Note: After replacing the adjust *1 1) CH-Sig: 3-1...
  • Page 42 KCH-16 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 6. Max DEV 1) Adj item: [W FMWD] Deviation Rear Front [B],[C] 4.05kHz (According ±50Hz adjust Adjust: [ *** ] meter panel panel to the large +, −)
  • Page 43 KCH-16 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 10. DQT 1) Adj item: [W DQTW] Power Rear Front [B],[C] 0.75kHz ±50Hz deviation Adjust: [ *** ] meter panel panel adjust Deviation meter fi lter Deviation •...
  • Page 44 KCH-16 ADJUSTMENT TK-5710/5710H Receiver Section Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. RX [Panel tuning mode] Rear Front [B],[C] Enter the following Note: After replacing the EE- Front-end 1) Adj item: [W FEND]...
  • Page 45 KCH-16 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 4. RSSI 1) Adj item: [W HRSI] Rear Front [Orange] After input signal (–70dBm) Adjust: [ *** ] AF VTVM panel EXT.SP panel...
  • Page 46 KCH-16 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment • Narrow 3) Adj item: [N SQON] Rear Front [Orange] After input signal After adjusting SQL, check Adjust: [ *** ] AF VTVM panel EXT.SP...
  • Page 47 Test- Unit Terminal Unit Parts Method equipment 1. Setting 1) Connect the KCH-16 Hand- held control head to the TK-5810(B)/5810H(B) trans- ceiver via the KRK-11 Inter- face box and KRK-11 Panel assembly. 2) Power supply voltage •TK-5810(B) Power input connector: 13.6V •TK-5810H(B)
  • Page 48 KCH-16 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment • Narrow 2) Turn the [ ] key as Spectrum Rear TX-RX L217 Adjust the coils to “N” (Narrow) appears on the analyzer...
  • Page 49 KCH-16 ADJUSTMENT TK-5810/5810H Transmitter Section Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. Frequency [Panel test mode] f.counter Rear Front [B],[C] Center frequency Note: After replacing the adjust *3 1) CH-Sig: 3-1...
  • Page 50 KCH-16 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 6. Max DEV 1) Adj item: [W FMWD] Deviation Rear Front [B],[C] 4.05kHz (According ±50Hz adjust Adjust: [ *** ] meter panel panel to the large +, −)
  • Page 51 KCH-16 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 10. DQT 1) Adj item: [W DQTW] Power Rear Front [B],[C] 0.75kHz ±50Hz deviation Adjust: [ *** ] meter panel panel adjust Deviation meter fi lter Deviation •...
  • Page 52 KCH-16 ADJUSTMENT TK-5810/5810H Receiver Section Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 1. RX [Panel tuning mode] Rear Front [B],[C] Enter the following Note: After replacing the EE- Front-end 1) Adj item: [W FEND]...
  • Page 53 KCH-16 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment 4. RSSI 1) Adj item: [W HRSI] Rear Front [Orange] After input signal (–70dBm) Adjust: [ *** ] AF VTVM panel EXT.SP panel...
  • Page 54 KCH-16 ADJUSTMENT Measurement Adjustment Item Condition Specifi cations / Remarks Test- Unit Terminal Unit Parts Method equipment • Narrow 3) Adj item: [N SQON] Rear Front [Orange] After input signal After adjusting SQL, check Adjust: [ *** ] AF VTVM panel EXT.SP...

  • Page 55: Terminal Function

    KCH-16 TERMINAL FUNCTION Control unit (X53-4360-20) Pin No. Name Function Pin No. Name Function CN1 (to LCD ASSY) CN4 (to Control unit C/4 VOL control) Chip select output VOL GND GND for volume level /RES LCD reset output Volume level output for audio control...
  • Page 56 KCH-16 PC BOARD CONTROL UNIT (X53-4360-20) (A/4, B/4, C/4, D/4) Component side view (J79-0212-09) J79-0212-09 CN103 CN104 CN105 /RES J79-0212-09 B/4 Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address...
  • Page 57 KCH-16 PC BOARD CONTROL UNIT (X53-4360-20) (A/4, B/4, C/4, D/4) Component side view (J79-0212-09) J79-0212-09 MIC2 – RESET R140 J79-0212-09 A/4 Component side Layer 1 Layer 2 Layer 3 Layer 4 Foil side...
  • Page 58 KCH-16 PC BOARD CONTROL UNIT (X53-4360-20) (A/4, B/4, C/4, D/4) Foil side view (J79-0212-09) CN107 CN106 J79-0212-09 CN11 R148 R143 R147 R151 RESET R113 R152 R144 R118 R146 J79-0212-09 A/4 Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address...
  • Page 59 KCH-16 PC BOARD CONTROL UNIT (X53-4360-20) (A/4, B/4, C/4, D/4) Foil side view (J79-0212-09) J79-0212-09 R148 R147 R135 R134 R108 R107 R106 R105 CN10 R115 R111 R116 R112 CN102 CN101 R137 R138 MIC2 R145 J79-0212-09 B/4 Component side Layer 1...

  • Page 60: Block Diagram

    KCH-16 BLOCK DIAGRAM...

  • Page 61: Interconnection Diagram

    KCH-16 INTERCONNECTION DIAGRAM LCD ASSY B38-0923-05 E40-6755-05 E41-2539-05 1 ECM 2 ME E37-0674-15 MIC2 E41-1487-05 E37-1217-05 VOL GND 1 VOL 2 VDD 3 E41-2539-05 1 PTT 2 GND E37-0674-15 CONTROL UNIT X53-4360-20 A/4 E58-0475-05 Control connector to KRK-11...

  • Page 62: Schematic Diagram

    KCH-16 SCHEMATIC DIAGRAM LCD (B38-0923-05) CONTROL UNIT (X53-4360-20) (A/4) D6,7,9,10 100k LCD BACKLIGHT 100k UPA672T-A LCD RESET SW LMC7101BIM5 0.1u CONTRAST LCD BACKLIGHT SW BUS SW UMG4N BUS SW TC74LCX245FK TC7WZ245FK-F R136 VOLTAGE DOUBLING INVERTER LM2682MMX 2SK1824-A DC SW L77-1956-05...
  • Page 63 KCH-16 SCHEMATIC DIAGRAM CONTROL UNIT CONTROL UNIT (X53-4360-20) (B/4) (X53-4360-20) (C/4) • Note : The components marked with a dot ( 0.01u are parts of layer 1. R31-0672-05 0.01u CN101 CN102 CN103 CN104 CN105 E37-0674-15 E37-1217-05 CONTROL UNIT (X53-4360-20) (A/4) 0.1u...

  • Page 64: Optional Accessories Krk-11 (Handheld Control Head Interface Kit)

    KCH-16 OPTIONAL ACCESSORIES: KRK-11 (Handheld Control Head Interface Kit) External View Terminal Function Interface unit (X46-3240-20) Pin No. Name I/O Function CN1 (Remote cable connector) MIC GND MIC signal input RESET Reset signal output Remote head 1 signal output I/O Bidirection serial data...
  • Page 65 BTL output (RS1-RS2): 12W max (4Ω/3% dist) Reset signal output Allowable Freq: 300~3000Hz RESET Active Low pulled down with 470k in KCH-16. Audio output signal (Invert) VOH: 4.32~4.77V / VOL: <0.2V BTL output (RS1-RS2): 12W max (4Ω/3% dist) Switched Battery Allowable Freq: 300~3000Hz Voltage: 11.39~15.64V...
  • Page 66 KCH-16 OPTIONAL ACCESSORIES: KRK-11 (Handheld Control Head Interface Kit) Parts List KRK-11 (Y60-4140-20) INTERFACE UNIT (X46-3240-20) CONTROL UNIT (X53-4350-20) Desti- Desti- Ref. No. Ad dress Parts No. Description Ref. No. Ad dress Parts No. Description parts nation parts nation KRK-11 CONTROL UNIT (X53-4350-20) ✽...
  • Page 67 KCH-16 OPTIONAL ACCESSORIES: KRK-11 (Handheld Control Head Interface Kit) Exploded View (Interface box) Parts with the exploded numbers larger than 700 are not supplied.
  • Page 68 KCH-16 OPTIONAL ACCESSORIES: KRK-11 (Handheld Control Head Interface Kit) Exploded View (Panel assembly) Interface unit (X46) : N67-4016-43 M2.6 x 6 (Br-Tap) : N87-2606-48 M3 x 8 (Br-Tap) : N87-3008-48 Parts with the exploded numbers larger than 700 are not supplied.
  • Page 69 KCH-16 OPTIONAL ACCESSORIES: KRK-11 (Handheld Control Head Interface Kit) Packing 704 Protection bag 705 Protection bag 32 Screw set (Box) (N99-2069-05) 33 Screw set (Panel) (N99-2070-05) 29 Mounting hardware 13 Ground wire (J21-4354-04)x2 (E30-3085-05) 706 Protection bag 30 Band (J61-0307-05)
  • Page 70 KCH-16 KRK-11 PC BOARD INTERFACE UNIT (X46-3240-20) Component side view (J79-0202-09) R120 INTERFACE UNIT (X46-3240-20) Foil side view (J79-0202-09)
  • Page 71 KCH-16 KRK-11 PC BOARD INTERFACE UNIT (X46-3240-20) Component side view (J79-0202-09) Ref. No. Address Component side Layer 1 Layer 2 Foil side J79-0202-09 INTERFACE UNIT (X46-3240-20) Foil side view (J79-0202-09) Component side Layer 1 Layer 2 Foil side J79-0202-09...
  • Page 72 KCH-16 KRK-11 PC BOARD CONTROL UNIT (X53-4350-20) (A/2, B/2) Component side view (J79-0211-09) Ref. No. Address Component side Layer 1 Layer 2 Foil side J79-0211-09 A/2 RESET...
  • Page 73 KCH-16 KRK-11 PC BOARD CONTROL UNIT (X53-4350-20) (A/2, B/2) Foil side view (J79-0211-09) Ref. No. Address Ref. No. Address Component side Layer 1 Layer 2 Foil side J79-0211-09 A/2...
  • Page 74 KCH-16 KRK-11 SCHEMATIC DIAGRAM CONTROL UNIT (X53-4350-20) (A/2) CN14 CN13 CONTROL CONNECTOR 1.8k CN17 RESET DTC123YE DTA123JKA D1,2 DTC123YE SURGE ABSORPTION Q1-3 DETECTION SW CONTROL UNIT CURRENT PROTECTOR (X53-4350-20) (B/2) PROGRAMMING E37-1427-05 CONNECTOR 100p D7,9 SURGE ABSORPTION SURGE ABSORPTION D4,5...
  • Page 75 KCH-16 KRK-11 SCHEMATIC DIAGRAM INTERFACE UNIT CONTROL UNIT (X46-3240-20) (X53-4350-20) (A/2) REMOTE CABLE CONNECTOR REVERSE PROTECTION RESET RESET RESET KCT-22 REMOTE CONTROL 1SS355 CABLE (OPTION) E37-0166-25 R120 CN15 CN16 ACCESSORY CONNECTOR E37-1428-05 6 NC CN10 CN12 OPTIONAL JACK CN11 •...
  • Page 76 KCH-16 OPTIONAL ACCESSORIES: KRK-11 (Handheld Control Head Interface Kit) Interconnection Diagram to PANEL REMOTE UNIT...

  • Page 77: Specifications

    KCH-16 SPECIFICATIONS ■ KCH-16 Specifi cations Operating temperature range ....–30°C to +60°C (–22°F to +140°F) Microphone impedance ......2.2kΩ (Max) Dimensions (W x H x D) without projections ......58 x 125 x 31.5 mm (2.3 x 4.9 x 1.2 inches) with projections ........68 x 125 x 36 mm (2.7 x 4.9 x 1.4 inches)
  • Page 78 Unit 3712-3724, Level 37, Tower one Metroplaza, 223 Hing Fong Road, Bp 58416 Villepinte, 95944 Roissy Ch De Gaulle Cedex Kwai Fong, N.T., Hong Kong KENWOOD House, Dwight Road, Watford, Herts., 1 Ang Mo Kio Street 63, Singapore 569110 WD18 9EB United Kingdom...
  • Page 79 KCH-16 KCH-16 PC BOARD PC BOARD CONTROL UNIT (X53-4360-20) (A/4, B/4, C/4, D/4) CONTROL UNIT (X53-4360-20) (A/4, B/4, C/4, D/4) Component side view (J79-0212-09) Component side view (J79-0212-09) J79-0212-09 MIC2 – J79-0212-09 CN103 CN104 CN105 /RES RESET R140 J79-0212-09 A/4 J79-0212-09 B/4 Ref.
  • Page 80 KCH-16 KCH-16 PC BOARD PC BOARD CONTROL UNIT (X53-4360-20) (A/4, B/4, C/4, D/4) CONTROL UNIT (X53-4360-20) (A/4, B/4, C/4, D/4) Foil side view (J79-0212-09) Foil side view (J79-0212-09) CN107 CN106 J79-0212-09 J79-0212-09 CN11 R148 R143 R147 R135 R134 RESET R151...
  • Page 81 KCH-16 KCH-16 KRK-11 PC BOARD KRK-11 PC BOARD INTERFACE UNIT (X46-3240-20) Component side view (J79-0202-09) INTERFACE UNIT (X46-3240-20) Component side view (J79-0202-09) R120 Ref. No. Address Component side Layer 1 Layer 2 Foil side J79-0202-09 INTERFACE UNIT (X46-3240-20) Foil side view (J79-0202-09)
  • Page 82 KCH-16 KRK-11 PC BOARD CONTROL UNIT (X53-4350-20) (A/2, B/2) Component side view (J79-0211-09) Ref. No. Address Component side Layer 1 Layer 2 Foil side J79-0211-09 A/2 RESET...
  • Page 83 KCH-16 KRK-11 PC BOARD CONTROL UNIT (X53-4350-20) (A/2, B/2) Foil side view (J79-0211-09) Ref. No. Address Ref. No. Address Component side Layer 1 Layer 2 Foil side J79-0211-09 A/2...
  • Page 84 LCD (B38-0923-05) CONTROL UNIT CONTROL UNIT (X53-4360-20) (B/4) (X53-4360-20) (C/4) 0.01u R31-0672-05 0.01u CN101 CN102 CN103 CN104 CN105 E37-0674-15 E37-1217-05 CONTROL UNIT (X53-4360-20) (A/4) 100k D6,7,9,10 LCD BACKLIGHT 0.1u 100k CN12 CN13 UPA672T-A R100 R117 LCD RESET SW CN14 LMC7101BIM5 R101 CN15 0.1u...
  • Page 85 CONTROL UNIT INTERFACE UNIT (X53-4350-20) (A/2) (X46-3240-20) CN14 CN13 REMOTE CABLE CONNECTOR CONTROL CONNECTOR REVERSE PROTECTION RESET RESET RESET KCT-22 1.8k REMOTE CONTROL 1SS355 CABLE (OPTION) CN17 RESET E37-0166-25 DTC123YE DTA123JKA R120 D1,2 DTC123YE SURGE ABSORPTION Q1-3 DETECTION SW CN15 CN16 CONTROL UNIT CURRENT PROTECTOR...

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